List of usage examples for android.support.v4.view MotionEventCompat ACTION_MASK
int ACTION_MASK
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From source file:com.app.afteryou.ui.staggered.StaggeredGridView.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*from www . j a v a 2s .c o m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode == TOUCH_MODE_FLINGING) { // Catch! setTouchMode(TOUCH_MODE_DRAGGING); return true; } break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { setTouchMode(TOUCH_MODE_DRAGGING); return true; } } } return false; }
From source file:me.futuretechnology.util.ui.TitlePageIndicator.java
@Override public boolean onTouchEvent(@NonNull android.view.MotionEvent ev) { if (super.onTouchEvent(ev)) { return true; }/* w w w . j a v a 2 s .c om*/ if (mViewPager == null || mViewPager.getAdapter().getCount() == 0) { return false; } int action = ev.getAction(); switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mLastMotionX = ev.getX(); break; case MotionEvent.ACTION_MOVE: int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); float x = MotionEventCompat.getX(ev, activePointerIndex); 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) { int count = mViewPager.getAdapter().getCount(); int width = getWidth(); float halfWidth = width / 2f; float sixthWidth = width / 6f; float leftThird = halfWidth - sixthWidth; float rightThird = halfWidth + sixthWidth; float eventX = ev.getX(); if (eventX < leftThird) { if (mCurrentPage > 0) { mViewPager.setCurrentItem(mCurrentPage - 1); return true; } } else if (eventX > rightThird) { if (mCurrentPage < count - 1) { mViewPager.setCurrentItem(mCurrentPage + 1); return true; } } else { // middle third if (mCenterItemClickListener != null) { mCenterItemClickListener.onCenterItemClick(mCurrentPage); } } } mIsDragging = false; mActivePointerId = INVALID_POINTER; if (mViewPager.isFakeDragging()) { mViewPager.endFakeDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: int index = MotionEventCompat.getActionIndex(ev); mLastMotionX = MotionEventCompat.getX(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; case MotionEventCompat.ACTION_POINTER_UP: int pointerIndex = MotionEventCompat.getActionIndex(ev); int pointerId = MotionEventCompat.getPointerId(ev, pointerIndex); if (pointerId == mActivePointerId) { int newPointerIndex = pointerIndex == 0 ? 1 : 0; mActivePointerId = MotionEventCompat.getPointerId(ev, newPointerIndex); } mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; default: break; } return true; }
From source file:com.android.backups.BackupStaggeredGridView.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/* www .j a v a2 s . c o m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode == TOUCH_MODE_FLINGING) { // Catch! mTouchMode = TOUCH_MODE_DRAGGING; setTouchMode(mTouchMode); return true; } break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; setTouchMode(mTouchMode); return true; } } } return false; }
From source file:com.rajul.staggeredgridview.StaggeredGridView.java
@Override public boolean onTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);//from w w w.j ava 2s .c o m final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; int motionPosition = pointToPosition((int) ev.getX(), (int) ev.getY()); switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mLastTouchX = ev.getX(); motionPosition = pointToPosition((int) mLastTouchX, (int) mLastTouchY); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode != TOUCH_MODE_FLINGING && !mDataChanged && motionPosition >= 0 && getAdapter().isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_DOWN; if (mPendingCheckForTap == null) { mPendingCheckForTap = new CheckForTap(); } postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); } mMotionPosition = motionPosition; ViewCompat.postInvalidateOnAnimation(this); break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { setTouchMode(TOUCH_MODE_DRAGGING); } if (mTouchMode == TOUCH_MODE_DRAGGING) { mLastTouchY = y; if (!trackMotionScroll(deltaY, true)) { // Break fling velocity if we impacted an edge. mVelocityTracker.clear(); } } } break; case MotionEvent.ACTION_CANCEL: setTouchMode(TOUCH_MODE_IDLE); mTouchMode = TOUCH_MODE_IDLE; setPressed(false); View motionView = this.getChildAt(mMotionPosition - mFirstPosition); if (motionView != null) { motionView.setPressed(false); } final Handler handler = getHandler(); if (handler != null) { handler.removeCallbacks(mPendingCheckForLongPress); } if (mTopEdge != null) { mTopEdge.onRelease(); mBottomEdge.onRelease(); } break; case MotionEvent.ACTION_UP: { mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); final float velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId); final int prevTouchMode = mTouchMode; if (Math.abs(velocity) > mFlingVelocity) { // TODO mTouchMode = TOUCH_MODE_FLINGING; setTouchMode(TOUCH_MODE_FLINGING); mScroller.fling(0, 0, 0, (int) velocity, 0, 0, Integer.MIN_VALUE, Integer.MAX_VALUE); mLastTouchY = 0; ViewCompat.postInvalidateOnAnimation(this); } else { mTouchMode = TOUCH_MODE_IDLE; setTouchMode(TOUCH_MODE_IDLE); } if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { // TODO : handle mTouchMode = TOUCH_MODE_TAP; } else { mTouchMode = TOUCH_MODE_REST; updateSelectorState(); } switch (prevTouchMode) { case TOUCH_MODE_DOWN: case TOUCH_MODE_TAP: case TOUCH_MODE_DONE_WAITING: final View child = getChildAt(motionPosition - mFirstPosition); final float x = ev.getX(); final boolean inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight(); if (child != null && !child.hasFocusable() && inList) { if (mTouchMode != TOUCH_MODE_DOWN) { child.setPressed(false); } if (mPerformClick == null) { // TODO ViewCompat.postInvalidateOnAnimation(this); mPerformClick = new PerformClick(); } final PerformClick performClick = mPerformClick; performClick.mClickMotionPosition = motionPosition; performClick.rememberWindowAttachCount(); if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { final Handler handlerTouch = getHandler(); if (handlerTouch != null) { handlerTouch.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap : mPendingCheckForLongPress); } if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_TAP; layoutChildren(mDataChanged); child.setPressed(true); positionSelector(mMotionPosition, child); setPressed(true); if (mSelector != null) { Drawable d = mSelector.getCurrent(); if (d != null && d instanceof TransitionDrawable) { ((TransitionDrawable) d).resetTransition(); } } if (mTouchModeReset != null) { removeCallbacks(mTouchModeReset); } mTouchModeReset = new Runnable() { @Override public void run() { mTouchMode = TOUCH_MODE_REST; child.setPressed(false); setPressed(false); if (!mDataChanged) { performClick.run(); } } }; postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration()); } else { mTouchMode = TOUCH_MODE_REST; updateSelectorState(); } return true; } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { performClick.run(); } } mTouchMode = TOUCH_MODE_REST; updateSelectorState(); } updateSelectorState(); } break; } return true; }
From source file:mrfu.blurstaggered.lib.view.StaggeredGridView.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*from w w w . j a v a2 s.c o m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode == TOUCH_MODE_FLINGING) { // Catch! mTouchMode = TOUCH_MODE_DRAGGING; //TODO MrFu setTouchMode(TOUCH_MODE_DRAGGING); return true; } break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; //TODO MrFu setTouchMode(TOUCH_MODE_DRAGGING); return true; } } } return false; }
From source file:com.runnirr.doodleviewer.display.SlidingLayer.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (!mEnabled || !mIsDragging && !mLastTouchAllowed && !allowSlidingFromHereX(ev, mInitialX) && !allowSlidingFromHereY(ev, mInitialY)) { return false; }//from ww w.j av a 2 s . com final int action = ev.getAction(); if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_OUTSIDE) { mLastTouchAllowed = false; } else { mLastTouchAllowed = true; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: completeScroll(); // Remember where the motion event started mLastX = mInitialX = ev.getX(); mLastY = mInitialY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); break; case MotionEvent.ACTION_MOVE: if (!mIsDragging) { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex == -1) { mActivePointerId = INVALID_POINTER; break; } final float x = MotionEventCompat.getX(ev, pointerIndex); final float xDiff = Math.abs(x - mLastX); final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = Math.abs(y - mLastY); if (xDiff > mTouchSlop && xDiff > yDiff) { mIsDragging = true; mLastX = x; setDrawingCacheEnabled(true); } else if (yDiff > mTouchSlop && yDiff > xDiff) { mIsDragging = true; mLastY = y; setDrawingCacheEnabled(true); } } if (mIsDragging) { // Scroll to follow the motion event final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (activePointerIndex == -1) { mActivePointerId = INVALID_POINTER; break; } final float x = MotionEventCompat.getX(ev, activePointerIndex); final float y = MotionEventCompat.getY(ev, activePointerIndex); final float deltaX = mLastX - x; final float deltaY = mLastY - y; mLastX = x; mLastY = y; final float oldScrollX = getScrollX(); final float oldScrollY = getScrollY(); float scrollX = oldScrollX + deltaX; float scrollY = oldScrollY + deltaY; // Log.d("Layer", String.format("Layer scrollX[%f],scrollY[%f]", scrollX, scrollY)); final float leftBound, rightBound; final float bottomBound, topBound; switch (mScreenSide) { case STICK_TO_LEFT: topBound = bottomBound = rightBound = 0; leftBound = getWidth(); // How far left we can scroll break; case STICK_TO_MIDDLE: topBound = getHeight(); bottomBound = -getHeight(); leftBound = getWidth(); rightBound = -getWidth(); break; case STICK_TO_RIGHT: rightBound = -getWidth(); topBound = bottomBound = leftBound = 0; break; case STICK_TO_TOP: topBound = getHeight(); bottomBound = rightBound = leftBound = 0; break; case STICK_TO_BOTTOM: topBound = rightBound = leftBound = 0; bottomBound = -getHeight(); break; default: topBound = bottomBound = rightBound = leftBound = 0; break; } if (scrollX > leftBound) { scrollX = leftBound; } else if (scrollX < rightBound) { scrollX = rightBound; } if (scrollY > topBound) { scrollY = topBound; } else if (scrollY < bottomBound) { scrollY = bottomBound; } // TODO top/bottom bounds // Keep the precision mLastX += scrollX - (int) scrollX; mLastY += scrollY - (int) scrollY; scrollTo((int) scrollX, (int) scrollY); } break; case MotionEvent.ACTION_UP: if (mIsDragging) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); final int initialVelocityX = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); final int initialVelocityY = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); final int scrollX = getScrollX(); final int scrollY = getScrollY(); final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, activePointerIndex); final float y = MotionEventCompat.getY(ev, activePointerIndex); final int totalDeltaX = (int) (x - mInitialX); final int totalDeltaY = (int) (y - mInitialY); boolean nextStateOpened = determineNextStateOpened(mIsOpen, scrollX, scrollY, initialVelocityX, initialVelocityY, totalDeltaX, totalDeltaY); switchLayer(nextStateOpened, true, true, initialVelocityX, initialVelocityY); mActivePointerId = INVALID_POINTER; endDrag(); } else if (mIsOpen && closeOnTapEnabled) { closeLayer(true); } else if (!mIsOpen && openOnTapEnabled) { openLayer(true); } break; case MotionEvent.ACTION_CANCEL: if (mIsDragging) { switchLayer(mIsOpen, true, true); mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastX = MotionEventCompat.getX(ev, index); mLastY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); mLastY = MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (mActivePointerId == INVALID_POINTER) { mLastTouchAllowed = false; } return true; }
From source file:cn.iterlog.myapplication.widget.overscroll.StaggeredGridView.java
@Override public boolean onTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);//from www . ja va 2 s . co m final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; int motionPosition = pointToPosition((int) ev.getX(), (int) ev.getY()); switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mLastTouchX = ev.getX(); motionPosition = pointToPosition((int) mLastTouchX, (int) mLastTouchY); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode != TOUCH_MODE_FLINGING && !mDataChanged && motionPosition >= 0 && mAdapter != null && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_DOWN; mBeginClick = true; if (mPendingCheckForTap == null) { mPendingCheckForTap = new CheckForTap(); } postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); } mMotionPosition = motionPosition; invalidate(); break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; } if (mTouchMode == TOUCH_MODE_DRAGGING) { mLastTouchY = y; if (!trackMotionScroll(deltaY, true)) { // Break fling velocity if we impacted an edge. mVelocityTracker.clear(); } } updateSelectorState(); } break; case MotionEvent.ACTION_CANCEL: mTouchMode = TOUCH_MODE_IDLE; updateSelectorState(); setPressed(false); View motionView = this.getChildAt(mMotionPosition - mFirstPosition); if (motionView != null) { motionView.setPressed(false); } final Handler handler = getHandler(); if (handler != null) { handler.removeCallbacks(mPendingCheckForLongPress); } if (mTopEdge != null) { mTopEdge.onRelease(); mBottomEdge.onRelease(); } mTouchMode = TOUCH_MODE_IDLE; break; case MotionEvent.ACTION_UP: { mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); final float velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId); final int prevTouchMode = mTouchMode; if (Math.abs(velocity) > mFlingVelocity) { // TODO mTouchMode = TOUCH_MODE_FLINGING; mScroller.fling(0, 0, 0, (int) velocity, 0, 0, Integer.MIN_VALUE, Integer.MAX_VALUE); mLastTouchY = 0; invalidate(); } else { mTouchMode = TOUCH_MODE_IDLE; } if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { // TODO : handle mTouchMode = TOUCH_MODE_TAP; } else { mTouchMode = TOUCH_MODE_REST; } switch (prevTouchMode) { case TOUCH_MODE_DOWN: case TOUCH_MODE_TAP: case TOUCH_MODE_DONE_WAITING: final View child = getChildAt(motionPosition - mFirstPosition); final float x = ev.getX(); final boolean inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight(); if (child != null && !child.hasFocusable() && inList) { if (mTouchMode != TOUCH_MODE_DOWN) { child.setPressed(false); } if (mPerformClick == null) { invalidate(); mPerformClick = new PerformClick(); } final PerformClick performClick = mPerformClick; performClick.mClickMotionPosition = motionPosition; performClick.rememberWindowAttachCount(); if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { final Handler handlerTouch = getHandler(); if (handlerTouch != null) { handlerTouch.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap : mPendingCheckForLongPress); } if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_TAP; layoutChildren(mDataChanged); child.setPressed(true); positionSelector(mMotionPosition, child); setPressed(true); if (mSelector != null) { Drawable d = mSelector.getCurrent(); if (d != null && d instanceof TransitionDrawable) { ((TransitionDrawable) d).resetTransition(); } } if (mTouchModeReset != null) { removeCallbacks(mTouchModeReset); } mTouchModeReset = new Runnable() { @Override public void run() { mTouchMode = TOUCH_MODE_REST; child.setPressed(false); setPressed(false); if (!mDataChanged) { performClick.run(); } } }; postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration()); } else { mTouchMode = TOUCH_MODE_REST; } return true; } else if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { performClick.run(); } } mTouchMode = TOUCH_MODE_REST; } mBeginClick = false; updateSelectorState(); } break; } return true; }
From source file:com.bolaa.medical.view.pulltorefreshgrid.StaggeredGridView.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*w w w . jav a2 s . co m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; switch (action) { case MotionEvent.ACTION_DOWN: LogUtil.d("--------------onInterceptTouchEvent ACTION_DOWN---------"); mFirstDownY = ev.getRawY(); mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode == TOUCH_MODE_FLINGING) { // Catch! mTouchMode = TOUCH_MODE_DRAGGING; reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL, getFirstVisiblePosition(), getLastPosition()); return true; } break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; reportScrollStateChange(OnScrollListener.SCROLL_STATE_TOUCH_SCROLL, getFirstVisiblePosition(), getLastPosition()); return true; } } } return false; }
From source file:com.biznow.ordernow.fragments.StaggeredGridView.java
