List of usage examples for android.view MotionEvent ACTION_DOWN
int ACTION_DOWN
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From source file:com.aigo.kt03airdemo.ui.view.ResideLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); // Preserve the open state based on the last view that was touched. if (!mCanSlide && action == MotionEvent.ACTION_DOWN && getChildCount() > 1) { // After the first things will be slideable. final View secondChild = getChildAt(1); if (secondChild != null) { mPreservedOpenState = !mDragHelper.isViewUnder(secondChild, (int) ev.getX(), (int) ev.getY()); }/* w w w . ja v a 2 s. c om*/ } if (!mCanSlide || (mIsUnableToDrag && action != MotionEvent.ACTION_DOWN)) { mDragHelper.cancel(); return super.onInterceptTouchEvent(ev); } if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { mDragHelper.cancel(); return false; } boolean interceptTap = false; switch (action) { case MotionEvent.ACTION_DOWN: { mIsUnableToDrag = false; final float x = ev.getX(); final float y = ev.getY(); mInitialMotionX = x; mInitialMotionY = y; if (mDragHelper.isViewUnder(mSlideableView, (int) x, (int) y) && isDimmed(mSlideableView)) { interceptTap = true; } break; } case MotionEvent.ACTION_MOVE: { final float x = ev.getX(); final float y = ev.getY(); final float adx = Math.abs(x - mInitialMotionX); final float ady = Math.abs(y - mInitialMotionY); final int slop = mDragHelper.getTouchSlop(); View view = findViewAtPosition(this, (int) x, (int) y); if (adx > slop && ady > adx || view != null) { if (view != null) { Log.d(TAG, "touch on unscrollable view"); } mDragHelper.cancel(); mIsUnableToDrag = true; return false; } } } final boolean interceptForDrag = mDragHelper.shouldInterceptTouchEvent(ev); return interceptForDrag || interceptTap; }
From source file:com.appstu.sattafestival.swipe_list.SwipeListViewTouchListener.java
/** * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent) *///w w w . j a v a 2s .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), swipeListView); 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 (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, false, 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 (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, parentView); } 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.nps.micro.view.TestsSectionFragment.java
private void createSequenceChooser(View rootView) { final String[] sequencesArray = getResources().getStringArray(R.array.sequence_array); selectedSequences.clear();/*from w w w . j a v a2s .c o m*/ selectedSequences.addAll(model.getSequencesAsStrings()); runButton.setEnabled(model.getSequences().length > 0); selectedSequencesListView = (DynamicListView) rootView.findViewById(R.id.selectedSequencesListView); selectedSequencesListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); selectedSequencesAdapter = new StableArrayAdapter(getActivity(), R.layout.text_view, selectedSequences); selectedSequencesListView.setListItems(selectedSequences); selectedSequencesListView.setAdapter(selectedSequencesAdapter); setListViewHeightBasedOnChildren(selectedSequencesListView); selectedSequencesListView.setOnTouchListener(new ListView.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { int action = event.getAction(); switch (action) { case MotionEvent.ACTION_DOWN: v.getParent().requestDisallowInterceptTouchEvent(true); break; case MotionEvent.ACTION_UP: v.getParent().requestDisallowInterceptTouchEvent(false); break; } v.onTouchEvent(event); return true; } }); selectSequenceButton = (Button) rootView.findViewById(R.id.selectSequenceButton); selectSequenceButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { boolean[] checkedItems = new boolean[sequencesArray.length]; for (int i = 0; i < sequencesArray.length; i++) { if (selectedSequences.contains(sequencesArray[i])) { checkedItems[i] = true; } else { checkedItems[i] = false; } } new AlertDialog.Builder(getActivity()).setTitle(R.string.arhitecture) .setMultiChoiceItems(sequencesArray, checkedItems, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { String selectedArchitecture = sequencesArray[which]; if (isChecked) { selectedSequences.add(selectedArchitecture); } else if (selectedSequences.contains(selectedArchitecture)) { selectedSequences.remove(selectedArchitecture); } } }) .