List of usage examples for android.view MotionEvent ACTION_POINTER_UP
int ACTION_POINTER_UP
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From source file:com.example.customview.DynamicListView.java
@Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: mDownX = (int) event.getX(); mDownY = (int) event.getY(); mActivePointerId = event.getPointerId(0); break;//from w w w .j ava 2s . c om case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER_ID) { break; } int pointerIndex = event.findPointerIndex(mActivePointerId); mLastEventY = (int) event.getY(pointerIndex); int deltaY = mLastEventY - mDownY; if (mCellIsMobile) { mHoverCellCurrentBounds.offsetTo(mHoverCellOriginalBounds.left, mHoverCellOriginalBounds.top + deltaY + mTotalOffset); mHoverCell.setBounds(mHoverCellCurrentBounds); invalidate(); handleCellSwitch(); mIsMobileScrolling = false; handleMobileCellScroll(); return false; } break; case MotionEvent.ACTION_UP: touchEventsEnded(); drawLayoutSetUnlock(); break; case MotionEvent.ACTION_CANCEL: touchEventsCancelled(); break; case MotionEvent.ACTION_POINTER_UP: /* If a multitouch event took place and the original touch dictating * the movement of the hover cell has ended, then the dragging event * ends and the hover cell is animated to its corresponding position * in the listview. */ pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; final int pointerId = event.getPointerId(pointerIndex); if (pointerId == mActivePointerId) { touchEventsEnded(); } drawLayoutSetUnlock(); break; default: break; } return super.onTouchEvent(event); }
From source file:com.gitstudy.rili.liarbry.CalendarLayout.java
@SuppressLint("ClickableViewAccessibility") @Override/*w w w . j a v a 2 s .c o m*/ public boolean onTouchEvent(MotionEvent event) { if (mDelegate.isShowYearSelectedLayout) { return false; } if (mContentView == null) { return false; } int action = event.getAction(); float y = event.getY(); mVelocityTracker.addMovement(event); switch (action) { case MotionEvent.ACTION_DOWN: int index = MotionEventCompat.getActionIndex(event); mActivePointerId = MotionEventCompat.getPointerId(event, index); mLastY = downY = y; return true; case MotionEventCompat.ACTION_POINTER_DOWN: { final int indexx = MotionEventCompat.getActionIndex(event); mActivePointerId = MotionEventCompat.getPointerId(event, indexx); if (mActivePointerId == 0) { //?? dy = y- mLastY == 0?? mLastY = MotionEventCompat.getY(event, mActivePointerId); } break; } case MotionEvent.ACTION_MOVE: if (mGestureMode == GESTURE_MODE_DISABLED || mCalendarShowMode == CALENDAR_SHOW_MODE_ONLY_MONTH_VIEW || mCalendarShowMode == CALENDAR_SHOW_MODE_ONLY_WEEK_VIEW) {//???? return false; } getPointerIndex(event, mActivePointerId); if (mActivePointerId == INVALID_POINTER) { //?mLastY?y????? dy== 0?? mLastY = y; mActivePointerId = ACTIVE_POINTER; } float dy = y - mLastY; //?contentView? if (dy < 0 && mContentView.getTranslationY() == -mContentViewTranslateY) { //mContentView.onTouchEvent(event); showWeek(); mLastY = y; return false; } hideWeek(); //?contentView? if (dy > 0 && mContentView.getTranslationY() + dy >= 0) { mContentView.setTranslationY(0); translationViewPager(); mLastY = y; return super.onTouchEvent(event); } //?contentView??contentView? if (dy < 0 && mContentView.getTranslationY() + dy <= -mContentViewTranslateY) { mContentView.setTranslationY(-mContentViewTranslateY); translationViewPager(); mLastY = y; return super.onTouchEvent(event); } //? mContentView.setTranslationY(mContentView.getTranslationY() + dy); translationViewPager(); mLastY = y; break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_POINTER_UP: