Check Google Play Service

gistfile1.txt

// check if a compatible play services is available on the device
// if not, show a dialog that takes the user to Google Play Store
// to install the required play service
private boolean checkPlayServices() {
    int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
    if (status != ConnectionResult.SUCCESS) {
        if (GooglePlayServicesUtil.isUserRecoverableError(status)) {
            showErrorDialog(status);
        } else {
            Toast.makeText(this, "This device is not supported.",
                    Toast.LENGTH_LONG).show();
            finish();
        }
        return false;
    }
    return true;
}

// show the error dialog
void showErrorDialog(int code) {
    GooglePlayServicesUtil.getErrorDialog(code, this,
            REQUEST_CODE_RECOVER_PLAY_SERVICES).show();
}

// a request code, you can set the value to anything you like
static final int REQUEST_CODE_RECOVER_PLAY_SERVICES = 3333;

// handles play service error dialog result
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
        case REQUEST_CODE_RECOVER_PLAY_SERVICES:
            if (resultCode == RESULT_CANCELED) {
                Toast.makeText(this, "Google Play Services must be installed.",
                        Toast.LENGTH_LONG).show();
                finish();
            }
            return;
    }
    super.onActivityResult(requestCode, resultCode, data);
}