Example usage for android.animation AnimatorSet setDuration

List of usage examples for android.animation AnimatorSet setDuration

Introduction

In this page you can find the example usage for android.animation AnimatorSet setDuration.

Prototype

@Override
public AnimatorSet setDuration(long duration) 

Source Link

Document

Sets the length of each of the current child animations of this AnimatorSet.

Usage

From source file:org.telegram.ui.ProfileActivity.java

@Override
protected AnimatorSet onCustomTransitionAnimation(final boolean isOpen, final Runnable callback) {
    if (playProfileAnimation && allowProfileAnimation) {
        final AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.setDuration(180);
        if (Build.VERSION.SDK_INT > 15) {
            listView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        }/*  w ww .j a  va  2s  .c  om*/
        ActionBarMenu menu = actionBar.createMenu();
        if (menu.getItem(10) == null) {
            if (animatingItem == null) {
                animatingItem = menu.addItem(10, R.drawable.ic_ab_other);
            }
        }
        if (isOpen) {
            FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) onlineTextView[1]
                    .getLayoutParams();
            layoutParams.rightMargin = (int) (-21 * AndroidUtilities.density + AndroidUtilities.dp(8));
            onlineTextView[1].setLayoutParams(layoutParams);

            int width = (int) Math.ceil(AndroidUtilities.displaySize.x - AndroidUtilities.dp(118 + 8)
                    + 21 * AndroidUtilities.density);
            float width2 = nameTextView[1].getPaint().measureText(nameTextView[1].getText().toString()) * 1.12f
                    + getSideDrawablesSize(nameTextView[1]);
            layoutParams = (FrameLayout.LayoutParams) nameTextView[1].getLayoutParams();
            if (width < width2) {
                layoutParams.width = (int) Math.ceil(width / 1.12f);
            } else {
                layoutParams.width = LayoutHelper.WRAP_CONTENT;
            }
            nameTextView[1].setLayoutParams(layoutParams);

            initialAnimationExtraHeight = AndroidUtilities.dp(88);
            fragmentView.setBackgroundColor(0);
            setAnimationProgress(0);
            ArrayList<Animator> animators = new ArrayList<>();
            animators.add(ObjectAnimator.ofFloat(this, "animationProgress", 0.0f, 1.0f));
            if (writeButton != null) {
                writeButton.setScaleX(0.2f);
                writeButton.setScaleY(0.2f);
                writeButton.setAlpha(0.0f);
                animators.add(ObjectAnimator.ofFloat(writeButton, "scaleX", 1.0f));
                animators.add(ObjectAnimator.ofFloat(writeButton, "scaleY", 1.0f));
                animators.add(ObjectAnimator.ofFloat(writeButton, "alpha", 1.0f));
            }
            for (int a = 0; a < 2; a++) {
                onlineTextView[a].setAlpha(a == 0 ? 1.0f : 0.0f);
                nameTextView[a].setAlpha(a == 0 ? 1.0f : 0.0f);
                animators.add(ObjectAnimator.ofFloat(onlineTextView[a], "alpha", a == 0 ? 0.0f : 1.0f));
                animators.add(ObjectAnimator.ofFloat(nameTextView[a], "alpha", a == 0 ? 0.0f : 1.0f));
            }
            if (animatingItem != null) {
                animatingItem.setAlpha(1.0f);
                animators.add(ObjectAnimator.ofFloat(animatingItem, "alpha", 0.0f));
            }
            animatorSet.playTogether(animators);
        } else {
            initialAnimationExtraHeight = extraHeight;
            ArrayList<Animator> animators = new ArrayList<>();
            animators.add(ObjectAnimator.ofFloat(this, "animationProgress", 1.0f, 0.0f));
            if (writeButton != null) {
                animators.add(ObjectAnimator.ofFloat(writeButton, "scaleX", 0.2f));
                animators.add(ObjectAnimator.ofFloat(writeButton, "scaleY", 0.2f));
                animators.add(ObjectAnimator.ofFloat(writeButton, "alpha", 0.0f));
            }
            for (int a = 0; a < 2; a++) {
                animators.add(ObjectAnimator.ofFloat(onlineTextView[a], "alpha", a == 0 ? 1.0f : 0.0f));
                animators.add(ObjectAnimator.ofFloat(nameTextView[a], "alpha", a == 0 ? 1.0f : 0.0f));
            }
            if (animatingItem != null) {
                animatingItem.setAlpha(0.0f);
                animators.add(ObjectAnimator.ofFloat(animatingItem, "alpha", 1.0f));
            }
            animatorSet.playTogether(animators);
        }
        animatorSet.addListener(new AnimatorListenerAdapterProxy() {
            @Override
            public void onAnimationEnd(Animator animation) {
                if (Build.VERSION.SDK_INT > 15) {
                    listView.setLayerType(View.LAYER_TYPE_NONE, null);
                }
                if (animatingItem != null) {
                    ActionBarMenu menu = actionBar.createMenu();
                    menu.clearItems();
                    animatingItem = null;
                }
                callback.run();
            }
        });
        animatorSet.setInterpolator(new DecelerateInterpolator());

        AndroidUtilities.runOnUIThread(new Runnable() {
            @Override
            public void run() {
                animatorSet.start();
            }
        }, 50);
        return animatorSet;
    }
    return null;
}

From source file:cc.flydev.launcher.Page.java

private Runnable createPostDeleteAnimationRunnable(final View dragView) {
    return new Runnable() {
        @Override/*from  w ww . ja  v a2s. c o m*/
        public void run() {
            int dragViewIndex = indexOfChild(dragView);

            // For each of the pages around the drag view, animate them from the previous
            // position to the new position in the layout (as a result of the drag view moving
            // in the layout)
            // NOTE: We can make an assumption here because we have side-bound pages that we
            //       will always have pages to animate in from the left
            getOverviewModePages(mTempVisiblePagesRange);
            boolean isLastWidgetPage = (mTempVisiblePagesRange[0] == mTempVisiblePagesRange[1]);
            boolean slideFromLeft = (isLastWidgetPage || dragViewIndex > mTempVisiblePagesRange[0]);

            // Setup the scroll to the correct page before we swap the views
            if (slideFromLeft) {
                snapToPageImmediately(dragViewIndex - 1);
            }

            int firstIndex = (isLastWidgetPage ? 0 : mTempVisiblePagesRange[0]);
            int lastIndex = Math.min(mTempVisiblePagesRange[1], getPageCount() - 1);
            int lowerIndex = (slideFromLeft ? firstIndex : dragViewIndex + 1);
            int upperIndex = (slideFromLeft ? dragViewIndex - 1 : lastIndex);
            ArrayList<Animator> animations = new ArrayList<Animator>();
            for (int i = lowerIndex; i <= upperIndex; ++i) {
                View v = getChildAt(i);
                // dragViewIndex < pageUnderPointIndex, so after we remove the
                // drag view all subsequent views to pageUnderPointIndex will
                // shift down.
                int oldX = 0;
                int newX = 0;
                if (slideFromLeft) {
                    if (i == 0) {
                        // Simulate the page being offscreen with the page spacing
                        oldX = getViewportOffsetX() + getChildOffset(i) - getChildWidth(i) - mPageSpacing;
                    } else {
                        oldX = getViewportOffsetX() + getChildOffset(i - 1);
                    }
                    newX = getViewportOffsetX() + getChildOffset(i);
                } else {
                    oldX = getChildOffset(i) - getChildOffset(i - 1);
                    newX = 0;
                }

                // Animate the view translation from its old position to its new
                // position
                AnimatorSet anim = (AnimatorSet) v.getTag();
                if (anim != null) {
                    anim.cancel();
                }

                // Note: Hacky, but we want to skip any optimizations to not draw completely
                // hidden views
                v.setAlpha(Math.max(v.getAlpha(), 0.01f));
                v.setTranslationX(oldX - newX);
                anim = new AnimatorSet();
                anim.playTogether(ObjectAnimator.ofFloat(v, "translationX", 0f),
                        ObjectAnimator.ofFloat(v, "alpha", 1f));
                animations.add(anim);
                v.setTag(ANIM_TAG_KEY, anim);
            }

            AnimatorSet slideAnimations = new AnimatorSet();
            slideAnimations.playTogether(animations);
            slideAnimations.setDuration(DELETE_SLIDE_IN_SIDE_PAGE_DURATION);
            slideAnimations.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mDeferringForDelete = false;
                    onEndReordering();
                    onRemoveViewAnimationCompleted();
                }
            });
            slideAnimations.start();

            removeView(dragView);
            onRemoveView(dragView, true);
        }
    };
}

From source file:com.n2hsu.launcher.Page.java

private Runnable createPostDeleteAnimationRunnable(final View dragView) {
    return new Runnable() {
        @Override/*from   www .java 2s.c om*/
        public void run() {
            int dragViewIndex = indexOfChild(dragView);

            // For each of the pages around the drag view, animate them from
            // the previous
            // position to the new position in the layout (as a result of
            // the drag view moving
            // in the layout)
            // NOTE: We can make an assumption here because we have
            // side-bound pages that we
            // will always have pages to animate in from the left
            getOverviewModePages(mTempVisiblePagesRange);
            boolean isLastWidgetPage = (mTempVisiblePagesRange[0] == mTempVisiblePagesRange[1]);
            boolean slideFromLeft = (isLastWidgetPage || dragViewIndex > mTempVisiblePagesRange[0]);

            // Setup the scroll to the correct page before we swap the views
            if (slideFromLeft) {
                snapToPageImmediately(dragViewIndex - 1);
            }

            int firstIndex = (isLastWidgetPage ? 0 : mTempVisiblePagesRange[0]);
            int lastIndex = Math.min(mTempVisiblePagesRange[1], getPageCount() - 1);
            int lowerIndex = (slideFromLeft ? firstIndex : dragViewIndex + 1);
            int upperIndex = (slideFromLeft ? dragViewIndex - 1 : lastIndex);
            ArrayList<Animator> animations = new ArrayList<Animator>();
            for (int i = lowerIndex; i <= upperIndex; ++i) {
                View v = getChildAt(i);
                // dragViewIndex < pageUnderPointIndex, so after we remove
                // the
                // drag view all subsequent views to pageUnderPointIndex
                // will
                // shift down.
                int oldX = 0;
                int newX = 0;
                if (slideFromLeft) {
                    if (i == 0) {
                        // Simulate the page being offscreen with the page
                        // spacing
                        oldX = getViewportOffsetX() + getChildOffset(i) - getChildWidth(i) - mPageSpacing;
                    } else {
                        oldX = getViewportOffsetX() + getChildOffset(i - 1);
                    }
                    newX = getViewportOffsetX() + getChildOffset(i);
                } else {
                    oldX = getChildOffset(i) - getChildOffset(i - 1);
                    newX = 0;
                }

                // Animate the view translation from its old position to its
                // new
                // position
                AnimatorSet anim = (AnimatorSet) v.getTag();
                if (anim != null) {
                    anim.cancel();
                }

