@Override
public boolean onTouch(View v, MotionEvent event) {
if (mOutSideOnTouchListener != null) {
mOutSideOnTouchListener.onTouch(v, event);
}
Drawable drawable = v.getBackground();
if (drawable == null) return false;
drawable.mutate();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
drawable.setColorFilter(Color.argb(100, 0, 0, 0), Mode.DST_IN); // 此处值可自行调整
v.setBackgroundDrawable(drawable);
break;
case MotionEvent.ACTION_UP:
drawable.clearColorFilter();
v.setBackgroundDrawable(drawable);
break;
case MotionEvent.ACTION_CANCEL:
drawable.clearColorFilter();
v.setBackgroundDrawable(drawable);
break;
default:
break;
}
return false;
}
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
// coordinates of the touch action
int xTouch = (int) event.getX();
int yTouch = (int) event.getY();
// transparency at the point of the touch
int transparency = Color.alpha(img.getPixel(xTouch, yTouch));
// determine if it was a click
if (xTouch < img.getWidth() && yTouch < img.getHeight() && transparency > 100) {
listener.onTouch(v, event);
}
}
return true;
}