package com.Aapp.game;

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;

public class Aapp extends ApplicationAdapter {
    Texture img;
    public static Texture backgroundTexture;
    public static Sprite backgroundSprite;
    private SpriteBatch spriteBatch;

    @Override
    public void create () {
        img = new Texture("badlogic.jpg");
        backgroundTexture = new Texture("image.jpg");
        backgroundSprite =new Sprite(backgroundTexture);
    }

    @Override
    public void render () {
        spriteBatch.begin();
        spriteBatch.draw(backgroundTexture, 0,0);
        Gdx.gl.glClearColor(0, 0, 0, 0);
        spriteBatch.draw(img, Gdx.graphics.getWidth()/2 - img.getWidth()/2, Gdx.graphics.getHeight()/2 - img.getHeight()/2);
        spriteBatch.end();
    }

    @Override
    public void dispose () {
        spriteBatch.dispose();
        img.dispose();
    }
}


Errors:

W/dalvikvm: threadid=11: thread exiting with uncaught exception (group=0x4193fda0)
E/AndroidRuntime: FATAL EXCEPTION: GLThread 841
                  Process: com.elektronibattle.game, PID: 10035
                  java.lang.NullPointerException
                      at com.elektronibattle.game.ElektronikBattle.render(ElektronikBattle.java:28)
                      at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:459)
                      at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1532)
                      at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1249)
I/Process: Sending signal. PID: 10035 SIG: 9
Application terminated.