List of usage examples for android.support.v4.view MotionEventCompat getActionMasked
public static int getActionMasked(MotionEvent event)
From source file:com.hynet.mergepay.components.widget.panellayout.ViewDragHelper.java
public boolean shouldInterceptTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); final int actionIndex = MotionEventCompat.getActionIndex(ev); if (action == MotionEvent.ACTION_DOWN) { // Reset things for a new event stream, just in case we didn't get // the whole previous stream. cancel();//from w ww. j a v a2 s .c om } if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(ev); switch (action) { case MotionEvent.ACTION_DOWN: { final float x = ev.getX(); final float y = ev.getY(); final int pointerId = MotionEventCompat.getPointerId(ev, 0); saveInitialMotion(x, y, pointerId); final View toCapture = findTopChildUnder((int) x, (int) y); // Catch a settling view if possible. if (toCapture == mCapturedView && mDragState == STATE_SETTLING) { tryCaptureViewForDrag(toCapture, pointerId); } final int edgesTouched = mInitialEdgesTouched[pointerId]; if ((edgesTouched & mTrackingEdges) != 0) { mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId); } break; } case MotionEventCompat.ACTION_POINTER_DOWN: { final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex); final float x = MotionEventCompat.getX(ev, actionIndex); final float y = MotionEventCompat.getY(ev, actionIndex); saveInitialMotion(x, y, pointerId); // A ViewDragHelper can only manipulate one view at a time. if (mDragState == STATE_IDLE) { final int edgesTouched = mInitialEdgesTouched[pointerId]; if ((edgesTouched & mTrackingEdges) != 0) { mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId); } } else if (mDragState == STATE_SETTLING) { // Catch a settling view if possible. final View toCapture = findTopChildUnder((int) x, (int) y); if (toCapture == mCapturedView) { tryCaptureViewForDrag(toCapture, pointerId); } } break; } case MotionEvent.ACTION_MOVE: { // First to cross a touch slop over a draggable view wins. Also report edge drags. final int pointerCount = MotionEventCompat.getPointerCount(ev); for (int i = 0; i < pointerCount && mInitialMotionX != null && mInitialMotionY != null; i++) { final int pointerId = MotionEventCompat.getPointerId(ev, i); if (pointerId >= mInitialMotionX.length || pointerId >= mInitialMotionY.length) { continue; } final float x = MotionEventCompat.getX(ev, i); final float y = MotionEventCompat.getY(ev, i); final float dx = x - mInitialMotionX[pointerId]; final float dy = y - mInitialMotionY[pointerId]; reportNewEdgeDrags(dx, dy, pointerId); if (mDragState == STATE_DRAGGING) { // Callback might have started an edge drag break; } final View toCapture = findTopChildUnder((int) mInitialMotionX[pointerId], (int) mInitialMotionY[pointerId]); if (toCapture != null && checkTouchSlop(toCapture, dx, dy) && tryCaptureViewForDrag(toCapture, pointerId)) { break; } } saveLastMotion(ev); break; } case MotionEventCompat.ACTION_POINTER_UP: { final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex); clearMotionHistory(pointerId); break; } case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: { cancel(); break; } } return mDragState == STATE_DRAGGING; }
From source file:com.example.harris.onionweather.ui.swipe.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from w w w .ja v a 2s.c o m*/ } if (!isEnabled() || mReturningToStart || canChildScrollUp()) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mIsPulling = false; mCanRefreshing = false; break; case MotionEvent.ACTION_MOVE: final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = y - mInitialMotionY; if (!mIsBeingDragged && yDiff > mTouchSlop) { mIsBeingDragged = true; } if (mIsBeingDragged) { // User velocity passed min velocity; trigger a refresh // User movement passed distance; trigger a refresh // startRefresh(); mCanStartRefresh = yDiff / 2 > mDistanceToTriggerSync; // else { // Just track the user's movement setTriggerPercentage(mAccelerateInterpolator .getInterpolation(yDiff / mDistanceToTriggerSync > 1 ? 