List of usage examples for android.view View getHitRect
public void getHitRect(Rect outRect)
From source file:com.adamin.superrecyclerview.superrecycer.swipe.SwipeDismissRecyclerViewTouchListener.java
@SuppressLint("AndroidLintClickableViewAccessibility") @Override//from w w w . j a va 2 s . c o m public boolean onTouch(View view, MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mRecyclerView.getWidth(); } switch (MotionEventCompat.getActionMasked(motionEvent)) { case MotionEvent.ACTION_DOWN: { if (mPaused) { return false; } // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mRecyclerView.getChildCount(); int[] listViewCoords = new int[2]; mRecyclerView.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 = mRecyclerView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if (mDownView != null) { mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mRecyclerView.getChildPosition(mDownView); if (mCallbacks.canDismiss(mDownPosition)) { mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } else { mDownView = null; } } return false; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } float deltaX = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = deltaX > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (deltaX < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != INVALID_POSITION) { // dismiss final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; ++mDismissAnimationRefCount; animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime) .setListener(new com.nineoldandroids.animation.AnimatorListenerAdapter() { @Override public void onAnimationEnd(com.nineoldandroids.animation.Animator animation) { super.onAnimationEnd(animation); performDismiss(downView, downPosition); } }); } else { // cancel animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); mRecyclerView.requestDisallowInterceptTouchEvent(true); // Cancel ListView's touch (un-highlighting the item) MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT)); mRecyclerView.onTouchEvent(cancelEvent); cancelEvent.recycle(); } if (mSwiping) { setTranslationX(mDownView, deltaX - mSwipingSlop); setAlpha(mDownView, Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth))); return true; } break; } } return false; }
From source file:com.haarman.listviewanimations.itemmanipulation.SwipeDismissListViewTouchListener.java
private boolean handleDownEvent(MotionEvent motionEvent) { if (mPaused) { return false; }//from w ww . j a v a 2 s . c o m mSwipeInitiated = false; // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mListView.getChildCount(); int[] listViewCoords = new int[2]; mListView.getLocationOnScreen(listViewCoords); int x = (int) motionEvent.getRawX() - listViewCoords[0]; int y = (int) motionEvent.getRawY() - listViewCoords[1]; View downView = null; for (int i = 0; i < childCount && downView == null; i++) { View child = mListView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { downView = child; } } if (downView != null) { Log.d("SwipeDismissListViewTouchListener", "hit child !"); mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); int downPosition = mListView.getPositionForView(downView); mCurrentDismissData = createPendingDismissData(downPosition, downView); if (mPendingDismisses.contains(mCurrentDismissData) || downPosition >= mVirtualListCount) { // Cancel, we're already processing this position mCurrentDismissData = null; return false; } else { mTouchChildTouched = !mIsParentHorizontalScrollContainer && (mResIdOfTouchChild == 0); if (mResIdOfTouchChild != 0) { mIsParentHorizontalScrollContainer = false; final View childView = downView.findViewById(mResIdOfTouchChild); if (childView != null) { final Rect childRect = getChildViewRect(mListView, childView); if (childRect.contains((int) mDownX, (int) mDownY)) { mTouchChildTouched = true; mListView.requestDisallowInterceptTouchEvent(true); } } } if (mIsParentHorizontalScrollContainer) { // Do it now and don't wait until the user moves more than // the slop factor. mTouchChildTouched = true; mListView.requestDisallowInterceptTouchEvent(true); } mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } } return true; }
From source file:es.ugr.swad.swadroid.gui.SwipeListViewTouchListener.java
