List of usage examples for android.support.v4.view MotionEventCompat getActionMasked
public static int getActionMasked(MotionEvent event)
From source file:com.gcloud.gaadi.ui.swipelistview.SwipeListViewTouchListener.java
/** * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent) *///w ww.j a va 2 s.c o m @Override public boolean onTouch(View view, MotionEvent motionEvent) { if (!isSwipeEnabled()) { return false; } if (viewWidth < 2) { viewWidth = swipeListView.getWidth(); } switch (MotionEventCompat.getActionMasked(motionEvent)) { case MotionEvent.ACTION_DOWN: { if (paused && downPosition != ListView.INVALID_POSITION) { return false; } swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE; int childCount = swipeListView.getChildCount(); int[] listViewCoords = new int[2]; swipeListView.getLocationOnScreen(listViewCoords); int x = (int) motionEvent.getRawX() - listViewCoords[0]; int y = (int) motionEvent.getRawY() - listViewCoords[1]; View child; for (int i = 0; i < childCount; i++) { child = swipeListView.getChildAt(i); child.getHitRect(rect); int childPosition = swipeListView.getPositionForView(child); // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition) && swipeListView.getAdapter().getItemViewType(childPosition) >= 0; if (allowSwipe && rect.contains(x, y)) { setParentView(child); setFrontView(child.findViewById(swipeFrontView), childPosition); downX = motionEvent.getRawX(); downPosition = childPosition; frontView.setClickable(!opened.get(downPosition)); frontView.setLongClickable(!opened.get(downPosition)); velocityTracker = VelocityTracker.obtain(); velocityTracker.addMovement(motionEvent); if (swipeBackView > 0) { setBackView(child.findViewById(swipeBackView)); } break; } } view.onTouchEvent(motionEvent); return true; } case MotionEvent.ACTION_UP: { if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) { break; } float deltaX = motionEvent.getRawX() - downX; velocityTracker.addMovement(motionEvent); velocityTracker.computeCurrentVelocity(1000); float velocityX = Math.abs(velocityTracker.getXVelocity()); if (!opened.get(downPosition)) { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) { velocityX = 0; } if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) { velocityX = 0; } } float velocityY = Math.abs(velocityTracker.getYVelocity()); boolean swap = false; boolean swapRight = false; if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) { swapRight = velocityTracker.getXVelocity() > 0; if (SwipeListView.DEBUG) { Log.d(SwipeListView.TAG, "swapRight: " + swapRight + " - swipingRight: " + swipingRight); } if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) { swap = false; } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) { swap = false; } else swap = !(opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight); } else if (Math.abs(deltaX) > viewWidth / 2) { swap = true; swapRight = deltaX > 0; } generateAnimate(frontView, swap, swapRight, downPosition); if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) { swapChoiceState(downPosition); } velocityTracker.recycle(); velocityTracker = null; downX = 0; // change clickable front view // if (swap) { // frontView.setClickable(opened.get(downPosition)); // frontView.setLongClickable(opened.get(downPosition)); // } swiping = false; break; } case MotionEvent.ACTION_MOVE: { if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) { break; } velocityTracker.addMovement(motionEvent); velocityTracker.computeCurrentVelocity(1000); float velocityX = Math.abs(velocityTracker.getXVelocity()); float velocityY = Math.abs(velocityTracker.getYVelocity()); float deltaX = motionEvent.getRawX() - downX; float deltaMode = Math.abs(deltaX); int swipeMode = this.swipeMode; int changeSwipeMode = swipeListView.changeSwipeMode(downPosition); if (changeSwipeMode >= 0) { swipeMode = changeSwipeMode; } if (swipeMode == SwipeListView.SWIPE_MODE_NONE) { deltaMode = 0; } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) { if (opened.get(downPosition)) { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) { deltaMode = 0; } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) { deltaMode = 0; } } else { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) { deltaMode = 0; } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) { deltaMode = 0; } } } if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE && velocityY < velocityX) { swiping = true; swipingRight = (deltaX > 0); if (SwipeListView.DEBUG) { Log.d(SwipeListView.TAG, "deltaX: " + deltaX + " - swipingRight: " + swipingRight); } if (opened.get(downPosition)) { swipeListView.onStartClose(downPosition, swipingRight); swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL; } else { if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS; } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS; } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE; } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE; } else { swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL; } swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight); } swipeListView.requestDisallowInterceptTouchEvent(true); MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT)); swipeListView.onTouchEvent(cancelEvent); if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) { backView.setVisibility(View.GONE); } } if (swiping && downPosition != ListView.INVALID_POSITION) { if (opened.get(downPosition)) { deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset; } move(deltaX); return true; } break; } } return false; }
From source file:com.example.gitnb.widget.SwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();//from w w w .j a va2 s. co m final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } if (!isEnabled() || mReturningToStart || canChildScrollUp() || mNestedScrollInProgress) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: //setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); //mIsBeingDragged = false; final float initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } if (mRefreshing) { mInitialDownY = mCurrentTargetOffsetTop; } else { mInitialDownY = initialDownY; } break; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER) { Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id."); return false; } final float y = getMotionEventY(ev, mActivePointerId); if (y == -1) { return false; } final float yDiff = y - mInitialDownY; if (yDiff > mTouchSlop && !mIsBeingDragged) { mInitialMotionY = mInitialDownY + mTouchSlop; mIsBeingDragged = true; mProgress.setAlpha(STARTING_PROGRESS_ALPHA); } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mActivePointerId = INVALID_POINTER; break; } return mIsBeingDragged; }
From source file:com.bcgtgjyb.huanwen.meizi.view.widget.MySwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();/*www . j ava 2s.c o m*/ final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } // if (mReturningToStart && action == MotionEvent.ACTION_UP) { // mReturningToStart = false; // } if ((!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing)) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: Log.i(TAG, "onInterceptTouchEvent " + mOriginalOffsetTop + " " + mCircleView.getTop()); setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; final float initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } mInitialDownY = initialDownY; break; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER) { Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id."); return false; } final float y = getMotionEventY(ev, mActivePointerId); if (y == -1) { return false; } final float yDiff = y - mInitialDownY; if (yDiff > mTouchSlop && !mIsBeingDragged) { mInitialMotionY = mInitialDownY + mTouchSlop; mIsBeingDragged = true; mProgress.setAlpha(STARTING_PROGRESS_ALPHA); } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: //guohuanwen // Log.i(TAG, "onInterceptTouchEvent "+mOriginalOffsetTop +" "+ mCircleView.getTop()); // setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true); // mActivePointerId = MotionEventCompat.getPointerId(ev, 0); // mIsBeingDragged = false; // final float initialDownY2 = getMotionEventY(ev, mActivePointerId); // if (initialDownY2 == -1) { // return false; // } // mInitialDownY = initialDownY2; // break; //guohuanwen case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mActivePointerId = INVALID_POINTER; break; } return mIsBeingDragged; }
From source file:com.example.googleplay.view.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/* w ww . j a va 2s.c o m*/ } if (!isEnabled() || mReturningToStart) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mStartPoint = mInitialMotionY; up = canChildScrollUp(); down = canChildScrollDown(); break; case MotionEvent.ACTION_MOVE: final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); // final float yDiff = y - mInitialMotionY; final float yDiff = y - mStartPoint; if ((mLastDirection == Mode.PULL_FROM_START && yDiff < 0) || (mLastDirection == Mode.PULL_FROM_END && yDiff > 0)) { return true; } if (!mIsBeingDragged && (yDiff > 0 && mLastDirection == Mode.PULL_FROM_START) || (yDiff < 0 && mLastDirection == Mode.PULL_FROM_END)) { mIsBeingDragged = true; } if (mIsBeingDragged) { // User velocity passed min velocity; trigger a refresh if (yDiff > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh if (mLastDirection == Mode.PULL_FROM_END) { return true; } if ((mMode == Mode.PULL_FROM_START) || (mMode == Mode.BOTH)) { mLastDirection = Mode.PULL_FROM_START; startRefresh(); } } else if (-yDiff > mDistanceToTriggerSync) { if ((!up && !down && !loadNoFull) || mLastDirection == Mode.PULL_FROM_START) { return true; } if ((mMode == Mode.PULL_FROM_END) || (mMode == Mode.BOTH)) { mLastDirection = Mode.PULL_FROM_END; startLoad(); } } else { if (!up && !down && yDiff < 0 && !loadNoFull) { return true; } // Just track the user's movement //??? setTriggerPercentage( mAccelerateInterpolator.getInterpolation(Math.abs(yDiff) / mDistanceToTriggerSync)); updateContentOffsetTop((int) yDiff); if (mTarget.getTop() == getPaddingTop()) { // If the user puts the view back at the top, we // don't need to. This shouldn't be considered // cancelling the gesture as the user can restart from the top. removeCallbacks(mCancel); mLastDirection = Mode.DISABLED; } else { mDirection = (yDiff > 0 ? 1 : -1); updatePositionTimeout(); } } mLastMotionY = y; } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: break; case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; mLastDirection = Mode.DISABLED; return false; } return true; }
From source file:cn.edu.bit.bookstore.bookstore_android.widget.PullToRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();//w w w. j a va 2s. c om final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } if (!isEnabled() || mReturningToStart || canChildScrollUp() || mRefreshing || mNestedScrollInProgress) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: setTargetOffsetTopAndBottom(mOriginalOffsetTop - mCircleView.getTop(), true); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; final float initialDownY = getMotionEventY(ev, mActivePointerId); if (initialDownY == -1) { return false; } mInitialDownY = initialDownY; break; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER) { Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id."); return false; } final float y = getMotionEventY(ev, mActivePointerId); if (y == -1) { return false; } final float yDiff = y - mInitialDownY; if (yDiff > mTouchSlop && !mIsBeingDragged) { mInitialMotionY = mInitialDownY + mTouchSlop; mIsBeingDragged = true; mProgress.setAlpha(STARTING_PROGRESS_ALPHA); } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mActivePointerId = INVALID_POINTER; break; } return mIsBeingDragged; }
From source file:com.hiyjeain.android.DevBase.widget.ReverseSwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();/* www .j a v a 2 s .com*/ final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } if (!isEnabled() || mReturningToStart || canChildScrollDown() || mRefreshing) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: setTargetOffsetTopAndBottom( mOriginalOffsetTop - (getMeasuredHeight() - mCircleView.getTop() - getPaddingTop() - getPaddingBottom()), true); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; final float initialMotionY = getMotionEventY(ev, mActivePointerId); if (initialMotionY == -1) { return false; } mInitialMotionY = initialMotionY; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER) { Log.e(LOG_TAG, "Got ACTION_MOVE event but don't have an active pointer id."); return false; } final float y = getMotionEventY(ev, mActivePointerId); if (y == -1) { return false; } final float yDiff = Math.abs(y - mInitialMotionY); if (yDiff > mTouchSlop && !mIsBeingDragged) { mIsBeingDragged = true; mProgress.setAlpha(STARTING_PROGRESS_ALPHA); } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mActivePointerId = INVALID_POINTER; break; } return mIsBeingDragged; }
From source file:com.apptentive.android.sdk.view.ApptentiveNestedScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();// w w w . j a v a 2 s. com MotionEvent vtev = MotionEvent.obtain(ev); final int actionMasked = MotionEventCompat.getActionMasked(ev); if (actionMasked == MotionEvent.ACTION_DOWN) { mNestedYOffset = 0; } vtev.offsetLocation(0, mNestedYOffset); switch (actionMasked) { case MotionEvent.ACTION_DOWN: { if (getChildCount() == 0) { return false; } if ((mIsBeingDragged = !mScroller.isFinished())) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } } /* * If being flinged and user touches, stop the fling. isFinished * will be false if being flinged. */ if (!mScroller.isFinished()) { mScroller.abortAnimation(); } // Remember where the motion event started mLastMotionY = (int) ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL); break; } case MotionEvent.ACTION_MOVE: final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (activePointerIndex == -1) { Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent"); break; } final int y = (int) MotionEventCompat.getY(ev, activePointerIndex); int deltaY = mLastMotionY - y; if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) { deltaY -= mScrollConsumed[1]; vtev.offsetLocation(0, mScrollOffset[1]); mNestedYOffset += mScrollOffset[1]; } if (!mIsBeingDragged && Math.abs(deltaY) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaY > 0) { deltaY -= mTouchSlop; } else { deltaY += mTouchSlop; } } if (mIsBeingDragged) { // Scroll to follow the motion event mLastMotionY = y - mScrollOffset[1]; final int oldY = getScrollY(); final int range = getScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(0, deltaY, 0, getScrollY(), 0, range, 0, 0, true) && !hasNestedScrollingParent()) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } final int scrolledDeltaY = getScrollY() - oldY; final int unconsumedY = deltaY - scrolledDeltaY; if (dispatchNestedScroll(0, scrolledDeltaY, 0, unconsumedY, mScrollOffset)) { mLastMotionY -= mScrollOffset[1]; vtev.offsetLocation(0, mScrollOffset[1]); mNestedYOffset += mScrollOffset[1]; } else if (canOverscroll) { ensureGlows(); final int pulledToY = oldY + deltaY; if (pulledToY < 0) { mEdgeGlowTop.onPull((float) deltaY / getHeight(), MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowBottom.isFinished()) { mEdgeGlowBottom.onRelease(); } } else if (pulledToY > range) { mEdgeGlowBottom.onPull((float) deltaY / getHeight(), 1.f - MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowTop.isFinished()) { mEdgeGlowTop.onRelease(); } } if (mEdgeGlowTop != null && (!mEdgeGlowTop.isFinished() || !mEdgeGlowBottom.isFinished())) { ViewCompat.postInvalidateOnAnimation(this); } } } break; case MotionEvent.ACTION_UP: if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); if ((Math.abs(initialVelocity) > mMinimumVelocity)) { flingWithNestedDispatch(-initialVelocity); } else if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) { ViewCompat.postInvalidateOnAnimation(this); } } mActivePointerId = INVALID_POINTER; endDrag(); break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) { ViewCompat.postInvalidateOnAnimation(this); } } mActivePointerId = INVALID_POINTER; endDrag(); break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = (int) MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionY = (int) MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (mVelocityTracker != null) { mVelocityTracker.addMovement(vtev); } vtev.recycle(); return true; }
From source file:com.akshay.protocol10.asplayer.widget.SlidingUpPanelLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (!isEnabled() || !mIsSlidingEnabled || (mIsUnableToDrag && action != MotionEvent.ACTION_DOWN)) { mDragHelper.cancel();//from w ww. j av a 2 s. c om return super.onInterceptTouchEvent(ev); } if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { mDragHelper.cancel(); return false; } final float x = ev.getX(); final float y = ev.getY(); switch (action) { case MotionEvent.ACTION_DOWN: { mIsUnableToDrag = false; mInitialMotionX = x; mInitialMotionY = y; break; } case MotionEvent.ACTION_MOVE: { final float adx = Math.abs(x - mInitialMotionX); final float ady = Math.abs(y - mInitialMotionY); final int dragSlop = mDragHelper.getTouchSlop(); // Handle any horizontal scrolling on the drag view. if (mIsUsingDragViewTouchEvents && adx > dragSlop && ady < dragSlop) { return super.onInterceptTouchEvent(ev); } if ((ady > dragSlop && adx > ady) || !isDragViewUnder((int) mInitialMotionX, (int) mInitialMotionY)) { mDragHelper.cancel(); mIsUnableToDrag = true; return false; } break; } } return mDragHelper.shouldInterceptTouchEvent(ev); }
From source file:com.k.xdiary.views.MyNestedScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();/*from w w w. jav a 2s .c o m*/ MotionEvent vtev = MotionEvent.obtain(ev); final int actionMasked = MotionEventCompat.getActionMasked(ev); if (actionMasked == MotionEvent.ACTION_DOWN) { mNestedYOffset = 0; } vtev.offsetLocation(0, mNestedYOffset); switch (actionMasked) { case MotionEvent.ACTION_DOWN: { if (getChildCount() == 0) { return false; } if ((mIsBeingDragged = !mScroller.isFinished())) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } } /* * If being flinged and user touches, stop the fling. isFinished * will be false if being flinged. */ if (!mScroller.isFinished()) { mScroller.abortAnimation(); } // Remember where the motion