collegamento in un altra activity con libgdx

ho problemi a collegarmi all'altra activity ecco il codice... l'altra activity si chiama play
<br /> import com.badlogic.gdx.ApplicationAdapter;<br /> import com.badlogic.gdx.Game;<br /> import com.badlogic.gdx.Gdx;<br /> import com.badlogic.gdx.graphics.GL20;<br /> import com.badlogic.gdx.graphics.OrthographicCamera;<br /> import com.badlogic.gdx.graphics.g2d.BitmapFont;<br /> import com.badlogic.gdx.graphics.g2d.SpriteBatch;<br /> import com.badlogic.gdx.graphics.g2d.TextureAtlas;<br /> import com.badlogic.gdx.scenes.scene2d.InputEvent;<br /> import com.badlogic.gdx.scenes.scene2d.InputListener;<br /> import com.badlogic.gdx.scenes.scene2d.Stage;<br /> import com.badlogic.gdx.scenes.scene2d.ui.Skin;<br /> import com.badlogic.gdx.scenes.scene2d.ui.TextButton;<br /> import com.badlogic.gdx.scenes.scene2d.ui.TextButton.TextButtonStyle;<br /> <br /> <br /> public class button extends ApplicationAdapter{<br /> <br /> <br /> private OrthographicCamera camera;<br /> private SpriteBatch batch;<br /> private Stage stage; //** stage holds the Button **//<br /> private BitmapFont font; //** same as that used in Tut 7 **//<br /> private TextureAtlas buttonsAtlas; //** image of buttons **//<br /> private Skin buttonSkin; //** images are used as skins of the button **//<br /> private TextButton button; //** the button - the only actor in program **//<br /> <br /> <br /> <br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void create() {<br /> <br /> camera = new OrthographicCamera();<br /> camera.setToOrtho(false, 800, 480); //** w/h ratio = 1.66 **//<br /> batch = new SpriteBatch();<br /> buttonsAtlas = new TextureAtlas("ui/button.pack"); //** button atlas image **//<br /> buttonSkin = new Skin();<br /> buttonSkin.addRegions(buttonsAtlas); //** skins for on and off **//<br /> font = new BitmapFont(Gdx.files.internal("font/white32.fnt"),false); <br /> stage = new Stage(); //** window is stage **//<br /> stage.clear();<br /> Gdx.input.setInputProcessor(stage); //** stage is responsive **//<br /> TextButtonStyle style = new TextButtonStyle(); //** Button properties **//<br /> style.up = buttonSkin.getDrawable("button.down.9.png");<br /> style.down = buttonSkin.getDrawable("button.up.9.png");<br /> style.font = font;<br /> button = new TextButton("", style); //** Button text and style **//<br /> button.setPosition(200, 100); //** Button location **//<br /> button.setHeight(100); //** Button Height **//<br /> button.setWidth(200); //** Button Width **//<br /> <br /> button.addListener(new InputListener() {<br /> public boolean touchDown (InputEvent event, float x, float y, int pointer, int button)<br /> {<br /> Gdx.app.log("my app", "Coin Pressed");<br /> <br /> return true;<br /> }<br /> public void touchUp (InputEvent event, float x, float y, int pointer, int button) {<br /> Gdx.app.log("my app", "Coin Released");<br /> ((Game) Gdx.app.getApplicationListener()).setScreen(new play());<br /> }<br /> });<br /> <br /> stage.addActor(button);<br /> <br /> }<br /> <br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void dispose() {<br /> batch.dispose();<br /> buttonSkin.dispose();<br /> buttonsAtlas.dispose();<br /> font.dispose();<br /> stage.dispose();<br /> <br /> <br /> <br /> }<br /> <br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void render() {<br /> Gdx.gl.glClearColor(1, 1, 1, 1);<br /> Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);<br /> stage.act();<br /> batch.setProjectionMatrix(camera.combined);<br /> batch.begin();<br /> stage.draw();<br /> batch.end();<br /> <br /> }<br /> <br /> <br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void resize(int width, int height) {<br /> }<br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void pause() {<br /> }<br /> @<a href="https://www.androidiani.com/forum/members/override.html" target="_blank">Override</a><br /> public void resume() {<br /> <br /> }<br /> <br /> <br /> }<br /> <br />

aiutatemi VI PREGO RISPONDETE IN TANTI AL Più PRESTO!!!!!!! grazie a tutti