@Override public boolean onTouch(View view, MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mListView.getWidth(); }/*from ww w .ja v a 2 s. c o m*/ switch (motionEvent.getActionMasked()) { case MotionEvent.ACTION_DOWN: { if (mPaused) { return false; } // TODO: ensure this is a finger, and set a flag // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mListView.getChildCount(); int[] listViewCoords = new int[2]; mListView.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 = mListView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if ((mDownView != null) && (mListView != null)) { mDownX = motionEvent.getRawX(); mDownPosition = mListView.getPositionForView(mDownView); mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } view.onTouchEvent(motionEvent); return true; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } float deltaX = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(500); // 1000 by defaut but it was too much float velocityX = Math.abs(mVelocityTracker.getXVelocity()); float velocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean swipe = false; boolean swipeRight = false; if (Math.abs(deltaX) > mViewWidth / 2) { swipe = true; swipeRight = deltaX > 0; } else if (mMinFlingVelocity <= velocityX && velocityX <= mMaxFlingVelocity && velocityY < velocityX) { swipe = true; swipeRight = mVelocityTracker.getXVelocity() > 0; } if (swipe) { // sufficient swipe value final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; final boolean toTheRight = swipeRight; ++mDismissAnimationRefCount; mDownView.animate().translationX(swipeRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { performSwipeAction(downView, downPosition, toTheRight, toTheRight ? dismissRight : dismissLeft); } }); } else { // cancel mDownView.animate().translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker = null; mDownX = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; if (Math.abs(deltaX) > mSlop) { mSwiping = true; mListView.requestDisallowInterceptTouchEvent(true); // Cancel ListView's touch (un-highlighting the item) MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT)); mListView.onTouchEvent(cancelEvent); } if (mSwiping) { mCallback.onStartSwipe(); mDownView.setTranslationX(deltaX); mDownView.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth))); return true; } break; } } return false; }
From source file:com.xandy.calendar.selectcalendars.SelectCalendarsSyncAdapter.java
@Override public View getView(final int position, View convertView, ViewGroup parent) { if (position >= mRowCount) { return null; }// ww w . jav a 2 s. c o m String name = mData[position].displayName; boolean selected = mData[position].synced; int color = Utils.getDisplayColorFromColor(mData[position].color); View view; if (convertView == null) { view = mInflater.inflate(LAYOUT, parent, false); final View delegate = view.findViewById(R.id.color); final View delegateParent = (View) delegate.getParent(); delegateParent.post(new Runnable() { @Override public void run() { final Rect r = new Rect(); delegate.getHitRect(r); r.top -= mColorViewTouchAreaIncrease; r.bottom += mColorViewTouchAreaIncrease; r.left -= mColorViewTouchAreaIncrease; r.right += mColorViewTouchAreaIncrease; delegateParent.setTouchDelegate(new TouchDelegate(r, delegate)); } }); } else { view = convertView; } view.setTag(mData[position]); CheckBox cb = (CheckBox) view.findViewById(R.id.sync); cb.setChecked(selected); if (selected) { setText(view, R.id.status, mSyncedString); } else { setText(view, R.id.status, mNotSyncedString); } View colorView = view.findViewById(R.id.color); colorView.setEnabled(hasMoreColors(position)); colorView.setBackgroundColor(color); colorView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // Purely for sanity check--view should be disabled if account has no more colors if (!hasMoreColors(position)) { return; } if (mColorPickerDialog == null) { mColorPickerDialog = CalendarColorPickerDialog.newInstance(mData[position].id, mIsTablet); } else { mColorPickerDialog.setCalendarId(mData[position].id); } mFragmentManager.executePendingTransactions(); if (!mColorPickerDialog.isAdded()) { mColorPickerDialog.show(mFragmentManager, COLOR_PICKER_DIALOG_TAG); } } }); setText(view, R.id.calendar, name); return view; }
From source file:com.marshalchen.common.uimodule.superlistview.SwipeDismissListViewTouchListener.java
