Getting started with AndEngine ...

[joshua.niland]

Nicolas,

Many thanks on this fantastic AndEngine that you have constructed and provided for the community. I just ran though this tutorial on Win7 / Eclipse (helios) and it worked a treat.

I am looking forward to getting stuck into everything this engine has to offer!

Regards,
Joshua Niland

[sambocrockett]

I just tried to do the first tutorial with the box in the middle of the screen but even though i have no errors the emulator just wont open the app. I tried to move it onto my G1 to see if maybe the emulator just couldnt handle it but i get the same force closed message

The application andengine test (process andengine.test) has stopped unexpectedly. Please try again.

I know this is a simple tutorial so Im hoping some one would be kind enough to have a simple answer.....please

[soshimo]

The application andengine test (process andengine.test) has stopped unexpectedly. Please try again.

A couple of things to help troubleshoot your issues:

Are you also receiving this error on the emulator?
What is in your console window and log window when the emulator fails to load?
Can you post code so we can better help you troubleshoot?

[sambocrockett]

Yes I am getting that message inside the emulator with no errors in the console at all. I figured that there was a chance that the andengine was to much for the emulator on my computer because in the past I have made some simple crude apps that didnt work inside the emulator but actually worked fine once I put them on a device ( an HTC G1 ) but I even tried it out on the device and got the same error. I just used the same code from the first tutorial which Ill post here.

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Using java Syntax Highlighting

1.  
2. package andengine.test;
3. import org.anddev.andengine.engine.Engine;
4. import org.anddev.andengine.engine.camera.Camera;
5. import org.anddev.andengine.engine.options.EngineOptions;
6. import org.anddev.andengine.engine.options.EngineOptions.ScreenOrientation;
7. import org.anddev.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
8. import org.anddev.andengine.entity.scene.Scene;
9. import org.anddev.andengine.entity.scene.background.ColorBackground;
10. import org.anddev.andengine.entity.sprite.Sprite;
11. import org.anddev.andengine.entity.util.FPSLogger;
12. import org.anddev.andengine.opengl.texture.Texture;
13. import org.anddev.andengine.opengl.texture.TextureOptions;
14. import org.anddev.andengine.opengl.texture.region.TextureRegion;
15. import org.anddev.andengine.opengl.texture.region.TextureRegionFactory;
16. import org.anddev.andengine.ui.activity.BaseGameActivity;
17.  
18. /**
19.  * @author Nicolas Gramlich
20.  * @since 11:54:51 - 03.04.2010
21.  */
22. public class test extends BaseGameActivity {
23.         // ===========================================================
24.         // Constants
25.         // ===========================================================
26.  
27.         private static final int CAMERA_WIDTH = 720;
28.         private static final int CAMERA_HEIGHT = 480;
29.  
30.         // ===========================================================
31.         // Fields
32.         // ===========================================================
33.  
34.         private Camera mCamera;
35.         private Texture mTexture;
36.         private TextureRegion mFaceTextureRegion;
37.  
38.         // ===========================================================
39.         // Constructors
40.         // ===========================================================
41.  
42.         // ===========================================================
43.         // Getter & Setter
44.         // ===========================================================
45.  
46.         // ===========================================================
47.         // Methods for/from SuperClass/Interfaces
48.         // ===========================================================
49.  
50.         @Override
51.         public Engine onLoadEngine() {
52.                 this.mCamera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
53.                 return new Engine(new EngineOptions(true, ScreenOrientation.LANDSCAPE, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), this.mCamera));
54.         }
55.  
56.         @Override
57.         public void onLoadResources() {
58.                 this.mTexture = new Texture(32, 32, TextureOptions.BILINEAR);
59.                 this.mFaceTextureRegion = TextureRegionFactory.createFromAsset(this.mTexture, this, "gfx/face_box.png", 0, 0);
60.  
61.                 this.mEngine.getTextureManager().loadTexture(this.mTexture);
62.         }
63.  
64.         @Override
65.         public Scene onLoadScene() {
66.                 this.mEngine.registerUpdateHandler(new FPSLogger());
67.  
68.                 final Scene scene = new Scene(1);
69.                 scene.setBackground(new ColorBackground(0.09804f, 0.6274f, 0.8784f));
70.  
71.                 /* Calculate the coordinates for the face, so its centered on the camera. */
72.                 final int centerX = (CAMERA_WIDTH - this.mFaceTextureRegion.getWidth()) / 2;
73.                 final int centerY = (CAMERA_HEIGHT - this.mFaceTextureRegion.getHeight()) / 2;
74.  
75.                 /* Create the face and add it to the scene. */
76.                 final Sprite face = new Sprite(centerX, centerY, this.mFaceTextureRegion);
77.                 scene.getTopLayer().addEntity(face);
78.  
79.                 return scene;
80.         }
81.  
82.         @Override
83.         public void onLoadComplete() {
84.  
85.         }
86.  
87.         // ===========================================================
88.         // Methods
89.         // ===========================================================
90.  
91.         // ===========================================================
92.         // Inner and Anonymous Classes
93.         // ===========================================================
94. }
95.  
96.  
97. I just realized that I forgot to mention that I had to change the BaseExample to BaseGameActivity because eclipse couldnt find it and asked me to create it as a new class.  Now I realize thats something to do with it Im sure.  
98.  
99. Heres my manifest file
100. [syntax="xml"]
101.  
102. <?xml version="1.0" encoding="utf-8"?>
103. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
104.       package="andengine.test"
105.       android:versionCode="1"
106.       android:versionName="1.0">
107.     <application android:icon="@drawable/icon" android:label="@string/app_name">
108.         <activity android:name="test"
109.                   android:label="@string/app_name">
110.             <intent-filter>
111.                 <action android:name="android.intent.action.MAIN" />
112.                 <category android:name="android.intent.category.LAUNCHER" />
113.             </intent-filter>
114.         </activity>
115.  
116.     </application>
117.     <uses-sdk android:minSdkVersion="4" />
118.     <uses-permission android:name="android.permission.WAKE_LOCK"/>
119.  
120. </manifest>
121.  
122. [/syntax]
123.  
124.  
125.  

