List of usage examples for android.support.v4.view MotionEventCompat getX
public static float getX(MotionEvent event, int pointerIndex)
From source file:jp.shuri.yamanetoshi.verticalviewpager.VerticalViewPager.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { /*// w w w. ja v a 2 s .c o m * This method JUST determines whether we want to intercept the motion. * If we return true, onMotionEvent will be called and we do the actual * scrolling there. */ final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; // Always take care of the touch gesture being complete. if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { // Release the drag. if (DEBUG) Log.v(TAG, "Intercept done!"); mIsBeingDragged = false; mIsUnableToDrag = false; mActivePointerId = INVALID_POINTER; return false; } // Nothing more to do here if we have decided whether or not we // are dragging. if (action != MotionEvent.ACTION_DOWN) { if (mIsBeingDragged) { if (DEBUG) Log.v(TAG, "Intercept returning true!"); return true; } if (mIsUnableToDrag) { if (DEBUG) Log.v(TAG, "Intercept returning false!"); return false; } } switch (action) { case MotionEvent.ACTION_MOVE: { /* * mIsBeingDragged == false, otherwise the shortcut would have * caught it. Check whether the user has moved far enough from his * original down touch. */ /* * Locally do absolute value. mLastMotionY is set to the y value of * the down event. */ final int activePointerId = mActivePointerId; if (activePointerId == INVALID_POINTER) { // If we don't have a valid id, the touch down wasn't on // content. break; } final int pointerIndex = MotionEventCompat.findPointerIndex(ev, activePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float dx = x - mLastMotionX; final float xDiff = Math.abs(dx); final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = Math.abs(y - mLastMotionY); if (DEBUG) Log.v(TAG, "Moved x to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (yDiff > mTouchSlop && yDiff > xDiff) { if (DEBUG) Log.v(TAG, "Starting drag!"); mIsBeingDragged = true; setScrollState(SCROLL_STATE_DRAGGING); mLastMotionY = y; setScrollingCacheEnabled(true); } else { if (xDiff > mTouchSlop) { // The finger has moved enough in the vertical // direction to be counted as a drag... abort // any attempt to drag horizontally, to work correctly // with children that have scrolling containers. if (DEBUG) Log.v(TAG, "Starting unable to drag!"); mIsUnableToDrag = true; } } break; } case MotionEvent.ACTION_DOWN: { /* * Remember location of down touch. ACTION_DOWN always refers to * pointer index 0. */ mLastMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); if (mScrollState == SCROLL_STATE_SETTLING) { // Let the user 'catch' the pager as it animates. mIsBeingDragged = true; mIsUnableToDrag = false; setScrollState(SCROLL_STATE_DRAGGING); } else { completeScroll(); mIsBeingDragged = false; mIsUnableToDrag = false; } if (DEBUG) Log.v(TAG, "Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + "mIsUnableToDrag=" + mIsUnableToDrag); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } /* * The only time we want to intercept motion events is if we are in the * drag mode. */ return mIsBeingDragged; }
From source file:cn.org.eshow.framwork.view.slidingmenu.CustomViewAbove.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { if (!mEnabled) return false; final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; if (DEBUG)/*from w w w . j a v a2 s. c om*/ if (action == MotionEvent.ACTION_DOWN) Log.v(TAG, "Received ACTION_DOWN"); if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP || (action != MotionEvent.ACTION_DOWN && mIsUnableToDrag)) { endDrag(); return false; } switch (action) { case MotionEvent.ACTION_MOVE: determineDrag(ev); break; case MotionEvent.ACTION_DOWN: int index = MotionEventCompat.getActionIndex(ev); mActivePointerId = MotionEventCompat.getPointerId(ev, index); if (mActivePointerId == INVALID_POINTER) break; mLastMotionX = mInitialMotionX = MotionEventCompat.getX(ev, index); mLastMotionY = MotionEventCompat.getY(ev, index); if (thisTouchAllowed(ev)) { mIsBeingDragged = false; mIsUnableToDrag = false; if (isMenuOpen() && mViewBehind.menuTouchInQuickReturn(mContent, mCurItem, ev.getX() + mScrollX)) { mQuickReturn = true; } } else { mIsUnableToDrag = true; } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } if (!mIsBeingDragged) { if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); } return mIsBeingDragged || mQuickReturn; }