int pointerIndex = getPointerIndex(event, mActivePointerId); if (mActivePointerId == INVALID_POINTER) break; mLastY = MotionEventCompat.getY(event, pointerIndex); break; case MotionEvent.ACTION_UP: final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity); float mYVelocity = velocityTracker.getYVelocity(); if (mContentView.getTranslationY() == 0 || mContentView.getTranslationY() == mContentViewTranslateY) { break; } if (Math.abs(mYVelocity) >= 800) { if (mYVelocity < 0) { shrink(); } else { expand(); } return super.onTouchEvent(event); } if (event.getY() - downY > 0) { expand(); } else { shrink(); } break; } return super.onTouchEvent(event); }
From source file:study.com.s_sxl.carelib.pullRefreshView.layout.FlingLayout.java
/******************************************************************/ @Override//from w w w . j a v a2 s. c o m public boolean dispatchTouchEvent(MotionEvent ev) { if (mPullView != null && !ViewCompat.isNestedScrollingEnabled(mPullView)) { float moveY = getMoveY(); int pointerCount = ev.getPointerCount(); int pointerIndex = ev.getActionIndex(); if (!mScroller.isFinished()) { mScroller.abortAnimation(); } switch (ev.getActionMasked()) { case MotionEvent.ACTION_DOWN: mPointerId = ev.getPointerId(pointerIndex); float x = ev.getX(pointerIndex); float y = ev.getY(pointerIndex); tempY = downY = y; tempX = downX = x; tempStateType = SCROLL_STATE_TOUCH_SCROLL; if (moveY != 0) { return true; } break; case MotionEvent.ACTION_POINTER_DOWN: mPointerId = ev.getPointerId(pointerIndex); tempX = ev.getX(pointerIndex); tempY = ev.getY(pointerIndex); break; case MotionEvent.ACTION_MOVE: pointerIndex = ev.findPointerIndex(mPointerId); float mx; float my; if (pointerCount > pointerIndex && pointerIndex >= 0) { mx = ev.getX(pointerIndex); my = ev.getY(pointerIndex); } else { mx = ev.getX(); my = ev.getY(); } //????? int dataX = (int) (mx - tempX); int dataY = (int) (my - tempY); tempX = mx; tempY = my; if (isScrolling || (Math.abs(dataY) > Math.abs(dataX))) { isScrolling = true; if (moveY == 0) { // 0,0 //?? if ((dataY < 0 && canPullUp()) || (dataY > 0 && canPullDown())) { moveBy(dataY); return true; } } else { //?0,0 ev.setAction(MotionEvent.ACTION_CANCEL);//? if ((moveY < 0 && moveY + dataY >= 0) || (moveY > 0 && moveY + dataY <= 0)) { //0,0 ev.setAction(MotionEvent.ACTION_DOWN); moveTo(0); } else if ((moveY > 0 && dataY > 0) || (moveY < 0 && dataY < 0)) { //?? if (maxDistance == 0 || Math.abs(moveY) < maxDistance) { int ps = 0; int hDataY = dataY / 2; if (maxDistance == 0) { ps = (int) (-hDataY * Math.abs(moveY) / (float) MAXDISTANCE) - hDataY; } else { ps = (int) (-hDataY * Math.abs(moveY) / (float) maxDistance) - hDataY; } moveBy(ps + dataY); } else if (moveY > maxDistance) { moveTo(maxDistance); } else if (moveY < -maxDistance) { moveTo(-maxDistance); } } else { moveBy(dataY); } } } else { ev.setLocation(mx, downY); } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: startFling(); isScrolling = false; break; case MotionEvent.ACTION_POINTER_UP: // ?? int pointerIdLeave = ev.getPointerId(pointerIndex); if (mPointerId == pointerIdLeave) { // ??????VelocityTracker int reIndex = pointerIndex == 0 ? 1 : 0; mPointerId = ev.getPointerId(reIndex); // ? tempY = ev.getY(reIndex); } } return super.dispatchTouchEvent(ev) || isScrolling; } else { return super.dispatchTouchEvent(ev); } }
From source file:com.leap.mini.widget.pullrefresh.base.layout.FlingLayout.java
