Android is an operating system for mobile devices developed and maintained by Google, Inc. This tag should contain specific programming questions about Android.

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6
votes
1answer
569 views

Word game - board implementation?

I'm working on a boggle type game for android, using libgdx. The user is presented with a 4x4 grid of letters and must find words by dragging their finger over the letters. Unlike boggle I want used ...
5
votes
1answer
239 views

What's the best practice for a progress bar in OpenGL ES 2.0 (Android)

As the title says, what is the best practice for a progress bar in OpenGL ES 2.0 on Android ? My attempt: I make a texture (could be a single colour or otherwise), and then stretch that texture from ...
4
votes
1answer
98 views

On Android, How can I avoid FPS drops during sensor listener setup/tear down?

When I open my Android app after 5 or 10 seconds it sets up the sensor listener, during which I see clear stuttering and the FPS drops for a second to 40 instead of 60. Is there a way to avoid this? ...
4
votes
1answer
301 views

LibGDX Box2D TileGame Efficiency

I am trying to implement Box2D into my top down tile game in LibGDX. Each world consists of a set of chunks, and each chunk is 16 tiles wide/long. The maximum/minimum chunks loaded at one time is 9 (a ...
3
votes
1answer
80 views

LibGDX: Is it necessary to set a stage as an input processor when creating a touchpad?

I mean, I've been searching it, they always use set a stage as an input processor after they had added the Touchpadto the Stage because it extends from Actor indireclty(it extends from Widget that ...
3
votes
1answer
95 views

Fixing the size?

My app isn't compatible with all screen sizes. When testing on a small size, my textview overlaps with my button. So, as suggested on the Android Documentation, and many stack overflow pages, I ...
2
votes
1answer
240 views

Handling touch input with Event Trigger

I wrote a simple script to control my 'Player' object: using UnityEngine; using System.Collections; public class PlayerMovement : MonoBehaviour { public float jumpVelocity = 10; ...
2
votes
1answer
722 views

Why does my Unity Android export fail with “No resource identifier found”?

When I try to export my Unity game to Android, I get this error: CommandInvokationFailure: Failed to re-package resources. See the Console for details. F:\Android SDK ...
2
votes
1answer
225 views

Scene2d Stage Actor setup issues

I am creating a game using libgdx. In the same each level has a class. I have stage as a member variable of the class. To this stage, I add actors. Inside the levels class, I have attaced the input ...
2
votes
1answer
784 views

AndEngine - Performance problems with many entities

I'm developing a rolling scene based game I'm loading all the entities from a XML file and create them in the Loading Scene recently I increase the game width , and by doing so , in the whole level I ...
2
votes
1answer
683 views

Not able to change the background of the scene in cocos2dx android

I have started Game Development using Cocos2d-x. And started with HelloWorld sample game. I am able to run this sample game. But when I try to change the Background Color, I am getting error in ...
2
votes
1answer
1k views

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop ...
1
vote
1answer
23 views

Bilinear filtering by sampling corners of a texel

I'm trying to do bilinear filtering in texels to get the convoluted value of a 3x3 block. Implemented as below: offsetx = 1/width offsety = 1/height Fragment shader: "varying vec2 ...
1
vote
1answer
50 views

GameMaker android support

Game-maker asks me to install android sdk api 13 for it to work. I opened the SDK Manager so that I install it, clicked at API 13 and I couldn't be able to click the "install packages" button. I ...
1
vote
1answer
50 views

Draw wireframe models for Gear VR app: Unity or Eclipse?