                // Note: Hacky, but we want to skip any optimizations to not
                // draw completely
                // hidden views
                v.setAlpha(Math.max(v.getAlpha(), 0.01f));
                v.setTranslationX(oldX - newX);
                anim = new AnimatorSet();
                anim.playTogether(ObjectAnimator.ofFloat(v, "translationX", 0f),
                        ObjectAnimator.ofFloat(v, "alpha", 1f));
                animations.add(anim);
                v.setTag(ANIM_TAG_KEY, anim);
            }

            AnimatorSet slideAnimations = new AnimatorSet();
            slideAnimations.playTogether(animations);
            slideAnimations.setDuration(DELETE_SLIDE_IN_SIDE_PAGE_DURATION);
            slideAnimations.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mDeferringForDelete = false;
                    onEndReordering();
                    onRemoveViewAnimationCompleted();
                }
            });
            slideAnimations.start();

            removeView(dragView);
            onRemoveView(dragView, true);
        }
    };
}

From source file:org.telegram.ui.Components.ChatAttachAlert.java

public ChatAttachAlert(Context context, final ChatActivity parentFragment) {
    super(context, false);
    baseFragment = parentFragment;/*from   w  w w  . j  av  a 2 s. c  om*/
    setDelegate(this);
    setUseRevealAnimation(true);
    checkCamera(false);
    if (deviceHasGoodCamera) {
        CameraController.getInstance().initCamera();
    }
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.albumsDidLoaded);
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.reloadInlineHints);
    NotificationCenter.getInstance().addObserver(this, NotificationCenter.cameraInitied);
    shadowDrawable = context.getResources().getDrawable(R.drawable.sheet_shadow);

    containerView = listView = new RecyclerListView(context) {

        private int lastWidth;
        private int lastHeight;

        @Override
        public void requestLayout() {
            if (ignoreLayout) {
                return;
            }
            super.requestLayout();
        }

        @Override
        public boolean onInterceptTouchEvent(MotionEvent ev) {
            if (cameraAnimationInProgress) {
                return true;
            } else if (cameraOpened) {
                return processTouchEvent(ev);
            } else if (ev.getAction() == MotionEvent.ACTION_DOWN && scrollOffsetY != 0
                    && ev.getY() < scrollOffsetY) {
                dismiss();
                return true;
            }
            return super.onInterceptTouchEvent(ev);
        }

        @Override
        public boolean onTouchEvent(MotionEvent event) {
            if (cameraAnimationInProgress) {
                return true;
            } else if (cameraOpened) {
                return processTouchEvent(event);
            }
            return !isDismissed() && super.onTouchEvent(event);
        }

        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int height = MeasureSpec.getSize(heightMeasureSpec);
            if (Build.VERSION.SDK_INT >= 21) {
                height -= AndroidUtilities.statusBarHeight;
            }
            int contentSize = backgroundPaddingTop + AndroidUtilities.dp(294)
                    + (SearchQuery.inlineBots.isEmpty() ? 0
                            : ((int) Math.ceil(SearchQuery.inlineBots.size() / 4.0f) * AndroidUtilities.dp(100)
                                    + AndroidUtilities.dp(12)));
            int padding = contentSize == AndroidUtilities.dp(294) ? 0
                    : Math.max(0, (height - AndroidUtilities.dp(294)));
            if (padding != 0 && contentSize < height) {
                padding -= (height - contentSize);
            }
            if (padding == 0) {
                padding = backgroundPaddingTop;
            }
            if (getPaddingTop() != padding) {
                ignoreLayout = true;
                setPadding(backgroundPaddingLeft, padding, backgroundPaddingLeft, 0);
                ignoreLayout = false;
            }
            super.onMeasure(widthMeasureSpec,
                    MeasureSpec.makeMeasureSpec(Math.min(contentSize, height), MeasureSpec.EXACTLY));
        }

        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int width = right - left;
            int height = bottom - top;

            int newPosition = -1;
            int newTop = 0;

            int count = listView.getChildCount();
            int lastVisibleItemPosition = -1;
            int lastVisibleItemPositionTop = 0;
            if (count > 0) {
                View child = listView.getChildAt(listView.getChildCount() - 1);
                Holder holder = (Holder) listView.findContainingViewHolder(child);
                if (holder != null) {
                    lastVisibleItemPosition = holder.getAdapterPosition();
                    lastVisibleItemPositionTop = child.getTop();
                }
            }

            if (lastVisibleItemPosition >= 0 && height - lastHeight != 0) {
                newPosition = lastVisibleItemPosition;
                newTop = lastVisibleItemPositionTop + height - lastHeight - getPaddingTop();
            }

            super.onLayout(changed, left, top, right, bottom);

            if (newPosition != -1) {
                ignoreLayout = true;
                layoutManager.scrollToPositionWithOffset(newPosition, newTop);
                super.onLayout(false, left, top, right, bottom);
                ignoreLayout = false;
            }

            lastHeight = height;
            lastWidth = width;

            updateLayout();
            checkCameraViewPosition();
        }

        @Override
        public void onDraw(Canvas canvas) {
            if (useRevealAnimation && Build.VERSION.SDK_INT <= 19) {
                canvas.save();
                canvas.clipRect(backgroundPaddingLeft, scrollOffsetY,
                        getMeasuredWidth() - backgroundPaddingLeft, getMeasuredHeight());
                if (revealAnimationInProgress) {
                    canvas.drawCircle(revealX, revealY, revealRadius, ciclePaint);
                } else {
                    canvas.drawRect(backgroundPaddingLeft, scrollOffsetY,
                            getMeasuredWidth() - backgroundPaddingLeft, getMeasuredHeight(), ciclePaint);
                }
                canvas.restore();
            } else {
                shadowDrawable.setBounds(0, scrollOffsetY - backgroundPaddingTop, getMeasuredWidth(),
                        getMeasuredHeight());
                shadowDrawable.draw(canvas);
            }
        }

        @Override
        public void setTranslationY(float translationY) {
            super.setTranslationY(translationY);
            checkCameraViewPosition();
        }
    };

    listView.setWillNotDraw(false);
    listView.setClipToPadding(false);
    listView.setLayoutManager(layoutManager = new LinearLayoutManager(getContext()));
    layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
    listView.setAdapter(adapter = new ListAdapter(context));
    listView.setVerticalScrollBarEnabled(false);
    listView.setEnabled(true);
    listView.setGlowColor(0xfff5f6f7);
    listView.addItemDecoration(new RecyclerView.ItemDecoration() {
        @Override
        public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
            outRect.left = 0;
            outRect.right = 0;
            outRect.top = 0;
            outRect.bottom = 0;
        }
    });

    listView.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            if (listView.getChildCount() <= 0) {
                return;
            }
            if (hintShowed) {
                if (layoutManager.findLastVisibleItemPosition() > 1) {
                    hideHint();
                    hintShowed = false;
                    ApplicationLoader.applicationContext
                            .getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit()
                            .putBoolean("bothint", true).commit();
                }
            }
            updateLayout();
            checkCameraViewPosition();
        }
    });
    containerView.setPadding(backgroundPaddingLeft, 0, backgroundPaddingLeft, 0);

    attachView = new FrameLayout(context) {
        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            super.onMeasure(widthMeasureSpec,
                    MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(294), MeasureSpec.EXACTLY));
        }

        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            int width = right - left;
            int height = bottom - top;
            int t = AndroidUtilities.dp(8);
            attachPhotoRecyclerView.layout(0, t, width, t + attachPhotoRecyclerView.getMeasuredHeight());
            progressView.layout(0, t, width, t + progressView.getMeasuredHeight());
            lineView.layout(0, AndroidUtilities.dp(96), width,
                    AndroidUtilities.dp(96) + lineView.getMeasuredHeight());
            hintTextView.layout(width - hintTextView.getMeasuredWidth() - AndroidUtilities.dp(5),
                    height - hintTextView.getMeasuredHeight() - AndroidUtilities.dp(5),
                    width - AndroidUtilities.dp(5), height - AndroidUtilities.dp(5));

            int diff = (width - AndroidUtilities.dp(85 * 4 + 20)) / 3;
            for (int a = 0; a < 8; a++) {
                int y = AndroidUtilities.dp(105 + 95 * (a / 4));
                int x = AndroidUtilities.dp(10) + (a % 4) * (AndroidUtilities.dp(85) + diff);
                views[a].layout(x, y, x + views[a].getMeasuredWidth(), y + views[a].getMeasuredHeight());
            }
        }
    };

    views[8] = attachPhotoRecyclerView = new RecyclerListView(context);
    attachPhotoRecyclerView.setVerticalScrollBarEnabled(true);
    attachPhotoRecyclerView.setAdapter(photoAttachAdapter = new PhotoAttachAdapter(context));
    attachPhotoRecyclerView.setClipToPadding(false);
    attachPhotoRecyclerView.setPadding(AndroidUtilities.dp(8), 0, AndroidUtilities.dp(8), 0);
    attachPhotoRecyclerView.setItemAnimator(null);
    attachPhotoRecyclerView.setLayoutAnimation(null);
    attachPhotoRecyclerView.setOverScrollMode(RecyclerListView.OVER_SCROLL_NEVER);
    attachView.addView(attachPhotoRecyclerView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 80));
    attachPhotoLayoutManager = new LinearLayoutManager(context) {
        @Override
        public boolean supportsPredictiveItemAnimations() {
            return false;
        }
    };
    attachPhotoLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
    attachPhotoRecyclerView.setLayoutManager(attachPhotoLayoutManager);
    attachPhotoRecyclerView.setOnItemClickListener(new RecyclerListView.OnItemClickListener() {
        @SuppressWarnings("unchecked")
        @Override
        public void onItemClick(View view, int position) {
            if (baseFragment == null || baseFragment.getParentActivity() == null) {
                return;
            }
            if (!deviceHasGoodCamera || position != 0) {
                if (deviceHasGoodCamera) {
                    position--;
                }
                if (MediaController.allPhotosAlbumEntry == null) {
                    return;
                }
                ArrayList<Object> arrayList = (ArrayList) MediaController.allPhotosAlbumEntry.photos;
                if (position < 0 || position >= arrayList.size()) {
                    return;
                }
                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                PhotoViewer.getInstance().openPhotoForSelect(arrayList, position, 0, ChatAttachAlert.this,
                        baseFragment);
                AndroidUtilities.hideKeyboard(baseFragment.getFragmentView().findFocus());
            } else {
                openCamera();
            }
        }
    });
    attachPhotoRecyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            checkCameraViewPosition();
        }
    });

    views[9] = progressView = new EmptyTextProgressView(context);
    if (Build.VERSION.SDK_INT >= 23 && getContext().checkSelfPermission(
            Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        progressView.setText(LocaleController.getString("PermissionStorage", R.string.PermissionStorage));
        progressView.setTextSize(16);
    } else {
        progressView.setText(LocaleController.getString("NoPhotos", R.string.NoPhotos));
        progressView.setTextSize(20);
    }
    attachView.addView(progressView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 80));
    attachPhotoRecyclerView.setEmptyView(progressView);