Parsed in 0.046 seconds, using GeSHi 1.0.8.4

So......do you think its something to do with my changing BaseExample to BaseGameActivity?

[sambocrockett]

Oh and in the console there is nothing saying any errors just that the apk loaded to the device and it started. It installs it just doesnt want to open.....you can see it doing something and then it force closes and I get that message.

[soshimo]

Oh and in the console there is nothing saying any errors just that the apk loaded to the device and it started. It installs it just doesnt want to open.....you can see it doing something and then it force closes and I get that message.

Try putting a breakpoint at the line that looks like this:

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Using java Syntax Highlighting

1. final int centerX = (CAMERA_WIDTH - this.mFaceTextureRegion.getWidth()) / 2;

Parsed in 0.031 seconds, using GeSHi 1.0.8.4

See if it throws an exception. Alternatively you can set a breakpoint at this like:

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Using java Syntax Highlighting

1.  this.mFaceTextureRegion = TextureRegionFactory.createFromAsset(this.mTexture, this, "gfx/face_box.png", 0, 0);

Parsed in 0.034 seconds, using GeSHi 1.0.8.4

Step over that line and examine mFaceTextureRegion to make sure it's not null.

[Lenti]

Hello,
I am new here and have some (I guess beginner) probl ems getting started with the AndEngine. I alreadey have some expiriences with android, but not in the direction "engines"
However, the problem is the following: I followed the instructions in your video tutorial, but when I wanted to add the andengine jar to build path in eclipse, I realised I dont have this button. it simply doesn't exist.
Can you help me? thank you very much in advance!

[brewhaha]

Hello,
I am new here and have some (I guess beginner) probl ems getting started with the AndEngine. I alreadey have some expiriences with android, but not in the direction "engines"
However, the problem is the following: I followed the instructions in your video tutorial, but when I wanted to add the andengine jar to build path in eclipse, I realised I dont have this button. it simply doesn't exist.
Can you help me? thank you very much in advance!

as oldskool73 writes:
alternatively, you can do it manually by clicking the top level of your project and choosing properties -> java build path -> libraries -> add jars

[brewhaha]

Oh and in the console there is nothing saying any errors just that the apk loaded to the device and it started. It installs it just doesnt want to open.....you can see it doing something and then it force closes and I get that message.

Check this out:
http://developer.android.com/intl/fr/gu ... /ddms.html

[Neverhood]

Thank you very much for this nice tutorial! Made my first AndEngine project in a snap