1 : yDiff / mDistanceToTriggerSync)); updateContentOffsetTop((int) (yDiff / 2)); if (mLastMotionY > y && mTarget.getTop() == getPaddingTop()) { // If the user puts the view back at the top, we // don't need to. This shouldn't be considered // cancelling the gesture as the user can restart from the top. removeCallbacks(mCancel); } // else { // updatePositionTimeout(); // } // } mLastMotionY = y; } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: if (mCanStartRefresh) { startRefresh(); } else { removeCallbacks(mCancel); post(mCancel); } mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; return false; } return true; }
From source file:com.example.swiperefresh.SwipeRefreshLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { ensureTarget();//from ww w .ja v a 2s . c o m final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false; } if (!isEnabled() || mReturningToStart) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mStartPoint = mInitialMotionY; //??p/down?????????????????? //????anChildScrollUp/canChildScrollDown //?????????? up = canChildScrollUp(); down = canChildScrollDown(); 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 int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); // final float yDiff = y - mInitialMotionY; final float yDiff = y - mStartPoint; //????????? if ((mLastDirection == Mode.PULL_FROM_START && yDiff < 0) || (mLastDirection == Mode.PULL_FROM_END && yDiff > 0)) { return false; } //??????????????? //mStartPoint???? if ((canChildScrollUp() && yDiff > 0) || (canChildScrollDown() && yDiff < 0)) { mStartPoint = y; } // if (yDiff > mTouchSlop) { //?????? if (canChildScrollUp() || mLastDirection == Mode.PULL_FROM_END) { mIsBeingDragged = false; return false; } if ((mMode == Mode.PULL_FROM_START) || (mMode == Mode.BOTH)) { mLastMotionY = y; mIsBeingDragged = true; mLastDirection = Mode.PULL_FROM_START; } } // else if (-yDiff > mTouchSlop) { //?????? if (canChildScrollDown() || mLastDirection == Mode.PULL_FROM_START) { mIsBeingDragged = false; return false; } //????????? if (!up && !down && !loadNoFull) { mIsBeingDragged = false; return false; } if ((mMode == Mode.PULL_FROM_END) || (mMode == Mode.BOTH)) { mLastMotionY = y; mIsBeingDragged = true; mLastDirection = Mode.PULL_FROM_END; } } break; case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; mLastDirection = Mode.DISABLED; break; } return mIsBeingDragged; }
From source file:android.support.design.widget.CoordinatorLayout.java
@Override public boolean onInterceptTouchEvent(MotionEvent ev) { MotionEvent cancelEvent = null;/*from ww w .ja va 2s .c om*/ final int action = MotionEventCompat.getActionMasked(ev); // Make sure we reset in case we had missed a previous important event. if (action == MotionEvent.ACTION_DOWN) { resetTouchBehaviors(); } final boolean intercepted = performIntercept(ev, TYPE_ON_INTERCEPT); if (cancelEvent != null) { cancelEvent.recycle(); } if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { resetTouchBehaviors(); } return intercepted; }
From source file:com.hybunion.common.view.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;/*from w w w. j a va 2 s . c o m*/ } if (!isEnabled() || mReturningToStart || canChildScrollUp()) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mIsPulling = false; mCanRefreshing = false; break; case MotionEvent.ACTION_MOVE: final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = y - mInitialMotionY; if (!mIsBeingDragged && yDiff > mTouchSlop) { mIsBeingDragged = true; } if (mIsBeingDragged) { // User velocity passed min velocity; trigger a refresh if (yDiff / 2 > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh // startRefresh(); mCanStartRefresh = true; } else { mCanStartRefresh = false; } // else { // Just track the user's movement setTriggerPercentage(mAccelerateInterpolator .getInterpolation(yDiff / mDistanceToTriggerSync > 1 ? 