    views[10] = lineView = new View(getContext()) {
        @Override
        public boolean hasOverlappingRendering() {
            return false;
        }
    };
    lineView.setBackgroundColor(ContextCompat.getColor(context, R.color.divider));
    attachView.addView(lineView,
            new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 1, Gravity.TOP | Gravity.LEFT));
    CharSequence[] items = new CharSequence[] { LocaleController.getString("ChatCamera", R.string.ChatCamera),
            LocaleController.getString("ChatGallery", R.string.ChatGallery),
            LocaleController.getString("ChatVideo", R.string.ChatVideo),
            LocaleController.getString("AttachMusic", R.string.AttachMusic),
            LocaleController.getString("ChatDocument", R.string.ChatDocument),
            LocaleController.getString("AttachContact", R.string.AttachContact),
            LocaleController.getString("ChatLocation", R.string.ChatLocation), "" };
    for (int a = 0; a < 8; a++) {
        AttachButton attachButton = new AttachButton(context);
        attachButton.setTextAndIcon(items[a], Theme.attachButtonDrawables[a]);
        attachView.addView(attachButton, LayoutHelper.createFrame(85, 90, Gravity.LEFT | Gravity.TOP));
        attachButton.setTag(a);
        views[a] = attachButton;
        if (a == 7) {
            sendPhotosButton = attachButton;
            sendPhotosButton.imageView.setPadding(0, AndroidUtilities.dp(4), 0, 0);
        }
        attachButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                delegate.didPressedButton((Integer) v.getTag());
            }
        });
    }

    hintTextView = new TextView(context);
    hintTextView.setBackgroundResource(R.drawable.tooltip);
    hintTextView.setTextColor(Theme.CHAT_GIF_HINT_TEXT_COLOR);
    hintTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 14);
    hintTextView.setPadding(AndroidUtilities.dp(10), 0, AndroidUtilities.dp(10), 0);
    hintTextView.setText(LocaleController.getString("AttachBotsHelp", R.string.AttachBotsHelp));
    hintTextView.setGravity(Gravity.CENTER_VERTICAL);
    hintTextView.setVisibility(View.INVISIBLE);
    hintTextView.setCompoundDrawablesWithIntrinsicBounds(R.drawable.scroll_tip, 0, 0, 0);
    hintTextView.setCompoundDrawablePadding(AndroidUtilities.dp(8));
    attachView.addView(hintTextView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, 32,
            Gravity.RIGHT | Gravity.BOTTOM, 5, 0, 5, 5));

    for (int a = 0; a < 8; a++) {
        viewsCache.add(photoAttachAdapter.createHolder());
    }

    if (loading) {
        progressView.showProgress();
    } else {
        progressView.showTextView();
    }

    if (Build.VERSION.SDK_INT >= 16) {
        recordTime = new TextView(context);
        recordTime.setBackgroundResource(R.drawable.system);
        recordTime.getBackground()
                .setColorFilter(new PorterDuffColorFilter(0x66000000, PorterDuff.Mode.MULTIPLY));
        recordTime.setText("00:00");
        recordTime.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 15);
        recordTime.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));
        recordTime.setAlpha(0.0f);
        recordTime.setTextColor(0xffffffff);
        recordTime.setPadding(AndroidUtilities.dp(10), AndroidUtilities.dp(5), AndroidUtilities.dp(10),
                AndroidUtilities.dp(5));
        container.addView(recordTime, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT,
                LayoutHelper.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL | Gravity.TOP, 0, 16, 0, 0));

        cameraPanel = new FrameLayout(context) {
            @Override
            protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
                int cx = getMeasuredWidth() / 2;
                int cy = getMeasuredHeight() / 2;
                int cx2;
                int cy2;
                shutterButton.layout(cx - shutterButton.getMeasuredWidth() / 2,
                        cy - shutterButton.getMeasuredHeight() / 2, cx + shutterButton.getMeasuredWidth() / 2,
                        cy + shutterButton.getMeasuredHeight() / 2);
                if (getMeasuredWidth() == AndroidUtilities.dp(100)) {
                    cx = cx2 = getMeasuredWidth() / 2;
                    cy2 = cy + cy / 2 + AndroidUtilities.dp(17);
                    cy = cy / 2 - AndroidUtilities.dp(17);
                } else {
                    cx2 = cx + cx / 2 + AndroidUtilities.dp(17);
                    cx = cx / 2 - AndroidUtilities.dp(17);
                    cy = cy2 = getMeasuredHeight() / 2;
                }
                switchCameraButton.layout(cx2 - switchCameraButton.getMeasuredWidth() / 2,
                        cy2 - switchCameraButton.getMeasuredHeight() / 2,
                        cx2 + switchCameraButton.getMeasuredWidth() / 2,
                        cy2 + switchCameraButton.getMeasuredHeight() / 2);
                for (int a = 0; a < 2; a++) {
                    flashModeButton[a].layout(cx - flashModeButton[a].getMeasuredWidth() / 2,
                            cy - flashModeButton[a].getMeasuredHeight() / 2,
                            cx + flashModeButton[a].getMeasuredWidth() / 2,
                            cy + flashModeButton[a].getMeasuredHeight() / 2);
                }
            }
        };
        cameraPanel.setVisibility(View.GONE);
        cameraPanel.setAlpha(0.0f);
        container.addView(cameraPanel,
                LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 100, Gravity.LEFT | Gravity.BOTTOM));

        shutterButton = new ShutterButton(context);
        cameraPanel.addView(shutterButton, LayoutHelper.createFrame(84, 84, Gravity.CENTER));
        shutterButton.setDelegate(new ShutterButton.ShutterButtonDelegate() {
            @Override
            public void shutterLongPressed() {
                if (takingPhoto || baseFragment == null || baseFragment.getParentActivity() == null) {
                    return;
                }
                if (Build.VERSION.SDK_INT >= 23) {
                    if (baseFragment.getParentActivity().checkSelfPermission(
                            Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
                        baseFragment.getParentActivity()
                                .requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO }, 21);
                        return;
                    }
                }
                for (int a = 0; a < 2; a++) {
                    flashModeButton[a].setAlpha(0.0f);
                }
                switchCameraButton.setAlpha(0.0f);
                cameraFile = AndroidUtilities.generateVideoPath();
                recordTime.setAlpha(1.0f);
                recordTime.setText("00:00");
                videoRecordTime = 0;
                videoRecordRunnable = new Runnable() {
                    @Override
                    public void run() {
                        if (videoRecordRunnable == null) {
                            return;
                        }
                        videoRecordTime++;
                        recordTime.setText(
                                String.format("%02d:%02d", videoRecordTime / 60, videoRecordTime % 60));
                        AndroidUtilities.runOnUIThread(videoRecordRunnable, 1000);
                    }
                };
                AndroidUtilities.lockOrientation(parentFragment.getParentActivity());
                CameraController.getInstance().recordVideo(cameraView.getCameraSession(), cameraFile,
                        new CameraController.VideoTakeCallback() {
                            @Override
                            public void onFinishVideoRecording(final Bitmap thumb) {
                                if (cameraFile == null || baseFragment == null) {
                                    return;
                                }
                                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                                cameraPhoto = new ArrayList<>();
                                cameraPhoto.add(new MediaController.PhotoEntry(0, 0, 0,
                                        cameraFile.getAbsolutePath(), 0, true));
                                PhotoViewer.getInstance().openPhotoForSelect(cameraPhoto, 0, 2,
                                        new PhotoViewer.EmptyPhotoViewerProvider() {
                                            @Override
                                            public Bitmap getThumbForPhoto(MessageObject messageObject,
                                                    TLRPC.FileLocation fileLocation, int index) {
                                                return thumb;
                                            }

                                            @TargetApi(16)
                                            @Override
                                            public boolean cancelButtonPressed() {
                                                if (cameraOpened && cameraView != null && cameraFile != null) {
                                                    cameraFile.delete();
                                                    AndroidUtilities.runOnUIThread(new Runnable() {
                                                        @Override
                                                        public void run() {
                                                            if (cameraView != null && !isDismissed()
                                                                    && Build.VERSION.SDK_INT >= 21) {
                                                                cameraView.setSystemUiVisibility(
                                                                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                                                                                | View.SYSTEM_UI_FLAG_FULLSCREEN);
                                                            }
                                                        }
                                                    }, 1000);
                                                    CameraController.getInstance()
                                                            .startPreview(cameraView.getCameraSession());
                                                    cameraFile = null;
                                                }
                                                return true;
                                            }

                                            @Override
                                            public void sendButtonPressed(int index) {
                                                if (cameraFile == null) {
                                                    return;
                                                }
                                                AndroidUtilities
                                                        .addMediaToGallery(cameraFile.getAbsolutePath());
                                                baseFragment.sendMedia(
                                                        (MediaController.PhotoEntry) cameraPhoto.get(0),
                                                        PhotoViewer.getInstance().isMuteVideo());
                                                closeCamera(false);
                                                dismiss();
                                                cameraFile = null;
                                            }
                                        }, baseFragment);
                            }
                        });
                AndroidUtilities.runOnUIThread(videoRecordRunnable, 1000);
                shutterButton.setState(ShutterButton.State.RECORDING, true);
            }

            @Override
            public void shutterCancel() {
                cameraFile.delete();
                resetRecordState();
                CameraController.getInstance().stopVideoRecording(cameraView.getCameraSession(), true);
            }

            @Override
            public void shutterReleased() {
                if (takingPhoto) {
                    return;
                }
                if (shutterButton.getState() == ShutterButton.State.RECORDING) {
                    resetRecordState();
                    CameraController.getInstance().stopVideoRecording(cameraView.getCameraSession(), false);
                    shutterButton.setState(ShutterButton.State.DEFAULT, true);
                    return;
                }
                cameraFile = AndroidUtilities.generatePicturePath();
                takingPhoto = CameraController.getInstance().takePicture(cameraFile,
                        cameraView.getCameraSession(), new Runnable() {
                            @Override
                            public void run() {
                                takingPhoto = false;
                                if (cameraFile == null || baseFragment == null) {
                                    return;
                                }
                                PhotoViewer.getInstance().setParentActivity(baseFragment.getParentActivity());
                                cameraPhoto = new ArrayList<>();
                                int orientation = 0;
                                try {
                                    ExifInterface ei = new ExifInterface(cameraFile.getAbsolutePath());
                                    int exif = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                                            ExifInterface.ORIENTATION_NORMAL);
                                    switch (exif) {
                                    case ExifInterface.ORIENTATION_ROTATE_90:
                                        orientation = 90;
                                        break;
                                    case ExifInterface.ORIENTATION_ROTATE_180:
                                        orientation = 180;
                                        break;
                                    case ExifInterface.ORIENTATION_ROTATE_270:
                                        orientation = 270;
                                        break;
                                    }
                                } catch (Exception e) {
                                    FileLog.e("tmessages", e);
                                }
                                cameraPhoto.add(new MediaController.PhotoEntry(0, 0, 0,
                                        cameraFile.getAbsolutePath(), orientation, false));
                                PhotoViewer.getInstance().openPhotoForSelect(cameraPhoto, 0, 2,
                                        new PhotoViewer.EmptyPhotoViewerProvider() {
                                            @TargetApi(16)
                                            @Override
                                            public boolean cancelButtonPressed() {
                                                if (cameraOpened && cameraView != null && cameraFile != null) {
                                                    cameraFile.delete();
                                                    AndroidUtilities.runOnUIThread(new Runnable() {
                                                        @Override
                                                        public void run() {
                                                            if (cameraView != null && !isDismissed()
                                                                    && Build.VERSION.SDK_INT >= 21) {
                                                                cameraView.setSystemUiVisibility(
                                                                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                                                                                | View.SYSTEM_UI_FLAG_FULLSCREEN);
                                                            }
                                                        }
                                                    }, 1000);
                                                    CameraController.getInstance()
                                                            .startPreview(cameraView.getCameraSession());
                                                    cameraFile = null;
                                                }
                                                return true;
                                            }

