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:cn.oddcloud.www.navigationtabbar.ntb.NavigationTabBar.java

@Override
public boolean onTouchEvent(final MotionEvent event) {
    // Return if animation is running
    if (mAnimator.isRunning())
        return true;
    // If is not idle state, return
    if (mScrollState != ViewPager.SCROLL_STATE_IDLE)
        return true;

    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        // Action down touch
        mIsActionDown = true;//from   w  w  w . j a  v  a 2 s .c  om
        if (!mIsViewPagerMode)
            break;
        if (!mIsSwiped)
            break;
        // Detect if we touch down on pointer, later to move
        if (mIsHorizontalOrientation)
            mIsPointerActionDown = (int) (event.getX() / mModelSize) == mIndex;
        else
            mIsPointerActionDown = (int) (event.getY() / mModelSize) == mIndex;
        break;
    case MotionEvent.ACTION_MOVE:
        // If pointer touched, so move
        if (mIsPointerActionDown) {
            if (mIsHorizontalOrientation)
                mViewPager.setCurrentItem((int) (event.getX() / mModelSize), true);
            else
                mViewPager.setCurrentItem((int) (event.getY() / mModelSize), true);
            break;
        }
        if (mIsActionDown)
            break;
    case MotionEvent.ACTION_UP:
        // Press up and set model index relative to current coordinate
        if (mIsActionDown) {
            playSoundEffect(SoundEffectConstants.CLICK);
            if (mIsHorizontalOrientation)
                setModelIndex((int) (event.getX() / mModelSize));
            else
                setModelIndex((int) (event.getY() / mModelSize));
        }
    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_OUTSIDE:
    default:
        // Reset action touch variables
        mIsPointerActionDown = false;
        mIsActionDown = false;
        break;
    }

    return true;
}

---

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

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    Log.i(TAG, "onInterceptTouchEvent()");
    final int action = MotionEventCompat.getActionMasked(ev);
    final boolean interceptForDrag = mBottomDragger.shouldInterceptTouchEvent(ev);

    boolean interceptForTap = false;

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        Log.i(TAG, "onInterceptTouchEvent() -- ACTION_DOWN");
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;//from  w  ww. j ava2  s .c om
        mInitialMotionY = y;
        if (mScrimOpacity > 0 && isContentView(mBottomDragger.findTopChildUnder((int) x, (int) y))) {
            interceptForTap = true;
        }
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        Log.i(TAG, "onInterceptTouchEvent() -- ACTION_MOVE");
        if (mBottomDragger.checkTouchSlop(ViewDragHelper.DIRECTION_ALL)) {
            Log.i(TAG, "onInterceptTouchEvent() -- ACTION_MOVE -- 2");
            mBottomCallback.removeCallbacks();
        }
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP: {
        closeDrawers(true);
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
    }
    }
    boolean result = interceptForDrag || interceptForTap || hasPeekingDrawer() || mChildrenCanceledTouch;
    Log.i(TAG, "onInterceptTouchEvent() -- result = " + result);
    return result;
}

---

From source file:com.aidy.launcher3.support.views.bottomdrawer.BottomDrawerLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    Log.i(TAG, "onInterceptTouchEvent()");
    final int action = MotionEventCompat.getActionMasked(ev);
    final boolean interceptForDrag = mBottomDragger.shouldInterceptTouchEvent(ev);

    boolean interceptForTap = false;

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        Log.i(TAG, "onInterceptTouchEvent() -- ACTION_DOWN");
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;//from   w  ww.j  a  v a  2 s .co  m
        mInitialMotionY = y;
        if (mScrimOpacity > 0 && isContentView(mBottomDragger.findTopChildUnder((int) x, (int) y))) {
            interceptForTap = true;
        }
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;

        break;
    }

    case MotionEvent.ACTION_MOVE: {
        Log.i(TAG, "onInterceptTouchEvent() -- ACTION_MOVE");
        if (mBottomDragger.checkTouchSlop(ViewDragHelper.DIRECTION_ALL)) {
            Log.i(TAG, "onInterceptTouchEvent() -- ACTION_MOVE -- 2");
            mBottomCallback.removeCallbacks();
        }
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP: {
        closeDrawers(true);
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
    }
    }
    boolean result = interceptForDrag || interceptForTap || hasPeekingDrawer() || mChildrenCanceledTouch;
    Log.i(TAG, "onInterceptTouchEvent() -- result = " + result);
    return result;
}

---

From source file:cn.zmdx.kaka.locker.widget.SlidingPaneLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);

    // Preserve the open state based on the last view that was touched.
    if (!mCanSlide && action == MotionEvent.ACTION_DOWN && getChildCount() > 1) {
        // After the first things will be slideable.
        final View secondChild = getChildAt(1);
        if (secondChild != null) {
            mPreservedOpenState = !mDragHelper.isViewUnder(secondChild, (int) ev.getX(), (int) ev.getY());
        }/*from   w  w w .jav a2 s  .co m*/
    }

    if (!mCanSlide || (mIsUnableToDrag && action != MotionEvent.ACTION_DOWN)) {
        mDragHelper.cancel();
        return super.onInterceptTouchEvent(ev);
    }

    if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
        mDragHelper.cancel();
        return false;
    }

    boolean interceptTap = false;

