Example usage for android.view MotionEvent ACTION_DOWN

Introduction

In this page you can find the example usage for android.view MotionEvent ACTION_DOWN.

Prototype

int ACTION_DOWN

To view the source code for android.view MotionEvent ACTION_DOWN.

Click Source Link

Document

Constant for #getActionMasked : A pressed gesture has started, the motion contains the initial starting location.

Usage

From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardViewWithMiniKeyboard.java

protected void setPopupStickinessValues(boolean isSticky, boolean requiresSlideInMotionEvent, int touchX,
        int touchY) {
    mChildKeyboardActionListener.setInOneShot(!isSticky);
    if (requiresSlideInMotionEvent) {
        // Inject down event on the key to mini keyboard.
        long eventTime = SystemClock.uptimeMillis();
        mMiniKeyboardPopupTime = eventTime;
        MotionEvent downEvent = generateMiniKeyboardMotionEvent(MotionEvent.ACTION_DOWN, touchX, touchY,
                eventTime);//ww  w.  java2  s . co  m
        mMiniKeyboard.onTouchEvent(downEvent);
        downEvent.recycle();
    }

}

---

From source file:com.anjuke.library.uicomponent.photo.EndlessCircleIndicator.java

public boolean onTouchEvent(android.view.MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }/*w w  w .j a v  a  2s .com*/
    if ((mViewPager == null) || (mCount == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mLastMotionX = ev.getX();
        break;

    case MotionEvent.ACTION_MOVE: {
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float x = MotionEventCompat.getX(ev, activePointerIndex);
        final float deltaX = x - mLastMotionX;

        if (!mIsDragging) {
            if (Math.abs(deltaX) > mTouchSlop) {
                mIsDragging = true;
            }
        }

        if (mIsDragging) {
            mLastMotionX = x;
            if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                mViewPager.fakeDragBy(deltaX);
            }
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (!mIsDragging) {
            final int width = getWidth();
            final float halfWidth = width / 2f;
            final float sixthWidth = width / 6f;

            if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                if (action != MotionEvent.ACTION_CANCEL) {
                    mViewPager.setCurrentItem(mCurrentPage - 1);
                }
                return true;
            } else if ((mCurrentPage < mCount - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                if (action != MotionEvent.ACTION_CANCEL) {
                    mViewPager.setCurrentItem(mCurrentPage + 1);
                }
                return true;
            }
        }

        mIsDragging = false;
        mActivePointerId = INVALID_POINTER;
        if (mViewPager.isFakeDragging())
            mViewPager.endFakeDrag();
        break;

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionX = MotionEventCompat.getX(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        final int pointerIndex = MotionEventCompat.getActionIndex(ev);
        final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
        if (pointerId == mActivePointerId) {
            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
            mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        }
        mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    return true;
}

---

From source file:cn.ieclipse.af.view.ScrollLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    if (debug) {//from w  w  w .j  a va2  s .c  o m
        Log.e(TAG, "onInterceptTouchEvent-slop:" + mTouchSlop);
    }

    final int action = ev.getAction();
    if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) {
        return true;
    }

    final float x = ev.getX();
    final float y = ev.getY();

    switch (action) {
    case MotionEvent.ACTION_MOVE:
        final int xDiff = (int) Math.abs(mLastMotionX - x);
        if (xDiff > mTouchSlop) {
            mTouchState = TOUCH_STATE_SCROLLING;

        }
        break;

    case MotionEvent.ACTION_DOWN:
        mLastMotionX = x;
        mLastMotionY = y;
        mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING;
        break;

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        mTouchState = TOUCH_STATE_REST;
        break;
    }

    return mTouchState != TOUCH_STATE_REST;
}

---

From source file:cn.kangeqiu.kq.activity.GroupDetailsActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // ??groupid/*  w w  w. j a  v a2 s.  com*/
    groupId = getIntent().getStringExtra("groupId");
    group = EMGroupManager.getInstance().getGroup(groupId);
    roomId = getIntent().getStringExtra("roomId");
    // we are not supposed to show the group if we don't find the group
    if (group == null) {
        finish();
        return;
    }

    setContentView(R.layout.activity_group_details);

    shareUtil = new ShareUtils(this);

    instance = this;
    st = getResources().getString(R.string.people);

    clearAllHistory = (RelativeLayout) findViewById(R.id.clear_all_history);
    userGridview = (ExpandGridView) findViewById(R.id.gridview);
    loadingPB = (ProgressBar) findViewById(R.id.progressBar);
    exitBtn = (Button) findViewById(R.id.btn_exit_grp);
    deleteBtn = (Button) findViewById(R.id.btn_exitdel_grp);
    blacklistLayout = (RelativeLayout) findViewById(R.id.rl_blacklist);
    changeGroupNameLayout = (RelativeLayout) findViewById(R.id.rl_change_group_name);