                                            @Override
                                            public void sendButtonPressed(int index) {
                                                if (cameraFile == null) {
                                                    return;
                                                }
                                                AndroidUtilities
                                                        .addMediaToGallery(cameraFile.getAbsolutePath());
                                                baseFragment.sendMedia(
                                                        (MediaController.PhotoEntry) cameraPhoto.get(0), false);
                                                closeCamera(false);
                                                dismiss();
                                                cameraFile = null;
                                            }

                                            @Override
                                            public boolean scaleToFill() {
                                                return true;
                                            }
                                        }, baseFragment);
                            }
                        });
            }
        });

        switchCameraButton = new ImageView(context);
        switchCameraButton.setScaleType(ImageView.ScaleType.CENTER);
        cameraPanel.addView(switchCameraButton,
                LayoutHelper.createFrame(48, 48, Gravity.RIGHT | Gravity.CENTER_VERTICAL));
        switchCameraButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (takingPhoto || cameraView == null || !cameraView.isInitied()) {
                    return;
                }
                cameraInitied = false;
                cameraView.switchCamera();
                ObjectAnimator animator = ObjectAnimator.ofFloat(switchCameraButton, "scaleX", 0.0f)
                        .setDuration(100);
                animator.addListener(new AnimatorListenerAdapterProxy() {
                    @Override
                    public void onAnimationEnd(Animator animator) {
                        switchCameraButton.setImageResource(cameraView.isFrontface() ? R.drawable.camera_revert1
                                : R.drawable.camera_revert2);
                        ObjectAnimator.ofFloat(switchCameraButton, "scaleX", 1.0f).setDuration(100).start();
                    }
                });
                animator.start();
            }
        });

        for (int a = 0; a < 2; a++) {
            flashModeButton[a] = new ImageView(context);
            flashModeButton[a].setScaleType(ImageView.ScaleType.CENTER);
            flashModeButton[a].setVisibility(View.INVISIBLE);
            cameraPanel.addView(flashModeButton[a],
                    LayoutHelper.createFrame(48, 48, Gravity.LEFT | Gravity.TOP));
            flashModeButton[a].setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(final View currentImage) {
                    if (flashAnimationInProgress || cameraView == null || !cameraView.isInitied()
                            || !cameraOpened) {
                        return;
                    }
                    String current = cameraView.getCameraSession().getCurrentFlashMode();
                    String next = cameraView.getCameraSession().getNextFlashMode();
                    if (current.equals(next)) {
                        return;
                    }
                    cameraView.getCameraSession().setCurrentFlashMode(next);
                    flashAnimationInProgress = true;
                    ImageView nextImage = flashModeButton[0] == currentImage ? flashModeButton[1]
                            : flashModeButton[0];
                    nextImage.setVisibility(View.VISIBLE);
                    setCameraFlashModeIcon(nextImage, next);
                    AnimatorSet animatorSet = new AnimatorSet();
                    animatorSet.playTogether(
                            ObjectAnimator.ofFloat(currentImage, "translationY", 0, AndroidUtilities.dp(48)),
                            ObjectAnimator.ofFloat(nextImage, "translationY", -AndroidUtilities.dp(48), 0),
                            ObjectAnimator.ofFloat(currentImage, "alpha", 1.0f, 0.0f),
                            ObjectAnimator.ofFloat(nextImage, "alpha", 0.0f, 1.0f));
                    animatorSet.setDuration(200);
                    animatorSet.addListener(new AnimatorListenerAdapterProxy() {
                        @Override
                        public void onAnimationEnd(Animator animator) {
                            flashAnimationInProgress = false;
                            currentImage.setVisibility(View.INVISIBLE);
                        }
                    });
                    animatorSet.start();
                }
            });
        }
    }
}

From source file:cc.flydev.launcher.Page.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (DISABLE_TOUCH_INTERACTION) {
        return false;
    }/*from   w ww  .  j  a  v  a 2 s .c  om*/

    super.onTouchEvent(ev);

    // Skip touch handling if there are no pages to swipe
    if (getChildCount() <= 0)
        return super.onTouchEvent(ev);

    acquireVelocityTrackerAndAddMovement(ev);

    final int action = ev.getAction();

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        /*
         * If being flinged and user touches, stop the fling. isFinished
         * will be false if being flinged.
         */
        if (!mScroller.isFinished()) {
            mScroller.abortAnimation();
        }

        // Remember where the motion event started
        mDownMotionX = mLastMotionX = ev.getX();
        mDownMotionY = mLastMotionY = ev.getY();
        mDownScrollX = getScrollX();
        float[] p = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
        mParentDownMotionX = p[0];
        mParentDownMotionY = p[1];
        mLastMotionXRemainder = 0;
        mTotalMotionX = 0;
        mActivePointerId = ev.getPointerId(0);

        if (mTouchState == TOUCH_STATE_SCROLLING) {
            pageBeginMoving();
        }
        break;

    case MotionEvent.ACTION_MOVE:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            // Scroll to follow the motion event
            final int pointerIndex = ev.findPointerIndex(mActivePointerId);

            if (pointerIndex == -1)
                return true;

            final float x = ev.getX(pointerIndex);
            final float deltaX = mLastMotionX + mLastMotionXRemainder - x;

            mTotalMotionX += Math.abs(deltaX);

            // Only scroll and update mLastMotionX if we have moved some discrete amount.  We
            // keep the remainder because we are actually testing if we've moved from the last
            // scrolled position (which is discrete).
            if (Math.abs(deltaX) >= 1.0f) {
                mTouchX += deltaX;
                mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
                if (!mDeferScrollUpdate) {
                    scrollBy((int) deltaX, 0);
                    if (DEBUG)
                        Log.d(TAG, "onTouchEvent().Scrolling: " + deltaX);
                } else {
                    invalidate();
                }
                mLastMotionX = x;
                mLastMotionXRemainder = deltaX - (int) deltaX;
            } else {
                awakenScrollBars();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();

            // Find the closest page to the touch point
            final int dragViewIndex = indexOfChild(mDragView);

            // Change the drag view if we are hovering over the drop target
            boolean isHoveringOverDelete = isHoveringOverDeleteDropTarget((int) mParentDownMotionX,
                    (int) mParentDownMotionY);
            setPageHoveringOverDeleteDropTarget(dragViewIndex, isHoveringOverDelete);

            if (DEBUG)
                Log.d(TAG, "mLastMotionX: " + mLastMotionX);
            if (DEBUG)
                Log.d(TAG, "mLastMotionY: " + mLastMotionY);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionX: " + mParentDownMotionX);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionY: " + mParentDownMotionY);

            final int pageUnderPointIndex = getNearestHoverOverPageIndex();
            if (pageUnderPointIndex > -1 && pageUnderPointIndex != indexOfChild(mDragView)
                    && !isHoveringOverDelete) {
                mTempVisiblePagesRange[0] = 0;
                mTempVisiblePagesRange[1] = getPageCount() - 1;
                getOverviewModePages(mTempVisiblePagesRange);
                if (mTempVisiblePagesRange[0] <= pageUnderPointIndex
                        && pageUnderPointIndex <= mTempVisiblePagesRange[1]
                        && pageUnderPointIndex != mSidePageHoverIndex && mScroller.isFinished()) {
                    mSidePageHoverIndex = pageUnderPointIndex;
                    mSidePageHoverRunnable = new Runnable() {
                        @Override
                        public void run() {
                            // Setup the scroll to the correct page before we swap the views
                            snapToPage(pageUnderPointIndex);

                            // For each of the pages between the paged view and the drag view,
                            // animate them from the previous position to the new position in
                            // the layout (as a result of the drag view moving in the layout)
                            int shiftDelta = (dragViewIndex < pageUnderPointIndex) ? -1 : 1;
                            int lowerIndex = (dragViewIndex < pageUnderPointIndex) ? dragViewIndex + 1
                                    : pageUnderPointIndex;
                            int upperIndex = (dragViewIndex > pageUnderPointIndex) ? dragViewIndex - 1
                                    : pageUnderPointIndex;
                            for (int i = lowerIndex; i <= upperIndex; ++i) {
                                View v = getChildAt(i);
                                // dragViewIndex < pageUnderPointIndex, so after we remove the
                                // drag view all subsequent views to pageUnderPointIndex will
                                // shift down.
                                int oldX = getViewportOffsetX() + getChildOffset(i);
                                int newX = getViewportOffsetX() + getChildOffset(i + shiftDelta);

                                // Animate the view translation from its old position to its new
                                // position
                                AnimatorSet anim = (AnimatorSet) v.getTag(ANIM_TAG_KEY);
                                if (anim != null) {
                                    anim.cancel();
                                }

                                v.setTranslationX(oldX - newX);
                                anim = new AnimatorSet();
                                anim.setDuration(REORDERING_REORDER_REPOSITION_DURATION);
                                anim.playTogether(ObjectAnimator.ofFloat(v, "translationX", 0f));
                                anim.start();
                                v.setTag(anim);
                            }

                            removeView(mDragView);
                            onRemoveView(mDragView, false);
                            addView(mDragView, pageUnderPointIndex);
                            onAddView(mDragView, pageUnderPointIndex);
                            mSidePageHoverIndex = -1;
                            mPageIndicator.setActiveMarker(getNextPage());
                        }
                    };
                    postDelayed(mSidePageHoverRunnable, REORDERING_SIDE_PAGE_HOVER_TIMEOUT);
                }
            } else {
                removeCallbacks(mSidePageHoverRunnable);
                mSidePageHoverIndex = -1;
            }
        } else {
            determineScrollingStart(ev);
        }
        break;

    case MotionEvent.ACTION_UP:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            final int activePointerId = mActivePointerId;
            final int pointerIndex = ev.findPointerIndex(activePointerId);
            final float x = ev.getX(pointerIndex);
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
            final int deltaX = (int) (x - mDownMotionX);
            final int pageWidth = getPageAt(mCurrentPage).getMeasuredWidth();
            boolean isSignificantMove = Math.abs(deltaX) > pageWidth * SIGNIFICANT_MOVE_THRESHOLD;

            mTotalMotionX += Math.abs(mLastMotionX + mLastMotionXRemainder - x);

            boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING
                    && Math.abs(velocityX) > mFlingThresholdVelocity;

            if (!mFreeScroll) {
                // In the case that the page is moved far to one direction and then is flung
                // in the opposite direction, we use a threshold to determine whether we should
                // just return to the starting page, or if we should skip one further.
                boolean returnToOriginalPage = false;
                if (Math.abs(deltaX) > pageWidth * RETURN_TO_ORIGINAL_PAGE_THRESHOLD
                        && Math.signum(velocityX) != Math.signum(deltaX) && isFling) {
                    returnToOriginalPage = true;
                }

