Android拍照、录像、录音代码范例

1. <p>import java.io.File;  
2. import java.text.SimpleDateFormat;  
3. import java.util.Date;  
4. import android.app.Activity;  
5. import android.content.Intent;  
6. import android.database.Cursor;  
7. import android.net.Uri;  
8. import android.os.Bundle;  
9. import android.os.Environment;  
10. import android.provider.MediaStore;  
11. import android.view.View;  
12. import android.view.View.OnClickListener;  
13. import android.widget.Button;  
14. import android.widget.Toast;</p><p>public class ActivityMedia extends Activity  implements OnClickListener {    
15.   private static final int RESULT_CAPTURE_IMAGE = 1;// 照相的requestCode    
16.  private static final int REQUEST_CODE_TAKE_VIDEO = 2;// 摄像的照相的requestCode    
17.  private static final int RESULT_CAPTURE_RECORDER_SOUND = 3;// 录音的requestCode    
18.       
19.          private String strImgPath = "";// 照片文件绝对路径    
20.          private String strVideoPath = "";// 视频文件的绝对路径    
21.          private String strRecorderPath = "";// 录音文件的绝对路径    
22.            
23.          Button buttonShot;  
24.          Button buttonVideo;  
25.          Button buttonRecorder;  
26.      
27.          @Override    
28.          protected void onCreate(Bundle savedInstanceState) {    
29.                  super.onCreate(savedInstanceState);    
30.                  this.setContentView(R.layout.media);    
31.                  buttonShot = (Button)findViewById(R.id.ButtonShot);  
32.                  buttonShot.setOnClickListener(this);  
33.                  buttonVideo = (Button)findViewById(R.id.ButtonVideo);  
34.                  buttonVideo.setOnClickListener(this);  
35.                  buttonRecorder = (Button)findViewById(R.id.ButtonRecorder);  
36.                  buttonRecorder.setOnClickListener(this);  
37.          }    
38.      
39.          @Override    
40.          protected void onActivityResult(int requestCode, int resultCode, Intent data) {    
41.                  super.onActivityResult(requestCode, resultCode, data);    
42.                  switch (requestCode) {    
43.                 case RESULT_CAPTURE_IMAGE://拍照    
44.                          if (resultCode == RESULT_OK) {    
45.                                  Toast.makeText(this, strImgPath, Toast.LENGTH_SHORT).show();    
46.                          }    
47.                          break;    
48.                  case REQUEST_CODE_TAKE_VIDEO://拍摄视频    
49.                          if (resultCode == RESULT_OK) {    
50.                                  Uri uriVideo = data.getData();    
51.                                  Cursor cursor=this.getContentResolver().query(uriVideo, null, null, null, null);    
52.                                  if (cursor.moveToNext()) {    
53.                                          /* _data：文件的绝对路径 ，_display_name：文件名 */    
54.                                          strVideoPath = cursor.getString(cursor.getColumnIndex("_data"));    
55.                                          Toast.makeText(this, strVideoPath, Toast.LENGTH_SHORT).show();    
56.                                  }    
57.                          }    
58.                          break;    
59.                  case RESULT_CAPTURE_RECORDER_SOUND://录音    
60.                          if (resultCode == RESULT_OK) {    
61.                                  Uri uriRecorder = data.getData();    
62.                                 Cursor cursor=this.getContentResolver().query(uriRecorder, null, null, null, null);    
63.                                 if (cursor.moveToNext()) {    
64.                                          /* _data：文件的绝对路径 ，_display_name：文件名 */    
65.                                          strRecorderPath = cursor.getString(cursor.getColumnIndex("_data"));    
66.                                          Toast.makeText(this, strRecorderPath, Toast.LENGTH_SHORT).show();    
67.                                  }    
68.                          }    
69.                          break;    
70.                  }    
71.          }    
72.              
73.              
74.     
75.          /**  
76.           * 照相功能  
77.           */    
78.          private void cameraMethod() {    
79.                  Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);    
80.                  strImgPath = Environment.getExternalStorageDirectory().toString() + "/CONSDCGMPIC/";//存放照片的文件夹    
81.                  String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + ".jpg";//照片命名    
82.                  File out = new File(strImgPath);    
83.                  if (!out.exists()) {    
84.                          out.mkdirs();    
85.                  }    
86.                  out = new File(strImgPath, fileName);    
87.                  strImgPath = strImgPath + fileName;//该照片的绝对路径    
88.                 Uri uri = Uri.fromFile(out);    
89.                  imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);    
90.                  imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);    
91.                  startActivityForResult(imageCaptureIntent, RESULT_CAPTURE_IMAGE);    
92.      
93.          }    
94.      
95.          /**  
96.           * 拍摄视频  
97.           */    
98.          private void videoMethod() {    
99.                  Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);    
100.                  intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);    
101.                  startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);    
102.         }    
103.      
104.         /**  
105.           * 录音功能  
106.           */    
107.         private void soundRecorderMethod() {    
108.                  Intent intent = new Intent(Intent.ACTION_GET_CONTENT);    
109.                 intent.setType("audio/amr");    
110.                  startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);    
111.          }    
112.      
113.          /**  
114.           * 提示信息  
115.           * @param text  
116.           * @param duration  
117.           */    
118.         private void showToast(String text, int duration) {    
119.                  Toast.makeText(ActivityMedia.this, text, duration).show();    
120.         }</p><p>   public void onClick(View v) {  
121.     int id = v.getId();  
122.     switch(id){  
123.     case R.id.ButtonShot:  
124.      cameraMethod();  
125.      break;  
126.     case R.id.ButtonVideo:  
127.      videoMethod();  
128.      break;  
129.     case R.id.ButtonRecorder:  
130.      soundRecorderMethod();  
131.      break;  
132.     }  
133.    }    
134.            
135. }</p>  

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