android-电话录音

android-电话录音

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01	在清单文件AndroidManifest.xml中添加权限：

02	<uses-permission android:name="android.permission.READ_PHONE_STATE"/>

03	<!-- 在SDCard中创建与删除文件权限 -->

04	<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>

05	<!-- 往SDCard写入数据权限 -->

06	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

07	<uses-permission android:name="android.permission.RECORD_AUDIO"/>

08	<!-- 访问internet权限 -->

09	<uses-permission android:name="android.permission.INTERNET"/>

10	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>

11	public class PhoneListenerService extends Service {

12

@Override

13	public void onCreate() {

14	TelephonyManager manager =

15	(TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);

16

//监听电话的状态

17	manager.listen(new MyListener(), PhoneStateListener.LISTEN_CALL_STATE);

18

}

19

20	private final class MyListener extends PhoneStateListener {

21	private String num;

22	private MediaRecorder recorder;

23	public void onCallStateChanged(int state, String incomingNumber) {

24	switch (state) {

25	case TelephonyManager.CALL_STATE_RINGING:  /* 电话进来时 */

26	num = incomingNumber;

27

break;

28	case TelephonyManager.CALL_STATE_OFFHOOK: /* 接起电话时 */

29

try {

30	File file = new File(Environment.getExternalStorageDirectory(), num + "_" + System.currentTimeMillis() + ".3gp");

31	recorder = new MediaRecorder();

32	recorder.setAudioSource(AudioSource.MIC);//声音采集来源(话筒)

33	recorder.setOutputFormat(OutputFormat.THREE_GPP);//输出的格式

34	recorder.setAudioEncoder(AudioEncoder.AMR_NB);//音频编码方式

35	recorder.setOutputFile(file.getAbsolutePath());//输出方向

36	recorder.prepare();

37	recorder.start();

38	} catch (Exception e) {

39	e.printStackTrace();

40

}

41

break;

42	case TelephonyManager.CALL_STATE_IDLE:  /* 无任何状态时 */

43	if (recorder != null) {

44	recorder.stop();

45	recorder.release();

46

}

47

break;

48

}

49

}

50

}

51

}