1 package cn.bgxt.soundpooldemo;
 2
 3 import java.util.HashMap;
 4 import java.util.Map;
 5
 6 import android.media.AudioManager;
 7 import android.media.SoundPool;
 8 import android.media.SoundPool.OnLoadCompleteListener;
 9 import android.os.Bundle;
10 import android.app.Activity;
11 import android.util.Log;
12 import android.view.View;
13 import android.view.View.OnClickListener;
14 import android.widget.Button;
15 import android.widget.Toast;
16
17 public class MainActivity extends Activity {
18     private Button btn_newqqmsg, btn_newweibontf, btn_newweibotoast;
19     private SoundPool pool;
20     private Map<String, Integer> poolMap;
21
22     @Override
23     protected void onCreate(Bundle savedInstanceState) {
24         super.onCreate(savedInstanceState);
25         setContentView(R.layout.activity_main);
26         btn_newqqmsg = (Button) findViewById(R.id.btn_newqqmsg);
27         btn_newweibontf = (Button) findViewById(R.id.btn_newweibontf);
28         btn_newweibotoast = (Button) findViewById(R.id.btn_newweibotoast);
29
30         poolMap = new HashMap<String, Integer>();
31         // 实例化SoundPool，大小为3
32         pool = new SoundPool(3, AudioManager.STREAM_MUSIC, 0);
33         // 装载音频进音频池，并且把ID记录在Map中
34         poolMap.put("newqqmsg", pool.load(this, R.raw.qqmsg, 1));
35         poolMap.put("newweibontf", pool.load(this, R.raw.notificationsound, 1));
36         poolMap.put("newweibotoast", pool.load(this, R.raw.newblogtoast, 1));
37
38         pool.setOnLoadCompleteListener(new OnLoadCompleteListener() {
39
40             @Override
41             public void onLoadComplete(SoundPool soundPool, int sampleId,
42                     int status) {
43                 // 每次装载完成均会回调
44                 Log.i("main", "音频池资源id为：" + sampleId + "的资源装载完成");
45                 // 当前装载完成ID为map的最大值，即为最后一次装载完成
46                 if (sampleId == poolMap.size()) {
47                     Toast.makeText(MainActivity.this, "加载声音池完成!",
48                             Toast.LENGTH_SHORT).show();
49                     btn_newqqmsg.setOnClickListener(click);
50                     btn_newweibontf.setOnClickListener(click);
51                     btn_newweibotoast.setOnClickListener(click);
52                     // 进入应用播放四次声音
53                     pool.play(poolMap.get("newweibotoast"), 1.0f, 1.0f, 0, 3,
54                             1.0f);
55                 }
56             }
57         });
58     }
59
60     private View.OnClickListener click = new OnClickListener() {
61
62         @Override
63         public void onClick(View v) {
64
65             switch (v.getId()) {
66             case R.id.btn_newqqmsg:
67                 if (pool != null) {
68                     pool.play(poolMap.get("newqqmsg"), 1.0f, 1.0f, 0, 0, 1.0f);
69                 }
70                 break;
71             case R.id.btn_newweibontf:
72                 if (pool != null) {
73                     pool.play(poolMap.get("newweibontf"), 1.0f, 1.0f, 0, 0,
74                             1.0f);
75                 }
76                 break;
77             case R.id.btn_newweibotoast:
78                 if (pool != null) {
79                     pool.play(poolMap.get("newweibotoast"), 1.0f, 1.0f, 0, 0,
80                             1.0f);
81                 }
82                 break;
83             default:
84                 break;
85             }
86         }
87     };
88
89     @Override
90     protected void onDestroy() {
91         // 销毁的时候释放SoundPool资源
92         if (pool != null) {
93             pool.release();
94             pool = null;
95         }
96         super.onDestroy();
97     }
98 }