//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;     }   }); }