                int finalPage;
                // We give flings precedence over large moves, which is why we short-circuit our
                // test for a large move if a fling has been registered. That is, a large
                // move to the left and fling to the right will register as a fling to the right.
                final boolean isRtl = isLayoutRtl();
                boolean isDeltaXLeft = isRtl ? deltaX > 0 : deltaX < 0;
                boolean isVelocityXLeft = isRtl ? velocityX > 0 : velocityX < 0;
                if (((isSignificantMove && !isDeltaXLeft && !isFling) || (isFling && !isVelocityXLeft))
                        && mCurrentPage > 0) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage - 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else if (((isSignificantMove && isDeltaXLeft && !isFling) || (isFling && isVelocityXLeft))
                        && mCurrentPage < getChildCount() - 1) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage + 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else {
                    snapToDestination();
                }
            } else if (mTouchState == TOUCH_STATE_PREV_PAGE) {
                // at this point we have not moved beyond the touch slop
                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
                // we can just page
                int nextPage = Math.max(0, mCurrentPage - 1);
                if (nextPage != mCurrentPage) {
                    snapToPage(nextPage);
                } else {
                    snapToDestination();
                }
            } else {
                if (!mScroller.isFinished()) {
                    mScroller.abortAnimation();
                }

                float scaleX = getScaleX();
                int vX = (int) (-velocityX * scaleX);
                int initialScrollX = (int) (getScrollX() * scaleX);

                mScroller.fling(initialScrollX, getScrollY(), vX, 0, Integer.MIN_VALUE, Integer.MAX_VALUE, 0,
                        0);
                invalidate();
            }
        } else if (mTouchState == TOUCH_STATE_NEXT_PAGE) {
            // at this point we have not moved beyond the touch slop
            // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
            // we can just page
            int nextPage = Math.min(getChildCount() - 1, mCurrentPage + 1);
            if (nextPage != mCurrentPage) {
                snapToPage(nextPage);
            } else {
                snapToDestination();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();
            boolean handledFling = false;
            if (!DISABLE_FLING_TO_DELETE) {
                // Check the velocity and see if we are flinging-to-delete
                PointF flingToDeleteVector = isFlingingToDelete();
                if (flingToDeleteVector != null) {
                    onFlingToDelete(flingToDeleteVector);
                    handledFling = true;
                }
            }
            if (!handledFling
                    && isHoveringOverDeleteDropTarget((int) mParentDownMotionX, (int) mParentDownMotionY)) {
                onDropToDelete();
            }
        } else {
            if (!mCancelTap) {
                onUnhandledTap(ev);
            }
        }

        // Remove the callback to wait for the side page hover timeout
        removeCallbacks(mSidePageHoverRunnable);
        // End any intermediate reordering states
        resetTouchState();
        break;

    case MotionEvent.ACTION_CANCEL:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            snapToDestination();
        }
        resetTouchState();
        break;

    case MotionEvent.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        releaseVelocityTracker();
        break;
    }

    return true;
}

From source file:com.n2hsu.launcher.Page.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (DISABLE_TOUCH_INTERACTION) {
        return false;
    }/*from   w  w  w . j av a  2s  .c om*/

    super.onTouchEvent(ev);

    // Skip touch handling if there are no pages to swipe
    if (getChildCount() <= 0)
        return super.onTouchEvent(ev);

    acquireVelocityTrackerAndAddMovement(ev);

    final int action = ev.getAction();

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        /*
         * If being flinged and user touches, stop the fling. isFinished
         * will be false if being flinged.
         */
        if (!mScroller.isFinished()) {
            mScroller.abortAnimation();
        }

        // Remember where the motion event started
        mDownMotionX = mLastMotionX = ev.getX();
        mDownMotionY = mLastMotionY = ev.getY();
        mDownScrollX = getScrollX();
        float[] p = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
        mParentDownMotionX = p[0];
        mParentDownMotionY = p[1];
        mLastMotionXRemainder = 0;
        mTotalMotionX = 0;
        mActivePointerId = ev.getPointerId(0);

        if (mTouchState == TOUCH_STATE_SCROLLING) {
            pageBeginMoving();
        }
        break;

    case MotionEvent.ACTION_MOVE:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            // Scroll to follow the motion event
            final int pointerIndex = ev.findPointerIndex(mActivePointerId);

            if (pointerIndex == -1)
                return true;

            final float x = ev.getX(pointerIndex);
            final float deltaX = mLastMotionX + mLastMotionXRemainder - x;

            mTotalMotionX += Math.abs(deltaX);

            // Only scroll and update mLastMotionX if we have moved some
            // discrete amount. We
            // keep the remainder because we are actually testing if we've
            // moved from the last
            // scrolled position (which is discrete).
            if (Math.abs(deltaX) >= 1.0f) {
                mTouchX += deltaX;
                mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
                if (!mDeferScrollUpdate) {
                    scrollBy((int) deltaX, 0);
                    if (DEBUG)
                        Log.d(TAG, "onTouchEvent().Scrolling: " + deltaX);
                } else {
                    invalidate();
                }
                mLastMotionX = x;
                mLastMotionXRemainder = deltaX - (int) deltaX;
            } else {
                awakenScrollBars();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this
            // new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();

            // Find the closest page to the touch point
            final int dragViewIndex = indexOfChild(mDragView);

            // Change the drag view if we are hovering over the drop target
            boolean isHoveringOverDelete = isHoveringOverDeleteDropTarget((int) mParentDownMotionX,
                    (int) mParentDownMotionY);
            setPageHoveringOverDeleteDropTarget(dragViewIndex, isHoveringOverDelete);

            if (DEBUG)
                Log.d(TAG, "mLastMotionX: " + mLastMotionX);
            if (DEBUG)
                Log.d(TAG, "mLastMotionY: " + mLastMotionY);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionX: " + mParentDownMotionX);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionY: " + mParentDownMotionY);

            final int pageUnderPointIndex = getNearestHoverOverPageIndex();
            if (pageUnderPointIndex > -1 && pageUnderPointIndex != indexOfChild(mDragView)
                    && !isHoveringOverDelete) {
                mTempVisiblePagesRange[0] = 0;
                mTempVisiblePagesRange[1] = getPageCount() - 1;
                getOverviewModePages(mTempVisiblePagesRange);
                if (mTempVisiblePagesRange[0] <= pageUnderPointIndex
                        && pageUnderPointIndex <= mTempVisiblePagesRange[1]
                        && pageUnderPointIndex != mSidePageHoverIndex && mScroller.isFinished()) {
                    mSidePageHoverIndex = pageUnderPointIndex;
                    mSidePageHoverRunnable = new Runnable() {
                        @Override
                        public void run() {
                            // Setup the scroll to the correct page before
                            // we swap the views
                            snapToPage(pageUnderPointIndex);

                            // For each of the pages between the paged view
                            // and the drag view,
                            // animate them from the previous position to
                            // the new position in
                            // the layout (as a result of the drag view
                            // moving in the layout)
                            int shiftDelta = (dragViewIndex < pageUnderPointIndex) ? -1 : 1;
                            int lowerIndex = (dragViewIndex < pageUnderPointIndex) ? dragViewIndex + 1
                                    : pageUnderPointIndex;
                            int upperIndex = (dragViewIndex > pageUnderPointIndex) ? dragViewIndex - 1
                                    : pageUnderPointIndex;
                            for (int i = lowerIndex; i <= upperIndex; ++i) {
                                View v = getChildAt(i);
                                // dragViewIndex < pageUnderPointIndex, so
                                // after we remove the
                                // drag view all subsequent views to
                                // pageUnderPointIndex will
                                // shift down.
                                int oldX = getViewportOffsetX() + getChildOffset(i);
                                int newX = getViewportOffsetX() + getChildOffset(i + shiftDelta);

                                // Animate the view translation from its old
                                // position to its new
                                // position
                                AnimatorSet anim = (AnimatorSet) v.getTag(ANIM_TAG_KEY);
                                if (anim != null) {
                                    anim.cancel();
                                }

                                v.setTranslationX(oldX - newX);
                                anim = new AnimatorSet();
                                anim.setDuration(REORDERING_REORDER_REPOSITION_DURATION);
                                anim.playTogether(ObjectAnimator.ofFloat(v, "translationX", 0f));
                                anim.start();
                                v.setTag(anim);
                            }

                            removeView(mDragView);
                            onRemoveView(mDragView, false);
                            addView(mDragView, pageUnderPointIndex);
                            onAddView(mDragView, pageUnderPointIndex);
                            mSidePageHoverIndex = -1;
                            mPageIndicator.setActiveMarker(getNextPage());
                        }
                    };
                    postDelayed(mSidePageHoverRunnable, REORDERING_SIDE_PAGE_HOVER_TIMEOUT);
                }
            } else {
                removeCallbacks(mSidePageHoverRunnable);
                mSidePageHoverIndex = -1;
            }
        } else {
            determineScrollingStart(ev);
        }
        break;

    case MotionEvent.ACTION_UP:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            final int activePointerId = mActivePointerId;
            final int pointerIndex = ev.findPointerIndex(activePointerId);
            final float x = ev.getX(pointerIndex);
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
            final int deltaX = (int) (x - mDownMotionX);
            final int pageWidth = getPageAt(mCurrentPage).getMeasuredWidth();
            boolean isSignificantMove = Math.abs(deltaX) > pageWidth * SIGNIFICANT_MOVE_THRESHOLD;

            mTotalMotionX += Math.abs(mLastMotionX + mLastMotionXRemainder - x);

            boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING
                    && Math.abs(velocityX) > mFlingThresholdVelocity;

            if (!mFreeScroll) {
                // In the case that the page is moved far to one direction
                // and then is flung
                // in the opposite direction, we use a threshold to
                // determine whether we should
                // just return to the starting page, or if we should skip
                // one further.
                boolean returnToOriginalPage = false;
                if (Math.abs(deltaX) > pageWidth * RETURN_TO_ORIGINAL_PAGE_THRESHOLD
                        && Math.signum(velocityX) != Math.signum(deltaX) && isFling) {
                    returnToOriginalPage = true;
                }

                int finalPage;
                // We give flings precedence over large moves, which is why
                // we short-circuit our
                // test for a large move if a fling has been registered.
                // That is, a large
                // move to the left and fling to the right will register as
                // a fling to the right.
                final boolean isRtl = isLayoutRtl();
                boolean isDeltaXLeft = isRtl ? deltaX > 0 : deltaX < 0;
                boolean isVelocityXLeft = isRtl ? velocityX > 0 : velocityX < 0;
                if (((isSignificantMove && !isDeltaXLeft && !isFling) || (isFling && !isVelocityXLeft))
                        && mCurrentPage > 0) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage - 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else if (((isSignificantMove && isDeltaXLeft && !isFling) || (isFling && isVelocityXLeft))
                        && mCurrentPage < getChildCount() - 1) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage + 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else {
                    snapToDestination();
                }
            } else if (mTouchState == TOUCH_STATE_PREV_PAGE) {
                // at this point we have not moved beyond the touch slop
                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING),
                // so
                // we can just page
                int nextPage = Math.max(0, mCurrentPage - 1);
                if (nextPage != mCurrentPage) {
                    snapToPage(nextPage);
                } else {
                    snapToDestination();
                }
            } else {
                if (!mScroller.isFinished()) {
                    mScroller.abortAnimation();
                }

                float scaleX = getScaleX();
                int vX = (int) (-velocityX * scaleX);
                int initialScrollX = (int) (getScrollX() * scaleX);

                mScroller.fling(initialScrollX, getScrollY(), vX, 0, Integer.MIN_VALUE, Integer.MAX_VALUE, 0,
                        0);
                invalidate();
            }
        } else if (mTouchState == TOUCH_STATE_NEXT_PAGE) {
            // at this point we have not moved beyond the touch slop
            // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
            // we can just page
            int nextPage = Math.min(getChildCount() - 1, mCurrentPage + 1);
            if (nextPage != mCurrentPage) {
                snapToPage(nextPage);
            } else {
                snapToDestination();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this
            // new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();
            boolean handledFling = false;
            if (!DISABLE_FLING_TO_DELETE) {
                // Check the velocity and see if we are flinging-to-delete
                PointF flingToDeleteVector = isFlingingToDelete();
                if (flingToDeleteVector != null) {
                    onFlingToDelete(flingToDeleteVector);
                    handledFling = true;
                }
            }
            if (!handledFling
                    && isHoveringOverDeleteDropTarget((int) mParentDownMotionX, (int) mParentDownMotionY)) {
                onDropToDelete();
            }
        } else {
            if (!mCancelTap) {
                onUnhandledTap(ev);
            }
        }

