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Forked from victorkifer/USSDNetworkService.java
Last active August 29, 2015 14:07
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package com.username.ussd;
import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.os.RemoteException;
import android.preference.PreferenceManager;
import android.util.Log;
import com.android.internal.telephony.IExtendedNetworkService;
import com.username.ussd.R; // your package name
/**
* Service implements IExtendedNetworkService interface.
* Service must have name "com.android.ussd.IExtendedNetworkService" of the intent declared
* in the Android manifest file so com.android.phone.PhoneUtils class bind
* to this service after system rebooted.
* Please note service is loaded after system reboot!
*/
public class USSDNetworkService extends Service {
public static final String TAG = "USSDNetworkService";
public static CharSequence mRetVal = null;
private static boolean mActive = true; // if active, hide messages
private boolean change = false; // if mActive was changed while ussd was running, still hide result of this ussd
private String msgUssdRunning = null;
public static void setActive(boolean active) {
mActive = active;
}
private final IExtendedNetworkService.Stub mBinder = new IExtendedNetworkService.Stub() {
@Override
public void setMmiString(String number) throws RemoteException {
Log.d(TAG, "setMmiString: " + number);
change = !mActive;
}
@Override
public CharSequence getMmiRunningText() throws RemoteException {
return msgUssdRunning;
}
@Override
public CharSequence getUserMessage(CharSequence text)
throws RemoteException {
Log.d(TAG,text.toString());
if(!mActive||change) {
mRetVal = text;
change = false;
return null;
}
else return text;
}
@Override
public void clearMmiString() throws RemoteException {
Log.d(TAG,"clearMmiString");
}
};
/**
* Put stamp to the App SharedPreferences when PhoneUtils bind to the service
* after Android has rebooted. Without reboot phone application does not bind to this service!
*/
@Override
public IBinder onBind(Intent intent) {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = sp.edit();
editor.putBoolean(TAG, true);
editor.commit();
msgUssdRunning = getString(R.string.ussd_running_text);
return mBinder;
}
public IBinder asBinder() {
return mBinder;
}
@Override
public boolean onUnbind(Intent intent) {
return super.onUnbind(intent);
}
}
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