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
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1answer
482 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 ...
4
votes
1answer
269 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
58 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
66 views

Fixing the size?

I have been stuck on an issue for 6 hours now, and would really appreciate your advice. Currently, my app isn't compatible with all screen sizes. When testing on a small size, my textview overlaps ...
3
votes
1answer
78 views

How i can control button input android?

i am android programmer and i want control button input in android for example i made a game that when you press back button in android mobile nothing happens but i want quite from game. This is ...
3
votes
1answer
53 views

Sensor listener setup/tear down android

I am developing my own game for android but when I open my app after 5 or 10 seconds it sets up the sensor listener and I can see a clear stuttering and the fps drops for a second to 40 fps instead of ...
2
votes
1answer
194 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; ...
0
votes
0answers
176 views

2.5D platform Android Game

I am a beginner to game development, so far I just made a top/down scroll shooter with canvas in Android, and I now wanto to make a 2.5D platform game like good old SNES, I am thinking of making it ...
0
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0answers
108 views

Why does physics interpolation give me periodic jumps/flickers?

I have seen this question but it didn't solve the problem. I have followed the same steps as in this article. What I notice in my Android game is that my interpolation alpha (or fraction or ...
0
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0answers
198 views

Transparency in GLSurfaceView

I'm new in game development. I have a view using GLSurfaceview and call in MainActivity. i want to make transparent that view. i have tried setZOrderOnTop() method in MainActivity and glClearColor() ...
0
votes
0answers
52 views

In OpenGL on Android, how do I give quads a border color?

I am new to game development and I'm working on a Rubiks cube game in Android using OpenGL. I want to create a cube with black borders, but I can only manage to set the fill color: GLColor[] colors ...
0
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0answers
469 views

Android Studio libgdx multiplayer

Does anyone know if it's possible to setup a multiplayer game using libgdx in Android Studio? I've been trying to convert my game to multiplayer using all kinds of tutorials on libgdx & ...
0
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0answers
38 views

Android app not installing because of more files in streaming asset folder

I have created a game which contains some videos, I have put them in Streaming Assets folder. The main problem is if the number of videos increases more than 6, app will not install else it will ...
0
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0answers
164 views

(LibGDX/JAVA) How can I get a rectangle to rotate with this pendulum so I can start detecting collisions?

One of the objects in my game is a pendulum that swings in a semi-circle. This is done by having an update() method like this: public void update() { angleAcceleration = +1.81 / length * ...
0
votes
0answers
180 views

Sprites not being rendered on screen change - Android Libgdx

In my game over screen for my Libgdx Android game I've the following code which starts a new game upon a screen touch. if(Gdx.input.isTouched()) { ScreenManager.setScreen(new ...
0
votes
0answers
380 views

Rotate gameobject on fix X and Y axis with touch

I'm using Unity 5, and I want to rotate an object using touch input. This works: target.transform.Rotate(touchDeltaPosition.x 3.0f,touchDeltaPosition.y 3.0f ,0,Space.World); The problem is it also ...
0
votes
0answers
196 views

Drag and drop in android

I am using drag and drop, I want to retain Status of Action Down through Action Move in android studio. I am coding for game like candy crush , I want to swap two objects. I am able to swap using ...
0
votes
0answers
105 views

How to make touch events work in a match three type game

In "match three" types of games like Crazy Kitchen, when the user touches an image, he can drag his finger over multiple images and create a change in each image he touches in a single gesture. You ...
0
votes
0answers
53 views

How to use Android Sensor, only in x axis

I have seen some tutorials but they are very complicated and they are about the three axes (x,y,z). So I want a code that moves an object or more (for example) to the right or the left when the ...
0
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0answers
20 views

Problem of textureRegions display after display two screens

I have a texture display problem, knowing that they display correctly in the desktop project and before packer textures. but once I packed textures, they still appear in the first screens((enuScreen ...
0
votes
0answers
33 views

On mobile, where should I save game expansions' assets when purchased in-app?

Say you have a card game and you want to add more cards with an add-on available through in-app-purchase. Where would you save the new cards (e.g. image assets, code)? Of course you could just ...
0
votes
0answers
59 views

Partitioning a Tiled map

In my 2d platformer with libGdx, my maps are quite large (eg. 200x200). The player character is only 2 tiles high. I use Box2d for collision, so in my tiled map I have layers for terrain, ...
0
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0answers
601 views

Unity C# Microphone input in Android different than on PC?

