Seekbar扩大点击区域

//扩大点击区域
private void enlargeSeekBar() {
  mContentView.setOnTouchListener(new OnTouchListener() {//mContentView是mProgressSeekBar的父view

    @Override
    public boolean onTouch(View v, MotionEvent event) {
      Rect seekRect = new Rect();
      mProgressSeekBar.getHitRect(seekRect);

      if ((event.getY() >= (seekRect.top - 100)) && (event.getY() <= (seekRect.bottom + 100))
          && event.getX() >= seekRect.left && event.getX() <= seekRect.right) {

        float y = seekRect.top + seekRect.height() / 2;
        float x = event.getX() - seekRect.left;//seekBar只接受相对x位置
        if (x < 0) {
          x = 0;
        } else if (x > seekRect.width()) {
          x = seekRect.width();
        }
        MotionEvent me = MotionEvent.obtain(event.getDownTime(), event.getEventTime(),
            event.getAction(), x, y, event.getMetaState());
        return mProgressSeekBar.onTouchEvent(me);

      }
      return false;
    }
  });
}
巴特西

Seekbar扩大点击区域

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