        // Remove the callback to wait for the side page hover timeout
        removeCallbacks(mSidePageHoverRunnable);
        // End any intermediate reordering states
        resetTouchState();
        break;

    case MotionEvent.ACTION_CANCEL:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            snapToDestination();
        }
        resetTouchState();
        break;

    case MotionEvent.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        releaseVelocityTracker();
        break;
    }

    return true;
}

From source file:com.wb.launcher3.Page.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    if (DISABLE_TOUCH_INTERACTION) {
        return false;
    }/*  w  w  w  . j  a v  a  2 s.  com*/

    super.onTouchEvent(ev);

    // Skip touch handling if there are no pages to swipe
    if (getChildCount() <= 0)
        return super.onTouchEvent(ev);

    acquireVelocityTrackerAndAddMovement(ev);

    final int action = ev.getAction();

    switch (action & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        /*
         * If being flinged and user touches, stop the fling. isFinished
         * will be false if being flinged.
         */
        if (!mScroller.isFinished()) {
            mScroller.abortAnimation();
        }

        // Remember where the motion event started
        mDownMotionX = mLastMotionX = ev.getX();
        mDownMotionY = mLastMotionY = ev.getY();
        mDownScrollX = getScrollX();
        float[] p = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
        mParentDownMotionX = p[0];
        mParentDownMotionY = p[1];
        mLastMotionXRemainder = 0;
        mTotalMotionX = 0;
        mActivePointerId = ev.getPointerId(0);

        if (mTouchState == TOUCH_STATE_SCROLLING) {
            pageBeginMoving();
        }
        break;

    case MotionEvent.ACTION_MOVE:
        //*/zhangwuba add 2014-5-8
        if (getLauncherDeleteAppSate()) {
            return true;
        }
        //*/
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            // Scroll to follow the motion event
            final int pointerIndex = ev.findPointerIndex(mActivePointerId);

            if (pointerIndex == -1)
                return true;

            final float x = ev.getX(pointerIndex);
            final float deltaX = mLastMotionX + mLastMotionXRemainder - x;

            mTotalMotionX += Math.abs(deltaX);

            // Only scroll and update mLastMotionX if we have moved some discrete amount.  We
            // keep the remainder because we are actually testing if we've moved from the last
            // scrolled position (which is discrete).
            if (Math.abs(deltaX) >= 1.0f) {
                mTouchX += deltaX;
                mSmoothingTime = System.nanoTime() / NANOTIME_DIV;
                if (!mDeferScrollUpdate) {
                    scrollBy((int) deltaX, 0);
                    if (DEBUG)
                        Log.d(TAG, "onTouchEvent().Scrolling: " + deltaX);
                } else {
                    invalidate();
                }
                mLastMotionX = x;
                mLastMotionXRemainder = deltaX - (int) deltaX;
            } else {
                awakenScrollBars();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();

            // Find the closest page to the touch point
            final int dragViewIndex = indexOfChild(mDragView);

            // Change the drag view if we are hovering over the drop target
            boolean isHoveringOverDelete = isHoveringOverDeleteDropTarget((int) mParentDownMotionX,
                    (int) mParentDownMotionY);
            setPageHoveringOverDeleteDropTarget(dragViewIndex, isHoveringOverDelete);

            if (DEBUG)
                Log.d(TAG, "mLastMotionX: " + mLastMotionX);
            if (DEBUG)
                Log.d(TAG, "mLastMotionY: " + mLastMotionY);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionX: " + mParentDownMotionX);
            if (DEBUG)
                Log.d(TAG, "mParentDownMotionY: " + mParentDownMotionY);

            final int pageUnderPointIndex = getNearestHoverOverPageIndex();
            if (pageUnderPointIndex > -1 && pageUnderPointIndex != indexOfChild(mDragView)
                    && !isHoveringOverDelete) {
                mTempVisiblePagesRange[0] = 0;
                mTempVisiblePagesRange[1] = getPageCount() - 1;
                getOverviewModePages(mTempVisiblePagesRange);
                if (mTempVisiblePagesRange[0] <= pageUnderPointIndex
                        && pageUnderPointIndex <= mTempVisiblePagesRange[1]
                        && pageUnderPointIndex != mSidePageHoverIndex && mScroller.isFinished()) {
                    mSidePageHoverIndex = pageUnderPointIndex;
                    mSidePageHoverRunnable = new Runnable() {
                        @Override
                        public void run() {
                            // Setup the scroll to the correct page before we swap the views
                            snapToPage(pageUnderPointIndex);

                            // For each of the pages between the paged view and the drag view,
                            // animate them from the previous position to the new position in
                            // the layout (as a result of the drag view moving in the layout)
                            int shiftDelta = (dragViewIndex < pageUnderPointIndex) ? -1 : 1;
                            int lowerIndex = (dragViewIndex < pageUnderPointIndex) ? dragViewIndex + 1
                                    : pageUnderPointIndex;
                            int upperIndex = (dragViewIndex > pageUnderPointIndex) ? dragViewIndex - 1
                                    : pageUnderPointIndex;
                            for (int i = lowerIndex; i <= upperIndex; ++i) {
                                View v = getChildAt(i);
                                // dragViewIndex < pageUnderPointIndex, so after we remove the
                                // drag view all subsequent views to pageUnderPointIndex will
                                // shift down.
                                int oldX = getViewportOffsetX() + getChildOffset(i);
                                int newX = getViewportOffsetX() + getChildOffset(i + shiftDelta);

                                // Animate the view translation from its old position to its new
                                // position
                                AnimatorSet anim = (AnimatorSet) v.getTag(ANIM_TAG_KEY);
                                if (anim != null) {
                                    anim.cancel();
                                }

                                v.setTranslationX(oldX - newX);
                                anim = new AnimatorSet();
                                anim.setDuration(REORDERING_REORDER_REPOSITION_DURATION);
                                anim.playTogether(ObjectAnimator.ofFloat(v, "translationX", 0f));
                                anim.start();
                                v.setTag(anim);
                            }

                            removeView(mDragView);
                            onRemoveView(mDragView, false);
                            addView(mDragView, pageUnderPointIndex);
                            onAddView(mDragView, pageUnderPointIndex);
                            mSidePageHoverIndex = -1;
                            mPageIndicator.setActiveMarker(getNextPage());
                        }
                    };
                    postDelayed(mSidePageHoverRunnable, REORDERING_SIDE_PAGE_HOVER_TIMEOUT);
                }
            } else {
                removeCallbacks(mSidePageHoverRunnable);
                mSidePageHoverIndex = -1;
            }
        } else {
            determineScrollingStart(ev);
        }
        break;

    case MotionEvent.ACTION_UP:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            final int activePointerId = mActivePointerId;
            final int pointerIndex = ev.findPointerIndex(activePointerId);
            final float x = ev.getX(pointerIndex);
            final VelocityTracker velocityTracker = mVelocityTracker;
            velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
            int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
            final int deltaX = (int) (x - mDownMotionX);
            final int pageWidth = getPageAt(mCurrentPage).getMeasuredWidth();
            boolean isSignificantMove = Math.abs(deltaX) > pageWidth * SIGNIFICANT_MOVE_THRESHOLD;

            mTotalMotionX += Math.abs(mLastMotionX + mLastMotionXRemainder - x);

            boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING
                    && Math.abs(velocityX) > mFlingThresholdVelocity;

            if (!mFreeScroll) {
                // In the case that the page is moved far to one direction and then is flung
                // in the opposite direction, we use a threshold to determine whether we should
                // just return to the starting page, or if we should skip one further.
                boolean returnToOriginalPage = false;
                if (Math.abs(deltaX) > pageWidth * RETURN_TO_ORIGINAL_PAGE_THRESHOLD
                        && Math.signum(velocityX) != Math.signum(deltaX) && isFling) {
                    returnToOriginalPage = true;
                }

                //*/Added by tyd Greg 2014-03-20,for transition effect
                if (TydtechConfig.CYCLE_ROLL_PAGES_ENABLED) {
                    m_moveNextDeltaX = deltaX;
                    m_isSignificantMoveNext = (!returnToOriginalPage && (isSignificantMove || isFling));
                }
                //*/

                int finalPage;
                // We give flings precedence over large moves, which is why we short-circuit our
                // test for a large move if a fling has been registered. That is, a large
                // move to the left and fling to the right will register as a fling to the right.
                final boolean isRtl = isLayoutRtl();
                boolean isDeltaXLeft = isRtl ? deltaX > 0 : deltaX < 0;
                boolean isVelocityXLeft = isRtl ? velocityX > 0 : velocityX < 0;
                if (((isSignificantMove && !isDeltaXLeft && !isFling) || (isFling && !isVelocityXLeft))
                        && mCurrentPage > 0) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage - 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else if (((isSignificantMove && isDeltaXLeft && !isFling) || (isFling && isVelocityXLeft))
                        && mCurrentPage < getChildCount() - 1) {
                    finalPage = returnToOriginalPage ? mCurrentPage : mCurrentPage + 1;
                    snapToPageWithVelocity(finalPage, velocityX);
                } else {
                    snapToDestination();
                }
            } else if (mTouchState == TOUCH_STATE_PREV_PAGE) {
                // at this point we have not moved beyond the touch slop
                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
                // we can just page
                int nextPage = Math.max(0, mCurrentPage - 1);
                if (nextPage != mCurrentPage) {
                    snapToPage(nextPage);
                } else {
                    snapToDestination();
                }
            } else {
                if (!mScroller.isFinished()) {
                    mScroller.abortAnimation();
                }

                float scaleX = getScaleX();
                int vX = (int) (-velocityX * scaleX);
                int initialScrollX = (int) (getScrollX() * scaleX);

                mScroller.fling(initialScrollX, getScrollY(), vX, 0, Integer.MIN_VALUE, Integer.MAX_VALUE, 0,
                        0);
                invalidate();
            }
        } else if (mTouchState == TOUCH_STATE_NEXT_PAGE) {
            // at this point we have not moved beyond the touch slop
            // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
            // we can just page
            int nextPage = Math.min(getChildCount() - 1, mCurrentPage + 1);
            if (nextPage != mCurrentPage) {
                snapToPage(nextPage);
            } else {
                snapToDestination();
            }
        } else if (mTouchState == TOUCH_STATE_REORDERING) {
            // Update the last motion position
            mLastMotionX = ev.getX();
            mLastMotionY = ev.getY();