event started mLastMotionY = (int) ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL); break; } case MotionEvent.ACTION_MOVE: final int activePointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (activePointerIndex == -1) { Log.e(TAG, "Invalid pointerId=" + mActivePointerId + " in onTouchEvent"); break; } final int y = (int) MotionEventCompat.getY(ev, activePointerIndex); int deltaY = mLastMotionY - y; if (dispatchNestedPreScroll(0, deltaY, mScrollConsumed, mScrollOffset)) { deltaY -= mScrollConsumed[1]; vtev.offsetLocation(0, mScrollOffset[1]); mNestedYOffset += mScrollOffset[1]; } if (!mIsBeingDragged && Math.abs(deltaY) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaY > 0) { deltaY -= mTouchSlop; } else { deltaY += mTouchSlop; } } if (mIsBeingDragged) { // Scroll to follow the motion event mLastMotionY = y - mScrollOffset[1]; final int oldY = getScrollY(); final int range = getScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(0, deltaY, 0, getScrollY(), 0, range, 0, 0, true) && !hasNestedScrollingParent()) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } final int scrolledDeltaY = getScrollY() - oldY; final int unconsumedY = deltaY - scrolledDeltaY; if (dispatchNestedScroll(0, scrolledDeltaY, 0, unconsumedY, mScrollOffset)) { mLastMotionY -= mScrollOffset[1]; vtev.offsetLocation(0, mScrollOffset[1]); mNestedYOffset += mScrollOffset[1]; } else if (canOverscroll) { ensureGlows(); final int pulledToY = oldY + deltaY; if (pulledToY < 0) { mEdgeGlowTop.onPull((float) deltaY / getHeight(), MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowBottom.isFinished()) { mEdgeGlowBottom.onRelease(); } } else if (pulledToY > range) { mEdgeGlowBottom.onPull((float) deltaY / getHeight(), 1.f - MotionEventCompat.getX(ev, activePointerIndex) / getWidth()); if (!mEdgeGlowTop.isFinished()) { mEdgeGlowTop.onRelease(); } } if (mEdgeGlowTop != null && (!mEdgeGlowTop.isFinished() || !mEdgeGlowBottom.isFinished())) { ViewCompat.postInvalidateOnAnimation(this); } } } break; case MotionEvent.ACTION_UP: // if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); if ((Math.abs(initialVelocity) > mMinimumVelocity)) { flingWithNestedDispatch(-initialVelocity); } else if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) { ViewCompat.postInvalidateOnAnimation(this); } // } mActivePointerId = INVALID_POINTER; endDrag(); break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { if (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) { ViewCompat.postInvalidateOnAnimation(this); } } mActivePointerId = INVALID_POINTER; endDrag(); break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = (int) MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionY = (int) MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (mVelocityTracker != null) { mVelocityTracker.addMovement(vtev); } vtev.recycle(); return true; }
From source file:com.example.zhangyipeng.swipelibrary.SwipeListViewTouchListener2.java
/** * @see View.OnTouchListener#onTouch(View, MotionEvent) *//*from w w w . j a v a 2 s .c o m*/ @Override public boolean onTouch(View view, MotionEvent motionEvent) { if (!isSwipeEnabled()) { return false; } if (viewWidth < 2) { viewWidth = swipeListView.getWidth(); } switch (MotionEventCompat.getActionMasked(motionEvent)) { case MotionEvent.ACTION_DOWN: { if (paused && downPosition != ListView.INVALID_POSITION) { return false; } swipeCurrentAction = SwipeListView.SWIPE_ACTION_NONE; int childCount = swipeListView.getChildCount(); int[] listViewCoords = new int[2]; swipeListView.getLocationOnScreen(listViewCoords); int x = (int) motionEvent.getRawX() - listViewCoords[0]; int y = (int) motionEvent.getRawY() - listViewCoords[1]; View child; for (int i = 0; i < childCount; i++) { child = swipeListView.getChildAt(i); child.getHitRect(rect); int childPosition = swipeListView.getPositionForView(child); // dont allow swiping if this is on the header or footer or IGNORE_ITEM_VIEW_TYPE or enabled is false on the adapter // boolean allowSwipe = swipeListView.getAdapter().isEnabled(childPosition) && swipeListView.getAdapter().getItemViewType(childPosition) >= 0; boolean allowSwipe = true; if (allowSwipe && rect.contains(x, y)) { setParentView(child); setFrontView(child.findViewById(swipeFrontView), childPosition); downX = motionEvent.getRawX(); downPosition = childPosition; frontView.setClickable(!opened.get(downPosition)); frontView.setLongClickable(!opened.get(downPosition)); velocityTracker = VelocityTracker.obtain(); velocityTracker.addMovement(motionEvent); if (swipeBackView > 