1 @Override 2     protected void onCreate(Bundle savedInstanceState) { 3         super.onCreate(savedInstanceState); 4         setContentView(R.layout.activity_main); 5  6 HorizontalScrollView hsTabs = (HorizontalScrollView ) findViewById(R.id.hsTabs); 7  8 new Handler().postDelayed(new Runnable() { 9 10             @Override11             public void run() {12 13                 14                 15                 ObjectAnimator oa = ObjectAnimator.ofInt(hsTabs, "scrollX", 0, 150);16                 oa.setDuration(500);17                 18 19                 final ObjectAnimator oa2 = ObjectAnimator20                         .ofInt(hsTabs, "scrollX", 150, 0);21                 oa2.setDuration(500);22 23                 oa.addListener(new AnimatorListener() {24 25                     @Override26                     public void onAnimationStart(Animator arg0) {27 28                     }29 30                     @Override31                     public void onAnimationRepeat(Animator arg0) {32 33                     }34 35                     @Override36                     public void onAnimationEnd(Animator arg0) {37                         oa2.start();38 39                     }40 41                     @Override42                     public void onAnimationCancel(Animator arg0) {43 44                     }45                 });46 47                 oa.start();48 49             }50         }, 1000);51 }