android实现电话录音

配置文件

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="codefans.app"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<service android:name=".PhoneService"></service>
<receiver android:name=".PhoneBroadcastReceiver">
<intent-filter >
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
</application>
</manifest>

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="codefans.app" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" />  <uses-permission android:name="android.permission.READ_PHONE_STATE"/>  <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>  <uses-permission android:name="android.permission.RECORD_AUDIO"/> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <service android:name=".PhoneService"></service> <receiver android:name=".PhoneBroadcastReceiver"> <intent-filter > <action android:name="android.intent.action.BOOT_COMPLETED"/>  </intent-filter> </receiver> </application> </manifest>
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public class PhoneService extends Service
{
@Override
public IBinder onBind(Intent intent)
{
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate()
{
super.onCreate();
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
telephonyManager.listen(new PhoneListener(), PhoneStateListener.LISTEN_CALL_STATE); //注册监听器监听电话状态
}
private final class PhoneListener extends PhoneStateListener
{
private String incomeNumber; //来电号码
private MediaRecorder mediaRecorder;
private File file;
@Override
public void onCallStateChanged(int state, String incomingNumber)
{
try
{
switch(state)
{
case TelephonyManager.CALL_STATE_RINGING: //来电
this.incomeNumber = incomingNumber;
break;
case TelephonyManager.CALL_STATE_OFFHOOK: //接通电话
file = new File(Environment.getExternalStorageDirectory(), this.incomeNumber + System.currentTimeMillis() + ".3gp");
mediaRecorder = new MediaRecorder();
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL); //获得声音数据源
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); // 按3gp格式输出
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
mediaRecorder.setOutputFile(file.getAbsolutePath()); //输出文件
mediaRecorder.prepare(); //准备
mediaRecorder.start();
break;
case TelephonyManager.CALL_STATE_IDLE: //挂掉电话
if(mediaRecorder != null)
{
mediaRecorder.stop();
mediaRecorder.release();
mediaRecorder = null;
}
break;
}
}
catch (IllegalStateException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}

public class PhoneService extends Service { @Override public IBinder onBind(Intent intent) { // TODO Auto-generated method stub return null; } @Override public void onCreate() { super.onCreate(); TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); telephonyManager.listen(new PhoneListener(), PhoneStateListener.LISTEN_CALL_STATE); //注册监听器监听电话状态 } private final class PhoneListener extends PhoneStateListener { private String incomeNumber; //来电号码 private MediaRecorder mediaRecorder; private File file; @Override public void onCallStateChanged(int state, String incomingNumber) { try { switch(state) { case TelephonyManager.CALL_STATE_RINGING: //来电 this.incomeNumber = incomingNumber; break; case TelephonyManager.CALL_STATE_OFFHOOK: //接通电话 file = new File(Environment.getExternalStorageDirectory(), this.incomeNumber + System.currentTimeMillis() + ".3gp"); mediaRecorder = new MediaRecorder(); mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); //获得声音数据源 mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); // 按3gp格式输出 mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); mediaRecorder.setOutputFile(file.getAbsolutePath()); //输出文件 mediaRecorder.prepare(); //准备 mediaRecorder.start(); break; case TelephonyManager.CALL_STATE_IDLE: //挂掉电话 if(mediaRecorder != null) { mediaRecorder.stop(); mediaRecorder.release(); mediaRecorder = null; } break; } } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }
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public class PhoneBroadcastReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
Intent service = new Intent(context, PhoneService.class);
context.startService(service); //启动服务
}
}

public class PhoneBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { Intent service = new Intent(context, PhoneService.class); context.startService(service); //启动服务 } }

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