    rl_switch_block_groupmsg = (RelativeLayout) findViewById(R.id.rl_switch_block_groupmsg);

    iv_switch_block_groupmsg = (ImageView) findViewById(R.id.iv_switch_block_groupmsg);
    iv_switch_unblock_groupmsg = (ImageView) findViewById(R.id.iv_switch_unblock_groupmsg);
    hourse_name = (TextView) findViewById(R.id.hourse_name);
    invite_number = (TextView) findViewById(R.id.invite_number);
    match_name = (TextView) findViewById(R.id.match_name);
    rl_chuiniu = (RelativeLayout) findViewById(R.id.rl_chuiniu);
    rl_guess = (RelativeLayout) findViewById(R.id.rl_guess);
    rl_match_name = (RelativeLayout) findViewById(R.id.rl_match_name);
    member_sum = (TextView) findViewById(R.id.member_sum);

    rl_chuiniu.setOnClickListener(this);
    rl_guess.setOnClickListener(this);
    rl_switch_block_groupmsg.setOnClickListener(this);

    Drawable referenceDrawable = getResources().getDrawable(R.drawable.smiley_add_btn);
    referenceWidth = referenceDrawable.getIntrinsicWidth();
    referenceHeight = referenceDrawable.getIntrinsicHeight();

    if (group.getOwner() == null || "".equals(group.getOwner())
            || !group.getOwner().equals(EMChatManager.getInstance().getCurrentUser())) {
        exitBtn.setVisibility(View.GONE);
        deleteBtn.setVisibility(View.GONE);
        blacklistLayout.setVisibility(View.GONE);
        // changeGroupNameLayout.setVisibility(View.GONE);
        changeGroupNameLayout.setClickable(false);
        changeGroupNameLayout.setFocusable(false);
        findViewById(R.id.hourse_name_right).setVisibility(View.INVISIBLE);
    }
    // 
    if (EMChatManager.getInstance().getCurrentUser().equals(group.getOwner())) {
        exitBtn.setVisibility(View.GONE);
        deleteBtn.setVisibility(View.VISIBLE);
        findViewById(R.id.hourse_name_right).setVisibility(View.VISIBLE);
        findViewById(R.id.match_right).setVisibility(View.VISIBLE);
        changeGroupNameLayout.setOnClickListener(this);
        rl_match_name.setOnClickListener(this);
    }

    // ((TextView)
    // findViewById(R.id.group_name)).setText(group.getGroupName()
    // + "(" + group.getAffiliationsCount() + st);

    List<String> members = new ArrayList<String>();
    members.addAll(group.getMembers());

    adapter = new GridAdapter(this, R.layout.grid);
    userGridview.setAdapter(adapter);

    // ???group
    updateGroup();

    // OnTouchListener
    userGridview.setOnTouchListener(new OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                if (adapter.isInDeleteMode) {
                    adapter.isInDeleteMode = false;
                    adapter.notifyDataSetChanged();
                    return true;
                }
                break;
            default:
                break;
            }
            return false;
        }
    });

    clearAllHistory.setOnClickListener(this);
    blacklistLayout.setOnClickListener(this);

    initDate();
}

---

From source file:android.support.design.widget.BottomSheetBehavior.java

@Override
public boolean onInterceptTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        mIgnoreEvents = true;//from ww  w  .j  a v  a2 s  .  co  m
        return false;
    }
    int action = MotionEventCompat.getActionMasked(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    switch (action) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mTouchingScrollingChild = false;
        mActivePointerId = MotionEvent.INVALID_POINTER_ID;
        // Reset the ignore flag
        if (mIgnoreEvents) {
            mIgnoreEvents = false;
            return false;
        }
        break;
    case MotionEvent.ACTION_DOWN:
        int initialX = (int) event.getX();
        mInitialY = (int) event.getY();
        View scroll = mNestedScrollingChildRef.get();
        if (scroll != null && parent.isPointInChildBounds(scroll, initialX, mInitialY)) {
            mActivePointerId = event.getPointerId(event.getActionIndex());
            mTouchingScrollingChild = true;
        }
        mIgnoreEvents = mActivePointerId == MotionEvent.INVALID_POINTER_ID
                && !parent.isPointInChildBounds(child, initialX, mInitialY);
        break;
    }
    if (!mIgnoreEvents && mViewDragHelper.shouldInterceptTouchEvent(event)) {
        return true;
    }
    // We have to handle cases that the ViewDragHelper does not capture the bottom sheet because
    // it is not the top most view of its parent. This is not necessary when the touch event is
    // happening over the scrolling content as nested scrolling logic handles that case.
    View scroll = mNestedScrollingChildRef.get();
    return action == MotionEvent.ACTION_MOVE && scroll != null && !mIgnoreEvents && mState != STATE_DRAGGING
            && !parent.isPointInChildBounds(scroll, (int) event.getX(), (int) event.getY())
            && Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop();
}

