Android自定义控件4--优酷菜单的菜单键及细节补充

时间:2021-12-08 20:38:14

上篇文章中实现了优酷菜单执行动画,本文接着完善已经实现的动画功能

本文地址:http://www.cnblogs.com/wuyudong/p/5915958.html ,转载请注明源地址。

已经实现的菜单动画功能存在一点BUG,那就是当快速连续点击menu或home按钮的时候,动画出现进入和退出不定操作现象

Android自定义控件4--优酷菜单的菜单键及细节补充

下面来解决这一问题,可以通过监听事件来判断当前是否正在执行进入或进出操作,代码如下:

package com.wuyudong.youkumenu.utils;

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

public class AnimationUtils {
    
    public static int runningAnimationCount = 0; // 旋转出去的动画
    public static void rotateOutAnim(RelativeLayout layout, long delay) {
        RotateAnimation ra = new RotateAnimation(
                0f, -180f, //开始,结束的角度, 逆时针
                Animation.RELATIVE_TO_SELF, 0.5f, //相对的x坐标点(指定旋转中心x值)
                Animation.RELATIVE_TO_SELF, 1.0f); //相对的y坐标点(指定旋转中心y值)
        ra.setDuration(500);
        ra.setFillAfter(true); //设置动画停留在结束位置
        ra.setStartOffset(delay); //设置动画开始延时
        ra.setAnimationListener(new MyAnimationListener());//添加监听
        layout.startAnimation(ra);
        
    }
    
    // 旋转进来的动画
    public static void rotateInAnim(RelativeLayout layout) {
        RotateAnimation ra = new RotateAnimation(
                -180f, 0f,  //开始,结束的角度, 顺时针
                Animation.RELATIVE_TO_SELF, 0.5f, //相对的x坐标点(指定旋转中心x值)
                Animation.RELATIVE_TO_SELF, 1.0f); //相对的y坐标点(指定旋转中心y值)
        ra.setDuration(500);
        ra.setFillAfter(true);
        ra.setAnimationListener(new MyAnimationListener());
        layout.startAnimation(ra);
        
    }
    
    static class MyAnimationListener implements AnimationListener {

        @Override
        public void onAnimationStart(Animation animation) {
            runningAnimationCount++;
            
        }

        @Override
        public void onAnimationEnd(Animation animation) {
            runningAnimationCount--;
        }

        @Override
        public void onAnimationRepeat(Animation animation) {
            // TODO Auto-generated method stub
            
        }
        
    }

}

在点击事件中添加一小段判断的代码即可

    public void onClick(View v) {
        if (AnimationUtils.runningAnimationCount > 0) { //当前有动画正在执行,不执行当前事件
            return; }
       .......

问题搞定

接下来还要进一步完善,当用户点击手机menu的时候,同样能得到点击优酷菜单同样的动画效果

这样需要判断用户的点击本机menu按键事件:

    public boolean onKeyDown(int keyCode, KeyEvent event) {
        // keyCode   事件码
        if(keyCode == KeyEvent.KEYCODE_MENU) {
            if (AnimationUtils.runningAnimationCount > 0) {
                //当前有动画正在执行,不执行当前事件
                return true;
            }
            if (islevel1Display) {
                long delay = 0;
                //隐藏三级菜单
                if(islevel3Display) {
                    AnimationUtils.rotateOutAnim(rl_level3, 0);
                    islevel3Display = false;
                    delay += 200;
                }
                
                //隐藏二级菜单
                if(islevel2Display) {
                    AnimationUtils.rotateOutAnim(rl_level2, delay);
                    islevel2Display = false;
                    delay += 200;
                }
                
                //隐藏二级菜单
                AnimationUtils.rotateOutAnim(rl_level1, delay);
            } else {
                AnimationUtils.rotateInAnim(rl_level1, 0);
                AnimationUtils.rotateInAnim(rl_level2, 200);
                AnimationUtils.rotateInAnim(rl_level3, 400);
                
                islevel3Display = true;
                islevel2Display = true;
            }
            islevel1Display = !islevel1Display;
            return true; //消费当前事件
        }
        return super.onKeyDown(keyCode, event);
    }

完整的AnimationUtils代码如下:

package com.wuyudong.youkumenu.utils;

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

public class AnimationUtils {
    
    public static int runningAnimationCount = 0;

    // 旋转出去的动画
    public static void rotateOutAnim(RelativeLayout layout, long delay) {
        int childCount = layout.getChildCount();
        //如果隐藏,则找到所有的子View,禁用
        for (int i = 0; i < childCount; i++) {
            layout.getChildAt(i).setEnabled(false);
        }
        RotateAnimation ra = new RotateAnimation(
                0f, -180f, //开始,结束的角度, 逆时针
                Animation.RELATIVE_TO_SELF, 0.5f, //相对的x坐标点(指定旋转中心x值)
                Animation.RELATIVE_TO_SELF, 1.0f); //相对的y坐标点(指定旋转中心y值)
        ra.setDuration(500);
        ra.setFillAfter(true); //设置动画停留在结束位置
        ra.setStartOffset(delay); //设置动画开始延时
        ra.setAnimationListener(new MyAnimationListener());//添加监听
        layout.startAnimation(ra);
        