I'm working on a mobile app inside Unity, in which I need to input and repeat microphone input almost immediately.. I've worked it out and it works great when I play it from within the Unity Editor. ...
0
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0answers
99 views

Google Developer Console Error message

i received my first crash report of on Google Developer Console yesterday and im completely lost. Did anyone receive this error before and how can i go about fixing it? Any help would be greatly ...
0
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0answers
118 views

Google Play Game Services Logcat warning

I'm getting the following warning in my LogCat output. I have implemented Google Play Games Leaderboards which, after some research, it appears this warning is related to.... I would point out ...
0
votes
0answers
292 views

Android: Asynctask causes ANR (very) intermittently

I'm doing some work on an AsyncTask (creating game objects, loading resources etc) while displaying a static splashscreen. The problem is that every now and then, the AsyncTask doesn't run and the ...
0
votes
0answers
1k views

Implement Camera (former: CCCamera) v2 in cocos2d-x v3.3

we want to port camera code from cocos2d-x version 2 to version 3.3 with the goal to imitate the behaviour of a CCCamera in cocos2d-x version 2 exactly. You can assume that values for "eye" and "up" ...
0
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0answers
181 views

GdxRuntimeException uiskin.atlas

I have problem when trying to use the uiskin.atlas from github/libgdx. I've downloaded(cloned) it from libgdx.git but it just doesnt work. I get the following error: ...
0
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0answers
113 views

Cocos2D texture distorted on android devices

The textuers are distorted (randomly) on some devices (randomly again). The game is working on IOS without problem. Checked adb logcat and I got some errors. Searched the errors but not found any ...
0
votes
0answers
574 views

geometry shader shim for opengl es 2.0

I just have a few months of OpenGL experience, just starting to get the hang of it. I find geometry/vertex/fragment shaders to be very powerful. You have a few parameters that translates into a ...
0
votes
0answers
281 views

Android game programming seperate game logic thread from drawing thread

Ok so I want to know what is a proper way to create a multi threaded game. What I have tried is implement a wait and notify between the game logic thread and the drawing thread, but I believe this is ...
0
votes
0answers
183 views

Cannot draw around the screen after zooming out with LibGDX projection coordinate

I've just started developing game in android using LibGDX. I've follow some samples and now my simple game can draw path when user move their finger around the screen. now problems appear when i add ...
0
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0answers
140 views

How to put a rectangle around an ImageView in Android

I'm trying to make a rectangle have the same x, y, height and width values as an ImageView for collision detection purposes. Is there a way to do this?
0
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0answers
150 views

How to move the background vertically downward in android?

Try this code: private Bitmap mBackgroundImageFar; //my image private int mBGFarMoveY = 0; mBGFarMoveY = mBGFarMoveY + 2; int newFarY = mBackgroundImageFar.Height - (- mBGFarMoveY); ...
0
votes
0answers
204 views

How to get location of sprite placed on rotating circle in Cocos2d android?

I am developing a game using Cocos2d, and I got stuck when trying to find the location of a sprite placed on a rotating circle on the background. When I hit at a certain position on the circle it's ...
0
votes
0answers
1k views

Posting to facebook from unity3d on iOS and android

I've made a game in unity3d for iOS and android. We have our own server to manage high scores and stuff like that. We'd also like to have the possibility post high scores to facebook, and also do ...
0
votes
0answers
586 views

Displaying and updating score in Android (OpenGL ES 2)

I'm using a FrameLayout where I have a GLSurfaceView at the bottom and a few Views on top of it. One of those Views is a TextView that displays the current score. Here's how I'm updating the score ...
0
votes
0answers
242 views

Unity3D Android - Move your character to a specific x position

I want to move my character (which is a cube for now) to a specific x location (on top of a flying floor/ground thingy) but I've been having some troubles with it. I've been using this script: var ...
0
votes
0answers
238 views

Limiting Rendering in my game loop (Not Game Updates)

My Gameloop (code below), limits the game updates to 60 ticks per second. However, it renders as fast as the device on which it is being run can handle. I'm using a fixed time step in my game and I ...
0
votes
0answers
124 views

Slowdown in sliding background with Libgdx

I´m new with libgx and i have a basic question. I want an background like an image that repeats indefinetely, and moves down. I did with 2 images and it worked, but the problem is that is very slow. I ...
0
votes
0answers
175 views

Moving objects smoothly, bad perfomance

I just finished developing my mini-game on Android and I got some questions about perfomance and generally "how to": If I have 25+ objects on the creeen (just a polygon with 7-8 angles) its starts to ...
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
940 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
563 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
218 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
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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
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0answers
108 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
886 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
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0answers
484 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
695 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 ...