            // Update the parent down so that our zoom animations take this new movement into
            // account
            float[] pt = mapPointFromViewToParent(this, mLastMotionX, mLastMotionY);
            mParentDownMotionX = pt[0];
            mParentDownMotionY = pt[1];
            updateDragViewTranslationDuringDrag();
            boolean handledFling = false;
            if (!DISABLE_FLING_TO_DELETE) {
                // Check the velocity and see if we are flinging-to-delete
                PointF flingToDeleteVector = isFlingingToDelete();
                if (flingToDeleteVector != null) {
                    onFlingToDelete(flingToDeleteVector);
                    handledFling = true;
                }
            }
            if (!handledFling
                    && isHoveringOverDeleteDropTarget((int) mParentDownMotionX, (int) mParentDownMotionY)) {
                onDropToDelete();
            }
        }
        //*/Added by tyd Greg 2014-03-21,for support the touch swipe gesture
        else if (mTouchState == TOUCH_SWIPE_DOWN_GESTURE) {
            if (mOnTouchSwipeGestureListener != null) {
                mOnTouchSwipeGestureListener.fireSwipeDownAction();
            }
        } else if (mTouchState == TOUCH_SWIPE_UP_GESTURE) {
            if (mOnTouchSwipeGestureListener != null) {
                mOnTouchSwipeGestureListener.fireSwipeUpAction();
            }
        }
        //*/

        else {
            if (!mCancelTap) {
                onUnhandledTap(ev);
            }
        }

        // Remove the callback to wait for the side page hover timeout
        removeCallbacks(mSidePageHoverRunnable);
        // End any intermediate reordering states
        resetTouchState();
        break;

    case MotionEvent.ACTION_CANCEL:
        if (mTouchState == TOUCH_STATE_SCROLLING) {
            snapToDestination();
        }
        resetTouchState();
        break;

    case MotionEvent.ACTION_POINTER_UP:
        onSecondaryPointerUp(ev);
        releaseVelocityTracker();
        break;
    }

    return true;
}

From source file:org.telepatch.ui.ChatActivity.java

public void createMenu(View v, boolean single) {
    if (actionBarLayer.isActionModeShowed()) {
        return;/* www .j a  v  a  2 s .  c  om*/
    }

    MessageObject message = null;
    if (v instanceof ChatBaseCell) {
        message = ((ChatBaseCell) v).getMessageObject();
    } else if (v instanceof ChatActionCell) {
        message = ((ChatActionCell) v).getMessageObject();
    }
    if (message == null) {
        return;
    }
    final int type = getMessageType(message);

    selectedObject = null;
    forwaringMessage = null;
    selectedMessagesCanCopyIds.clear();
    selectedMessagesIds.clear();

    if (single || type < 2 || type == 6) {
        if (type >= 0) {
            selectedObject = message;
            if (getParentActivity() == null) {
                return;
            }
            AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());

            CharSequence[] items = null;

            if (type == 0) {
                items = new CharSequence[] { LocaleController.getString("Retry", R.string.Retry),
                        LocaleController.getString("Delete", R.string.Delete) };
            } else if (type == 1) {
                items = new CharSequence[] { LocaleController.getString("Delete", R.string.Delete) };
            } else if (type == 6) {
                items = new CharSequence[] { LocaleController.getString("Retry", R.string.Retry),
                        LocaleController.getString("Copy", R.string.Copy),
                        LocaleController.getString("Delete", R.string.Delete) };
            } else {
                if (currentEncryptedChat == null) {
                    if (type == 2) {
                        items = new CharSequence[] { LocaleController.getString("Forward", R.string.Forward),
                                LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 3) {
                        items = new CharSequence[] { LocaleController.getString("Forward", R.string.Forward),
                                LocaleController.getString("Copy", R.string.Copy),
                                LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 4) {
                        items = new CharSequence[] { LocaleController.getString(
                                selectedObject.messageOwner.media instanceof TLRPC.TL_messageMediaDocument
                                        ? "SaveToDownloads"
                                        : "SaveToGallery",
                                selectedObject.messageOwner.media instanceof TLRPC.TL_messageMediaDocument
                                        ? R.string.SaveToDownloads
                                        : R.string.SaveToGallery),
                                LocaleController.getString("Forward", R.string.Forward),
                                LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 5) {
                        items = new CharSequence[] {
                                LocaleController.getString("ApplyLocalizationFile",
                                        R.string.ApplyLocalizationFile),
                                LocaleController.getString("SaveToDownloads", R.string.SaveToDownloads),
                                LocaleController.getString("Forward", R.string.Forward),
                                LocaleController.getString("Delete", R.string.Delete) };
                    }
                } else {
                    if (type == 2) {
                        items = new CharSequence[] { LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 3) {
                        items = new CharSequence[] { LocaleController.getString("Copy", R.string.Copy),
                                LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 4) {
                        items = new CharSequence[] { LocaleController.getString(
                                selectedObject.messageOwner.media instanceof TLRPC.TL_messageMediaDocument
                                        ? "SaveToDownloads"
                                        : "SaveToGallery",
                                selectedObject.messageOwner.media instanceof TLRPC.TL_messageMediaDocument
                                        ? R.string.SaveToDownloads
                                        : R.string.SaveToGallery),
                                LocaleController.getString("Delete", R.string.Delete) };
                    } else if (type == 5) {
                        items = new CharSequence[] {
                                LocaleController.getString("ApplyLocalizationFile",
                                        R.string.ApplyLocalizationFile),
                                LocaleController.getString("Delete", R.string.Delete) };
                    }
                }
            }

            builder.setItems(items, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    if (selectedObject == null) {
                        return;
                    }
                    if (type == 0) {
                        if (i == 0) {
                            processSelectedOption(0);
                        } else if (i == 1) {
                            processSelectedOption(1);
                        }
                    } else if (type == 1) {
                        processSelectedOption(1);
                    } else if (type == 2) {
                        if (currentEncryptedChat == null) {
                            if (i == 0) {
                                processSelectedOption(2);
                            } else if (i == 1) {
                                processSelectedOption(1);
                            }
                        } else {
                            processSelectedOption(1);
                        }
                    } else if (type == 3) {
                        if (currentEncryptedChat == null) {
                            if (i == 0) {
                                processSelectedOption(2);
                            } else if (i == 1) {
                                processSelectedOption(3);
                            } else if (i == 2) {
                                processSelectedOption(1);
                            }
                        } else {
                            if (i == 0) {
                                processSelectedOption(3);
                            } else if (i == 1) {
                                processSelectedOption(1);
                            }
                        }
                    } else if (type == 4) {
                        if (currentEncryptedChat == null) {
                            if (i == 0) {
                                processSelectedOption(4);
                            } else if (i == 1) {
                                processSelectedOption(2);
                            } else if (i == 2) {
                                processSelectedOption(1);
                            }
                        } else {
                            if (i == 0) {

                            } else if (i == 1) {
                                processSelectedOption(1);
                            }
                        }
                    } else if (type == 5) {
                        if (i == 0) {
                            processSelectedOption(5);
                        } else {
                            if (currentEncryptedChat == null) {
                                if (i == 1) {
                                    processSelectedOption(4);
                                } else if (i == 2) {
                                    processSelectedOption(2);
                                } else if (i == 3) {
                                    processSelectedOption(1);
                                }
                            } else {
                                if (i == 1) {
                                    processSelectedOption(1);
                                }
                            }
                        }
                    } else if (type == 6) {
                        if (i == 0) {
                            processSelectedOption(0);
                        } else if (i == 1) {
                            processSelectedOption(3);
                        } else if (i == 2) {
                            processSelectedOption(1);
                        }
                    }
                }
            });

            builder.setTitle(LocaleController.getString("Message", R.string.Message));
            showAlertDialog(builder);
        }
        return;
    }
    actionBarLayer.showActionMode();
    if (Build.VERSION.SDK_INT >= 11) {
        AnimatorSet animatorSet = new AnimatorSet();
        ArrayList<Animator> animators = new ArrayList<Animator>();
        for (int a = 0; a < actionModeViews.size(); a++) {
            View view = actionModeViews.get(a);
            if (a < 2) {
                animators.add(ObjectAnimator.ofFloat(view, "translationX", -AndroidUtilities.dp(56), 0));
            } else {
                animators.add(ObjectAnimator.ofFloat(view, "scaleY", 0.1f, 1.0f));
            }
        }
        animatorSet.playTogether(animators);
        animatorSet.setDuration(250);
        animatorSet.start();
    }
    addToSelectedMessages(message);
    updateActionModeTitle();
    updateVisibleRows();
}

From source file:com.phonemetra.turbo.launcher.AsyncTaskCallback.java

Animator getChangeStateAnimation(final State state, boolean animated, int delay, int snapPage) {
    if (mState == state) {
        return null;
    }/*from www  .j  a  v a2s .  co  m*/

    // Initialize animation arrays for the first time if necessary
    initAnimationArrays();