I want to create a 3D Android app for Gear VR that does/lets me do the following: Read an input file with a bunch of coordinates of points (including information about how they should be connected) ...
1
vote
1answer
92 views

Cant write/read to/from external storage with LibGDX

My create method looks like this: @Override public void create () { batch = new SpriteBatch(); FileHandle file = Gdx.files.external("file.txt"); file.writeString("My god, it's full of ...
1
vote
1answer
124 views

Change screen from main menu to game

I'd like to know how I can change the screen from the Main Menu to the Game itself but im having quite the trouble and I would appreciate the help. What I want to do is when I press btn.Play it ...
1
vote
1answer
38 views

Binding tiles with Rect

I'm having trouble binding tiles with Rect. I've successfully bound other objects (such as the player, trees etc) in my game with rectangles but I'm unable to do the same with the tiles and I don't ...
1
vote
1answer
145 views

LibGDX - Level management on a level-based game

I'm new to LibGDX and android development in general and am trying to do a puzzle game. Being a level-based game, i'm trying to make it so in every level a certain number of blocks (just rectangular ...
1
vote
1answer
29 views

Function call to AndroidJabaObject to an instance of com.prime31.PlayGameServicesPlugin causes the application to stop responding

Using Prime31 PlayGameServices attempting to call 'authenticate' causes the game to stop responding very soon after. There isn't much I can show as there's literally no logs showing up in logcat. Is ...
1
vote
1answer
156 views

Switch beetween Screen on LibGdx application

i have set main class like this: public class MyClass extends Game { MenuClass menuClass; ActionGame actionGame; @Override public void create() { menuClass = new MenuClass(this); ...
1
vote
1answer
165 views

Unity apple/google ID access?

After extensive Googleing I have not come up with a way to access Apple ID's or Google ID's from unity running in respective devices. Either ID's or something else unique to the accounts logged in. I ...
1
vote
1answer
198 views

Sprites are rendered as black rectangles in android 4.0.x only

I have some problems rendering sprites correctly on a LG optimus vu (android version 4.0) with libgdx. Basically sprites are black rectangles, while other images that i declare as Texture are correct. ...
1
vote
1answer
64 views

Centering an animation [libGDX]

I have the following class: public class AnimationDemo implements ApplicationListener { private SpriteBatch batch; private TextureAtlas textureAtlas; private Animation animation; ...
1
vote
1answer
212 views

Unity Augmenter Reality on Android with Video playing

Hey sisters and brothers, So, I created an augmented reality marker, which works perfectly, I was able to display 3 shape on the screen with my Nexus 5. I would like to replace my shapes with a ...
1
vote
1answer
95 views

How to implement constant velocity and collisions without gravity

I am learning game development and i am trying to implement the AndEngineBox2D Extension such that my character is always moving at a constant velocity, when it collides with a body sprite, the ...
1
vote
1answer
115 views

LibGDX: How to detect remote button press for Android TV?

On Android TV, I need to be able to detect the remote control centre button to start the game. I tried: if (Gdx.input.justTouched() || Gdx.input.isKeyJustPressed(Input.Keys.SPACE) || ...
1
vote
1answer
171 views

How can i get object from TMXTiledMap and store it in Dictionary variable ?

I've been following a tutorial to make tiled map in cocos2d x 3.0 , but i couldnt complete the rest of the tutorial because its for coco2d x 2.0 version, How can i get a value of property that is ...
1
vote
1answer
167 views

How to clip or mask entity in adnroid/andengine?

I want to implement masking with sprite in Andengine. I want same functionality as in ios class called SKCropNode which works like an masking node! Is there any workaround like this in ...
1
vote
1answer
357 views

How to make unitypackage from allseen alliance's android sdk?

Im making an offline multiplayer for Android device by Unity and I found only one way to do this is the allseenalliance sdk. After download its from here I found that to use it I need to create an ...
1
vote
1answer
596 views

Streamline Facebook and Google Play Game Services integration in Android Game

This has been confusing me a lot . I am creating a simple 2D platformer which I wish to make social. So I thought of letting users do the following: Share their in game objective completion/ their ...
1
vote
1answer
401 views

Generate ETC2 compressed texture from Android Bitmap in OpenGL ES 2

My app currently uses a lot of textures most of which probably could be compressed quite a lot by using ETC2 (my app runs on 4.4 so i have a lot of devices supporting GLES30), i cannot use ETC1 since ...
1
vote
1answer
253 views

libGDX new TextureAtlas(filename) and new Texture(filename) drawing stale image data

I'm trying to draw an image using libgdx but no matter what I do, libgdx seems to insist on drawing a portion of an image I had loaded and used in an earlier game screen. In my current game screen ...
1
vote
1answer
827 views