From source file:com.viettel.image.zoom.ZoomViewPaper.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { /*// w w w .j a v a2 s . c o m * This method JUST determines whether we want to intercept the motion. * If we return true, onMotionEvent will be called and we do the actual * scrolling there. */ if (parent.isZooming) return false; final int action = ev.getAction() & MotionEventCompat.ACTION_MASK; // Always take care of the touch gesture being complete. if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { // Release the drag. if (DEBUG) VTLog.v(TAG, "Intercept done!"); mIsBeingDragged = false; mIsUnableToDrag = false; mActivePointerId = INVALID_POINTER; return false; } // Nothing more to do here if we have decided whether or not we // are dragging. if (action != MotionEvent.ACTION_DOWN) { if (mIsBeingDragged) { if (DEBUG) VTLog.v(TAG, "Intercept returning true!"); return true; } if (mIsUnableToDrag) { if (DEBUG) VTLog.v(TAG, "Intercept returning false!"); return false; } } switch (action) { case MotionEvent.ACTION_MOVE: { /* * mIsBeingDragged == false, otherwise the shortcut would have * caught it. Check whether the user has moved far enough from his * original down touch. */ /* * Locally do absolute value. mLastMotionY is set to the y value of * the down event. */ final int activePointerId = mActivePointerId; if (activePointerId == INVALID_POINTER) { // If we don't have a valid id, the touch down wasn't on // content. break; } final int pointerIndex = MotionEventCompat.findPointerIndex(ev, activePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float dx = x - mLastMotionX; final float xDiff = Math.abs(dx); final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = Math.abs(y - mLastMotionY); if (DEBUG) VTLog.v(TAG, "Moved x to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff > yDiff) { if (DEBUG) VTLog.v(TAG, "Starting drag!"); mIsBeingDragged = true; setScrollState(SCROLL_STATE_DRAGGING); mLastMotionX = x; setScrollingCacheEnabled(true); } else { if (yDiff > mTouchSlop) { // The finger has moved enough in the vertical // direction to be counted as a drag... abort // any attempt to drag horizontally, to work correctly // with children that have scrolling containers. if (DEBUG) VTLog.v(TAG, "Starting unable to drag!"); mIsUnableToDrag = true; } } break; } case MotionEvent.ACTION_DOWN: { /* * Remember location of down touch. ACTION_DOWN always refers to * pointer index 0. */ mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); if (mScrollState == SCROLL_STATE_SETTLING) { // Let the user 'catch' the pager as it animates. mIsBeingDragged = true; mIsUnableToDrag = false; setScrollState(SCROLL_STATE_DRAGGING); } else { completeScroll(); mIsBeingDragged = false; mIsUnableToDrag = false; } if (DEBUG) VTLog.v(TAG, "Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + "mIsUnableToDrag=" + mIsUnableToDrag); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } /* * The only time we want to intercept motion events is if we are in the * drag mode. */ return mIsBeingDragged; }
From source file:de.uni_weimar.mheinz.androidtouchscope.display.ScopeView.java
@Override public boolean onTouchEvent(MotionEvent event) { mScaleGestureDetector.onTouchEvent(event); mGestureDetector.onTouchEvent(event); if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_UP || mScaleGestureDetector.isInProgress()) { if (mInMovement && mFirstTouch != null) { int pointerIndex = MotionEventCompat.getActionIndex(event); float x = MotionEventCompat.getX(event, pointerIndex); float y = MotionEventCompat.getY(event, pointerIndex); if (mOnDataChanged != null) { if (mSelectedPath > 0) { float distY = mFirstTouch.y - y; moveWave(mSelectedPath, distY, true); }/*from w ww.ja v a 2 s. com*/ float distX = mFirstTouch.x - x; moveTime(distX, true); } mFirstTouch = null; } setInMovement(false); mHitCursorId = -1; } return true; }
