MainActivity.java Source code

Introduction

Here is the source code for MainActivity.java

Source

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;

public class MainActivity extends AppCompatActivity {

    private static final int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (isGooglePlayServicesAvailable()) {
            Intent intent = new Intent(this, GCMRegistrationService.class);
            startService(intent);
        }
    }

    private boolean isGooglePlayServicesAvailable() {
        GoogleApiAvailability googleApiAvailability = GoogleApiAvailability.getInstance();
        int resultCode = googleApiAvailability.isGooglePlayServicesAvailable(this);
        if (resultCode != ConnectionResult.SUCCESS) {
            if (googleApiAvailability.isUserResolvableError(resultCode)) {
                googleApiAvailability.getErrorDialog(this, resultCode, PLAY_SERVICES_RESOLUTION_REQUEST).show();
            } else {
                Toast.makeText(MainActivity.this, "Unsupported Device", Toast.LENGTH_SHORT).show();
                finish();
            }
            return false;
        }
        return true;
    }
}