Code for MainActivity

MathGame_MainActivity.java

package com.mjuaji.mathgame1155;


import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;


public class MainActivity extends Activity implements View.OnClickListener{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);
        final Button buttonPlay = (Button)findViewById(R.id.buttonPlay);
        buttonPlay.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        Intent i;
        i = new Intent(this, GameActivity.class);
        startActivity(i);
    }

}