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { runButton.setEnabled(!selectedSequences.isEmpty()); model.setSequences(selectedSequences); selectedSequencesAdapter = new StableArrayAdapter(getActivity(), R.layout.text_view, selectedSequences); selectedSequencesListView.setAdapter(selectedSequencesAdapter); setListViewHeightBasedOnChildren(selectedSequencesListView); } }).create().show(); } }); }
From source file:com.android.hcframe.DraggableGridViewPager.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { /*//w ww .j a v a2 s .c om * 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. mIsBeingDragged = false; mIsUnableToDrag = false; mActivePointerId = INVALID_POINTER; if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } return false; } // Nothing more to do here if we have decided whether or not we // are dragging. if (action != MotionEvent.ACTION_DOWN) { if (mIsBeingDragged || mLastDragged >= 0) { return true; } if (mIsUnableToDrag) { 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 - mInitialMotionY); HcLog.D("***Moved to " + x + "," + y + " diff=" + xDiff + "," + yDiff); if (xDiff > mTouchSlop && xDiff * 0.5f > yDiff) { HcLog.D("***Starting drag!"); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); setScrollState(SCROLL_STATE_DRAGGING); mLastMotionX = dx > 0 ? mInitialMotionX + mTouchSlop : mInitialMotionX - mTouchSlop; mLastMotionY = y; 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. HcLog.D("***Unable to drag!"); mIsUnableToDrag = true; } if (mIsBeingDragged) { // Scroll to follow the motion event if (performDrag(x)) { ViewCompat.postInvalidateOnAnimation(this); } } break; } case MotionEvent.ACTION_DOWN: { /* * Remember location of down touch. ACTION_DOWN always refers to pointer index 0. */ mLastMotionX = mInitialMotionX = ev.getX(); mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsUnableToDrag = false; mScroller.computeScrollOffset(); if (mScrollState == SCROLL_STATE_SETTLING && Math.abs(mScroller.getFinalX() - mScroller.getCurrX()) > mCloseEnough) { // Let the user 'catch' the pager as it animates. mScroller.abortAnimation(); mIsBeingDragged = true; requestParentDisallowInterceptTouchEvent(true); setScrollState(SCROLL_STATE_DRAGGING); } else { completeScroll(false); mIsBeingDragged = false; } HcLog.D("***Down at " + mLastMotionX + "," + mLastMotionY + " mIsBeingDragged=" + mIsBeingDragged + " mIsUnableToDrag=" + mIsUnableToDrag); mLastDragged = -1; break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); /* * The only time we want to intercept motion events is if we are in the drag mode. */ return mIsBeingDragged; }
From source file:com.albedinsky.android.ui.widget.SeekBarWidget.java
/** *///from w w w . j av a2 s. co m @Override @SuppressLint("NewApi") public boolean onTouchEvent(@NonNull MotionEvent event) { final boolean processed = super.onTouchEvent(event); final int progress = getProgress(); if (processed) { if (progress != mProgress) { this.handleProgressChange(progress); } this.ensureDecorator(); switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: if (mDecorator.hasPrivateFlag(PFLAG_DISCRETE_PREVIEW_ENABLED)) { this.revealDiscreteComponents(); } break; case MotionEvent.ACTION_MOVE: final Drawable background = getBackground(); if (background != null && mAnimations.shouldDraw() && UiConfig.MATERIALIZED) { // Cancel the revealed circle around the thumb. background.setHotspotBounds(0, 0, 0, 0); } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: if (mDecorator.hasPrivateFlag(PFLAG_DISCRETE_PREVIEW_ENABLED)) { this.concealDiscreteComponents(); } break; } } return processed; }
