Example usage for android.graphics Canvas clipRect

List of usage examples for android.graphics Canvas clipRect

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Introduction

In this page you can find the example usage for android.graphics Canvas clipRect.

Prototype

public boolean clipRect(int left, int top, int right, int bottom)

Source Link

Document

Intersect the current clip with the specified rectangle, which is expressed in local coordinates.

Usage

From source file:android.car.ui.provider.CarDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = findContentView().getLeft();
    int clipRight = findContentView().getRight();
    final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                continue;
            }/*  w  w w . ja  v a2s .  c o  m*/

            if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                final int vright = v.getRight();
                if (vright > clipLeft) {
                    clipLeft = vright;
                }
            } else {
                final int vleft = v.getLeft();
                if (vleft < clipRight) {
                    clipRight = vleft;
                }
            }
        }
        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (drawingContent) {
        int scrimAlpha = SCRIM_ENABLED
                ? (int) (baseAlpha * Math.max(0, Math.min(1, onScreen())) * MAX_SCRIM_ALPHA)
                : 0;

        if (scrimAlpha > 0) {
            int color = scrimAlpha << 24 | (mScrimColor & 0xffffff);
            mScrimPaint.setColor(color);

            canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint);

            canvas.drawRect(clipLeft - 1, 0, clipLeft, getHeight(), mEdgeHighlightPaint);
        }

        LayoutParams drawerLp = (LayoutParams) findDrawerView().getLayoutParams();
        if (mShadow != null && checkDrawerViewAbsoluteGravity(findDrawerView(), Gravity.LEFT)) {
            final int offScreen = (int) ((1 - drawerLp.onScreen) * findDrawerView().getWidth());
            final int drawerRight = getWidth() - drawerLp.getMarginEnd() - offScreen;
            final int shadowWidth = mShadow.getIntrinsicWidth();
            final float alpha = Math.max(0, Math.min((float) drawerRight / mDragger.getEdgeSize(), 1.f));
            mShadow.setBounds(drawerRight, child.getTop(), drawerRight + shadowWidth, child.getBottom());
            mShadow.setAlpha((int) (255 * alpha * alpha * alpha));
            mShadow.draw(canvas);
        } else if (mShadow != null && checkDrawerViewAbsoluteGravity(findDrawerView(), Gravity.RIGHT)) {
            final int onScreen = (int) (findDrawerView().getWidth() * drawerLp.onScreen);
            final int drawerLeft = drawerLp.getMarginStart() + getWidth() - onScreen;
            final int shadowWidth = mShadow.getIntrinsicWidth();
            final float alpha = Math.max(0, Math.min((float) onScreen / mDragger.getEdgeSize(), 1.f));
            canvas.save();
            canvas.translate(2 * drawerLeft - shadowWidth, 0);
            canvas.scale(-1.0f, 1.0f);
            mShadow.setBounds(drawerLeft - shadowWidth, child.getTop(), drawerLeft, child.getBottom());
            mShadow.setAlpha((int) (255 * alpha * alpha * alpha * alpha));
            mShadow.draw(canvas);
            canvas.restore();
        }
    }
    return result;
}

From source file:com.aidy.bottomdrawerlayout.BottomDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    Log.i(TAG, "drawChild()");
    final int width = getWidth();
    final boolean drawingContent = isContentView(child);
    int clipTop = 0;
    int clipBottom = getHeight();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getWidth() < width) {
                Log.i(TAG, "drawChild() -- 0");
                continue;
            }/*  ww  w.j a v a  2s  . co  m*/
            if (checkDrawerViewAbsoluteGravity(v, Gravity.TOP)) {
                final int vbottom = v.getBottom();
                if (vbottom > clipTop)
                    clipTop = vbottom;
            } else {
                final int vtop = v.getTop();
                if (vtop < clipBottom) {
                    clipBottom = vtop;
                }
            }
        }
        canvas.clipRect(0, clipTop, getWidth(), clipBottom);
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        Log.i(TAG, "drawChild() -- drawingContent");
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);
        canvas.drawRect(0, clipTop, getWidth(), clipBottom, mScrimPaint);
    } else if (mShadowBottom != null && checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) {
        Log.i(TAG, "drawChild() -- Gravity.BOTTOM");
        final int shadowHeight = mShadowBottom.getIntrinsicWidth();
        final int childTop = child.getTop();
        final int showing = getHeight() - childTop;
        final int drawerPeekDistance = mBottomDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowBottom.setBounds(child.getLeft(), childTop - shadowHeight, child.getRight(), childTop);
        mShadowBottom.setAlpha((int) (0xff * alpha));
        mShadowBottom.draw(canvas);
    }
    return result;
}