---

From source file:cn.bingoogolapple.refreshlayout.BGAStickyNavLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    initVelocityTrackerIfNotExists();//  w  w w  . ja v a2  s. c  om
    mVelocityTracker.addMovement(event);

    float currentTouchY = event.getY();
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        if (!mOverScroller.isFinished()) {
            mOverScroller.abortAnimation();
        }

        mLastTouchY = currentTouchY;
        break;
    case MotionEvent.ACTION_MOVE:
        float differentY = currentTouchY - mLastTouchY;
        mLastTouchY = currentTouchY;
        if (Math.abs(differentY) > 0) {
            scrollBy(0, (int) -differentY);
        }
        break;
    case MotionEvent.ACTION_CANCEL:
        recycleVelocityTracker();
        if (!mOverScroller.isFinished()) {
            mOverScroller.abortAnimation();
        }
        break;
    case MotionEvent.ACTION_UP:
        mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
        int initialVelocity = (int) mVelocityTracker.getYVelocity();
        if ((Math.abs(initialVelocity) > mMinimumVelocity)) {
            fling(-initialVelocity);
        }
        recycleVelocityTracker();
        break;
    }
    return true;
}

---

From source file:android.support.designox.widget.BottomSheetBehavior.java

@Override
public boolean onTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        return false;
    }/* w  ww  .j  a va  2 s .c o  m*/
    int action = MotionEventCompat.getActionMasked(event);
    if (mState == STATE_DRAGGING && action == MotionEvent.ACTION_DOWN) {
        return true;
    }
    mViewDragHelper.processTouchEvent(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    // The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
    // to capture the bottom sheet in case it is not captured and the touch slop is passed.
    if (action == MotionEvent.ACTION_MOVE) {
        if (Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop()) {
            mViewDragHelper.captureChildView(child, event.getPointerId(event.getActionIndex()));
        }
    }
    return true;
}

---

From source file:com.quarterfull.newsAndroid.NewsDetailFragment.java

@SuppressLint("SetJavaScriptEnabled")
private void init_webView() {
    int backgroundColor = ColorHelper.getColorFromAttribute(getContext(), R.attr.news_detail_background_color);
    mWebView.setBackgroundColor(backgroundColor);

    WebSettings webSettings = mWebView.getSettings();
    webSettings.setJavaScriptEnabled(true);
    webSettings.setAllowFileAccess(true);
    webSettings.setDomStorageEnabled(true);
    webSettings.setJavaScriptCanOpenWindowsAutomatically(false);
    webSettings.setSupportMultipleWindows(false);
    webSettings.setSupportZoom(false);//from  www .j a va  2s .  c o  m
    webSettings.setAppCacheEnabled(true);

    registerForContextMenu(mWebView);

    mWebView.setWebChromeClient(new WebChromeClient() {
        @Override
        public boolean onConsoleMessage(ConsoleMessage cm) {
            Log.v(TAG, cm.message() + " at " + cm.sourceId() + ":" + cm.lineNumber());
            return true;
        }

        @Override
        public void onProgressChanged(WebView view, int progress) {
            if (progress < 100 && mProgressbarWebView.getVisibility() == ProgressBar.GONE) {
                mProgressbarWebView.setVisibility(ProgressBar.VISIBLE);
            }
            mProgressbarWebView.setProgress(progress);
            if (progress == 100) {
                mProgressbarWebView.setVisibility(ProgressBar.GONE);

                //The following three lines are a workaround for websites which don't use a background color
                int bgColor = ContextCompat.getColor(getContext(),
                        R.color.slider_listview_text_color_dark_theme);
                NewsDetailActivity ndActivity = ((NewsDetailActivity) getActivity());
                mWebView.setBackgroundColor(bgColor);
                ndActivity.mViewPager.setBackgroundColor(bgColor);

                if (ThemeChooser.isDarkTheme(getActivity())) {
                    mWebView.setBackgroundColor(
                            ContextCompat.getColor(getContext(), android.R.color.transparent));
                }
            }
        }
    });

    mWebView.setWebViewClient(new WebViewClient() {

        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            if (changedUrl) {
                changedUrl = false;

                if (!url.equals("file:///android_asset/") && (urls.isEmpty() || !urls.get(0).equals(url))) {
                    urls.add(0, url);

