title: java.lang.ClassCastException: android.os.BinderProxy cannot be cast to LocalBinder
body: <p>I have a <code>Service</code> that I am trying to bind to my main <code>Activity</code>, but I am receiving a </p>
  
  <p><strong>java.lang.ClassCastException: android.os.BinderProxy cannot be cast to com.walintukai.rubix.ConnectionService$LocalBinder</strong>.</p>
  
  <p>I have declared the service in my manifest. Why is this happening?</p>
  
  <p><strong>Manifest Declaration</strong></p>
  
  <pre><code>&lt;service android:name=".ConnectionService" /&gt;
  </code></pre>
  
  <p><strong>Service (simplified code)</strong></p>
  
  <pre><code>public class ConnectionService extends Service {
  
  static final String TAG = ConnectionService.class.getName();
  
  private BluetoothAdapter mBtAdapter = null;
  public BluetoothGatt mBluetoothGatt = null;
  private ConnectionServiceEventListener mIRedBearServiceEventListener;
  HashMap&lt;String, BluetoothDevice&gt; mDevices = null;
  private BluetoothGattCharacteristic txCharc = null;
  private final IBinder mBinder = new LocalBinder();
  
  @Override
  public IBinder onBind(Intent intent) {
      return mBinder;
  }
  
  public class LocalBinder extends Binder {
      public ConnectionService getService() {
          return ConnectionService.this;
      }
  }
  
  @Override
  public void onCreate() {
      super.onCreate();
  
      final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
      mBtAdapter = bluetoothManager.getAdapter();
  
      if (mBtAdapter == null) 
          return;
  
      if (mDevices == null) 
          mDevices = new HashMap&lt;String, BluetoothDevice&gt;();
  }
  
  @Override
  public void onDestroy() {
      if (mBluetoothGatt == null)
          return;
  
      mBluetoothGatt.close();
      mBluetoothGatt = null;
  
      super.onDestroy();
  }
  </code></pre>
  
  <p>}</p>
  
  <p><strong>Main Activity</strong></p>
  
  <pre><code>public class MainActivity extends ActionBarActivity {
  
  private ConnectionService service;
  
  ServiceConnection connection = new ServiceConnection() {
  
      @Override
      public void onServiceDisconnected(ComponentName name) {
          Log.i("ConnectionService", "Disconnected");
          service = null;
      }
  
      @Override
      public void onServiceConnected(ComponentName name, IBinder service) {
          LocalBinder binder = (LocalBinder) service;
          service = (IBinder) binder.getService();
  
          if (service != null) {
              Log.i("RedBearService", "Connected");
  
          }
      }
  };
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      if (savedInstanceState == null) {
          getSupportFragmentManager().beginTransaction().add(R.id.container, ViewPagerFragment.newInstance()).commit();
      }
  }
  
  @Override
  public void onStart() {
      super.onStart();
      startService();
  }
  
  @Override
  public void onStop() {
      super.onStop();
      stopService();
  }
  
  private void startService() {
      Intent service = new Intent(this, ConnectionService.class);
      bindService(service, connection, Context.BIND_AUTO_CREATE);
  }
  
  private void stopService() {
      unbindService(connection);
  }
  </code></pre>
  
  <p>}</p>
  
  <p><strong>Stacktrace</strong></p>
  
  <pre><code>07-30 17:19:39.065: E/AndroidRuntime(20891): java.lang.ClassCastException: android.os.BinderProxy cannot be cast to com.walintukai.rubix.ConnectionService$LocalBinder
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at com.walintukai.rubix.MainActivity$1.onServiceConnected(MainActivity.java:58)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1110)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1127)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.os.Handler.handleCallback(Handler.java:733)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.os.Handler.dispatchMessage(Handler.java:95)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.os.Looper.loop(Looper.java:136)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at android.app.ActivityThread.main(ActivityThread.java:5050)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at java.lang.reflect.Method.invokeNative(Native Method)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at java.lang.reflect.Method.invoke(Method.java:515)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:605)
  07-30 17:19:39.065: E/AndroidRuntime(20891):    at dalvik.system.NativeStart.main(Native Method)
  </code></pre>