From source file:com.klinker.android.launcher.addons.view.LauncherDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                continue;
            }/*from  w w w .  java2 s .  co m*/

            if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                final int vright = v.getRight();
                if (vright > clipLeft)
                    clipLeft = vright;
            } else {
                final int vleft = v.getLeft();
                if (vleft < clipRight)
                    clipRight = vleft;
            }
        }

        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);

        canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint);
    } else if (mShadowLeft != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
        final int shadowWidth = mShadowLeft.getIntrinsicWidth();
        final int childRight = child.getRight();
        final int drawerPeekDistance = mLeftDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f));
        mShadowLeft.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowLeft.setAlpha((int) (0xff * alpha));
        mShadowLeft.draw(canvas);
    } else if (mShadowRight != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
        final int shadowWidth = mShadowRight.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        final int showing = getWidth() - childLeft;
        final int drawerPeekDistance = mRightDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowRight.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowRight.setAlpha((int) (0xff * alpha));
        mShadowRight.draw(canvas);
    }
    return result;
}

From source file:com.example.verticaldrawerlayout.VerticalDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                continue;
            }/*from w  w w  .  j  a  v  a 2 s  . c o  m*/

            if (checkDrawerViewAbsoluteGravity(v, Gravity.TOP)) {
                final int vright = v.getRight();
                if (vright > clipLeft)
                    clipLeft = vright;
            } else {
                final int vleft = v.getLeft();
                if (vleft < clipRight)
                    clipRight = vleft;
            }
        }
        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);

        canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint);
    } else if (mShadowTop != null && checkDrawerViewAbsoluteGravity(child, Gravity.TOP)) {
        final int shadowWidth = mShadowTop.getIntrinsicWidth();
        final int childRight = child.getRight();
        final int drawerPeekDistance = mTopDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f));
        mShadowTop.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowTop.setAlpha((int) (0xff * alpha));
        mShadowTop.draw(canvas);
    } else if (mShadowBottom != null && checkDrawerViewAbsoluteGravity(child, Gravity.BOTTOM)) {
        final int shadowWidth = mShadowBottom.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        final int showing = getWidth() - childLeft;
        final int drawerPeekDistance = mBottomDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowBottom.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowBottom.setAlpha((int) (0xff * alpha));
        mShadowBottom.draw(canvas);
    }
    return result;
}

From source file:com.sanron.sunweather.view.v4.DrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                continue;
            }/*from  w w  w  .java 2 s  .  c  o  m*/

            if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                final int vright = v.getRight();
                if (vright > clipLeft)
                    clipLeft = vright;
            } else {
                final int vleft = v.getLeft();
                if (vleft < clipRight)
                    clipRight = vleft;
            }
        }
        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mShadowLeft != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
        final int shadowWidth = mShadowLeft.getIntrinsicWidth();
        final int childRight = child.getRight();
        mShadowLeft.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowLeft.draw(canvas);
    } else if (mShadowRight != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
        final int shadowWidth = mShadowRight.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        mShadowRight.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowRight.draw(canvas);
    }
    return result;
}

From source file:com.aidy.bottomdrawerlayout.DrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    Log.i(TAG, "drawChild()");
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                Log.i(TAG, "drawChild() -- 0");
                continue;
            }//from w w w  .  ja v  a2 s. co  m

            if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                Log.i(TAG, "drawChild() -- 1");
                final int vright = v.getRight();
                if (vright > clipLeft)
                    clipLeft = vright;
            } else {
                Log.i(TAG, "drawChild() -- 2");
                final int vleft = v.getLeft();
                if (vleft < clipRight)
                    clipRight = vleft;
            }
        }
        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        Log.i(TAG, "drawChild() -- drawingContent");
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);

        canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint);
    } else if (mShadowLeft != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
        Log.i(TAG, "drawChild() -- Gravity.LEFT");
        final int shadowWidth = mShadowLeft.getIntrinsicWidth();
        final int childRight = child.getRight();
        final int drawerPeekDistance = mLeftDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f));
        mShadowLeft.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowLeft.setAlpha((int) (0xff * alpha));
        mShadowLeft.draw(canvas);
    } else if (mShadowRight != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
        Log.i(TAG, "drawChild() -- Gravity.RIGHT");
        final int shadowWidth = mShadowRight.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        final int showing = getWidth() - childLeft;
        final int drawerPeekDistance = mRightDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowRight.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowRight.setAlpha((int) (0xff * alpha));
        mShadowRight.draw(canvas);
    }
    return result;
}

From source file:com.aizou.core.widget.pagerIndicator.indicator.FixedIndicatorView.java

private void drawSlideBar(Canvas canvas) {
    if (mAdapter == null || scrollBar == null) {
        return;//from  w  ww. j a va 2s  . com
    }
    final int count = mAdapter.getCount();
    if (count == 0) {
        return;
    }
    if (getCurrentItem() >= count) {
        setCurrentItem(count - 1);
        return;
    }
    float offsetX = 0;
    int offsetY = 0;
    switch (this.scrollBar.getGravity()) {
    case CENTENT_BACKGROUND:
    case CENTENT:
        offsetY = (getHeight() - scrollBar.getHeight(getHeight())) / 2;

        break;
    case TOP:
    case TOP_FLOAT:
        offsetY = 0;
        break;
    case BOTTOM:
    case BOTTOM_FLOAT:
    default:
        offsetY = getHeight() - scrollBar.getHeight(getHeight());
        break;
    }
    View currentView = null;
    if (!inRun.isFinished() && inRun.computeScrollOffset()) {
        offsetX = inRun.getCurrentX();
        int position = 0;
        for (int i = 0; i < count; i++) {
            currentView = getChildAt(i);
            if (currentView.getLeft() <= offsetX && offsetX < currentView.getRight()) {
                position = i;
                break;
            }
        }
        int width = currentView.getWidth();
        int positionOffsetPixels = (int) (offsetX - currentView.getLeft());
        float positionOffset = (offsetX - currentView.getLeft()) / width;
        notifyPageScrolled(position, positionOffset, positionOffsetPixels);
    } else if (mPositionOffset - 0.0f > 0.01) {
        currentView = getChildAt(mPosition);
        int width = currentView.getWidth();
        offsetX = currentView.getLeft() + width * mPositionOffset;
        notifyPageScrolled(mPosition, mPositionOffset, mPositionOffsetPixels);
    } else {
        currentView = getChildAt(mSelectedTabIndex);
        if (currentView == null) {
            return;
        }
        offsetX = currentView.getLeft();
    }
    int tabWidth = currentView.getWidth();
    int width = scrollBar.getWidth(tabWidth);
    width = Math.min(tabWidth, width);
    offsetX += (tabWidth - width) / 2;
    int saveCount = canvas.save();
    canvas.translate(offsetX, offsetY);
    canvas.clipRect(0, 0, width, scrollBar.getHeight(getHeight())); // needed

    int preHeight = scrollBar.getSlideView().getHeight();
    int preWidth = scrollBar.getSlideView().getWidth();
    if (preHeight != scrollBar.getHeight(getHeight()) || preWidth != scrollBar.getWidth(tabWidth)) {
        measureScrollBar(true);
    }

    scrollBar.getSlideView().draw(canvas);
    canvas.restoreToCount(saveCount);
}

From source file:ca.co.rufus.androidboilerplate.ui.DebugDrawerLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final int height = getHeight();
    final boolean drawingContent = isContentView(child);
    int clipLeft = 0, clipRight = getWidth();

    final int restoreCount = canvas.save();
    if (drawingContent) {
        final int childCount = getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = getChildAt(i);
            if (v == child || v.getVisibility() != VISIBLE || !hasOpaqueBackground(v) || !isDrawerView(v)
                    || v.getHeight() < height) {
                continue;
            }/* w  w w. j ava  2s  .c  o  m*/

