android 通話錄音實現

因受系統限制，只能錄自已麥的聲音，錄不到對方的聲音，可能需要改內核才能實現雙向錄音；

接通電話和掛斷電話時，震動一下；

使用廣播接收者實現自啟動； 

 

服務代碼：

 

 
          package com.eboy.phoneListener; 
          
 
          
 
          import java.io.File; 
          
 
          
 
          import android.app.Service; 
          
 
          import android.content.Context; 
          
 
          import android.content.Intent; 
          
 
          import android.media.MediaRecorder; 
          
 
          import android.os.Environment; 
          
 
          import android.os.IBinder; 
          
 
          import android.os.Vibrator; 
          
 
          import android.telephony.PhoneStateListener; 
          
 
          import android.telephony.TelephonyManager; 
          
 
          import android.widget.Toast; 
          
 
          
 
          public  
          class phoneService  
          extends Service { 
          
 
          
    @Override 
          
     
          public IBinder onBind(Intent arg0) { 
          
         
          // 
           TODO Auto-generated method stub 
          
         
          return  
          null; 
          
    } 
          
 
          
    @Override 
          
     
          public  
          void onCreate() { 
          
         
          // 
           TODO Auto-generated method stub 
          
         
          super.onCreate(); 
          
        TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); 
          
        telephonyManager.listen( 
          new PhoneListener(), PhoneStateListener.LISTEN_CALL_STATE); 
          
    } 
          
     
          
     
          private  
          final  
          class PhoneListener  
          extends PhoneStateListener{ 
          
         
          private MediaRecorder mediaRecorder; 
          
         
          private File file; 
          
         
          private Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE); 
          
 
          
        @Override 
          
         
          public  
          void onCallStateChanged( 
          int state, String incomingNumber) { 
          
             
          try { 
          
                 
          
                 
          switch (state){ 
          
                 
          case TelephonyManager.CALL_STATE_RINGING:  
          // 
          來電 
          
                     
          break; 
          
                     
          
                 
          case TelephonyManager.CALL_STATE_OFFHOOK:  
          // 
          接通電話 
          
                    file =  
          new File(Environment.getExternalStorageDirectory(), incomingNumber + System.currentTimeMillis() + ".3gp"); 
          
                    mediaRecorder =  
          new MediaRecorder(); 
          
                    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); 
          
                    mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
          
                    mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 
          
                    mediaRecorder.setOutputFile(file.getAbsolutePath()); 
          
                    mediaRecorder.prepare(); 
          
                    mediaRecorder.start(); 
          
                    Toast.makeText(getApplicationContext(), "電話已接通，開始錄音。", Toast.LENGTH_SHORT).show();         
          
                     
          // 
          震動一下 
          
                    vibrator.vibrate(100); 
          
                     
          break; 
          
                     
          
                 
          case TelephonyManager.CALL_STATE_IDLE:  
          // 
          掛斷電話 
          
                     
          if (mediaRecorder !=  
          null){ 
          
                        mediaRecorder.stop(); 
          
                        mediaRecorder.release(); 
          
                        mediaRecorder =  
          null; 
          
                        Toast.makeText(getApplicationContext(), "電話已掛斷，錄音停止。", Toast.LENGTH_SHORT).show(); 
          
                         
          // 
          震動一下 
          
                        vibrator.vibrate(100); 
          
                    } 
          
                     
          break; 
          
                } 
          
             
          
            } 
          catch (Exception e) { 
          
                e.printStackTrace(); 
          
            } 
          
        }         
          
    } 
          
} 
         

 

 

通過廣播接收者實現自啟動，代碼：

 
          package com.eboy.phoneListener; 
          
 
          
 
          import android.content.Context; 
          
 
          import android.content.Intent; 
          
 
          
 
          public  
          class BroadcastReceiver  
          extends android.content.BroadcastReceiver { 
          
 
          
    @Override 
          
     
          public  
          void onReceive(Context arg0, Intent arg1) { 
          
        Intent service =  
          new Intent(arg0, phoneService. 
          class); 
          
        arg0.startService(service); 
          
    } 
          
} 
         

 

main.xml：

           <manifest xmlns:android="http://schemas.android.com/apk/res/android" 
          
     
          package="com.eboy.phoneListener" 
          
    android:versionCode="1" 
          
    android:versionName="1.0"> 
          
 
          
    <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="15" /> 
          
 
          
    <application android:label="@string/app_name" 
          
        android:icon="@drawable/ic_launcher" 
          
        android:theme="@style/AppTheme"> 
          
         
          
        <service android:name=".phoneService"></service> 
          
        <receiver android:name=".BroadcastReceiver"> 
          
            <intent-filter > 
          
                 
          
                <action android:name="android.intent.action.BOOT_COMPLETED"/> 
          
            </intent-filter> 
          
        </receiver> 
          
 
          
    </application> 
          
     
          
    <!-- 讀取電話狀態權限 --> 
          
    <uses-permission android:name="android.permission.READ_PHONE_STATE"/> 
          
    <!-- SD卡讀寫權限 --> 
          
    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> 
          
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 
          
    <!-- 錄音權限 --> 
          
    <uses-permission android:name="android.permission.RECORD_AUDIO"/>  
          
    <!-- 震動權限 --> 
          
    <uses-permission android:name="android.permission.VIBRATE"/> 
          
 
          
</manifest>