    }
    
    // 旋转进来的动画
    public static void rotateInAnim(RelativeLayout layout, long delay) {
        int childCount = layout.getChildCount();
        //如果隐藏,则找到所有的子View,启用
        for (int i = 0; i < childCount; i++) {
            layout.getChildAt(i).setEnabled(true);
        }
        RotateAnimation ra = new RotateAnimation(
                -180f, 0f,  //开始,结束的角度, 顺时针
                Animation.RELATIVE_TO_SELF, 0.5f, //相对的x坐标点(指定旋转中心x值)
                Animation.RELATIVE_TO_SELF, 1.0f); //相对的y坐标点(指定旋转中心y值)
        ra.setDuration(500);
        ra.setFillAfter(true);
        ra.setStartOffset(delay); //设置动画开始延时
        ra.setAnimationListener(new MyAnimationListener());
        layout.startAnimation(ra);
        
    }
    
    static class MyAnimationListener implements AnimationListener {

        @Override
        public void onAnimationStart(Animation animation) {
            runningAnimationCount++;
            
        }

        @Override
        public void onAnimationEnd(Animation animation) {
            runningAnimationCount--;
        }

        @Override
        public void onAnimationRepeat(Animation animation) {
            // TODO Auto-generated method stub
            
        }
        
    }

}

完整的MainActivity代码如下:

package com.wuyudong.youkumenu;

import com.wuyudong.youkumenu.utils.AnimationUtils;

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

public class MainActivity extends Activity implements OnClickListener {

    private RelativeLayout rl_level1;
    private RelativeLayout rl_level2;
    private RelativeLayout rl_level3;
    private boolean islevel1Display = true;
    private boolean islevel2Display = true;
    private boolean islevel3Display = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // 初始化控件
        initViews();
    }

    private void initViews() {
        // 添加点击事件
        findViewById(R.id.ib_home).setOnClickListener(this);
        findViewById(R.id.ib_menu).setOnClickListener(this);
        rl_level1 = (RelativeLayout) findViewById(R.id.rl_level1);
        rl_level2 = (RelativeLayout) findViewById(R.id.rl_level2);
        rl_level3 = (RelativeLayout) findViewById(R.id.rl_level3);

    }
    
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        // keyCode   事件码
        if(keyCode == KeyEvent.KEYCODE_MENU) {
            if (AnimationUtils.runningAnimationCount > 0) {
                //当前有动画正在执行,不执行当前事件
                return true;
            }
            if (islevel1Display) {
                long delay = 0;
                //隐藏三级菜单
                if(islevel3Display) {
                    AnimationUtils.rotateOutAnim(rl_level3, 0);
                    islevel3Display = false;
                    delay += 200;
                }
                
                //隐藏二级菜单
                if(islevel2Display) {
                    AnimationUtils.rotateOutAnim(rl_level2, delay);
                    islevel2Display = false;
                    delay += 200;
                }
                
                //隐藏二级菜单
                AnimationUtils.rotateOutAnim(rl_level1, delay);
            } else {
                AnimationUtils.rotateInAnim(rl_level1, 0);
                AnimationUtils.rotateInAnim(rl_level2, 200);
                AnimationUtils.rotateInAnim(rl_level3, 400);
                
                islevel3Display = true;
                islevel2Display = true;
            }
            islevel1Display = !islevel1Display;
            return true; //消费当前事件
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public void onClick(View v) {
        if (AnimationUtils.runningAnimationCount > 0) {
            //当前有动画正在执行,不执行当前事件
            return;
        }
        switch (v.getId()) {
        case R.id.ib_home:
            if (islevel2Display) {
                long delay = 200;
                // 如果当前三级菜单已经显示,先转出去
                if (islevel3Display) {
                    AnimationUtils.rotateOutAnim(rl_level3, 0);
                    islevel3Display = false;
                    delay += 200;
                }
                // 如果当前二级菜单已经显示,转出去
                AnimationUtils.rotateOutAnim(rl_level2, delay);

            } else {
                // 如果当前二级菜单没有显示,转出来
                AnimationUtils.rotateInAnim(rl_level2, 0);
            }
            islevel2Display = !islevel2Display;
            break;
        case R.id.ib_menu:
            if (islevel3Display) {
                // 如果当前三级菜单已经显示,转出去
                AnimationUtils.rotateOutAnim(rl_level3, 0);
            } else {
                AnimationUtils.rotateInAnim(rl_level3, 0);
            }
            islevel3Display = !islevel3Display;
            break;

        default:
            break;
        }

    }

}