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        mIsUnableToDrag = false;
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;
        mInitialMotionY = y;

        if (mDragHelper.isViewUnder(mSlideableView, (int) x, (int) y) && isDimmed(mSlideableView)) {
            interceptTap = true;
        }
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        final float x = ev.getX();
        final float y = ev.getY();
        final float adx = Math.abs(x - mInitialMotionX);
        final float deltaX = x - mInitialMotionX;
        final float ady = Math.abs(y - mInitialMotionY);
        final int slop = mDragHelper.getTouchSlop();
        if ((adx > slop && ady > adx) || deltaX < 0) {
            mDragHelper.cancel();
            mIsUnableToDrag = true;
            return false;
        }
    }
    }

    final boolean interceptForDrag = mDragHelper.shouldInterceptTouchEvent(ev);

    return interceptForDrag || interceptTap;
}

---

From source file:com.albedinsky.android.ui.widget.SearchView.java

/**
 *///from  w  w w  .  j  av a 2 s.c  o  m
@Override
public boolean onTouchEvent(@NonNull MotionEvent event) {
    // SearchView is expected to be used mainly above or at the place of toolbar so it will handle
    // touch events like the Toolbar widget.
    final int action = event.getAction() & MotionEvent.ACTION_MASK;
    if (action == MotionEvent.ACTION_DOWN) {
        this.mEatingTouch = false;
    }
    if (!mEatingTouch) {
        final boolean handled = super.onTouchEvent(event);
        if (action == MotionEvent.ACTION_DOWN && !handled) {
            this.mEatingTouch = true;
        }
    }
    if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
        this.mEatingTouch = false;
    }
    return true;
}

---

From source file:cn.emagsoftware.ui.BugFixedSlidingPaneLayout.java

@Override
public boolean onTouchEvent(MotionEvent ev) {
    try {//from  w  w w.  j a v  a 2 s .co m
        if (!mCanSlide) {
            return super.onTouchEvent(ev);
        }

        mDragHelper.processTouchEvent(ev);

        final int action = ev.getAction();
        boolean wantTouchEvents = true;

        switch (action & MotionEventCompat.ACTION_MASK) {
        case MotionEvent.ACTION_DOWN: {
            final float x = ev.getX();
            final float y = ev.getY();
            mInitialMotionX = x;
            mInitialMotionY = y;
            break;
        }

        case MotionEvent.ACTION_UP: {
            if (isDimmed(mSlideableView)) {
                final float x = ev.getX();
                final float y = ev.getY();
                final float dx = x - mInitialMotionX;
                final float dy = y - mInitialMotionY;
                final int slop = mDragHelper.getTouchSlop();
                if (dx * dx + dy * dy < slop * slop
                        && mDragHelper.isViewUnder(mSlideableView, (int) x, (int) y)) {
                    // Taps close a dimmed open pane.
                    closePane(mSlideableView, 0);
                    break;
                }
            }
            break;
        }
        }

        return wantTouchEvents;
    } catch (ArrayIndexOutOfBoundsException e) {
        LogManager.logE(BugFixedSlidingPaneLayout.class,
                "internal bug in SlidingPaneLayout,this bug can be ignored in most cases.", e);
        return false;
    } catch (IllegalArgumentException e) {
        LogManager.logE(BugFixedSlidingPaneLayout.class,
                "internal bug in SlidingPaneLayout,this bug can be ignored in most cases.", e);
        return false;
    }
}

---

From source file:com.actionbarsherlock.custom.widget.VerticalDrawerLayout.java

@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
    final int action = MotionEventCompat.getActionMasked(ev);

    // "|" used deliberately here; both methods should be invoked.
    final boolean interceptForDrag = mTopDragger.shouldInterceptTouchEvent(ev)
            | mBottomDragger.shouldInterceptTouchEvent(ev);

    boolean interceptForTap = false;

    switch (action) {
    case MotionEvent.ACTION_DOWN: {
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;//from  w  w w.ja v a  2s  .c o m
        mInitialMotionY = y;
        if (mScrimOpacity > 0 && isContentView(mTopDragger.findTopChildUnder((int) x, (int) y))) {
            interceptForTap = true;
        }
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        // If we cross the touch slop, don't perform the delayed peek for an edge touch.
        if (mTopDragger.checkTouchSlop(ViewDragHelper.DIRECTION_ALL)) {
            mTopCallback.removeCallbacks();
            mBottomCallback.removeCallbacks();
        }
        break;
    }

