How do I make a "Hello World" with andEngine inside Android Studio on a Mac

How do I make a "Hello World" with andEngine inside Android Studio on a Mac

By : user2949884
Date : November 17 2020, 04:28 AM
may help you . This is my experience as of Android Studio v1.0 on a Macintosh to setup a Hello World example. (Although it's a blue background.)
Goto https://github.com/nicolasgramlich/AndEngine and clone in desktop. Create a new library by going to File -> Project Structure (⌘;) then selecting the + button on the upper left hand corner. Under "more modules select "Android Library." Change the application/library name to "AndEngine", the Module name to "AndEngine", and the Package Name to "org.andengine". On the next screen don't select an activity and click finish. Make your default module ("app" is what it was called in my project) dependent on AndEngine by clicking on the module in the project structure, then clicking the dependencies tab, then pressing the + icon on the bottom center and selecting "3. Module dependency" then select your newly created AndEngine module. Goto your cloned AndEngine folder and open the src/org/andengine folder and then select all and copy all of it into your project's AndEngine/src/main/java/org/andengine folder.
code :
package com.mycompany.myapplication;
//package being your own, do not replace the line above

import org.andengine.engine.camera.Camera;
import org.andengine.entity.scene.Scene;
import org.andengine.entity.scene.background.Background;
import org.andengine.engine.options.EngineOptions;
import org.andengine.engine.options.ScreenOrientation;
import org.andengine.engine.options.resolutionpolicy.FillResolutionPolicy;
import org.andengine.ui.activity.SimpleBaseGameActivity;

public class MainActivity extends SimpleBaseGameActivity {

    private Camera camera;
    private static final int CAMERA_WIDTH = 800;
    private static final int CAMERA_HEIGHT = 480;

    @Override public EngineOptions onCreateEngineOptions() {
        camera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
        EngineOptions engineOptions = new EngineOptions(true, ScreenOrientation.LANDSCAPE_FIXED,
        new FillResolutionPolicy(), camera);
        return engineOptions;

    @Override protected Scene onCreateScene() {
        Scene scene = new Scene();
        scene.setBackground(new Background(0.09804f, 0.6274f, 0.8784f));
        return scene;

    @Override protected void onCreateResources() {

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Can A* Pathing in AndEngine allow a sprite to determine "incorrect" paths and make "random" choices?

Can A* Pathing in AndEngine allow a sprite to determine "incorrect" paths and make "random" choices?

By : macaivar
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , In order to use A*, you need to know where the enemy is trying to get to. If you randomize the target locations of the enemies between the two exit points at the right, they should work correctly.
Remove squared background of the Android Studio "hello world"

Remove squared background of the Android Studio "hello world"

By : Nathan Jeansimon
Date : March 29 2020, 07:55 AM
this one helps. This just an emulator artefact. If you try it on a device it will work. (as solved in comments).
Trying to make a "Hello World" AWS API Gateway GET API call from Android using Generated SDK

Trying to make a "Hello World" AWS API Gateway GET API call from Android using Generated SDK

By : Charles Tchobo
Date : March 29 2020, 07:55 AM
seems to work fine Got it working, incase this helps anyone see below. I had to add request.getPath("/MyAPIName"), and some debugging code:
code :
import android.os.AsyncTask;
import android.util.Log;

import com.amazonaws.mobileconnectors.apigateway.ApiClientFactory;
import com.amazonaws.mobileconnectors.apigateway.ApiRequest;
import com.amazonaws.mobileconnectors.apigateway.ApiResponse;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import Client.LambdaMicroserviceClient;

public class APIGatewayHandler extends AsyncTask<Void, Void, Void> {

    protected Void doInBackground(Void... params) {
        ApiClientFactory factory = new ApiClientFactory();
        final LambdaMicroserviceClient client = factory.build(LambdaMicroserviceClient.class);

        ApiRequest request = new ApiRequest();

        ApiResponse apiResponse = client.execute(request);
        int responseCode = apiResponse.getStatusCode();

            String responseBody = "empty";
        try {
            responseBody   = convertStreamToString(apiResponse.getRawContent());
        } catch (Exception e){
            Log.d("ERROR ", " failed reading response ");

        android.util.Log.v("Request: ", request.toString());
        android.util.Log.v("response Code: ", String.valueOf(responseCode));
        android.util.Log.v("response Status Text: ",    apiResponse.getStatusText());
        android.util.Log.v("responseBody: ", responseBody);
        return null;

    public void onPostExecute(Void var) {
        Log.d("onPostExecute", "complete");

    private String convertStreamToString(InputStream is) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        StringBuilder sb = new StringBuilder();

        String line = null;
        try {
            while ((line = reader.readLine()) != null) {
        } catch (IOException e) {
        } finally {
            try {
            } catch (IOException e) {
        return sb.toString();
How can I view "Hello World!" TextView in Android Studio?

How can I view "Hello World!" TextView in Android Studio?

By : user1475162
Date : March 29 2020, 07:55 AM
hop of those help? I have just started learning development on Android, and I am not able to view "Hellow World!" TextView in the Design Tab. , Go to style.xml and change this:
code :
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<style name="AppTheme" parent="Base.Theme.AppCompat.Light.DarkActionBar">
I'm trying to make mono android simple "hello world" but I don't see "hello world" in the emulator w

I'm trying to make mono android simple "hello world" but I don't see "hello world" in the emulator w

By : Erin Quick-Laughlin
Date : March 29 2020, 07:55 AM
Does that help Once you change the layout by calling SetContentView the second time, there is no longer a Button in the layout so your FindViewById is returning null. Then you are trying to set the event on a null reference.
Look at how to read the error log so you can find errors:
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