            if (checkDrawerViewAbsoluteGravity(v, Gravity.LEFT)) {
                final int vright = v.getRight();
                if (vright > clipLeft)
                    clipLeft = vright;
            } else {
                final int vleft = v.getLeft();
                if (vleft < clipRight)
                    clipRight = vleft;
            }
        }
        canvas.clipRect(clipLeft, 0, clipRight, getHeight());
    }
    final boolean result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(restoreCount);

    if (mScrimOpacity > 0 && drawingContent) {
        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mScrimOpacity);
        final int color = imag << 24 | (mScrimColor & 0xffffff);
        mScrimPaint.setColor(color);

        canvas.drawRect(clipLeft, 0, clipRight, getHeight(), mScrimPaint);
    } else if (mShadowLeft != null && checkDrawerViewAbsoluteGravity(child, Gravity.LEFT)) {
        final int shadowWidth = mShadowLeft.getIntrinsicWidth();
        final int childRight = child.getRight();
        final int drawerPeekDistance = mLeftDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) childRight / drawerPeekDistance, 1.f));
        mShadowLeft.setBounds(childRight, child.getTop(), childRight + shadowWidth, child.getBottom());
        mShadowLeft.setAlpha((int) (0xff * alpha));
        mShadowLeft.draw(canvas);
    } else if (mShadowRight != null && checkDrawerViewAbsoluteGravity(child, Gravity.RIGHT)) {
        final int shadowWidth = mShadowRight.getIntrinsicWidth();
        final int childLeft = child.getLeft();
        final int showing = getWidth() - childLeft;
        final int drawerPeekDistance = mRightDragger.getEdgeSize();
        final float alpha = Math.max(0, Math.min((float) showing / drawerPeekDistance, 1.f));
        mShadowRight.setBounds(childLeft - shadowWidth, child.getTop(), childLeft, child.getBottom());
        mShadowRight.setAlpha((int) (0xff * alpha));
        mShadowRight.draw(canvas);
    }
    return result;
}

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

public ChatAttachAlert(Context context, final ChatActivity parentFragment) {
    super(context, false);
    baseFragment = parentFragment;/* w ww.  j  ava  2 s  .  co m*/
    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:com.cleveroad.slidingtutorial.CirclePageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null) {
        return;//w ww  . ja  v a  2 s . c om
    }
    final int count = mRealPagesCount;

    if (count <= 0) {
        return;
    }

    int longSize;
    int longPaddingBefore;
    int longPaddingAfter;
    int shortPaddingBefore;
    if (mOrientation == HORIZONTAL) {
        longSize = getWidth();
        longPaddingBefore = getPaddingLeft();
        longPaddingAfter = getPaddingRight();
        shortPaddingBefore = getPaddingTop();
    } else {
        longSize = getHeight();
        longPaddingBefore = getPaddingTop();
        longPaddingAfter = getPaddingBottom();
        shortPaddingBefore = getPaddingLeft();
    }

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;
    if (mCentered) {
        longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f)
                - ((count * threeRadius) / 2.0f);
    }

    float dX = 0;
    float dY = 0;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }

    //Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        if (mOrientation == HORIZONTAL) {
            dX = drawLong;
            dY = shortOffset;
        } else {
            dX = shortOffset;
            dY = drawLong;
        }
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }

        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }

    float lastDx = dX;
    float lastDy = dY;

    //Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    if (mOrientation == HORIZONTAL) {
        dX = longOffset + cx;
        dY = shortOffset;
    } else {
        dX = shortOffset;
        dY = longOffset + cx;
    }
    if (mOrientation == HORIZONTAL) {
        canvas.clipRect(longOffset - mRadius, 0, lastDx + mRadius, canvas.getHeight());
    } else {
        canvas.clipRect(0, 0, getWidth(), lastDy + mRadius);
    }
    canvas.drawCircle(dX, dY, mRadius, mPaintFill);
    if (mOrientation == HORIZONTAL && dX > lastDx || mOrientation == VERTICAL && dY > lastDy) {
        if (mOrientation == HORIZONTAL) {
            canvas.drawCircle(longOffset + dX - lastDx - threeRadius, dY, mRadius, mPaintFill);
        } else {
            canvas.drawCircle(dX, longOffset + dY - lastDy - threeRadius, mRadius, mPaintFill);
        }
    }
}