    AnimatorSet anim = animated ? LauncherAnimUtils.createAnimatorSet() : null;

    final State oldState = mState;
    final boolean oldStateIsNormal = (oldState == State.NORMAL);
    final boolean oldStateIsOverview = (oldState == State.OVERVIEW);
    setState(state);
    final boolean stateIsNormal = (state == State.NORMAL);
    final boolean stateIsOverview = (state == State.OVERVIEW);
    float finalBackgroundAlpha = stateIsOverview ? 1.0f : 0f;
    float finalPageIndicatorAlpha = stateIsOverview ? 0f : 1f;
    float finalOverviewPanelAlpha = stateIsOverview ? 1f : 0f;
    float finalWorkspaceTranslationY = stateIsOverview ? getOverviewModeTranslationY() : 0;

    boolean workspaceToOverview = (oldStateIsNormal && stateIsOverview);
    boolean overviewToWorkspace = (oldStateIsOverview && stateIsNormal);

    mNewScale = 1.0f;

    if (state != State.NORMAL) {
        if (stateIsOverview) {
            mNewScale = mOverviewModeShrinkFactor;
        }
    }

    final int duration = getResources().getInteger(R.integer.config_overviewTransitionTime);

    for (int i = 0; i < getChildCount(); i++) {
        final CellLayout cl = (CellLayout) getChildAt(i);
        float finalAlpha = 1f;

        if (stateIsOverview) {
            cl.setVisibility(VISIBLE);
            cl.setTranslationX(0f);
            cl.setTranslationY(0f);
            cl.setPivotX(cl.getMeasuredWidth() * 0.5f);
            cl.setPivotY(cl.getMeasuredHeight() * 0.5f);
            cl.setRotation(0f);
            cl.setRotationY(0f);
            cl.setRotationX(0f);
            cl.setScaleX(1f);
            cl.setScaleY(1f);
            cl.setShortcutAndWidgetAlpha(1f);
        }

        mOldAlphas[i] = cl.getShortcutsAndWidgets().getAlpha();
        mNewAlphas[i] = finalAlpha;
        if (animated) {
            mOldBackgroundAlphas[i] = cl.getBackgroundAlpha();
            mNewBackgroundAlphas[i] = finalBackgroundAlpha;
        } else {
            cl.setBackgroundAlpha(finalBackgroundAlpha);
            cl.setShortcutAndWidgetAlpha(finalAlpha);
        }
    }

    final View overviewPanel = mLauncher.getOverviewPanel();
    if (animated) {
        anim.setDuration(duration);
        LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
        scale.scaleX(mNewScale).scaleY(mNewScale).translationY(finalWorkspaceTranslationY)
                .setInterpolator(mZoomInInterpolator);
        anim.play(scale);
        ValueAnimator invalidate = ValueAnimator.ofFloat(0f, 1f);
        invalidate.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                invalidate();
            }
        });
        anim.play(invalidate);
        ObjectAnimator pageIndicatorAlpha = null;
        if (getPageIndicator() != null) {
            pageIndicatorAlpha = ObjectAnimator.ofFloat(getPageIndicator(), "alpha", finalPageIndicatorAlpha);
        }
        ObjectAnimator overviewPanelAlpha = ObjectAnimator.ofFloat(overviewPanel, "alpha",
                finalOverviewPanelAlpha);

        overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));

        if (overviewToWorkspace) {
            overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
        }

        if (getPageIndicator() != null) {
            pageIndicatorAlpha.addListener(new AlphaUpdateListener(getPageIndicator()));
        }

        anim.play(overviewPanelAlpha);
        anim.play(pageIndicatorAlpha);

        for (int index = 0; index < getChildCount(); index++) {
            final int i = index;

            final CellLayout cl = (CellLayout) getChildAt(i);
            if (mOldAlphas[i] == 0 && mNewAlphas[i] == 0) {
                cl.setBackgroundAlpha(mNewBackgroundAlphas[i]);
                cl.getShortcutsAndWidgets().setAlpha(mNewAlphas[i]);
            } else {
                LauncherViewPropertyAnimator a = new LauncherViewPropertyAnimator(cl.getShortcutsAndWidgets());
                a.alpha(mNewAlphas[i]).setDuration(duration).setInterpolator(mZoomInInterpolator);
                anim.play(a);
                if (mOldBackgroundAlphas[i] != 0 || mNewBackgroundAlphas[i] != 0) {
                    ValueAnimator bgAnim = LauncherAnimUtils.ofFloat(cl, 0f, 1f);
                    bgAnim.setInterpolator(mZoomInInterpolator);
                    bgAnim.addUpdateListener(new LauncherAnimatorUpdateListener() {
                        public void onAnimationUpdate(float a, float b) {
                            cl.setBackgroundAlpha(a * mOldBackgroundAlphas[i] + b * mNewBackgroundAlphas[i]);
                        }
                    });
                    anim.play(bgAnim);
                }
            }
        }

        anim.setStartDelay(delay);
    } else {
        overviewPanel.setAlpha(finalOverviewPanelAlpha);
        AlphaUpdateListener.updateVisibility(overviewPanel);
        if (getPageIndicator() != null) {
            getPageIndicator().setAlpha(finalPageIndicatorAlpha);
            AlphaUpdateListener.updateVisibility(getPageIndicator());
        }
        setScaleX(mNewScale);
        setScaleY(mNewScale);
        setTranslationY(finalWorkspaceTranslationY);
    }
    return anim;
}

From source file:org.telegram.ui.Components.ChatAttachAlert.java

@SuppressLint("NewApi")
private void startRevealAnimation(final boolean open) {
    containerView.setTranslationY(0);//w  ww  . ja v  a 2  s  . c o  m

    final AnimatorSet animatorSet = new AnimatorSet();

    View view = delegate.getRevealView();
    if (view.getVisibility() == View.VISIBLE
            && ((ViewGroup) view.getParent()).getVisibility() == View.VISIBLE) {
        final int coords[] = new int[2];
        view.getLocationInWindow(coords);
        float top;
        if (Build.VERSION.SDK_INT <= 19) {
            top = AndroidUtilities.displaySize.y - containerView.getMeasuredHeight()
                    - AndroidUtilities.statusBarHeight;
        } else {
            top = containerView.getY();
        }
        revealX = coords[0] + view.getMeasuredWidth() / 2;
        revealY = (int) (coords[1] + view.getMeasuredHeight() / 2 - top);
        if (Build.VERSION.SDK_INT <= 19) {
            revealY -= AndroidUtilities.statusBarHeight;
        }
    } else {
        revealX = AndroidUtilities.displaySize.x / 2 + backgroundPaddingLeft;
        revealY = (int) (AndroidUtilities.displaySize.y - containerView.getY());
    }

    int corners[][] = new int[][] { { 0, 0 }, { 0, AndroidUtilities.dp(304) },
            { containerView.getMeasuredWidth(), 0 },
            { containerView.getMeasuredWidth(), AndroidUtilities.dp(304) } };
    int finalRevealRadius = 0;
    int y = revealY - scrollOffsetY + backgroundPaddingTop;
    for (int a = 0; a < 4; a++) {
        finalRevealRadius = Math.max(finalRevealRadius,
                (int) Math.ceil(Math.sqrt((revealX - corners[a][0]) * (revealX - corners[a][0])
                        + (y - corners[a][1]) * (y - corners[a][1]))));
    }
    int finalRevealX = revealX <= containerView.getMeasuredWidth() ? revealX : containerView.getMeasuredWidth();

    ArrayList<Animator> animators = new ArrayList<>(3);
    animators.add(ObjectAnimator.ofFloat(this, "revealRadius", open ? 0 : finalRevealRadius,
            open ? finalRevealRadius : 0));
    animators.add(ObjectAnimator.ofInt(backDrawable, "alpha", open ? 51 : 0));
    if (Build.VERSION.SDK_INT >= 21) {
        try {
            animators.add(ViewAnimationUtils.createCircularReveal(containerView, finalRevealX, revealY,
                    open ? 0 : finalRevealRadius, open ? finalRevealRadius : 0));
        } catch (Exception e) {
            FileLog.e("tmessages", e);
        }
        animatorSet.setDuration(320);
    } else {
        if (!open) {
            animatorSet.setDuration(200);
            containerView.setPivotX(
                    revealX <= containerView.getMeasuredWidth() ? revealX : containerView.getMeasuredWidth());
            containerView.setPivotY(revealY);
            animators.add(ObjectAnimator.ofFloat(containerView, "scaleX", 0.0f));
            animators.add(ObjectAnimator.ofFloat(containerView, "scaleY", 0.0f));
            animators.add(ObjectAnimator.ofFloat(containerView, "alpha", 0.0f));
        } else {
            animatorSet.setDuration(250);
            containerView.setScaleX(1);
            containerView.setScaleY(1);
            containerView.setAlpha(1);
            if (Build.VERSION.SDK_INT <= 19) {
                animatorSet.setStartDelay(20);
            }
        }
    }
    animatorSet.playTogether(animators);
    animatorSet.addListener(new AnimatorListenerAdapter() {
        public void onAnimationEnd(Animator animation) {
            if (currentSheetAnimation != null && currentSheetAnimation.equals(animation)) {
                currentSheetAnimation = null;
                onRevealAnimationEnd(open);
                containerView.invalidate();
                containerView.setLayerType(View.LAYER_TYPE_NONE, null);
                if (!open) {
                    try {
                        dismissInternal();
                    } catch (Exception e) {
                        FileLog.e("tmessages", e);
                    }
                }
            }
        }

        @Override
        public void onAnimationCancel(Animator animation) {
            if (currentSheetAnimation != null && animatorSet.equals(animation)) {
                currentSheetAnimation = null;
            }
        }
    });

    if (open) {
        innerAnimators.clear();
        NotificationCenter.getInstance()
                .setAllowedNotificationsDutingAnimation(new int[] { NotificationCenter.dialogsNeedReload });
        NotificationCenter.getInstance().setAnimationInProgress(true);
        revealAnimationInProgress = true;

        int count = Build.VERSION.SDK_INT <= 19 ? 11 : 8;
        for (int a = 0; a < count; a++) {
            if (Build.VERSION.SDK_INT <= 19) {
                if (a < 8) {
                    views[a].setScaleX(0.1f);
                    views[a].setScaleY(0.1f);
                }
                views[a].setAlpha(0.0f);
            } else {
                views[a].setScaleX(0.7f);
                views[a].setScaleY(0.7f);
            }

            InnerAnimator innerAnimator = new InnerAnimator();

            int buttonX = views[a].getLeft() + views[a].getMeasuredWidth() / 2;
            int buttonY = views[a].getTop() + attachView.getTop() + views[a].getMeasuredHeight() / 2;
            float dist = (float) Math.sqrt(
                    (revealX - buttonX) * (revealX - buttonX) + (revealY - buttonY) * (revealY - buttonY));
            float vecX = (revealX - buttonX) / dist;
            float vecY = (revealY - buttonY) / dist;
            views[a].setPivotX(views[a].getMeasuredWidth() / 2 + vecX * AndroidUtilities.dp(20));
            views[a].setPivotY(views[a].getMeasuredHeight() / 2 + vecY * AndroidUtilities.dp(20));
            innerAnimator.startRadius = dist - AndroidUtilities.dp(27 * 3);

            views[a].setTag(R.string.AppName, 1);
            animators = new ArrayList<>();
            final AnimatorSet animatorSetInner;
            if (a < 8) {
                animators.add(ObjectAnimator.ofFloat(views[a], "scaleX", 0.7f, 1.05f));
                animators.add(ObjectAnimator.ofFloat(views[a], "scaleY", 0.7f, 1.05f));

                animatorSetInner = new AnimatorSet();
                animatorSetInner.playTogether(ObjectAnimator.ofFloat(views[a], "scaleX", 1.0f),
                        ObjectAnimator.ofFloat(views[a], "scaleY", 1.0f));
                animatorSetInner.setDuration(100);
                animatorSetInner.setInterpolator(decelerateInterpolator);
            } else {
                animatorSetInner = null;
            }
            if (Build.VERSION.SDK_INT <= 19) {
                animators.add(ObjectAnimator.ofFloat(views[a], "alpha", 1.0f));
            }
            innerAnimator.animatorSet = new AnimatorSet();
            innerAnimator.animatorSet.playTogether(animators);
            innerAnimator.animatorSet.setDuration(150);
            innerAnimator.animatorSet.setInterpolator(decelerateInterpolator);
            innerAnimator.animatorSet.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    if (animatorSetInner != null) {
                        animatorSetInner.start();
                    }
                }
            });
            innerAnimators.add(innerAnimator);
        }
    }
    currentSheetAnimation = animatorSet;
    animatorSet.start();
}