一个旋转菜单

如图所示:

按下菜单键打开 打开或者关闭原形菜单盘,旋转开启或者旋转关闭
按下某些按钮 打开二级,三级或者关闭二级,三级菜单,旋转开启或者旋转关闭

案例:

AnimUtil.java

package com.heima52.youkumenu;

import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.RotateAnimation;
import android.widget.RelativeLayout;

public class AnimUtil {
    public static int animCount = 0;//记录当前执行的动画数量
    public static void closeMenu(RelativeLayout rl,int startOffset){
        for (int i = 0; i < rl.getChildCount(); i++) {
            rl.getChildAt(i).setEnabled(false);
        }

        //pivotXValue: 0-1
        RotateAnimation animation = new RotateAnimation(0, -180,
                RotateAnimation.RELATIVE_TO_SELF, 0.5f,
                RotateAnimation.RELATIVE_TO_SELF, 1);
        animation.setDuration(500);
        animation.setFillAfter(true);//动画结束后保持当时的状态
        animation.setStartOffset(startOffset);

        animation.setAnimationListener(new MyAnimationListener());

        rl.startAnimation(animation);
    }

    public static void showMenu(RelativeLayout rl,int startOffset){
        for (int i = 0; i < rl.getChildCount(); i++) {
            rl.getChildAt(i).setEnabled(true);
        }

        RotateAnimation animation = new RotateAnimation(-180, 0,
                RotateAnimation.RELATIVE_TO_SELF, 0.5f,
                RotateAnimation.RELATIVE_TO_SELF, 1);
        animation.setDuration(500);
        animation.setFillAfter(true);//动画结束后保持当时的状态
        animation.setStartOffset(startOffset);

        animation.setAnimationListener(new MyAnimationListener());

        rl.startAnimation(animation);
    }

    static class MyAnimationListener implements AnimationListener{
        @Override
        public void onAnimationStart(Animation animation) {
            animCount++;
        }
        @Override
        public void onAnimationEnd(Animation animation) {
            animCount--;
        }
        @Override
        public void onAnimationRepeat(Animation animation) {
        }

    }
}

MainActivity.java

package com.heima52.youkumenu;

import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.RelativeLayout;

public class MainActivity extends Activity implements OnClickListener{
    private String tag = MainActivity.class.getSimpleName();
    private ImageView iv_home,iv_menu;
    private RelativeLayout level1,level2,level3;

    private boolean isShowLevel2 = true;//是否显示2级菜单
    private boolean isShowLevel3 = true;//是否显示3级菜单

    private boolean isShowMenu = true;//是否显示整个菜单，包括1级，2级，3级的菜单
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initView();
        initListener();
    }

    private void initView() {
        setContentView(R.layout.activity_main);
        iv_home = (ImageView) findViewById(R.id.iv_home);
        iv_menu = (ImageView) findViewById(R.id.iv_menu);
        level1 = (RelativeLayout) findViewById(R.id.level1);
        level2 = (RelativeLayout) findViewById(R.id.level2);
        level3 = (RelativeLayout) findViewById(R.id.level3);
    }

    private void initListener() {
        iv_home.setOnClickListener(this);
        iv_menu.setOnClickListener(this);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if(keyCode==KeyEvent.KEYCODE_MENU){

            if(isShowMenu){
                //需要关闭所有菜单
                int startOffset = 0;
                if(isShowLevel3){
                    AnimUtil.closeMenu(level3, startOffset);
                    isShowLevel3 = false;
                    startOffset += 200;
                }
                if(isShowLevel2){
                    AnimUtil.closeMenu(level2, startOffset);
                    isShowLevel2 = false;
                    startOffset += 200;
                }

                AnimUtil.closeMenu(level1, startOffset);

            }else {
                //需要显示所有菜单
                AnimUtil.showMenu(level1,0);
                AnimUtil.showMenu(level2,200);
                isShowLevel2 = true;
                AnimUtil.showMenu(level3,400);
                isShowLevel3 = true;

            }
            isShowMenu = !isShowMenu;

            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.iv_home:
            if(AnimUtil.animCount!=0){
                //说明有动画在执行
                return;
            }
            if(isShowLevel2){
                //需要隐藏
                int startOffset = 0;
                if(isShowLevel3){
                    AnimUtil.closeMenu(level3,startOffset);
                    startOffset += 200;
                    isShowLevel3 = false;
                }

                AnimUtil.closeMenu(level2,startOffset);
            }else{
                //需要显示
//              Log.e(tag, "执行显示操作");
                AnimUtil.showMenu(level2,0);
            }
            isShowLevel2 = !isShowLevel2;
            break;
        case R.id.iv_menu:
            if(AnimUtil.animCount!=0){
                //说明有动画在执行
                return;
            }
            if(isShowLevel3){
                //隐藏3级菜单
                AnimUtil.closeMenu(level3,0);
            }else {
                //显示3级菜单
                AnimUtil.showMenu(level3,0);
            }
            isShowLevel3 = !isShowLevel3;
            break;
        default:
            break;
        }
    }


}

布局文件

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
     >

    <!-- 一级菜单 -->
    <RelativeLayout android:layout_width="100dp"
        android:background="@drawable/level1"
        android:layout_alignParentBottom="true"
        android:id="@+id/level1"
        android:layout_centerHorizontal="true"
        android:layout_height="50dp">

        <ImageView 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:id="@+id/iv_home"
            android:background="@drawable/icon_home"/>

    </RelativeLayout>

     <!-- 二级菜单 -->
    <RelativeLayout android:layout_width="180dp"
        android:layout_height="90dp"
        android:id="@+id/level2"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:background="@drawable/level2">

        <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="10dp"
            android:layout_marginLeft="10dp"
            android:background="@drawable/icon_search"/>

         <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentRight="true"
            android:layout_marginBottom="10dp"
            android:layout_marginRight="10dp"
            android:background="@drawable/icon_myyouku"/>

         <ImageView android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="5dp"
             android:id="@+id/iv_menu"
             android:background="@drawable/icon_menu"
             android:layout_centerHorizontal="true"/>

    </RelativeLayout>

    <RelativeLayout android:layout_width="280dp"
        android:layout_height="142dp"
        android:id="@+id/level3"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:background="@drawable/level3">


        <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="15dp"
            android:layout_marginLeft="12dp"
            android:background="@drawable/channel1"
            />

        <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="15dp"
            android:layout_alignParentRight="true"
            android:layout_marginRight="12dp"
            android:background="@drawable/channel5"
            />

         <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="55dp"
            android:layout_marginLeft="32dp"
            android:background="@drawable/channel2"
            />

          <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentRight="true"
            android:layout_marginBottom="55dp"
            android:layout_marginRight="32dp"
            android:background="@drawable/channel6"
            />

            <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="85dp"
            android:layout_marginLeft="62dp"
            android:background="@drawable/channel3"
            />

             <ImageView android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_alignParentBottom="true"
            android:layout_marginBottom="85dp"
            android:background="@drawable/channel7"
            android:layout_marginRight="62dp"
            />

             <ImageView android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="5dp"
                 android:layout_centerHorizontal="true"
                 android:background="@drawable/channel4"/>

    </RelativeLayout>
</RelativeLayout>