018_04音效

 1 package com.example.day18_05gameaudiodemo;
 2 
 3 import java.io.IOException;
 4 
 5 import android.app.Activity;
 6 import android.media.AudioManager;
 7 import android.media.MediaPlayer;
 8 import android.media.SoundPool;
 9 import android.os.Bundle;
10 import android.os.Environment;
11 import android.view.Menu;
12 import android.view.MenuItem;
13 import android.view.View;
14 import android.view.View.OnClickListener;
15 import android.widget.Button;
16 
17 public class MainActivity extends Activity implements OnClickListener {
18 
19     private SoundPool sp;
20     private int sound1;
21     private int sound2;
22     private int sound3;
23     private MediaPlayer mediaPlayer;
24 
25     @Override
26     protected void onCreate(Bundle savedInstanceState) {
27         super.onCreate(savedInstanceState);
28         setContentView(R.layout.activity_main);
29         
30         Button bt_gb = (Button) findViewById(R.id.bt_bg);
31         Button bt_shoot1 = (Button) findViewById(R.id.bt_shoot1);
32         Button bt_shoot2 = (Button) findViewById(R.id.bt_shoot2);
33         Button bt_shoot3 = (Button) findViewById(R.id.bt_shoot3);
34 
35         
36         bt_gb.setOnClickListener(this);
37         bt_shoot1.setOnClickListener(this);
38         bt_shoot2.setOnClickListener(this);
39         bt_shoot3.setOnClickListener(this);
40 
41         
42         sp = new SoundPool(3, AudioManager.STREAM_MUSIC, 0);
43         sound1 = sp.load(this, R.raw.shoot1, 1);
44         sound2 = sp.load(this, R.raw.shoot2, 1);
45         sound3 = sp.load(this, R.raw.shoot3, 1);
46 
47         mediaPlayer = new MediaPlayer();
48         mediaPlayer.reset();
49         try {
50             mediaPlayer.setDataSource(Environment.getExternalStorageDirectory()
51                         .getAbsolutePath() + "/bgmusic.mp3");
52             mediaPlayer.prepare();
53         } catch ( Exception e) {
54             // TODO Auto-generated catch block
55             e.printStackTrace();
56         }
57         
58     }
59 
60     @Override
61     public void onClick(View v) {
62         // TODO Auto-generated method stub
63         switch (v.getId()) {
64         case R.id.bt_bg:            
65             if (mediaPlayer!=null) {
66                 mediaPlayer.start();
67             }
68             break;
69         case R.id.bt_shoot1:
70             sp.play(sound1, 1, 1, 0, 0, 1);
71             break;
72         case R.id.bt_shoot2:
73             sp.play(sound2, 1, 1, 0, 0, 1);
74 
75                  break;
76         case R.id.bt_shoot3:
77             sp.play(sound3, 1, 1, 0, 0, 1);
78 
79                  break;
80         default:
81             break;
82         }
83     }
84 
85  
86 
87  
88 }