From source file:com.coco.draggablegridviewpager.DraggableGridViewPager.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (ev.getAction() == MotionEvent.ACTION_DOWN && ev.getEdgeFlags() != 0) { // Don't handle edge touches immediately -- they may actually belong to one of our // descendants. return false; }// w w w .ja va 2 s .co m if (mPageCount <= 0) { // Nothing to present or scroll; nothing to touch. return false; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); final int action = ev.getAction(); boolean needsInvalidate = false; switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: { mScroller.abortAnimation(); // Remember where the motion event started mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); DEBUG_LOG("Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); if (!mIsBeingDragged && mScrollState == SCROLL_STATE_IDLE) { mLastPosition = getPositionByXY((int) mLastMotionX, (int) mLastMotionY); } else { mLastPosition = -1; } if (mLastPosition >= 0) { mLastDownTime = System.currentTimeMillis(); } else { mLastDownTime = Long.MAX_VALUE; } DEBUG_LOG("Down at mLastPosition=" + mLastPosition); mLastDragged = -1; break; } case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { // change draw location of dragged visual final View v = getChildAt(mLastDragged); final int l = getScrollX() + (int) x - v.getWidth() / 2; final int t = getScrollY() + (int) y - v.getHeight() / 2; v.layout(l, t, l + v.getWidth(), t + v.getHeight()); // check for new target hover if (mScrollState == SCROLL_STATE_IDLE) { final int target = getTargetByXY((int) x, (int) y); if (target != -1 && mLastTarget != target) { animateGap(target); mLastTarget = target; DEBUG_LOG("Moved to mLastTarget=" + mLastTarget); } // edge holding final int edge = getEdgeByXY((int) x, (int) y); if (mLastEdge == -1) { if (edge != mLastEdge) { mLastEdge = edge; mLastEdgeTime = System.currentTimeMillis(); } } else { if (edge != mLastEdge) { mLastEdge = -1; } else { if ((System.currentTimeMillis() - mLastEdgeTime) >= EDGE_HOLD_DURATION) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); triggerSwipe(edge); mLastEdge = -1; } } } } } else if (!mIsBeingDragged) { final float xDiff = Math.abs(x - mLastMotionX); final float yDiff = Math.abs(y - mLastMotionY); DEBUG_LOG("Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff > yDiff) { DEBUG_LOG("Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); mLastMotionX = x - mInitialMotionX > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; setScrollState(SCROLL_STATE_DRAGGING); setScrollingCacheEnabled(true); } } // Not else! Note that mIsBeingDragged can be set above. if (mIsBeingDragged) { // Scroll to follow the motion event needsInvalidate |= performDrag(x); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Moved to currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { if ((System.currentTimeMillis() - mLastDownTime) >= LONG_CLICK_DURATION) { if (onItemLongClick(currentPosition)) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mLastDragged = mLastPosition; requestParentDisallowInterceptTouchEvent(true); mLastTarget = -1; animateDragged(); mLastPosition = -1; } mLastDownTime = Long.MAX_VALUE; } } else { mLastPosition = -1; } } break; } case MotionEvent.ACTION_UP: { DEBUG_LOG("Touch up!!!"); final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); final int width = getWidth(); final int scrollX = getScrollX(); final int currentPage = scrollX / width; final int offsetPixels = scrollX - currentPage * width; final float pageOffset = (float) offsetPixels / (float) width; final int totalDelta = (int) (x - mInitialMotionX); int nextPage = determineTargetPage(currentPage, pageOffset, initialVelocity, totalDelta); setCurrentItemInternal(nextPage, true, true, initialVelocity); mActivePointerId = INVALID_POINTER; endDrag(); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Touch up!!! currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { onItemClick(currentPosition); } } break; } case MotionEvent.ACTION_CANCEL: DEBUG_LOG("Touch cancel!!!"); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { scrollToItem(mCurItem, true, 0, false); mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); final float x = MotionEventCompat.getX(ev, index); mLastMotionX = x; mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (needsInvalidate) { ViewCompat.postInvalidateOnAnimation(this); } return true; }