1 : yDiff / mDistanceToTriggerSync)); updateContentOffsetTop((int) (yDiff / 2)); if (mLastMotionY > y && mTarget.getTop() == getPaddingTop()) { // If the user puts the view back at the top, we // don't need to. This shouldn't be considered // cancelling the gesture as the user can restart from the top. removeCallbacks(mCancel); } // else { // updatePositionTimeout(); // } // } mLastMotionY = y; } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: if (mCanStartRefresh) { startRefresh(); } else { removeCallbacks(mCancel); post(mCancel); } mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; return false; } return true; }
From source file:com.cmad.swipe.SwipeRefreshLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { final int action = MotionEventCompat.getActionMasked(ev); if (mReturningToStart && action == MotionEvent.ACTION_DOWN) { mReturningToStart = false;//from ww w .j av a2 s . co m } if (!isEnabled() || mReturningToStart || canChildScrollUp()) { // Fail fast if we're not in a state where a swipe is possible return false; } switch (action) { case MotionEvent.ACTION_DOWN: mLastMotionY = mInitialMotionY = ev.getY(); mActivePointerId = MotionEventCompat.getPointerId(ev, 0); mIsBeingDragged = false; mCurrPercentage = 0; mIsPulling = false; mCanRefreshing = false; break; case MotionEvent.ACTION_MOVE: final int pointerIndex = MotionEventCompat.findPointerIndex(ev, mActivePointerId); if (pointerIndex < 0) { Log.e(LOG_TAG, "Got ACTION_MOVE event but have an invalid active pointer id."); return false; } final float y = MotionEventCompat.getY(ev, pointerIndex); final float yDiff = y - mInitialMotionY; if (!mIsBeingDragged) { mIsBeingDragged = true; } /* if (yDiff> maxSlopDistance){ mIsBeingDragged=false; } */ Log.d(LOG_TAG, "maxSlopDistance:" + maxSlopDistance + " yDiff:" + yDiff); if (mIsBeingDragged && yDiff < maxSlopDistance) { // User velocity passed min velocity; trigger a refresh if (yDiff / 2 > mDistanceToTriggerSync) { // User movement passed distance; trigger a refresh // startRefresh(); mCanStartRefresh = true; } else { mCanStartRefresh = false; } // else { // Just track the user's movement setTriggerPercentage(mAccelerateInterpolator .getInterpolation(yDiff / mDistanceToTriggerSync > 1 ? 1 : yDiff / mDistanceToTriggerSync)); updateContentOffsetTop((int) (yDiff / 2)); if (mLastMotionY > y && mTarget.getTop() == getPaddingTop()) { // If the user puts the view back at the top, we // don't need to. This shouldn't be considered // cancelling the gesture as the user can restart from the top. removeCallbacks(mCancel); } // else { // updatePositionTimeout(); // } // } mLastMotionY = y; } break; case MotionEventCompat.ACTION_POINTER_DOWN: { final int index = MotionEventCompat.getActionIndex(ev); mLastMotionY = MotionEventCompat.getY(ev, index); mActivePointerId = MotionEventCompat.getPointerId(ev, index); break; } case MotionEventCompat.ACTION_POINTER_UP: onSecondaryPointerUp(ev); break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: if (mCanStartRefresh) { startRefresh(); } else { removeCallbacks(mCancel); post(mCancel); } mIsBeingDragged = false; mCurrPercentage = 0; mActivePointerId = INVALID_POINTER; return false; } return true; }
From source file:android.support.design.widget.CoordinatorLayout.java
@Override public boolean onTouchEvent(MotionEvent ev) { boolean handled = false; boolean cancelSuper = false; MotionEvent cancelEvent = null;// www. ja v a2 s.c o m final int action = MotionEventCompat.getActionMasked(ev); if (mBehaviorTouchView != null || (cancelSuper = performIntercept(ev, TYPE_ON_TOUCH))) { // Safe since performIntercept guarantees that // mBehaviorTouchView != null if it returns true final LayoutParams lp = (LayoutParams) mBehaviorTouchView.getLayoutParams(); final Behavior b = lp.getBehavior(); if (b != null) { handled = b.onTouchEvent(this, mBehaviorTouchView, ev); } } // Keep the super implementation correct if (mBehaviorTouchView == null) { handled |= super.onTouchEvent(ev); } else if (cancelSuper) { if (cancelEvent == null) { final long now = SystemClock.uptimeMillis(); cancelEvent = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0.0f, 0.0f, 0); } super.onTouchEvent(cancelEvent); } if (!handled && action == MotionEvent.ACTION_DOWN) { } if (cancelEvent != null) { cancelEvent.recycle(); } if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { resetTouchBehaviors(); } return handled; }
