<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" 
  android:background="#c9c9c9" > 
  <RelativeLayout 
    android:id="@+id/relate_level3" 
    android:layout_width="280dp" 
    android:layout_height="140dp" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:background="@drawable/level3" > 
    <ImageButton 
     android:id="@+id/c1" 
     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:id="@+id/c2" 
     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:id="@+id/c3" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_above="@+id/c2" 
     android:layout_marginBottom="8dip" 
     android:layout_marginLeft="6dip" 
     android:layout_toRightOf="@+id/c2" 
     android:background="@drawable/channel3" /> 
    <ImageButton 
     android:id="@+id/c4" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_centerHorizontal="true" 
     android:layout_margin="6dip" 
     android:background="@drawable/channel4" /> 
    <ImageButton 
     android:id="@+id/c5" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_above="@+id/c6" 
     android:layout_marginBottom="8dip" 
     android:layout_marginRight="6dip" 
     android:layout_toLeftOf="@+id/c6" 
     android:background="@drawable/channel5" /> 
    <ImageButton 
     android:id="@+id/c6" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_above="@+id/c7" 
     android:layout_alignParentRight="true" 
     android:layout_marginBottom="12dip" 
     android:layout_marginRight="28dip" 
     android:background="@drawable/channel6" /> 
    <ImageButton 
     android:id="@+id/c7" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:layout_alignParentRight="true" 
     android:layout_marginBottom="6dip" 
     android:layout_marginRight="12dip" 
     android:background="@drawable/channel7" /> 
  </RelativeLayout> 
  <RelativeLayout 
    android:id="@+id/relate_level2" 
    android:layout_width="180dp" 
    android:layout_height="90dp" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:background="@drawable/level2" > 
    <ImageButton 
     android:id="@+id/menu" 
     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:id="@+id/search" 
     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:id="@+id/myyouku" 
     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:id="@+id/relate_level1" 
    android:layout_width="100dp" 
    android:layout_height="50dp" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:background="@drawable/level1" > 
    <ImageButton 
     android:id="@+id/home" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:layout_centerHorizontal="true" 
     android:layout_marginBottom="10dp" 
     android:background="@drawable/icon_home" /> 
  </RelativeLayout> 
</RelativeLayout>

public class TestYoukuActivity extends Activity { 
  /** Called when the activity is first created. */ 
  private boolean areLevel2Showing = true, areLevel3Showing = true; 
  private RelativeLayout relate_level2, relate_level3; 
  private ImageButton home, menu; 
  @Override 
  public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
    findViews(); 
    setListener();  
  } 
  private void findViews() { 
    relate_level2 = (RelativeLayout) findViewById(R.id.relate_level2); 
    relate_level3 = (RelativeLayout) findViewById(R.id.relate_level3); 
    home = (ImageButton) findViewById(R.id.home); 
    menu = (ImageButton) findViewById(R.id.menu); 
  } 
  private void setListener() { 
    // 给大按钮设置点击事件 
    home.setOnClickListener(new OnClickListener() { 
     @Override 
     public void onClick(View v) { 
       if (!areLevel2Showing) { 
        MyAnimation.startAnimationsIn(relate_level2, 500); 
       } else { 
        if (areLevel3Showing) { 
          MyAnimation.startAnimationsOut(relate_level2, 500, 500); 
          MyAnimation.startAnimationsOut(relate_level3, 500, 0); 
          areLevel3Showing = !areLevel3Showing; 
        } else { 
          MyAnimation.startAnimationsOut(relate_level2, 500, 0); 
        } 
       } 
       areLevel2Showing = !areLevel2Showing; 
     } 
    }); 
    menu.setOnClickListener(new OnClickListener() { 
     @Override 
     public void onClick(View v) { 
       if (!areLevel3Showing) { 
        MyAnimation.startAnimationsIn(relate_level3, 500); 
       } else { 
        MyAnimation.startAnimationsOut(relate_level3, 500, 0); 
       } 
       areLevel3Showing = !areLevel3Showing; 
     } 
    }); 
  } 
}