0) { setBackView(child.findViewById(swipeBackView)); } break; } } view.onTouchEvent(motionEvent); return true; } case MotionEvent.ACTION_UP: { if (velocityTracker == null || !swiping || downPosition == ListView.INVALID_POSITION) { break; } float deltaX = motionEvent.getRawX() - downX; velocityTracker.addMovement(motionEvent); velocityTracker.computeCurrentVelocity(1000); float velocityX = Math.abs(velocityTracker.getXVelocity()); if (!opened.get(downPosition)) { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && velocityTracker.getXVelocity() > 0) { velocityX = 0; } if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && velocityTracker.getXVelocity() < 0) { velocityX = 0; } } float velocityY = Math.abs(velocityTracker.getYVelocity()); boolean swap = false; boolean swapRight = false; if (minFlingVelocity <= velocityX && velocityX <= maxFlingVelocity && velocityY * 2 < velocityX) { swapRight = velocityTracker.getXVelocity() > 0; if (SwipeListView.DEBUG) { Log.d(SwipeListView.TAG, "swapRight: " + swapRight + " - swipingRight: " + swipingRight); } if (swapRight != swipingRight && swipeActionLeft != swipeActionRight) { swap = false; } else if (opened.get(downPosition) && openedRight.get(downPosition) && swapRight) { swap = false; } else if (opened.get(downPosition) && !openedRight.get(downPosition) && !swapRight) { swap = false; } else { swap = true; } } else if (Math.abs(deltaX) > viewWidth / 2) { swap = true; swapRight = deltaX > 0; } generateAnimate(frontView, swap, swapRight, downPosition); if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) { swapChoiceState(downPosition); } velocityTracker.recycle(); velocityTracker = null; downX = 0; // change clickable front view // if (swap) { // frontView.setClickable(opened.get(downPosition)); // frontView.setLongClickable(opened.get(downPosition)); // } swiping = false; break; } case MotionEvent.ACTION_MOVE: { if (velocityTracker == null || paused || downPosition == ListView.INVALID_POSITION) { break; } velocityTracker.addMovement(motionEvent); velocityTracker.computeCurrentVelocity(1000); float velocityX = Math.abs(velocityTracker.getXVelocity()); float velocityY = Math.abs(velocityTracker.getYVelocity()); float deltaX = motionEvent.getRawX() - downX; float deltaMode = Math.abs(deltaX); int swipeMode = this.swipeMode; int changeSwipeMode = swipeListView.changeSwipeMode(downPosition); if (changeSwipeMode >= 0) { swipeMode = changeSwipeMode; } if (swipeMode == SwipeListView.SWIPE_MODE_NONE) { deltaMode = 0; } else if (swipeMode != SwipeListView.SWIPE_MODE_BOTH) { if (opened.get(downPosition)) { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX < 0) { deltaMode = 0; } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX > 0) { deltaMode = 0; } } else { if (swipeMode == SwipeListView.SWIPE_MODE_LEFT && deltaX > 0) { deltaMode = 0; } else if (swipeMode == SwipeListView.SWIPE_MODE_RIGHT && deltaX < 0) { deltaMode = 0; } } } if (deltaMode > slop && swipeCurrentAction == SwipeListView.SWIPE_ACTION_NONE && velocityY < velocityX) { swiping = true; swipingRight = (deltaX > 0); if (SwipeListView.DEBUG) { Log.d(SwipeListView.TAG, "deltaX: " + deltaX + " - swipingRight: " + swipingRight); } if (opened.get(downPosition)) { swipeListView.onStartClose(downPosition, swipingRight); swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL; } else { if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_DISMISS) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS; } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_DISMISS) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_DISMISS; } else if (swipingRight && swipeActionRight == SwipeListView.SWIPE_ACTION_CHOICE) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE; } else if (!swipingRight && swipeActionLeft == SwipeListView.SWIPE_ACTION_CHOICE) { swipeCurrentAction = SwipeListView.SWIPE_ACTION_CHOICE; } else { swipeCurrentAction = SwipeListView.SWIPE_ACTION_REVEAL; } swipeListView.onStartOpen(downPosition, swipeCurrentAction, swipingRight); } swipeListView.requestDisallowInterceptTouchEvent(true); MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT)); swipeListView.onTouchEvent(cancelEvent); if (swipeCurrentAction == SwipeListView.SWIPE_ACTION_CHOICE) { backView.setVisibility(View.GONE); } } if (swiping && downPosition != ListView.INVALID_POSITION) { if (opened.get(downPosition)) { deltaX += openedRight.get(downPosition) ? viewWidth - rightOffset : -viewWidth + leftOffset; } move(deltaX); return true; } break; } } if (onlyOneOpenedWhenSwipe) { closeOtherOpenedItems(); view.onTouchEvent(motionEvent); return true; } return false; }