@Override public boolean onTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*from w ww .java2 s. c o m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; int motionPosition = pointToPosition((int) ev.getX(), (int) ev.getY()); switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mLastTouchX = ev.getX(); motionPosition = pointToPosition((int) mLastTouchX, (int) mLastTouchY); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode != TOUCH_MODE_FLINGING && !mDataChanged && motionPosition >= 0 && mAdapter != null && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_DOWN; mBeginClick = true; if (mPendingCheckForTap == null) { mPendingCheckForTap = new CheckForTap(); } postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); } mMotionPosition = motionPosition; invalidate(); break; case MotionEvent.ACTION_MOVE: { final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Utilities.error(TAG + "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; } if (mTouchMode == TOUCH_MODE_DRAGGING) { mLastTouchY = y; if (!trackMotionScroll(deltaY, true)) { // Break fling velocity if we impacted an edge. mVelocityTracker.clear(); } } updateSelectorState(); } break; case MotionEvent.ACTION_CANCEL: mTouchMode = TOUCH_MODE_IDLE; updateSelectorState(); setPressed(false); View motionView = this.getChildAt(mMotionPosition - mFirstPosition); if (motionView != null) { motionView.setPressed(false); } final Handler handler = getHandler(); if (handler != null) { handler.removeCallbacks(mPendingCheckForLongPress); } if (mTopEdge != null) { mTopEdge.onRelease(); mBottomEdge.onRelease(); } mTouchMode = TOUCH_MODE_IDLE; break; case MotionEvent.ACTION_UP: { mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); final float velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId); final int prevTouchMode = mTouchMode; if (Math.abs(velocity) > mFlingVelocity) { // TODO mTouchMode = TOUCH_MODE_FLINGING; mScroller.fling(0, 0, 0, (int) velocity, 0, 0, Integer.MIN_VALUE, Integer.MAX_VALUE); mLastTouchY = 0; invalidate(); } else { mTouchMode = TOUCH_MODE_IDLE; } if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { // TODO : handle mTouchMode = TOUCH_MODE_TAP; } else { mTouchMode = TOUCH_MODE_REST; } switch (prevTouchMode) { case TOUCH_MODE_DOWN: case TOUCH_MODE_TAP: case TOUCH_MODE_DONE_WAITING: final View child = getChildAt(motionPosition - mFirstPosition); final float x = ev.getX(); final boolean inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight(); if (child != null && !child.hasFocusable() && inList) { if (mTouchMode != TOUCH_MODE_DOWN) { child.setPressed(false); } if (mPerformClick == null) { invalidate(); mPerformClick = new PerformClick(); } final PerformClick performClick = mPerformClick; performClick.mClickMotionPosition = motionPosition; performClick.rememberWindowAttachCount(); if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { final Handler handlerTouch = getHandler(); if (handlerTouch != null) { handlerTouch.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap : mPendingCheckForLongPress); } if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_TAP; layoutChildren(mDataChanged); child.setPressed(true); positionSelector(mMotionPosition, child); setPressed(true); if (mSelector != null) { Drawable d = mSelector.getCurrent(); if (d != null && d instanceof TransitionDrawable) { ((TransitionDrawable) d).resetTransition(); } } if (mTouchModeReset != null) { removeCallbacks(mTouchModeReset); } mTouchModeReset = new Runnable() { @Override public void run() { mTouchMode = TOUCH_MODE_REST; child.setPressed(false); setPressed(false); if (!mDataChanged) { performClick.run(); } } }; postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration()); } else { mTouchMode = TOUCH_MODE_REST; } return true; } else if (!mDataChanged && mAdapter != null && mAdapter.isEnabled(motionPosition)) { performClick.run(); } } mTouchMode = TOUCH_MODE_REST; } mBeginClick = false; updateSelectorState(); } break; } return true; }
From source file:chan.android.app.bitwise.util.StaggeredGridView.java
