How to add libgdx as a sub view in android

Question

I have main.xml as follows:

  
     ...
     

        

Answer 1

I have created a Hello World program on github for libgdx running in a fragment using Android Studio 2.1. It follows the instructions on the official libgdx wiki.

AndroidLauncher class:

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import com.badlogic.gdx.backends.android.AndroidFragmentApplication;

public class AndroidLauncher extends FragmentActivity implements  AndroidFragmentApplication.Callbacks {
    @Override
    public void onCreate (Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.layout);

        // Create libgdx fragment
        GameFragment libgdxFragment = new GameFragment();

        // Put it inside the framelayout (which is defined in the layout.xml file).
        getSupportFragmentManager().beginTransaction().
                add(R.id.content_framelayout, libgdxFragment).
                commit();
    }

    @Override
    public void exit() {

    }


}

The GameFragment class:

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.badlogic.gdx.backends.android.AndroidFragmentApplication;

public class GameFragment extends AndroidFragmentApplication{

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
    {
        // return the GLSurfaceView on which libgdx is drawing game stuff
        return initializeForView(new MyGdxGame());
    }
}

layout.xml:

MyGdxGame class:

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;

public class MyGdxGame extends ApplicationAdapter {
    SpriteBatch batch;
    Texture img;
    private BitmapFont font;


    @Override
    public void create () {
        batch = new SpriteBatch();
        img = new Texture("badlogic.jpg");
        font = new BitmapFont();
        font.setColor(Color.BLUE);
    }

    @Override
    public void render () {
        Gdx.gl.glClearColor(0, 0, 0, 0);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        batch.begin();

        //batch.draw(img, 0, 0);
        font.getData().setScale(6.0f);
        font.draw(batch, "Hello World from libgdx running in a fragment! :)", 100, 300);

        batch.end();
    }

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

Make sure you've added the following:

compile "com.android.support:support-v4:24.1.1"

To the project gradle script in the "dependencies {.}" section inside project (":android") section.