private void startDragging(Bitmap bitmap, int y) {
stopDragging();
if (bitmap.getHeight() > maximumDragViewHeight) {
bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), maximumDragViewHeight);
}
ImageView imageView = getGlowingBorder(bitmap);
WindowManager.LayoutParams dragViewParameters = createLayoutParameters();
if (isScrolling) {
isScrolling = false;
dragViewParameters.y = getHeight() / 2 - bitmap.getHeight() / 2;
} else {
dragViewParameters.y = y - bitmap.getHeight() / 2;
}
dragViewParameters.windowAnimations = R.style.brick_new;
WindowManager windowManager = getWindowManager();
windowManager.addView(imageView, dragViewParameters);
dragView = imageView;
}
public void resetDraggingScreen() {
stopDragging();
dimBackground = false;
dragNewBrick = false;
invalidate();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
if (y < 0) {
y = 0;
} else if (y > getHeight()) {
y = getHeight();
}
int itemPosition = pointToPosition(x, y);
itemPosition =
itemPosition < 0 ? ((BrickAdapter) dragAndDropListener).getCount() - 1 : itemPosition;
if (touchedListPosition != itemPosition) {
touchedListPosition = itemPosition;
if (dragAndDropListener != null) {
dragAndDropListener.setTouchedScript(touchedListPosition);
}
}
if (dragAndDropListener != null && dragView != null) {
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
setDragViewAnimation(0);
dragAndDropListener.drop();
stopDragging();
dimBackground = false;
dragNewBrick = false;
break;
case MotionEvent.ACTION_MOVE:
scrollListWithDraggedItem(y);
dragTouchedListItem((int) event.getRawY());
dragItemInList(y, itemPosition);
dimBackground = true;
break;
}
return true;
}
return super.onTouchEvent(event);
}