Android uses attribute animation to implement Youku menu

<RelativeLayout xmlns:andro
xmlns:tools="/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >

<RelativeLayout
 android:layout_width="280dip"
 android:layout_height="140dip"
 android:layout_alignParentBottom="true"
 android:layout_centerHorizontal="true"
 android:
 android:background="@drawable/level3" >

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_alignParentBottom="true"
 android:layout_marginBottom="6dip"
 android:layout_marginLeft="12dip"
 android:background="@drawable/channel1" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_above="@id/c1"
 android:layout_marginBottom="12dip"
 android:layout_marginLeft="28dip"
 android:background="@drawable/channel2" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_above="@id/c2"
 android:layout_marginBottom="6dip"
 android:layout_marginLeft="8dip"
 android:layout_toRightOf="@id/c2"
 android:background="@drawable/channel3" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_centerHorizontal="true"
 android:layout_margin="6dip"
 android:background="@drawable/channel4" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_above="@+id/c6"
 android:layout_marginBottom="6dip"
 android:layout_marginRight="8dip"
 android:layout_toLeftOf="@+id/c6"
 android:background="@drawable/channel5" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_above="@+id/c7"
 android:layout_marginBottom="12dip"
 android:layout_marginRight="28dip"
 android:layout_alignParentRight="true"
 android:background="@drawable/channel6" />


 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_alignParentBottom="true"
 android:layout_marginBottom="6dip"
 android:layout_marginRight="12dip"
 android:layout_alignParentRight="true"
 android:background="@drawable/channel7" />
</RelativeLayout>

<RelativeLayout
 android:layout_width="180dip"
 android:layout_height="90dip"
 android:layout_alignParentBottom="true"
 android:layout_centerHorizontal="true"
 android:
 android:background="@drawable/level2" >

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_alignParentBottom="true"
 android:layout_margin="10dip"
 android:background="@drawable/icon_search" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_centerHorizontal="true"
 android:layout_margin="6dip"
 android:background="@drawable/icon_menu" />

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_alignParentBottom="true"
 android:layout_alignParentRight="true"
 android:layout_margin="10dip"
 android:background="@drawable/icon_myyouku" />
</RelativeLayout>

<RelativeLayout
 android:layout_width="100dip"
 android:layout_height="50dip"
 android:layout_alignParentBottom="true"
 android:layout_centerHorizontal="true"
 android:background="@drawable/level1" >

 <ImageButton
 android:
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_centerInParent="true"
 android:background="@drawable/icon_home" />
</RelativeLayout>

</RelativeLayout>

package ;

import ;
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/**
 * Created by Administrator on 2017.06.07.0007.
 */

public class YoukuMenu extends BasePager {

@InjectView(.c1)
ImageButton c1;
@InjectView(.c2)
ImageButton c2;
@InjectView(.c3)
ImageButton c3;
@InjectView(.c4)
ImageButton c4;
@InjectView(.c5)
ImageButton c5;
@InjectView(.c6)
ImageButton c6;
@InjectView(.c7)
ImageButton c7;
@InjectView(.level3)
RelativeLayout level3;
@InjectView()
ImageButton search;
@InjectView()
ImageButton menu;
@InjectView()
ImageButton myyouku;
@InjectView(.level2)
RelativeLayout level2;
@InjectView()
ImageButton home;
private boolean isLeve12 = true;
private boolean isLeve13 = true;

public YoukuMenu(Context context) {
 super(context);
}

@Override
public View initView() {
 View view = (mContext, .fragment_youku, null);
 (this,view);
 return view;
}

@Override
public void initData() {
 //Set click event for the button (new MyOnClickLisetner());
 (new MyOnClickLisetner());

}

class MyOnClickLisetner implements {

 @Override
 public void onClick(View v) {
 switch (()){
  case :
  // When clicking the home button, the animation effect begins  if (isLeve12){
   isLeve12 = false;
   (level2);
   if (isLeve13){
   isLeve13 = false;
   (level3,200);
   }
  }else {
   isLeve12 = true;
   (level2);
  }
  break;
  case :

  if (isLeve13){
   isLeve13 = false;
   (level3);
  }else {
   isLeve13 = true;
   (level3);
  }
  break;
 }
 }
}
}

package ;

import ;
import ;
import ;
import ;
import ;
import ;

/**
 * Created by Administrator on 2017.06.07.0007.
 */
public class Tools {

//Hide layoutpublic static void hide(ViewGroup view) {
 hide(view, 0);
}

//Show layoutpublic static void show(ViewGroup view) {

 //Use attribute animation to realize menu rotation ObjectAnimator animator = (view,"rotation",180,360);
 //Set the animation duration (300);
 ();
 (()/2);
 (());
}

//Delay Hidepublic static void hide(ViewGroup view, int i) {
 ObjectAnimator animator = (view,"rotation",0,180);
 //Set the animation duration (300);
 //Set delay (i);
 ();
 (()/2);
 (());
}
}