@Override public boolean onTouch(View view, MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mListView.getWidth(); }/*from ww w . jav a 2 s. c om*/ switch (MotionEventCompat.getActionMasked(motionEvent)) { case MotionEvent.ACTION_DOWN: { if (mPaused) { return false; } // TODO: ensure this is a finger, and set a flag // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mListView.getChildCount(); int[] listViewCoords = new int[2]; mListView.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 = mListView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; mDownViewProxy = AnimatorProxy.wrap(child); break; } } if (mDownView != null) { mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mListView.getPositionForView(mDownView); if (mCallbacks.canDismiss(mDownPosition)) { mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } else { mDownView = null; mDownViewProxy = null; } } return false; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownViewProxy = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } float deltaX = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = deltaX > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (deltaX < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != ListView.INVALID_POSITION) { // dismiss final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; ++mDismissAnimationRefCount; animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { performDismiss(downView, downPosition); } }); } else { animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownViewProxy = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); mListView.requestDisallowInterceptTouchEvent(true); // Cancel ListView's touch (un-highlighting the item) MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT)); mListView.onTouchEvent(cancelEvent); cancelEvent.recycle(); } if (mSwiping) { mDownViewProxy.setTranslationX(deltaX - mSwipingSlop); mDownViewProxy.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth))); return true; } break; } } return false; }
From source file:se.kth.csc.stayawhile.swipe.QueueTouchListener.java
private boolean handleTouchEvent(MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mRecyclerView.getWidth(); }//from w w w .ja va 2s. c o m switch (motionEvent.getActionMasked()) { case MotionEvent.ACTION_DOWN: { if (mPaused) { break; } // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mRecyclerView.getChildCount(); int[] listViewCoords = new int[2]; mRecyclerView.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 = mRecyclerView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if (mDownView != null && mAnimatingPosition != mRecyclerView.getChildLayoutPosition(mDownView)) { mAlpha = ViewCompat.getAlpha(mDownView); mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mRecyclerView.getChildLayoutPosition(mDownView); mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } break; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } mFinalDelta = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(mFinalDelta) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = mFinalDelta > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (mFinalDelta < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != mAnimatingPosition && mDownPosition != ListView.INVALID_POSITION) { final int downPosition = mDownPosition; if (dismissRight) { ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(new ViewPropertyAnimatorListenerAdapter() { @Override public void onAnimationEnd(View view) { mQueueSwipeListener.onSetHelp(mRecyclerView, new int[] { downPosition }); } }); } else { final View downView = mDownView; // mDownView gets null'd before animation ends ++mDismissAnimationRefCount; mAnimatingPosition = mDownPosition; ViewCompat.animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new ViewPropertyAnimatorListenerAdapter() { @Override public void onAnimationEnd(View view) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { performDismiss(downView, downPosition); } } }); } } else { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (!mSwiping && Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); } if (mSwiping && deltaX < 0) { ViewCompat.setTranslationX(mDownView, deltaX - mSwipingSlop); ViewCompat.setAlpha(mDownView, Math.max(0f, Math.min(mAlpha, mAlpha * (1f - Math.abs(deltaX) / mViewWidth)))); return true; } else if (mSwiping && deltaX > 0) { ViewCompat.setTranslationX(mDownView, Math.min(deltaX, mViewWidth / 2) - mSwipingSlop); return true; } break; } } return false; }
From source file:com.brandon.mailbox.RecyclerSwipeListener.java