From source file:com.fortysevendeg.swipelistview.ExpandableSwipeListView.java
/** * @see android.widget.ListView#onInterceptTouchEvent(android.view.MotionEvent) *///from w ww . j a v a 2s .c o m @Override public boolean onInterceptTouchEvent(MotionEvent ev) { int action = MotionEventCompat.getActionMasked(ev); final float x = ev.getX(); final float y = ev.getY(); if (isEnabled() && touchListener.isSwipeEnabled()) { //if (isEnabled()){ if (touchState == TOUCH_STATE_SCROLLING_X) { return touchListener.onTouch(this, ev); } switch (action) { case MotionEvent.ACTION_MOVE: checkInMoving(x, y); return touchState == TOUCH_STATE_SCROLLING_Y; case MotionEvent.ACTION_DOWN: super.onInterceptTouchEvent(ev); touchListener.onTouch(this, ev); touchState = TOUCH_STATE_REST; lastMotionX = x; lastMotionY = y; return false; case MotionEvent.ACTION_CANCEL: touchState = TOUCH_STATE_REST; break; case MotionEvent.ACTION_UP: touchListener.onTouch(this, ev); return touchState == TOUCH_STATE_SCROLLING_Y; default: break; } } return super.onInterceptTouchEvent(ev); }
From source file:android.support.v7.widget.SwitchCompat.java
@Override public boolean onTouchEvent(MotionEvent ev) { mVelocityTracker.addMovement(ev);/*from w ww .jav a 2s. c o m*/ final int action = MotionEventCompat.getActionMasked(ev); switch (action) { case MotionEvent.ACTION_DOWN: { final float x = ev.getX(); final float y = ev.getY(); if (isEnabled() && hitThumb(x, y)) { mTouchMode = TOUCH_MODE_DOWN; mTouchX = x; mTouchY = y; } break; } case MotionEvent.ACTION_MOVE: { switch (mTouchMode) { case TOUCH_MODE_IDLE: // Didn't target the thumb, treat normally. break; case TOUCH_MODE_DOWN: { final float x = ev.getX(); final float y = ev.getY(); if (Math.abs(x - mTouchX) > mTouchSlop || Math.abs(y - mTouchY) > mTouchSlop) { mTouchMode = TOUCH_MODE_DRAGGING; getParent().requestDisallowInterceptTouchEvent(true); mTouchX = x; mTouchY = y; return true; } break; } case TOUCH_MODE_DRAGGING: { final float x = ev.getX(); final int thumbScrollRange = getThumbScrollRange(); final float thumbScrollOffset = x - mTouchX; float dPos; if (thumbScrollRange != 0) { dPos = thumbScrollOffset / thumbScrollRange; } else { // If the thumb scroll range is empty, just use the // movement direction to snap on or off. dPos = thumbScrollOffset > 0 ? 1 : -1; } if (ViewUtils.isLayoutRtl(this)) { dPos = -dPos; } final float newPos = constrain(mThumbPosition + dPos, 0, 1); if (newPos != mThumbPosition) { mTouchX = x; setThumbPosition(newPos); } return true; } } break; } case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: { if (mTouchMode == TOUCH_MODE_DRAGGING) { stopDrag(ev); // Allow super class to handle pressed state, etc. super.onTouchEvent(ev); return true; } mTouchMode = TOUCH_MODE_IDLE; mVelocityTracker.clear(); break; } } return super.onTouchEvent(ev); }
From source file:com.doomy.library.DiscreteSeekBar.java
@Override public boolean onTouchEvent(MotionEvent event) { if (!isEnabled()) { return false; }/*from w ww .j a v a 2s . c o m*/ int actionMasked = MotionEventCompat.getActionMasked(event); switch (actionMasked) { case MotionEvent.ACTION_DOWN: mDownX = event.getX(); startDragging(event, isInScrollingContainer()); break; case MotionEvent.ACTION_MOVE: if (isDragging()) { updateDragging(event); } else { final float x = event.getX(); if (Math.abs(x - mDownX) > mTouchSlop) { startDragging(event, false); } } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: stopDragging(); break; } return true; }