From source file:com.hxqc.mall.core.views.CustomScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();/* w w w. j a v a 2 s . co 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) { DebugLog.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); } mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { 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.ebaonet.lawyer.ui.weight.DraggableGridViewPager.java
@Override public boolean onTouchEvent(MotionEvent ev) { if (ev.getAction() == MotionEvent.ACTION_DOWN && ev.getEdgeFlags() != 0) { // Don't handle edge touches immediately -- they may actually belong // to one of our // descendants. return false; }/*from w w w . j av a2 s . co m*/ if (mPageCount <= 0) { // Nothing to present or scroll; nothing to touch. return false; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); final int action = ev.getAction(); boolean needsInvalidate = false; switch (action & MotionEventCompat.ACTION_MASK) { case MotionEvent.ACTION_DOWN: { mScroller.abortAnimation(); // Remember where the motion event started mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); DEBUG_LOG("Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); if (!mIsBeingDragged && mScrollState == SCROLL_STATE_IDLE) { mLastPosition = getPositionByXY((int) mLastMotionX, (int) mLastMotionY); } else { mLastPosition = -1; } if (mLastPosition >= 0) { mLastDownTime = System.currentTimeMillis(); } else { mLastDownTime = Long.MAX_VALUE; } DEBUG_LOG("Down at mLastPosition=" + mLastPosition); mLastDragged = -1; break; } case MotionEvent.ACTION_MOVE: { final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { // change draw location of dragged visual final View v = getChildAt(mLastDragged); final int l = getScrollX() + (int) x - v.getWidth() / 2; final int t = getScrollY() + (int) y - v.getHeight() / 2; v.layout(l, t, l + v.getWidth(), t + v.getHeight()); // check for new target hover if (mScrollState == SCROLL_STATE_IDLE) { final int target = getTargetByXY((int) x, (int) y); if (target != -1 && mLastTarget != target) { animateGap(target); mLastTarget = target; DEBUG_LOG("Moved to mLastTarget=" + mLastTarget); } // edge holding final int edge = getEdgeByXY((int) x, (int) y); if (mLastEdge == -1) { if (edge != mLastEdge) { mLastEdge = edge; mLastEdgeTime = System.currentTimeMillis(); } } else { if (edge != mLastEdge) { mLastEdge = -1; } else { if ((System.currentTimeMillis() - mLastEdgeTime) >= EDGE_HOLD_DURATION) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); triggerSwipe(edge); mLastEdge = -1; } } } } } else if (!mIsBeingDragged) { final float xDiff = Math.abs(x - mLastMotionX); final float yDiff = Math.abs(y - mLastMotionY); DEBUG_LOG("Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff > yDiff) { DEBUG_LOG("Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); mLastMotionX = x - mInitialMotionX > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; setScrollState(SCROLL_STATE_DRAGGING); setScrollingCacheEnabled(true); } } // Not else! Note that mIsBeingDragged can be set above. if (mIsBeingDragged) { // Scroll to follow the motion event needsInvalidate |= performDrag(x); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Moved to currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { if ((System.currentTimeMillis() - mLastDownTime) >= LONG_CLICK_DURATION) { if (onItemLongClick(currentPosition)) { performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); mLastDragged = mLastPosition; requestParentDisallowInterceptTouchEvent(true); mLastTarget = -1; animateDragged(); mLastPosition = -1; } mLastDownTime = Long.MAX_VALUE; } } else { mLastPosition = -1; } } break; } case