private boolean handleTouchEvent(MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mRecyclerView.getWidth(); }//from www . jav a 2 s . c o m switch (motionEvent.getActionMasked()) { case MotionEvent.ACTION_DOWN: { if (mPaused) { break; } // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mRecyclerView.getChildCount(); int[] listViewCoords = new int[2]; mRecyclerView.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 = mRecyclerView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if (mDownView != null && mAnimatingPosition != mRecyclerView.getChildLayoutPosition(mDownView)) { mAlpha = ViewCompat.getAlpha(mDownView); mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mRecyclerView.getChildLayoutPosition(mDownView); mSwipingLeft = mSwipeListener.canSwipeLeft(mDownPosition); mSwipingRight = mSwipeListener.canSwipeRight(mDownPosition); if (mSwipingLeft || mSwipingRight) { mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } else { mDownView = null; } } break; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } mFinalDelta = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(mFinalDelta) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = mFinalDelta > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (mFinalDelta < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != mAnimatingPosition && mDownPosition != ListView.INVALID_POSITION) { // dismiss final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; ++mDismissAnimationRefCount; mAnimatingPosition = mDownPosition; ViewCompat.animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new ViewPropertyAnimatorListener() { @Override public void onAnimationStart(View view) { // Do nothing. } @Override public void onAnimationEnd(View view) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { performDismiss(downView, downPosition); } } @Override public void onAnimationCancel(View view) { // Do nothing. } }); } else { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (!mSwiping && Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); } if (deltaX < 0 && !mSwipingLeft) mSwiping = false; if (deltaX > 0 && !mSwipingRight) mSwiping = false; if (mSwiping) { ViewCompat.setTranslationX(mDownView, deltaX - mSwipingSlop); ViewCompat.setAlpha(mDownView, Math.max(0f, Math.min(mAlpha, mAlpha * (1f - Math.abs(deltaX) / mViewWidth)))); return true; } break; } } return false; }
From source file:com.android.fastlibrary.ui.activity.swipeback.SwipeBackLayout.java
private void drawShadow(Canvas canvas, View child) { final Rect childRect = mTmpRect; child.getHitRect(childRect); if ((mEdgeFlag & EDGE_LEFT) != 0) { mShadowLeft.setBounds(childRect.left - mShadowLeft.getIntrinsicWidth(), childRect.top, childRect.left, childRect.bottom);/*ww w .j a v a 2 s .c o m*/ mShadowLeft.setAlpha((int) (mScrimOpacity * FULL_ALPHA)); mShadowLeft.draw(canvas); } if ((mEdgeFlag & EDGE_RIGHT) != 0) { mShadowRight.setBounds(childRect.right, childRect.top, childRect.right + mShadowRight.getIntrinsicWidth(), childRect.bottom); mShadowRight.setAlpha((int) (mScrimOpacity * FULL_ALPHA)); mShadowRight.draw(canvas); } if ((mEdgeFlag & EDGE_BOTTOM) != 0) { mShadowBottom.setBounds(childRect.left, childRect.bottom, childRect.right, childRect.bottom + mShadowBottom.getIntrinsicHeight()); mShadowBottom.setAlpha((int) (mScrimOpacity * FULL_ALPHA)); mShadowBottom.draw(canvas); } }
From source file:com.quentindommerc.superlistview.SwipeDismissListViewTouchListener.java
@TargetApi(Build.VERSION_CODES.HONEYCOMB) @Override// ww w.j av a 2s . c om public boolean onTouch(View view, MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mListView.getWidth(); } switch (MotionEventCompat.getActionMasked(motionEvent)) { case MotionEvent.ACTION_DOWN: { if (mPaused) { return false; } // TODO: ensure this is a finger, and set a flag // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mListView.getChildCount(); int[] listViewCoords = new int[2]; mListView.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 = mListView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if (mDownView != null) { mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mListView.getPositionForView(mDownView); if (mCallbacks.canDismiss(mDownPosition)) { mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } else { mDownView = null; } } return false; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } float deltaX = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = deltaX > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (deltaX < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != ListView.INVALID_POSITION) { // dismiss final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; ++mDismissAnimationRefCount; animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { performDismiss(downView, downPosition); } }); } else { animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); mListView.requestDisallowInterceptTouchEvent(true); // Cancel ListView's touch (un-highlighting the item) MotionEvent cancelEvent = MotionEvent.obtain(motionEvent); cancelEvent.setAction(MotionEvent.ACTION_CANCEL | (MotionEventCompat .getActionIndex(motionEvent) << MotionEventCompat.ACTION_POINTER_INDEX_SHIFT)); mListView.onTouchEvent(cancelEvent); cancelEvent.recycle(); } if (mSwiping) { if (AnimatorProxy.NEEDS_PROXY) { AnimatorProxy proxy = AnimatorProxy.wrap(mDownView); proxy.setTranslationX(deltaX - mSwipingSlop); proxy.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth))); } else { mDownView.setTranslationX(deltaX - mSwipingSlop); mDownView.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth))); } return true; } break; } } return false; }
From source file:br.com.devmix.baseapp.listener.OnSwipeableRecyclerViewTouchListener.java
private boolean handleTouchEvent(MotionEvent motionEvent) { if (mViewWidth < 2) { mViewWidth = mRecyclerView.getWidth(); }/*from w ww .j av a2s . co m*/ switch (motionEvent.getActionMasked()) { case MotionEvent.ACTION_DOWN: { if (mPaused) { break; } // Find the child view that was touched (perform a hit test) Rect rect = new Rect(); int childCount = mRecyclerView.getChildCount(); int[] listViewCoords = new int[2]; mRecyclerView.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 = mRecyclerView.getChildAt(i); child.getHitRect(rect); if (rect.contains(x, y)) { mDownView = child; break; } } if (mDownView != null && mAnimatingPosition != mRecyclerView.getChildAdapterPosition(mDownView)) { mAlpha = ViewCompat.getAlpha(mDownView); mDownX = motionEvent.getRawX(); mDownY = motionEvent.getRawY(); mDownPosition = mRecyclerView.getChildAdapterPosition(mDownView); if (mSwipeListener.canSwipe(mDownPosition)) { mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(motionEvent); } else { mDownView = null; } } break; } case MotionEvent.ACTION_CANCEL: { if (mVelocityTracker == null) { break; } if (mDownView != null && mSwiping) { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_UP: { if (mVelocityTracker == null) { break; } mFinalDelta = motionEvent.getRawX() - mDownX; mVelocityTracker.addMovement(motionEvent); mVelocityTracker.computeCurrentVelocity(1000); float velocityX = mVelocityTracker.getXVelocity(); float absVelocityX = Math.abs(velocityX); float absVelocityY = Math.abs(mVelocityTracker.getYVelocity()); boolean dismiss = false; boolean dismissRight = false; if (Math.abs(mFinalDelta) > mViewWidth / 2 && mSwiping) { dismiss = true; dismissRight = mFinalDelta > 0; } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity && absVelocityY < absVelocityX && mSwiping) { // dismiss only if flinging in the same direction as dragging dismiss = (velocityX < 0) == (mFinalDelta < 0); dismissRight = mVelocityTracker.getXVelocity() > 0; } if (dismiss && mDownPosition != mAnimatingPosition && mDownPosition != ListView.INVALID_POSITION) { // dismiss final View downView = mDownView; // mDownView gets null'd before animation ends final int downPosition = mDownPosition; ++mDismissAnimationRefCount; mAnimatingPosition = mDownPosition; ViewCompat.animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0) .setDuration(mAnimationTime).setListener(new ViewPropertyAnimatorListenerAdapter() { @Override public void onAnimationEnd(View view) { performDismiss(downView, downPosition); } }); } else { // cancel ViewCompat.animate(mDownView).translationX(0).alpha(mAlpha).setDuration(mAnimationTime) .setListener(null); } mVelocityTracker.recycle(); mVelocityTracker = null; mDownX = 0; mDownY = 0; mDownView = null; mDownPosition = ListView.INVALID_POSITION; mSwiping = false; break; } case MotionEvent.ACTION_MOVE: { if (mVelocityTracker == null || mPaused) { break; } mVelocityTracker.addMovement(motionEvent); float deltaX = motionEvent.getRawX() - mDownX; float deltaY = motionEvent.getRawY() - mDownY; if (!mSwiping && Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) { mSwiping = true; mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop); } if (mSwiping) { ViewCompat.setTranslationX(mDownView, deltaX - mSwipingSlop); ViewCompat.setAlpha(mDownView, Math.max(0f, Math.min(mAlpha, mAlpha * (1f - Math.abs(deltaX) / mViewWidth)))); return true; } break; } } return false; }