play_services.java

// Update Google Play Services
// The latest Google Play Services update must be installed on the user's device for functionality to work properly. Ensure that the user has the latest update as follows.

// In your MainActivity create a unique request code as follows.
private static final int REQUEST_GOOGLE_PLAY_SERVICES = 100;

// In onResume() of your MainActivity, check for Google API availability and prompt the user to update if neccessary as follows.

@Override
protected void onResume() {
  super.onResume();

  GoogleApiAvailability api = GoogleApiAvailability.getInstance();
  int code = api.isGooglePlayServicesAvailable(this);
  if (code == ConnectionResult.SUCCESS) {
    // The device's Google Play Services version is up to date
    // If you are integating Push, add the following line:
    // register for push
  } else if (api.isUserResolvableError(code)) {
    if (!api.showErrorDialogFragment(this, code, REQUEST_GOOGLE_PLAY_SERVICES)) {
      Toast.makeText(this, api.getErrorString(code), Toast.LENGTH_LONG).show();
    }
  } else {
    Toast.makeText(this, api.getErrorString(code), Toast.LENGTH_LONG).show();
  }
}

// Handle the Google Play Services request code as follows.

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  super.onActivityResult(requestCode, resultCode, data);

  switch(requestCode) {
    case REQUEST_GOOGLE_PLAY_SERVICES:
      if (resultCode == Activity.RESULT_OK) {
        // The device's Google Play Services version is up to date
        // If you are integating Push, register here
      }
      break;
  }
}