android实现图片闪烁动画效果的两种实现方式(实用性高)

package com.jereh.musicapplication.threadpool;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.ScheduledExecutorService;/*** Created by zhangdi on 2016/9/1.* 这是一个线程池的工具类，在用到线程的时候可以直接类名加方法名使用*/public class ThreadPoolManager {/** 线程执行器 **/private static ExecutorService executorService = null;/** 固定5个线程 **/private static int nThreads = 5;/** 单例 **/private static ThreadPoolManager taskExecutorPool = null;/** 初始化线程池 **/static {taskExecutorPool = new ThreadPoolManager(nThreads * getNumCores());}/** 构造函数 **/private ThreadPoolManager(int threads) {//executorService = Executors.newFixedThreadPool(threads);executorService = Executors.newScheduledThreadPool(threads);}/*** 取得单例** @return*/public static ThreadPoolManager getInstance() {return taskExecutorPool;}/*** 取得线程执行器** @return*/public ExecutorService getExecutorService() {return executorService;}/*** 取得周期性线程执行器* @return*/public ScheduledExecutorService getScheduledExcutorService(){return (ScheduledExecutorService)executorService;}/*** 获得手机cup个数* @return*/public static int getNumCores() {int threadCount = Runtime.getRuntime().availableProcessors();return threadCount;}}

<FrameLayoutandroid:layout_width="match_parent"android:layout_height="match_parent"android:id="@+id/fl"/>

package com.jereh.musicapplication;import android.graphics.drawable.Drawable;import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.FrameLayout;import com.jereh.musicapplication.threadpool.ThreadPoolManager;import java.util.Timer;import java.util.TimerTask;import java.util.concurrent.TimeUnit;public class FrameActivity extends AppCompatActivity {private Timer timer;FrameLayout frameLayout;Drawable drawable;android.os.Handler handler = new android.os.Handler(){int i = 0;@Overridepublic void handleMessage(Message msg) {if (msg.what==1){i++;move(i%4);}super.handleMessage(msg);}};void move(int i){drawable = getResources().getDrawable(R.mipmap.ic_launcher,null);Drawable drawable1 = getResources().getDrawable(R.mipmap.dd1,null);Drawable drawable2 = getResources().getDrawable(R.mipmap.dd2,null);Drawable drawable3 = getResources().getDrawable(R.mipmap.dd3,null);switch (i){case 0:frameLayout.setForeground(drawable);break;case 1:frameLayout.setForeground(drawable1);break;case 2:frameLayout.setForeground(drawable2);break;case 3:frameLayout.setForeground(drawable3);break;}}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_frame);frameLayout = (FrameLayout)findViewById(R.id.fl);timer = new Timer();// timer.schedule(new TimerTask() {// @Override// public void run() {// handler.sendEmptyMessage(1);// }// },0,500);//第二个参数是隔多少秒之后开始显示，第三个是隔多久显示下一个ThreadPoolManager.getInstance().getScheduledExcutorService().scheduleAtFixedRate(new Runnable() {@Overridepublic void run() {handler.sendEmptyMessage(1);}},0,500, TimeUnit.MILLISECONDS);//第二个参数是隔多少秒之后开始显示，第三个是隔多久显示下一个}@Overrideprotected void onDestroy() {timer.cancel();super.onDestroy();}}

/*** 透明效果* @return*/public Animation getAlphaAnimationIn() {//实例化 AlphaAnimation 主要是改变透明度//透明度 从 1-不透明 0-完全透明Animation animation = new AlphaAnimation(1.0f, 0);//设置动画插值器 被用来修饰动画效果,定义动画的变化率animation.setInterpolator(new DecelerateInterpolator());//设置动画执行时间animation.setDuration(2000);return animation;}public Animation getAlphaAnimationOut() {//实例化 AlphaAnimation 主要是改变透明度//透明度 从 1-不透明 0-完全透明Animation animation = new AlphaAnimation(0, 1.0f);//设置动画插值器 被用来修饰动画效果,定义动画的变化率animation.setInterpolator(new DecelerateInterpolator());//设置动画执行时间animation.setDuration(2000);return animation;}

voiceState1.setAnimation(animationIn);voiceState1.setAnimation(animationOut);/*** 监听动画实现动画间的切换*/animationOut.setAnimationListener(new Animation.AnimationListener() {@Overridepublic void onAnimationStart(Animation animation) {}@Overridepublic void onAnimationEnd(Animation animation) {voiceState1.startAnimation(animationIn);}@Overridepublic void onAnimationRepeat(Animation animation) {}});animationIn.setAnimationListener(new Animation.AnimationListener() {@Overridepublic void onAnimationStart(Animation animation) {}@Overridepublic void onAnimationEnd(Animation animation) {voiceState1.startAnimation(animationOut);}@Overridepublic void onAnimationRepeat(Animation animation) {}});