Android利用属性动画实现优酷菜单

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/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:id="@+id/level3"
 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="6dip"
 android:layout_marginleft="8dip"
 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="6dip"
 android:layout_marginright="8dip"
 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_marginbottom="12dip"
 android:layout_marginright="28dip"
 android:layout_alignparentright="true"
 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_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:id="@+id/level2"
 android:background="@drawable/level2" >

 <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/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/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:layout_width="100dip"
 android:layout_height="50dip"
 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_centerinparent="true"
 android:background="@drawable/icon_home" />
</relativelayout>

</relativelayout>

package com.example.uumusic.menu;

import android.content.context;
import android.view.view;
import android.widget.imagebutton;
import android.widget.relativelayout;
import android.widget.toast;

import com.example.uumusic.r;
import com.example.uumusic.fragment.base.basepager;
import com.example.uumusic.utils.tools;

import butterknife.butterknife;
import butterknife.injectview;

/**
 * created by administrator on 2017.06.07.0007.
 */

public class youkumenu extends basepager {

@injectview(r.id.c1)
imagebutton c1;
@injectview(r.id.c2)
imagebutton c2;
@injectview(r.id.c3)
imagebutton c3;
@injectview(r.id.c4)
imagebutton c4;
@injectview(r.id.c5)
imagebutton c5;
@injectview(r.id.c6)
imagebutton c6;
@injectview(r.id.c7)
imagebutton c7;
@injectview(r.id.level3)
relativelayout level3;
@injectview(r.id.search)
imagebutton search;
@injectview(r.id.menu)
imagebutton menu;
@injectview(r.id.myyouku)
imagebutton myyouku;
@injectview(r.id.level2)
relativelayout level2;
@injectview(r.id.home)
imagebutton home;
private boolean isleve12 = true;
private boolean isleve13 = true;

public youkumenu(context context) {
 super(context);
}

@override
public view initview() {
 view view = view.inflate(mcontext, r.layout.fragment_youku, null);
 butterknife.inject(this,view);
 return view;
}

@override
public void initdata() {
 //为按钮设置点击事件
 home.setonclicklistener(new myonclicklisetner());
 menu.setonclicklistener(new myonclicklisetner());

}

class myonclicklisetner implements view.onclicklistener{

 @override
 public void onclick(view v) {
 switch (v.getid()){
  case r.id.home:
  //当点击home按钮时,开始进行动画的效果
  if (isleve12){
   isleve12 = false;
   tools.hide(level2);
   if (isleve13){
   isleve13 = false;
   tools.hide(level3,200);
   }
  }else {
   isleve12 = true;
   tools.show(level2);
  }
  break;
  case r.id.menu:

  if (isleve13){
   isleve13 = false;
   tools.hide(level3);
  }else {
   isleve13 = true;
   tools.show(level3);
  }
  break;
 }
 }
}
}

package com.example.uumusic.utils;

import android.animation.objectanimator;
import android.content.context;
import android.view.view;
import android.view.viewgroup;
import android.view.animation.rotateanimation;
import android.widget.relativelayout;

/**
 * created by administrator on 2017.06.07.0007.
 */
public class tools {

//隐藏布局
public static void hide(viewgroup view) {
 hide(view, 0);
}

//显示布局
public static void show(viewgroup view) {

 //使用属性动画实现菜单的旋转
 objectanimator animator = objectanimator.offloat(view,"rotation",180,360);
 //设置动画时长
 animator.setduration(300);
 animator.start();
 view.setpivotx(view.getwidth()/2);
 view.setpivoty(view.getheight());
}

//延迟隐藏
public static void hide(viewgroup view, int i) {
 objectanimator animator = objectanimator.offloat(view,"rotation",0,180);
 //设置动画时长
 animator.setduration(300);
 //设置延迟
 animator.setstartdelay(i);
 animator.start();
 view.setpivotx(view.getwidth()/2);
 view.setpivoty(view.getheight());
}
}