@Override public boolean onTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*from w w w .ja v a 2 s .c o m*/ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; int motionPosition = pointToPosition((int) ev.getX(), (int) ev.getY()); switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker.clear(); mScroller.abortAnimation(); mLastTouchY = ev.getY(); mLastTouchX = ev.getX(); motionPosition = pointToPosition((int) mLastTouchX, (int) mLastTouchY); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mTouchRemainderY = 0; if (mTouchMode != TOUCH_MODE_FLINGING && !mDataChanged && motionPosition >= 0 && getAdapter().isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_DOWN; mBeginClick = true; if (mPendingCheckForTap == null) { mPendingCheckForTap = new CheckForTap(); } postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); } mMotionPosition = motionPosition; invalidate(); break; case MotionEvent.ACTION_MOVE: final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (index < 0) { Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " + mActivePointerId + " - did StaggeredGridView receive an inconsistent " + "event stream?"); return false; } final float y = MotionEventCompat.getY(ev, index); final float dy = y - mLastTouchY + mTouchRemainderY; final int deltaY = (int) dy; mTouchRemainderY = dy - deltaY; if (Math.abs(dy) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; } if (mTouchMode == TOUCH_MODE_DRAGGING) { mLastTouchY = y; if (!trackMotionScroll(deltaY, true)) { // Break fling velocity if we impacted an edge. mVelocityTracker.clear(); } } updateSelectorState(); break; case MotionEvent.ACTION_CANCEL: mTouchMode = TOUCH_MODE_IDLE; updateSelectorState(); setPressed(false); View motionView = this.getChildAt(mMotionPosition - mFirstPosition); if (motionView != null) { motionView.setPressed(false); } final Handler handler = getHandler(); if (handler != null) { handler.removeCallbacks(mPendingCheckForLongPress); } if (mTopEdge != null) { mTopEdge.onRelease(); mBottomEdge.onRelease(); } mTouchMode = TOUCH_MODE_IDLE; break; case MotionEvent.ACTION_UP: { mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); final float velocity = VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId); final int prevTouchMode = mTouchMode; if (Math.abs(velocity) > mFlingVelocity) { // TODO mTouchMode = TOUCH_MODE_FLINGING; mScroller.fling(0, 0, 0, (int) velocity, 0, 0, Integer.MIN_VALUE, Integer.MAX_VALUE); mLastTouchY = 0; invalidate(); } else { mTouchMode = TOUCH_MODE_IDLE; } if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { // TODO : handle mTouchMode = TOUCH_MODE_TAP; } else { mTouchMode = TOUCH_MODE_REST; } switch (prevTouchMode) { case TOUCH_MODE_DOWN: case TOUCH_MODE_TAP: case TOUCH_MODE_DONE_WAITING: final View child = getChildAt(motionPosition - mFirstPosition); final float x = ev.getX(); final boolean inList = x > getPaddingLeft() && x < getWidth() - getPaddingRight(); if (child != null && !child.hasFocusable() && inList) { if (mTouchMode != TOUCH_MODE_DOWN) { child.setPressed(false); } if (mPerformClick == null) { invalidate(); mPerformClick = new PerformClick(); } final PerformClick performClick = mPerformClick; performClick.mClickMotionPosition = motionPosition; performClick.rememberWindowAttachCount(); if (mTouchMode == TOUCH_MODE_DOWN || mTouchMode == TOUCH_MODE_TAP) { final Handler handlerTouch = getHandler(); if (handlerTouch != null) { handlerTouch.removeCallbacks(mTouchMode == TOUCH_MODE_DOWN ? mPendingCheckForTap : mPendingCheckForLongPress); } if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { mTouchMode = TOUCH_MODE_TAP; layoutChildren(mDataChanged); child.setPressed(true); positionSelector(mMotionPosition, child); setPressed(true); if (mSelector != null) { Drawable d = mSelector.getCurrent(); if (d != null && d instanceof TransitionDrawable) { ((TransitionDrawable) d).resetTransition(); } } if (mTouchModeReset != null) { removeCallbacks(mTouchModeReset); } mTouchModeReset = new Runnable() { @Override public void run() { mTouchMode = TOUCH_MODE_REST; child.setPressed(false); setPressed(false); if (!mDataChanged) { performClick.run(); } } }; postDelayed(mTouchModeReset, ViewConfiguration.getPressedStateDuration()); } else { mTouchMode = TOUCH_MODE_REST; } return true; } else if (!mDataChanged && mAdapter.isEnabled(motionPosition)) { performClick.run(); } } mTouchMode = TOUCH_MODE_REST; } mBeginClick = false; updateSelectorState(); } break; } return true; }