/******************************************************************/ @Override//from w w w.j a va 2s .c o m public boolean dispatchTouchEvent(MotionEvent ev) { if (mPullView != null && !ViewCompat.isNestedScrollingEnabled(mPullView)) { float moveY = getMoveY(); int pointerCount = ev.getPointerCount(); int pointerIndex = ev.getActionIndex(); if (!mScroller.isFinished()) { mScroller.abortAnimation(); } switch (ev.getActionMasked()) { case MotionEvent.ACTION_DOWN: mPointerId = ev.getPointerId(pointerIndex); float x = ev.getX(pointerIndex); float y = ev.getY(pointerIndex); tepmY = downY = y; tepmX = downX = x; tempStateType = SCROLL_STATE_TOUCH_SCROLL; if (moveY != 0) { return true; } break; case MotionEvent.ACTION_POINTER_DOWN: mPointerId = ev.getPointerId(pointerIndex); tepmX = ev.getX(pointerIndex); tepmY = ev.getY(pointerIndex); break; case MotionEvent.ACTION_MOVE: pointerIndex = ev.findPointerIndex(mPointerId); float mx; float my; if (pointerCount > pointerIndex && pointerIndex >= 0) { mx = ev.getX(pointerIndex); my = ev.getY(pointerIndex); } else { mx = ev.getX(); my = ev.getY(); } // ????? int dataX = (int) (mx - tepmX); int dataY = (int) (my - tepmY); tepmX = mx; tepmY = my; if (isScrolling || (Math.abs(dataY) > Math.abs(dataX))) { isScrolling = true; if (moveY == 0) { // 0,0 // ?? if ((dataY < 0 && canPullUp()) || (dataY > 0 && canPullDown())) { moveBy(dataY); return true; } } else { // ?0,0 ev.setAction(MotionEvent.ACTION_CANCEL);// ? if ((moveY < 0 && moveY + dataY >= 0) || (moveY > 0 && moveY + dataY <= 0)) { // 0,0 ev.setAction(MotionEvent.ACTION_DOWN); moveTo(0); } else if ((moveY > 0 && dataY > 0) || (moveY < 0 && dataY < 0)) { // ?? if (maxDistance == 0 || Math.abs(moveY) < maxDistance) { int ps = 0; int hDataY = dataY / 2; if (maxDistance == 0) { ps = (int) (-hDataY * Math.abs(moveY) / (float) MAXDISTANCE) - hDataY; } else { ps = (int) (-hDataY * Math.abs(moveY) / (float) maxDistance) - hDataY; } moveBy(ps + dataY); } else if (moveY > maxDistance) { moveTo(maxDistance); } else if (moveY < -maxDistance) { moveTo(-maxDistance); } } else { moveBy(dataY); } } } else { ev.setLocation(mx, downY); } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: startFling(); isScrolling = false; break; case MotionEvent.ACTION_POINTER_UP: // ?? int pointerIdLeave = ev.getPointerId(pointerIndex); if (mPointerId == pointerIdLeave) { // ??????VelocityTracker int reIndex = pointerIndex == 0 ? 1 : 0; mPointerId = ev.getPointerId(reIndex); // ? tepmY = ev.getY(reIndex); } } return super.dispatchTouchEvent(ev) || isScrolling; } else { return super.dispatchTouchEvent(ev); } }
From source file:com.pseudosurface.levels.template.SimulatorActivity.java
@Override public boolean onTouchEvent(MotionEvent event) { float x = event.getX(); float y = event.getY(); // Remember some things for zooming PointF start = new PointF(); PointF mid = new PointF(); switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: start.set(event.getX(), event.getY()); // Log.d(TAG, "mode=DRAG"); break;/*from w ww . j av a 2 s . co m*/ case MotionEvent.ACTION_POINTER_DOWN: oldDist = spacing(event); if (oldDist > 10f) { midPoint(mid, event); mode = ZOOM; // Log.d(TAG, "mode=ZOOM"); } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: mode = NONE; oldDist = -1; // Log.d(TAG, "mode=NONE"); break; case MotionEvent.ACTION_MOVE: if (mode == ZOOM) { float newDist = spacing(event); if (newDist > simulation.minZoom && oldDist != -1) { simulation.zoom -= (newDist - oldDist) * .05; } oldDist = newDist; } else { float dz = x - mPreviousX; float dy = y - mPreviousY; float r = (float) Math.sqrt(dz * dz + dy * dy); double theta = Math.atan2(dy, dz) + Math.PI + SimulatorActivity.angleLR; try { simulation.world.objects[simulation.world.getPlayerIndex()].omega[0] += .05f * r * Math.cos(theta); simulation.world.objects[simulation.world.getPlayerIndex()].omega[2] += .05f * r * Math.sin(theta); } catch (Exception e) { } //MainActivity.angleLR += dx*.01; //simulation.zoom += dy*.01; } break; } mPreviousX = x; mPreviousY = y; gestureDetector.onTouchEvent(event); return true; // indicate event was handled }
