类微信播放音频帧动画实现

package com.example.frame_animation;import android.app.Activity;import android.graphics.drawable.AnimationDrawable;import android.os.Bundle;import android.util.Log;import android.view.KeyEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.view.inputmethod.EditorInfo;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;import android.widget.TextView;/** * 帧动画示例 * 出自：http://blog.csdn.net/aminfo/article/details/7847761 *  * @author chenwenbiao * @date 2013-12-2 下午7:37:07 * @version V1.0 */public class MainActivity extends Activity {private  String TAG = "MainActivity";private ImageView animationIV;private Button playButton , stopButton;private AnimationDrawable animationDrawable;/** * 指定播放时长(单位：秒) */private EditText timeEditText ;/** * 等播放的图片 */private int[] images = { R.drawable.audio_one, R.drawable.audio_two ,R.drawable.audio_three};/** * 设置了新播放时间 */private boolean newTime = true;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_main);                               animationIV = (ImageView) findViewById(R.id.animationIV);        playButton = (Button) findViewById(R.id.buttonA);        stopButton = (Button) findViewById(R.id.buttonB);        timeEditText = (EditText) findViewById(R.id.timeEditText);        timeEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Overridepublic boolean onEditorAction(TextView v, int actionId, KeyEvent event) {if (actionId == EditorInfo.IME_ACTION_GO) { Log.d(TAG , "heheh");                }Log.d(TAG , "actionId :" + actionId);                 return false;}         });animationIV.setImageResource(R.anim.animation3);animationDrawable = (AnimationDrawable) animationIV.getDrawable();animationDrawable.setOneShot(true);        playButton.setOnClickListener(new OnClickListener()        {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubif(newTime){int runTime = Integer.parseInt(timeEditText.getText().toString()) * 1000;//转为秒Log.d(TAG , "runTime:" + runTime);int loop = 0;if(runTime > 600){runTime -= 600;//默认完整动画播放时间是0.6秒，loop = runTime / 600 + 1;//计算还需要多少播放多少次动画}Log.d(TAG , "loop:" + loop);for(int i = 0 ; i < loop ; i++){for(int j = 0 ; j < 3 ; j++){animationDrawable.addFrame(getResources().getDrawable(images[j]), 200); }}newTime = false;}animationDrawable.stop();animationDrawable.start();}                });                 stopButton.setOnClickListener(new OnClickListener()        {@Overridepublic void onClick(View v) {animationDrawable.stop();}                });                    }       }
完整代码见附件。
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