                    Log.v(TAG, "Page finished (added): " + url);
                }
            }

            super.onPageStarted(view, url, favicon);
        }
    });

    mWebView.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (v.getId() == R.id.webview && event.getAction() == MotionEvent.ACTION_DOWN) {
                changedUrl = true;
            }

            return false;
        }
    });
}

---

From source file:com.android.nobug.view.viewpager.indicator.CirclePageIndicator.java

public boolean onTouchEvent(MotionEvent ev) {
    if (super.onTouchEvent(ev)) {
        return true;
    }//from   w  w w  .  j ava  2s .com

    if ((mViewPager == null) || (mViewPager.getAdapter().getCount() == 0)) {
        return false;
    }

    final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
        mLastMotionX = ev.getX();
        break;

    case MotionEvent.ACTION_MOVE: {
        final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
        final float x = MotionEventCompat.getX(ev, activePointerIndex);
        final float deltaX = x - mLastMotionX;

        if (!mIsDragging) {
            if (Math.abs(deltaX) > mTouchSlop) {
                mIsDragging = true;
            }
        }

        if (mIsDragging) {
            mLastMotionX = x;
            if (mViewPager.isFakeDragging() || mViewPager.beginFakeDrag()) {
                mViewPager.fakeDragBy(deltaX);
            }
        }

        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (!mIsDragging) {
            final int count = mViewPager.getAdapter().getCount();
            final int width = getWidth();
            final float halfWidth = width / 2f;
            final float sixthWidth = width / 6f;

            if ((mCurrentPage > 0) && (ev.getX() < halfWidth - sixthWidth)) {
                if (action != MotionEvent.ACTION_CANCEL) {
                    mViewPager.setCurrentItem(mCurrentPage - 1);
                }
                return true;
            } else if ((mCurrentPage < count - 1) && (ev.getX() > halfWidth + sixthWidth)) {
                if (action != MotionEvent.ACTION_CANCEL) {
                    mViewPager.setCurrentItem(mCurrentPage + 1);
                }
                return true;
            }
        }

        mIsDragging = false;
        mActivePointerId = INVALID_POINTER;
        if (mViewPager.isFakeDragging())
            mViewPager.endFakeDrag();
        break;

    case MotionEventCompat.ACTION_POINTER_DOWN: {
        final int index = MotionEventCompat.getActionIndex(ev);
        mLastMotionX = MotionEventCompat.getX(ev, index);
        mActivePointerId = MotionEventCompat.getPointerId(ev, index);
        break;
    }

    case MotionEventCompat.ACTION_POINTER_UP:
        final int pointerIndex = MotionEventCompat.getActionIndex(ev);
        final int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex);
        if (pointerId == mActivePointerId) {
            final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
            mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex);
        }
        mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId));
        break;
    }

    return true;
}

---

From source file:biz.laenger.android.vpbs.ViewPagerBottomSheetBehavior.java

@Override
public boolean onInterceptTouchEvent(CoordinatorLayout parent, V child, MotionEvent event) {
    if (!child.isShown()) {
        mIgnoreEvents = true;/*from w  w w . jav a2s  .  co  m*/
        return false;
    }
    int action = MotionEventCompat.getActionMasked(event);
    // Record the velocity
    if (action == MotionEvent.ACTION_DOWN) {
        reset();
    }
    if (mVelocityTracker == null) {
        mVelocityTracker = VelocityTracker.obtain();
    }
    mVelocityTracker.addMovement(event);
    switch (action) {
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mTouchingScrollingChild = false;
        mActivePointerId = MotionEvent.INVALID_POINTER_ID;
        // Reset the ignore flag
        if (mIgnoreEvents) {
            mIgnoreEvents = false;
            return false;
        }
        break;
    case MotionEvent.ACTION_DOWN:
        int initialX = (int) event.getX();
        mInitialY = (int) event.getY();
        for (WeakReference<View> scrollableView : scrollableViews) {
            View scroll = scrollableView.get();
            if (scroll != null && parent.isPointInChildBounds(scroll, initialX, mInitialY)) {
                mActivePointerId = event.getPointerId(event.getActionIndex());
                mTouchingScrollingChild = true;
                break;
            }
        }

        mIgnoreEvents = mActivePointerId == MotionEvent.INVALID_POINTER_ID
                && !parent.isPointInChildBounds(child, initialX, mInitialY);
        break;
    }
    if (!mIgnoreEvents && mViewDragHelper.shouldInterceptTouchEvent(event)) {
        return true;
    }
    // We have to handle cases that the ViewDragHelper does not capture the bottom sheet because
    // it is not the top most view of its parent. This is not necessary when the touch event is
    // happening over the scrolling content as nested scrolling logic handles that case.
    boolean isPointInChildBounds = false;

    for (WeakReference<View> scrollableView : scrollableViews) {
        isPointInChildBounds = scrollableView.get() != null
                && parent.isPointInChildBounds(scrollableView.get(), (int) event.getX(), (int) event.getY());
        if (isPointInChildBounds) {
            break;
        }
    }

    return action == MotionEvent.ACTION_MOVE && !mIgnoreEvents && mState != STATE_DRAGGING
            && !isPointInChildBounds && Math.abs(mInitialY - event.getY()) > mViewDragHelper.getTouchSlop();
}

---

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