From source file:com.ybao.pullrefreshview.layout.FlingLayout.java
/******************************************************************/ @Override//from w w w. j av a2s .c om public boolean dispatchTouchEvent(MotionEvent ev) { if (mPullView != null && !ViewCompat.isNestedScrollingEnabled(mPullView)) { float moveY = getMoveY(); int pointerCount = ev.getPointerCount(); int pointerIndex = ev.getActionIndex(); if (!mScroller.isFinished()) { mScroller.abortAnimation(); } switch (ev.getActionMasked()) { case MotionEvent.ACTION_DOWN: mPointerId = ev.getPointerId(pointerIndex); float x = ev.getX(pointerIndex); float y = ev.getY(pointerIndex); tepmY = downY = y; tepmX = downX = x; tempStateType = SCROLL_STATE_TOUCH_SCROLL; if (moveY != 0) { return true; } break; case MotionEvent.ACTION_POINTER_DOWN: mPointerId = ev.getPointerId(pointerIndex); tepmX = ev.getX(pointerIndex); tepmY = ev.getY(pointerIndex); break; case MotionEvent.ACTION_MOVE: pointerIndex = ev.findPointerIndex(mPointerId); float mx; float my; if (pointerCount > pointerIndex && pointerIndex >= 0) { mx = ev.getX(pointerIndex); my = ev.getY(pointerIndex); } else { mx = ev.getX(); my = ev.getY(); } //????? int dataX = (int) (mx - tepmX); int dataY = (int) (my - tepmY); tepmX = mx; tepmY = my; if (isScrolling || (Math.abs(dataY) > Math.abs(dataX))) { isScrolling = true; if (moveY == 0) { // 0,0 //?? if ((dataY < 0 && canPullUp()) || (dataY > 0 && canPullDown())) { moveBy(dataY); return true; } } else { //?0,0 ev.setAction(MotionEvent.ACTION_CANCEL);//? if ((moveY < 0 && moveY + dataY >= 0) || (moveY > 0 && moveY + dataY <= 0)) { //0,0 ev.setAction(MotionEvent.ACTION_DOWN); moveTo(0); } else if ((moveY > 0 && dataY > 0) || (moveY < 0 && dataY < 0)) { //?? if (maxDistance == 0 || Math.abs(moveY) < maxDistance) { int ps = 0; int hDataY = dataY / 2; if (maxDistance == 0) { ps = (int) (-hDataY * Math.abs(moveY) / (float) MAXDISTANCE) - hDataY; } else { ps = (int) (-hDataY * Math.abs(moveY) / (float) maxDistance) - hDataY; } moveBy(ps + dataY); } else if (moveY > maxDistance) { moveTo(maxDistance); } else if (moveY < -maxDistance) { moveTo(-maxDistance); } } else { moveBy(dataY); } } } else { ev.setLocation(mx, downY); } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: startFling(); isScrolling = false; break; case MotionEvent.ACTION_POINTER_UP: // ?? int pointerIdLeave = ev.getPointerId(pointerIndex); if (mPointerId == pointerIdLeave) { // ??????VelocityTracker int reIndex = pointerIndex == 0 ? 1 : 0; mPointerId = ev.getPointerId(reIndex); // ? tepmY = ev.getY(reIndex); } } return super.dispatchTouchEvent(ev) || isScrolling; } else { return super.dispatchTouchEvent(ev); } }
From source file:com.spatialnetworks.fulcrum.widget.DynamicListView.java
@Override public boolean onTouchEvent(@NonNull MotionEvent event) { switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: mDownX = (int) event.getX(); mDownY = (int) event.getY(); mActivePointerId = event.getPointerId(0); /*/* w ww.ja v a 2 s .co m*/ * get the touch position. if it's valid and drag and drop is enabled, then get the view * and determine if the touch was on the drag and drop view. if so, set up for dragging */ int position = pointToPosition((int) event.getX(), (int) event.getY()); if (position != INVALID_POSITION && mDragAndDropEnabled) { View downView = getChildAt(position - getFirstVisiblePosition()); assert downView != null; if (onDraggable(downView, event.getX() - downView.getX(), event.getY() - downView.getY())) { setUpDrag(); } } break; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER_ID) { break; } int pointerIndex = event.findPointerIndex(mActivePointerId); mLastEventY = (int) event.getY(pointerIndex); int deltaY = mLastEventY - mDownY; if (mCellIsMobile) { mHoverCellCurrentBounds.offsetTo(mHoverCellOriginalBounds.left, mHoverCellOriginalBounds.top + deltaY + mTotalOffset); mHoverCell.setBounds(mHoverCellCurrentBounds); invalidate(); handleCellSwitch(); mIsMobileScrolling = false; handleMobileCellScroll(); return false; } break; case MotionEvent.ACTION_UP: touchEventsEnded(); break; case MotionEvent.ACTION_CANCEL: touchEventsCancelled(); break; case MotionEvent.ACTION_POINTER_UP: /* If a multitouch event took place and the original touch dictating * the movement of the hover cell has ended, then the dragging event * ends and the hover cell is animated to its corresponding position * in the listview. */ pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; final int pointerId = event.getPointerId(pointerIndex); if (pointerId == mActivePointerId) { touchEventsEnded(); } break; default: break; } return super.onTouchEvent(event); }
From source file:ucsc.hci.rankit.DynamicListView.java
@Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: mDownX = (int) event.getX(); mDownY = (int) event.getY(); mActivePointerId = event.getPointerId(0); // This part has been copied from OnItemLongClickListener code above (which has now // been commented out). mTotalOffset = 0;/*from www. j a v a2 s . c o m*/ int position = pointToPosition(mDownX, mDownY); int itemNum = position - getFirstVisiblePosition(); View selectedView = getChildAt(itemNum); mMobileItemId = getAdapter().getItemId(position); mHoverCell = getAndAddHoverView(selectedView); selectedView.setVisibility(INVISIBLE); mCellIsMobile = true; updateNeighborViewsForID(mMobileItemId); // End of copy-paste from OnItemLongClickListener break; case MotionEvent.ACTION_MOVE: if (mActivePointerId == INVALID_POINTER_ID) { break; } int pointerIndex = event.findPointerIndex(mActivePointerId); mLastEventY = (int) event.getY(pointerIndex); int deltaY = mLastEventY - mDownY; if (mCellIsMobile) { mHoverCellCurrentBounds.offsetTo(mHoverCellOriginalBounds.left, mHoverCellOriginalBounds.top + deltaY + mTotalOffset); try { mHoverCell.setBounds(mHoverCellCurrentBounds); } catch (Exception e) { e.printStackTrace(); } invalidate(); handleCellSwitch(); mIsMobileScrolling = false; handleMobileCellScroll(); return false; } break; case MotionEvent.ACTION_UP: touchEventsEnded(); break; case MotionEvent.ACTION_CANCEL: touchEventsCancelled(); break; case MotionEvent.ACTION_POINTER_UP: /* If a multitouch event took place and the original touch dictating * the movement of the hover cell has ended, then the dragging event * ends and the hover cell is animated to its corresponding position * in the listview. */ pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; final int pointerId = event.getPointerId(pointerIndex); if (pointerId == mActivePointerId) { touchEventsEnded(); } break; default: break; } return super.onTouchEvent(event); }
From source file:com.slushpupie.deskclock.DeskClock.java