From source file:bhav.swipeaction.SwipeAction.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();//from w ww .j a va 2 s . c o m 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()); 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(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); // icon.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.android.yijiang.kzx.widget.betterpickers.radialtimepicker.RadialPickerLayout.java
@Override public boolean onTouch(View v, MotionEvent event) { final float eventX = event.getX(); final float eventY = event.getY(); int degrees;/* w w w. jav a2 s.co m*/ int value; final Boolean[] isInnerCircle = new Boolean[1]; isInnerCircle[0] = false; long millis = SystemClock.uptimeMillis(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: if (!mInputEnabled) { return true; } mDownX = eventX; mDownY = eventY; mLastValueSelected = -1; mDoingMove = false; mDoingTouch = true; // If we're showing the AM/PM, check to see if the user is touching it. if (!mHideAmPm) { mIsTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY); } else { mIsTouchingAmOrPm = -1; } if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) { // If the touch is on AM or PM, set it as "touched" after the tapTimeout // in case the user moves their finger quickly. tryVibrate(); mDownDegrees = -1; mHandler.postDelayed(new Runnable() { @Override public void run() { mAmPmCirclesView.setAmOrPmPressed(mIsTouchingAmOrPm); mAmPmCirclesView.invalidate(); } }, tapTimeout); } else { // If we're in accessibility mode, force the touch to be legal. Otherwise, // it will only register within the given touch target zone. boolean forceLegal = AccessibilityManagerCompat.isTouchExplorationEnabled(mAccessibilityManager); // Calculate the degrees that is currently being touched. mDownDegrees = getDegreesFromCoords(eventX, eventY, forceLegal, isInnerCircle); if (mDownDegrees != -1) { // If it's a legal touch, set that number as "selected" after the // tapTimeout in case the user moves their finger quickly. tryVibrate(); mHandler.postDelayed(new Runnable() { @Override public void run() { mDoingMove = true; int value = reselectSelector(mDownDegrees, isInnerCircle[0], false, true); mLastValueSelected = value; mListener.onValueSelected(getCurrentItemShowing(), value, false); } }, tapTimeout); } } return true; case MotionEvent.ACTION_MOVE: if (!mInputEnabled) { // We shouldn't be in this state, because input is disabled. Log.e(TAG, "Input was disabled, but received ACTION_MOVE."); return true; } float dY = Math.abs(eventY - mDownY); float dX = Math.abs(eventX - mDownX); if (!mDoingMove && dX <= touchSlop && dY <= touchSlop) { // Hasn't registered down yet, just slight, accidental movement of finger. break; } // If we're in the middle of touching down on AM or PM, check if we still are. // If so, no-op. If not, remove its pressed state. Either way, no need to check // for touches on the other circle. if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) { mHandler.removeCallbacksAndMessages(null); int isTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY); if (isTouchingAmOrPm != mIsTouchingAmOrPm) { mAmPmCirclesView.setAmOrPmPressed(-1); mAmPmCirclesView.invalidate(); mIsTouchingAmOrPm = -1; } break; } if (mDownDegrees == -1) { // Original down was illegal, so no movement will register. break; } // We're doing a move along the circle, so move the selection as appropriate. mDoingMove = true; mHandler.removeCallbacksAndMessages(null); degrees = getDegreesFromCoords(eventX, eventY, true, isInnerCircle); if (degrees != -1) { value = reselectSelector(degrees, isInnerCircle[0], false, true); if (value != mLastValueSelected) { tryVibrate(); mLastValueSelected = value; mListener.onValueSelected(getCurrentItemShowing(), value, false); } } return true; case MotionEvent.ACTION_UP: if (!mInputEnabled) { // If our touch input was disabled, tell the listener to re-enable us. Log.d(TAG, "Input was disabled, but received ACTION_UP."); mListener.onValueSelected(ENABLE_PICKER_INDEX, 1, false); return true; } mHandler.removeCallbacksAndMessages(null); mDoingTouch = false; // If we're touching AM or PM, set it as selected, and tell the listener. if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) { int isTouchingAmOrPm = mAmPmCirclesView.getIsTouchingAmOrPm(eventX, eventY); mAmPmCirclesView.setAmOrPmPressed(-1); mAmPmCirclesView.invalidate(); if (isTouchingAmOrPm == mIsTouchingAmOrPm) { mAmPmCirclesView.setAmOrPm(isTouchingAmOrPm); if (getIsCurrentlyAmOrPm() != isTouchingAmOrPm) { mListener.onValueSelected(AMPM_INDEX, mIsTouchingAmOrPm, false); setValueForItem(AMPM_INDEX, isTouchingAmOrPm); } } mIsTouchingAmOrPm = -1; break; } // If we have a legal degrees selected, set the value and tell the listener. if (mDownDegrees != -1) { degrees = getDegreesFromCoords(eventX, eventY, mDoingMove, isInnerCircle); if (degrees != -1) { value = reselectSelector(degrees, isInnerCircle[0], !mDoingMove, false); if (getCurrentItemShowing() == HOUR_INDEX && !mIs24HourMode) { int amOrPm = getIsCurrentlyAmOrPm(); if (amOrPm == AM && value == 12) { value = 0; } else if (amOrPm == PM && value != 12) { value += 12; } } setValueForItem(getCurrentItemShowing(), value); mListener.onValueSelected(getCurrentItemShowing(), value, true); } } mDoingMove = false; return true; default: break; } return false; }
From source file:com.aoeng.degu.views.swipe.SwipeListSingleViewTouchListener.java
/** * @see View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent) *//*from ww w . j a va2 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)); 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; Log.d("SwipeListView", "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); Log.d("SwipeListView", "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:br.com.leoleal.swipetorefresh.SwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();// w w w .j av a 2s. com final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { 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: 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.bizcom.vc.widget.cus.SubsamplingScaleImageView.java
/** * Handle touch events. One finger pans, and two finger pinch and zoom plus * panning.//from w ww . jav a 2s. co m */ @Override public boolean onTouchEvent(MotionEvent event) { PointF vCenterEnd; float vDistEnd; // During non-interruptible anims, ignore all touch events if (anim != null && !anim.interruptible) { getParent().requestDisallowInterceptTouchEvent(true); return true; } else { anim = null; } // Abort if not ready if (vTranslate == null) { return true; } // Detect flings, taps and double taps if (detector == null || detector.onTouchEvent(event)) { return true; } int touchCount = event.getPointerCount(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_POINTER_1_DOWN: case MotionEvent.ACTION_POINTER_2_DOWN: anim = null; getParent().requestDisallowInterceptTouchEvent(true); maxTouchCount = Math.max(maxTouchCount, touchCount); if (touchCount >= 2) { if (zoomEnabled) { // Start pinch to zoom. Calculate distance between touch // points and center point of the pinch. float distance = distance(event.getX(0), event.getX(1), event.getY(0), event.getY(1)); scaleStart = scale; vDistStart = distance; vTranslateStart = new PointF(vTranslate.x, vTranslate.y); vCenterStart = new PointF((event.getX(0) + event.getX(1)) / 2, (event.getY(0) + event.getY(1)) / 2); } else { // Abort all gestures on second touch maxTouchCount = 0; } // Cancel long click timer handler.removeMessages(MESSAGE_LONG_CLICK); } else { // Start one-finger pan vTranslateStart = new PointF(vTranslate.x, vTranslate.y); vCenterStart = new PointF(event.getX(), event.getY()); // Start long click timer handler.sendEmptyMessageDelayed(MESSAGE_LONG_CLICK, 