/// <summary>MotionEvent has no getRawX(int) method; simulate it pending future API approval. /// </summary> /// <remarks>MotionEvent has no getRawX(int) method; simulate it pending future API approval. /// </remarks> private static float getRawX(android.view.MotionEvent @event, int pointerIndex) { if (pointerIndex < 0) { return(float.MinValue); } if (pointerIndex == 0) { return(@event.getRawX()); } float offset = @event.getRawX() - @event.getX(); return(@event.getX(pointerIndex) + offset); }
public virtual bool onTouch(android.view.View v, android.view.MotionEvent @event) { int action = @event.getAction(); if (@event.getPointerCount() > 1) { // ZoomButtonsController doesn't handle mutitouch. Give up control. return(false); } if (mReleaseTouchListenerOnUp) { // The controls were dismissed but we need to throw away all events until the up if (action == android.view.MotionEvent.ACTION_UP || action == android.view.MotionEvent .ACTION_CANCEL) { mOwnerView.setOnTouchListener(null); setTouchTargetView(null); mReleaseTouchListenerOnUp = false; } // Eat this event return(true); } dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); android.view.View targetView = mTouchTargetView; switch (action) { case android.view.MotionEvent.ACTION_DOWN: { targetView = findViewForTouch((int)@event.getRawX(), (int)@event.getRawY()); setTouchTargetView(targetView); break; } case android.view.MotionEvent.ACTION_UP: case android.view.MotionEvent.ACTION_CANCEL: { setTouchTargetView(null); break; } } if (targetView != null) { // The upperleft corner of the target view in raw coordinates int targetViewRawX = mContainerRawLocation[0] + mTouchTargetWindowLocation[0]; int targetViewRawY = mContainerRawLocation[1] + mTouchTargetWindowLocation[1]; android.view.MotionEvent containerEvent = android.view.MotionEvent.obtain(@event); // Convert the motion event into the target view's coordinates (from // owner view's coordinates) containerEvent.offsetLocation(mOwnerViewRawLocation[0] - targetViewRawX, mOwnerViewRawLocation [1] - targetViewRawY); // These are floats because we need to potentially offset away this exact amount float containerX = containerEvent.getX(); float containerY = containerEvent.getY(); if (containerX < 0 && containerX > -ZOOM_CONTROLS_TOUCH_PADDING) { containerEvent.offsetLocation(-containerX, 0); } if (containerY < 0 && containerY > -ZOOM_CONTROLS_TOUCH_PADDING) { containerEvent.offsetLocation(0, -containerY); } bool retValue = targetView.dispatchTouchEvent(containerEvent); containerEvent.recycle(); return(retValue); } else { return(false); } }