@Override public boolean onTouch(View v, MotionEvent event) { if (!supportMultiTouch) return false; switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: mode = DRAG;//w w w . j a v a 2 s .co m break; case MotionEvent.ACTION_POINTER_DOWN: oldDist = spacing(event); if (oldDist > 10f) { mode = ZOOM; } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: mode = NONE; break; case MotionEvent.ACTION_MOVE: if (mode == DRAG) { // .. } else if (mode == ZOOM) { float newDist = spacing(event); if (newDist > 10f) { float scaleF = newDist / oldDist; int scale = (int) (scaleF * 100.0); if (scale < 0) scale = scale * -1; if (scale > 100) scale = 100; // change font size SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); prefs.edit().putInt("pref_scale", scale).commit(); } } break; } if (mode == ZOOM) { return true; } else { return false; } }
From source file:com.cocarechina.pullrefreshview.layout.FlingLayout.java
/******************************************************************/ @Override//from ww w. java 2 s.c om public boolean dispatchTouchEvent(MotionEvent ev) { if (mPullView != null && !ViewCompat.isNestedScrollingEnabled(mPullView)) { float moveY = getMoveY(); int pointerCount = ev.getPointerCount(); int pointerIndex = ev.getActionIndex(); if (!mScroller.isFinished()) { mScroller.abortAnimation(); } switch (ev.getActionMasked()) { case MotionEvent.ACTION_DOWN: mPointerId = ev.getPointerId(pointerIndex); float x = ev.getX(pointerIndex); float y = ev.getY(pointerIndex); tepmY = downY = y; tepmX = downX = x; tempStateType = SCROLL_STATE_TOUCH_SCROLL; if (moveY != 0) { return true; } lastY = ev.getY(); Log.v("lastY", moveY + ""); break; case MotionEvent.ACTION_POINTER_DOWN: mPointerId = ev.getPointerId(pointerIndex); tepmX = ev.getX(pointerIndex); tepmY = ev.getY(pointerIndex); break; case MotionEvent.ACTION_MOVE: pointerIndex = ev.findPointerIndex(mPointerId); float mx; float my; if (pointerCount > pointerIndex && pointerIndex >= 0) { mx = ev.getX(pointerIndex); my = ev.getY(pointerIndex); } else { mx = ev.getX(); my = ev.getY(); } //????? int dataX = (int) (mx - tepmX); int dataY = (int) (my - tepmY); tepmX = mx; tepmY = my; if (isScrolling || (Math.abs(dataY) > Math.abs(dataX))) { isScrolling = true; if (moveY == 0) { // 0,0 //?? if ((dataY < 0 && canPullUp()) || (dataY > 0 && canPullDown())) { moveBy(dataY); return true; } } else { //?0,0 ev.setAction(MotionEvent.ACTION_CANCEL);//? if ((moveY < 0 && moveY + dataY >= 0) || (moveY > 0 && moveY + dataY <= 0)) { //0,0 ev.setAction(MotionEvent.ACTION_DOWN); moveTo(0); } else if ((moveY > 0 && dataY > 0) || (moveY < 0 && dataY < 0)) { //?? if (maxDistance == 0 || Math.abs(moveY) < maxDistance) { int ps = 0; int hDataY = dataY / 2; if (maxDistance == 0) { ps = (int) (-hDataY * Math.abs(moveY) / (float) MAXDISTANCE) - hDataY; } else { ps = (int) (-hDataY * Math.abs(moveY) / (float) maxDistance) - hDataY; } moveBy(ps + dataY); } else if (moveY > maxDistance) { moveTo(maxDistance); } else if (moveY < -maxDistance) { moveTo(-maxDistance); } } else { moveBy(dataY); } } } else { ev.setLocation(mx, downY); } Log.v("flingLayout", "ev.getY()" + ev.getY() + " --- lastY " + lastY); if (ev.getY() - lastY > 5) { if (monScrollHeadListener != null) { monScrollHeadListener.onScrollBottom(); } } else if (ev.getY() - lastY < -10) { if (monScrollHeadListener != null) { monScrollHeadListener.onScrollTop(); } } break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: startFling(); isScrolling = false; break; case MotionEvent.ACTION_POINTER_UP: // ?? int pointerIdLeave = ev.getPointerId(pointerIndex); if (mPointerId == pointerIdLeave) { // ??????VelocityTracker int reIndex = pointerIndex == 0 ? 1 : 0; mPointerId = ev.getPointerId(reIndex); // ? tepmY = ev.getY(reIndex); } } return super.dispatchTouchEvent(ev) || isScrolling; } else { return super.dispatchTouchEvent(ev); } }