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP: {
        closeDrawers(true);
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
    }
    }

    return interceptForDrag || interceptForTap || hasPeekingDrawer() || mChildrenCanceledTouch;
}

---

From source file:radu.pidroid.Controller.java

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    int action = motionEvent.getActionMasked();

    switch (view.getId()) {

    case R.id.forwardsPowerImageView:
        ///*from  w w  w  .  ja v  a 2  s  .  co  m*/
        if (action == MotionEvent.ACTION_DOWN) {
            if (roverAccelerationState != ROVER_STOPPED && roverDirection != ROVER_FORWARDS) {
                roverAccelerationState = ROVER_STOPPED;
                mMessenger.updateRoverSpeed(roverSpeed = 0);
            } // if
            else {
                roverDirection = ROVER_FORWARDS;
                roverAccelerationState = ROVER_ACCELERATING;
                resetTimer(new roverSpeedTask());
            } // else
        } // if
        else
        //
        if ((action == MotionEvent.ACTION_UP || !isTouchOnView(view, motionEvent))
                && roverAccelerationState != ROVER_DECELERATING) {
            roverAccelerationState = ROVER_DECELERATING;
            resetTimer(new roverSpeedTask());
        } // if
        break;

    case R.id.backwardsPowerImageView:
        //
        if (action == MotionEvent.ACTION_DOWN) {
            if (roverAccelerationState != ROVER_STOPPED && roverDirection != ROVER_BACKWARDS) {
                roverAccelerationState = ROVER_STOPPED;
                mMessenger.updateRoverSpeed(roverSpeed = 0);
            } // if
            else {
                roverDirection = ROVER_BACKWARDS;
                roverAccelerationState = ROVER_ACCELERATING;
                resetTimer(new roverSpeedTask());
            } // else
        } // if
        else if ((action == MotionEvent.ACTION_UP || !isTouchOnView(view, motionEvent))
                && roverAccelerationState != ROVER_DECELERATING) {
            roverAccelerationState = ROVER_DECELERATING;
            resetTimer(new roverSpeedTask());
        } // if
        break;

    default:
        Log.e("OnTouch:", "wut?");
    } // switch
    return true;
}

---

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

@Override
public boolean onTouchEvent(MotionEvent ev) {
    Log.i(TAG, "onTouchEvent()");
    mBottomDragger.processTouchEvent(ev);
    final int action = ev.getAction();
    boolean wantTouchEvents = true;
    switch (action & MotionEventCompat.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN: {
        Log.i(TAG, "onTouchEvent() -- ACTION_DOWN");
        final float x = ev.getX();
        final float y = ev.getY();
        mInitialMotionX = x;/*w  ww  . java 2 s  .c o  m*/
        mInitialMotionY = y;
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }

    case MotionEvent.ACTION_UP: {
        Log.i(TAG, "onTouchEvent() -- ACTION_UP");
        final float x = ev.getX();
        final float y = ev.getY();
        boolean peekingOnly = true;
        final View touchedView = mBottomDragger.findTopChildUnder((int) x, (int) y);
        if (touchedView != null && isContentView(touchedView)) {
            final float dx = x - mInitialMotionX;
            final float dy = y - mInitialMotionY;
            final int slop = mBottomDragger.getTouchSlop();
            if (dx * dx + dy * dy < slop * slop) {
                // Taps close a dimmed open drawer but only if it isn't
                // locked open.
                final View openDrawer = findOpenDrawer();
                if (openDrawer != null) {
                    peekingOnly = getDrawerLockMode(openDrawer) == LOCK_MODE_LOCKED_OPEN;
                }
            }
        }
        closeDrawers(peekingOnly);
        mDisallowInterceptRequested = false;
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        Log.i(TAG, "onTouchEvent() -- ACTION_CANCEL");
        closeDrawers(true);
        mDisallowInterceptRequested = false;
        mChildrenCanceledTouch = false;
        break;
    }
    }

    boolean result = wantTouchEvents;
    Log.i(TAG, "onTouchEvent() -- result = " + result);
    return result;
}

---

From source file:keyboard.ecloga.com.eclogakeyboard.EclogaKeyboard.java

@Override
public boolean onTouch(View v, final MotionEvent event) {
    mGestureDetector.onTouchEvent(event);

    if (event.getPointerCount() > 1) {
        return true;
    }//from  www . j a  v a 2 s  .  com

    switch (event.getAction() & MotionEvent.ACTION_MASK) {
    case MotionEvent.ACTION_DOWN:
        mDownX = event.getX();
        mDownY = event.getY();
        isOnClick = true;
        break;
    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
        if (isOnClick) {
            swipe = false;
        }
        break;
    case MotionEvent.ACTION_MOVE:
        if (isOnClick && (Math.abs(mDownX - event.getX()) > 120 || Math.abs(mDownY - event.getY()) > 120)) {
            swipe = true;
            isOnClick = false;
        }
        break;
    default:
        break;
    }

    return false;
}

---

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