600); } return true; case MotionEvent.ACTION_MOVE: boolean consumed = false; if (maxTouchCount > 0) { if (touchCount >= 2) { // Calculate new distance between touch points, to scale and // pan relative to start values. vDistEnd = distance(event.getX(0), event.getX(1), event.getY(0), event.getY(1)); vCenterEnd = new PointF((event.getX(0) + event.getX(1)) / 2, (event.getY(0) + event.getY(1)) / 2); if (zoomEnabled && (distance(vCenterStart.x, vCenterEnd.x, vCenterStart.y, vCenterEnd.y) > 5 || Math.abs(vDistEnd - vDistStart) > 5 || isPanning)) { isZooming = true; isPanning = true; consumed = true; scale = Math.min(maxScale, (vDistEnd / vDistStart) * scaleStart); if (scale <= minScale()) { // Minimum scale reached so don't pan. Adjust start // settings so any expand will zoom in. vDistStart = vDistEnd; scaleStart = minScale(); vCenterStart = vCenterEnd; vTranslateStart = vTranslate; } else if (panEnabled) { // Translate to place the source image coordinate // that was at the center of the pinch at the start // at the center of the pinch now, to give // simultaneous pan + zoom. float vLeftStart = vCenterStart.x - vTranslateStart.x; float vTopStart = vCenterStart.y - vTranslateStart.y; float vLeftNow = vLeftStart * (scale / scaleStart); float vTopNow = vTopStart * (scale / scaleStart); vTranslate.x = vCenterEnd.x - vLeftNow; vTranslate.y = vCenterEnd.y - vTopNow; } else if (sRequestedCenter != null) { // With a center specified from code, zoom around // that point. vTranslate.x = (getWidth() / 2) - (scale * sRequestedCenter.x); vTranslate.y = (getHeight() / 2) - (scale * sRequestedCenter.y); } else { // With no requested center, scale around the image // center. vTranslate.x = (getWidth() / 2) - (scale * (sWidth() / 2)); vTranslate.y = (getHeight() / 2) - (scale * (sHeight() / 2)); } fitToBounds(true); refreshRequiredTiles(false); } } else if (!isZooming) { // One finger pan - translate the image. We do this // calculation even with pan disabled so click // and long click behaviour is preserved. float dx = Math.abs(event.getX() - vCenterStart.x); float dy = Math.abs(event.getY() - vCenterStart.y); if (dx > 5 || dy > 5 || isPanning) { consumed = true; vTranslate.x = vTranslateStart.x + (event.getX() - vCenterStart.x); vTranslate.y = vTranslateStart.y + (event.getY() - vCenterStart.y); float lastX = vTranslate.x; float lastY = vTranslate.y; fitToBounds(true); if (lastX == vTranslate.x || (lastY == vTranslate.y && dy > 10) || isPanning) { isPanning = true; } else if (dx > 5) { // Haven't panned the image, and we're at the left // or right edge. Switch to page swipe. maxTouchCount = 0; handler.removeMessages(MESSAGE_LONG_CLICK); getParent().requestDisallowInterceptTouchEvent(false); } if (!panEnabled) { vTranslate.x = vTranslateStart.x; vTranslate.y = vTranslateStart.y; getParent().requestDisallowInterceptTouchEvent(false); } refreshRequiredTiles(false); } } } if (consumed) { handler.removeMessages(MESSAGE_LONG_CLICK); invalidate(); return true; } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: case MotionEvent.ACTION_POINTER_2_UP: handler.removeMessages(MESSAGE_LONG_CLICK); if (maxTouchCount > 0 && (isZooming || isPanning)) { if (isZooming && touchCount == 2) { // Convert from zoom to pan with remaining touch isPanning = true; vTranslateStart = new PointF(vTranslate.x, vTranslate.y); if (event.getActionIndex() == 1) { vCenterStart = new PointF(event.getX(0), event.getY(0)); } else { vCenterStart = new PointF(event.getX(1), event.getY(1)); } } if (touchCount < 3) { // End zooming when only one touch point isZooming = false; } if (touchCount < 2) { // End panning when no touch points isPanning = false; maxTouchCount = 0; } // Trigger load of tiles now required refreshRequiredTiles(true); return true; } if (touchCount == 1) { isZooming = false; isPanning = false; maxTouchCount = 0; } return true; } return super.onTouchEvent(event); }