Multiple enemy array in LibGDX

I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And ...
0
votes
1answer
16 views

libgdx collision on moving Rectangle with other Rectangle

I'm making a soccer game where you touch the screen and the player shoot the ball to the touched position with the objective of scoring goals when it hits the goal. The player is just a Sprite and the ...
0
votes
1answer
15 views

Unity Android character controll with UI Buttons

So I'm trying to find a good tutorial which will explain how to controll character in 2D game when button is clicked (left, right, jump button). All the tutorials I've found are outdated and not ...
0
votes
1answer
28 views

Unity5 build won't run on android 2.3.3

I made a game using one of the Unity tutorials on their site and now would like to run on my phone (LG P500). But when I try to run it on the device, it says "Failure to initialize: Your hardware does ...
0
votes
1answer
24 views

LibGDX Textfield - Text Overflow - Not Wrapping

In my app's registration screen, the textfield is not wrapping text as I expected. Notice in the above image, the email field is not containing the text. I have set the size of the textfield using ...
0
votes
1answer
16 views

How do I know if the ad is open while the use pressed the back button?

I am trying to reward a user a point whenever they watch/look at an ad. I give the user the reward whenever they watch the ad. However, the user earns a point even if they go to the ad and click back: ...
0
votes
1answer
19 views

draw two models changing the MVP matrix (android opengl)

I'm newbie with opengl2 in android, and I'm making an app in which I'm testing some things. Now I was trying to duplicate a sphere object with a texture, so I thought it was enough to change my MVP ...
0
votes
0answers
75 views

Broken screen when running empty AndEngine project using LimitedFPSEngine

I am new to AndEngine and I am following the steps in this tutorial: http://android.kul.is/2013/10/android-game-development-tutorial-part-3.html. In summary, it is a simple getting-started project ...
0
votes
0answers
984 views

Cross-platform ad-hoc local mobile multiplayer

I want to implement ad-hoc cross-platform (iOS, Android, and PC) device discovery for local multiplayer, like this scenario: http://www.youtube.com/watch?v=csXYZf2vGdE Multiple players, each with ...
0
votes
0answers
620 views

Andengine Rotate Wheel with fast acceleration

I have a Wheel sprite and i am rotating it using Physics RevoluteJointDef. Its rotating. But problem is how i can make wheel to start moving fast. It took the speed after sometime like real. // ...
0
votes
0answers
225 views

glsl fragment shader work diffrently on different devices

i'm making a 2d android game where i have a mechanics that allow the player to move the camera away from the main character, and to not allow him to explore the hole world, a have create a Fog shader, ...
0
votes
0answers
1k views

How to rotate just the object being touched in Unity?

For my first steps in Unity I am just trying to rotate some squares when I touch them. using UnityEngine; using System.Collections; public class testskript2 : MonoBehaviour { // Use this for ...
0
votes
0answers
109 views

Ouya / Android : button mapping bitwise

I am programming a game with the Gameplay3d Engine. But the Android site has no gamepad support and that is what I need to port my game to Ouya. So I implemented a simple gamepad support and it ...
0
votes
0answers
908 views

ANDEngine : 3d rotation in Particle System

Im using ANDEngine and wants to create confetti particle system. But im unable to make flipping and rotation of confetti particle around z-axis Since andengine is 2d engine, it doesnot support that. ...
0
votes
0answers
529 views

Android SurfaceView framerate issue

I am using SurfaceView to draw a lot of Bitmaps onto canvas. This causes really variable frame rates depending on how many objects are present. My code below: public class OriginalView extends ...
0
votes
0answers
785 views

pause or freezing game screen

I have a question regarding the pausing/freezing a game while a window/pausemenu will appear at center of the screen. I've already created a pausescreen class which will be called each time the back ...
-1
votes
0answers
36 views

How can I fix this error when packaging my Android game in Unreal Engine?

Whenever I try to package my Android game, it gives me an error message in the output log that says "PackagingResults:Error: Error Unknown Error," and thus it doesn't package my Android game. How can ...