MotionEvent.ACTION_UP: { DEBUG_LOG("Touch up!!!"); final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); final float x = MotionEventCompat.getX(ev, pointerIndex); final float y = MotionEventCompat.getY(ev, pointerIndex); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int initialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); final int width = getWidth(); final int scrollX = getScrollX(); final int currentPage = scrollX / width; final int offsetPixels = scrollX - currentPage * width; final float pageOffset = (float) offsetPixels / (float) width; final int totalDelta = (int) (x - mInitialMotionX); int nextPage = determineTargetPage(currentPage, pageOffset, initialVelocity, totalDelta); setCurrentItemInternal(nextPage, true, true, initialVelocity); mActivePointerId = INVALID_POINTER; endDrag(); } else if (mLastPosition >= 0) { final int currentPosition = getPositionByXY((int) x, (int) y); DEBUG_LOG("Touch up!!! currentPosition=" + currentPosition); if (currentPosition == mLastPosition) { onItemClick(currentPosition); } } break; } case MotionEvent.ACTION_CANCEL: DEBUG_LOG("Touch cancel!!!"); if (mLastDragged >= 0) { rearrange(); } else if (mIsBeingDragged) { scrollToItem(mCurItem, true, 0, false); mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); final float x = MotionEventCompat.getX(ev, index); mLastMotionX = x; mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (needsInvalidate) { ViewCompat.postInvalidateOnAnimation(this); } return true; }
From source file:gaobq.android.easyslidingmenu.CustomViewAbove.java
private void determineDrag(MotionEvent ev) { final int activePointerId = mActivePointerId; final int pointerIndex = getPointerIndex(ev, activePointerId); if (activePointerId == INVALID_POINTER) return;/* w w w.ja va2 s. c o m*/ final float x = MotionEventCompat.getX(ev, pointerIndex); final float dx = x - mLastMotionX; final float xDiff = Math.abs(dx); final float y = MotionEventCompat.getY(ev, pointerIndex); final float dy = y - mLastMotionY; final float yDiff = Math.abs(dy); if (xDiff > (isMenuOpen() ? mTouchSlop / 2 : mTouchSlop) && xDiff > yDiff && thisSlideAllowed(dx)) { startDrag(); mLastMotionX = x; mLastMotionY = y; setScrollingCacheEnabled(true); // TODO add back in touch slop check } else if (xDiff > mTouchSlop) { mIsUnableToDrag = true; } }
From source file:com.hxqc.mall.thirdshop.views.CustomScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();// w w w. j a va2s. c om 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) { DebugLog.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); } mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { 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; default: break; } if (mVelocityTracker != null) { mVelocityTracker.addMovement(vtev); } vtev.recycle(); return true; }
From source file:com.peerless2012.twowaynestedscrollview.TwoWayNestedScrollView.java
@Override public boolean onTouchEvent(MotionEvent ev) { initVelocityTrackerIfNotExists();//ww w. jav a 2 s. co m MotionEvent vtev = MotionEvent.obtain(ev); final int actionMasked = MotionEventCompat.getActionMasked(ev); if (actionMasked == MotionEvent.ACTION_DOWN) { mNestedYOffset = 0; mNestedXOffset = 0; } vtev.offsetLocation(mNestedXOffset, 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 mLastMotionX = (int) ev.getX(); mLastMotionY = (int) ev.getY(); mIsBeingDragged = false; 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 x = (int) MotionEventCompat.getX(ev, activePointerIndex); int deltaX = mLastMotionX - x; final int y = (int) MotionEventCompat.getY(ev, activePointerIndex); int deltaY = mLastMotionY - y; if (dispatchNestedPreScroll(deltaX, deltaY, mScrollConsumed, mScrollOffset)) { deltaX -= mScrollConsumed[0]; deltaY -= mScrollConsumed[1]; vtev.offsetLocation(mScrollOffset[0], mScrollOffset[1]); mNestedXOffset += mScrollOffset[0]; mNestedYOffset += mScrollOffset[1]; } if (!mIsBeingDragged) { if (Math.abs(deltaY) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaY > 0) { deltaY -= mTouchSlop; } else { deltaY += mTouchSlop; } scrollDirection = DIRECTION_VERTICAL; } else if (Math.abs(deltaX) > mTouchSlop) { final ViewParent parent = getParent(); if (parent != null) { parent.requestDisallowInterceptTouchEvent(true); } mIsBeingDragged = true; if (deltaX > 0) { deltaX -= mTouchSlop; } else { deltaX += mTouchSlop; } scrollDirection = DIRECTION_HORIZONTAL; } else { scrollDirection = DIRECTION_INVALIDATE; } } if (mIsBeingDragged && scrollDirection != DIRECTION_INVALIDATE) { if (scrollDirection == DIRECTION_VERTICAL) { // Scroll to follow the motion event mLastMotionY = y - mScrollOffset[1]; final int oldY = getScrollY(); final int horizontalRange = getHorizontalScrollRange(); final int verticalRange = getVerticalScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && verticalRange > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(0, deltaY, getScrollX(), getScrollY(), horizontalRange, verticalRange, 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 > verticalRange) { 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); } } } else if (scrollDirection == DIRECTION_HORIZONTAL) { // Scroll to follow the motion event mLastMotionX = x - mScrollOffset[0]; final int oldX = getScrollX(); final int horizontalRange = getHorizontalScrollRange(); final int verticalRange = getVerticalScrollRange(); final int overscrollMode = ViewCompat.getOverScrollMode(this); boolean canOverscroll = overscrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overscrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && horizontalRange > 0); // Calling overScrollByCompat will call onOverScrolled, which // calls onScrollChanged if applicable. if (overScrollByCompat(deltaX, 0, getScrollX(), getScrollY(), horizontalRange, verticalRange, 0, 0, true) && !hasNestedScrollingParent()) { // Break our velocity if we hit a scroll barrier. mVelocityTracker.clear(); } final int scrolledDeltaX = getScrollX() - oldX; final int unconsumedX = deltaX - scrolledDeltaX; if (dispatchNestedScroll(scrolledDeltaX, 0, unconsumedX, 0, mScrollOffset)) { mLastMotionX -= mScrollOffset[0]; vtev.offsetLocation(mScrollOffset[0], 0); mNestedXOffset += mScrollOffset[0]; } else if (canOverscroll) { ensureGlows(); final int pulledToX = oldX + deltaX; if (pulledToX < 0) { mEdgeGlowLeft.onPull((float) deltaX / getWidth(), MotionEventCompat.getX(ev, activePointerIndex) / getHeight()); if (!mEdgeGlowRight.isFinished()) { mEdgeGlowRight.onRelease(); } } else if (pulledToX > horizontalRange) { mEdgeGlowRight.onPull((float) deltaX / getWidth(), 1.f - MotionEventCompat.getX(ev, activePointerIndex) / getHeight()); if (!mEdgeGlowLeft.isFinished()) { mEdgeGlowLeft.onRelease(); } } if (mEdgeGlowLeft != null && (!mEdgeGlowLeft.isFinished() || !mEdgeGlowRight.isFinished())) { ViewCompat.postInvalidateOnAnimation(this); } } } } break; case MotionEvent.ACTION_UP: if (mIsBeingDragged) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); int verticalInitialVelocity = (int) VelocityTrackerCompat.getYVelocity(velocityTracker, mActivePointerId); int horizontalInitialVelocity = (int) VelocityTrackerCompat.getXVelocity(velocityTracker, mActivePointerId); if (scrollDirection == DIRECTION_VERTICAL) { if ((Math.abs(verticalInitialVelocity) > mMinimumVelocity)) { flingWithNestedDispatchVertical(-verticalInitialVelocity); } } else if (scrollDirection == DIRECTION_HORIZONTAL) { if ((Math.abs(horizontalInitialVelocity) > mMinimumVelocity)) { flingWithNestedDispatchHorizontal(-horizontalInitialVelocity); } } mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEvent.ACTION_CANCEL: if (mIsBeingDragged && getChildCount() > 0) { mActivePointerId = INVALID_POINTER; endDrag(); } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionX = (int) MotionEventCompat.getX(ev, index); mLastMotionY = (int) MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); mLastMotionX = (int) MotionEventCompat.getX(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); mLastMotionY = (int) MotionEventCompat.getY(ev, MotionEventCompat.findPointerIndex(ev, mActivePointerId)); break; } if (mVelocityTracker != null) { mVelocityTracker.addMovement(vtev); } vtev.recycle(); return true; }