Operating system for mobile devices. For non-developer questions, see http://android.stackexchange.com
67
votes
8answers
86k views
How do I get started making Android games? [closed]
I am new to game development. I am interested in developing 2D games for the Android platform. What is the best place to start with (i.e) What are the basics and how to proceed? I already have ...
8
votes
1answer
5k views
What's the best way to create animations when doing Android development?
I'm trying to create my first Android game and I'm currently trying to figure out (with someone that will do the drawings and another programmer) what the best way to create animation is. (Animations ...
44
votes
15answers
27k views
Are there any 2D gaming libraries/frameworks/engines for Android? [closed]
Are any such things available to help me build my Android game?
13
votes
4answers
6k views
How can I develop my Android game for different phone resolutions?
For instance, the Motorola Droid is as wide as the G1, but has more height.
Should I try to spread the UI out across the extra height found on the Motorola Droid? How do others handle this problem?
...
11
votes
6answers
4k views
Making (or emulating) a “D-Pad” on a touch-screen; virtual d-pad
With the proliferation of touch based devices, many lacking a true D-Pad, I'm wondering if anyone has any resources on how to emulate a D-Pad on a touch screen? I'm specifically interested in XNA ...
-5
votes
4answers
1k views
How to implement a 2d collision detection for Android
I am making a 2d space shooter using opengl ES. Can someone please show me how to implement a collision detection between the enemy ship and player ship. The code for the two classes are below:
...
23
votes
3answers
9k views
Workaround to losing the OpenGL context when Android pauses?
The Android documentation says:
There are situations where the EGL
rendering context will be lost. This
typically happens when device wakes up
after going to sleep. When the EGL
context is ...
14
votes
2answers
5k views
How many threads should an Android game use?
At minimum, an OpenGL Android game has a UI thread and a Renderer thread created by GLSurfaceView. Renderer.onDrawFrame() should be doing a minimum of work to get the higest FPS. The physics, AI, ...
7
votes
4answers
6k views
What tools are available for developing 2D games like Tetris or Angry Birds for Android?
I would like to ask the following regarding developing Tetris- and Angry Birds-like 2D games for Android:
Is Java the official development language for Android?
What free or commercial Android ...
5
votes
2answers
2k views
What do you use to support multiplayer turn-based network game for iOS and Android games?
If I'm doing a turn-based card game, what kind of technique do you use to support multiplayer gameplay over Internet?
Is it socket? If it's socket, which SDK (CoronaSDK etc.) can provide solid ...
17
votes
8answers
2k views
What all should be happening during the “Loading” screen?
Do I just need to be creating instances of all of my graphics into memory that are loaded from file? What is the best way to handle this? Do I just need some sort of assets manager that creates ...
3
votes
4answers
13k views
Android game scrolling background
I'm just trying to figure out the best approach for running a scolling background on an android device. The method I have so far.... its pretty laggy. I use threads, which I believe is not the best ...
7
votes
3answers
894 views
Android threads trouble wrapping my head around design
I am having trouble wrapping my head around game design. On the android platform, I have an activity and set its content view with a custom surface view. The custom surface view acts as my panel and I ...
6
votes
4answers
3k views
sprite animation in openGL
I am facing problems on implementing sprite animation in openGL ES.
I've googled it and the only thing i am getting is the Tutorial implementing via Canvas.
I know the way but I am having problems in ...
1
vote
4answers
901 views
Which Side Was Hit?
I am working on an Android game and I have two objects A and B (both rectangles) and when they collide I simply want to know which side of B was hit. I have detected the collision fine, but I am ...
8
votes
3answers
4k views
Best solution for multiplayer realtime Android game
I plan to make multiplayer realtime game for Android (2-8 players), and I consider, which solution for multiplayer organization is the best:
Make server on PC, and client on mobile, all communition ...
3
votes
1answer
236 views
How do I support variable screen ratios using AndEngine?
When displaying a background, AndEngine produces black bars above the image on certain devices. How do I support variable screen ratios for different devices using AndEngine?
3
votes
1answer
303 views
How do I implement an AutoParallax Background in AndEngine GLES1?
I'm using AndEngine GLES1. In my game, I use AnalogOnScreenControl to move a sprite and when it moves vertically, the background image also moves vertically. I want to do something like this: that is ...
3
votes
9answers
877 views
How do I create a game that runs on Windows, iOS and Android?
I use C++ to create windows games and now I want to step into another other OS like Android or iOS. I'm totally familiar with C++ so I tried to create app for iOS using objective C it was working ...
0
votes
1answer
578 views
rotate sprite and shooting bullets from the end of a cannon [duplicate]
Possible Duplicate:
How to Align Gun with Bullets
Hi all i have a problem in my Andengine code,
I need , when I touch the screen, shoot a bullet from the cannon (in the same direction of ...
20
votes
3answers
10k views
Android game development in c++
So being a primarily c/c++ developer, I've always thought that the only option for mobile game development for me was using iOS, which allows for c/c++ (and minimising objective C).
I heard from a ...
18
votes
4answers
2k views
How to design an AssetManager?
What is the best approach to designing an AssestManager that will hold references to graphics, sounds, etc. of a game?
Should these assets be stored in a key/value Map pair? I.e. I ask for ...
14
votes
5answers
2k views
What should I keep in mind when making 2D games for multiple resolutions?
I'm making a 2D (Android) game. Android devices vary quite a lot in screen resolution; what do I need to keep in mind when making my game?
Do I need to keep big versions of all images and scale down ...
5
votes
1answer
1k views
Game Code Design for Rendering
I first created a game on the iPhone and I'm now porting it to Android. I wrote most of the code in C++, but when it came to porting it wasn't so easy. The Android's way is to have two threads, one ...
7
votes
3answers
3k views
Game server for an android/iOS turn-based board-game
I am currently programming an iPhone game and I would like to create an online multiplayer mode. In the future, this app will be port to Android devices, so I was wondering how to create the ...
5
votes
3answers
818 views
Thread runs faster on a faster processor… how to control Thread speed
I have a thread that uses TimeUnit.MILLISECONDS.sleep(5);
Problem is when I load my app on a faster phone say with a snapdragon, it runs at lightning speed.
Is there a way to control this speed so ...
7
votes
1answer
268 views
When and why is a Pool class needed to hold objects?
I've been studying opengl es and an example I saw was using a "Pool" class to keep track of touch and keyboard events.
Could someone please explain how and why a pool class is needed. From what I was ...
6
votes
1answer
772 views
Is the STL efficient enough for mobile devices?
When it comes to mobile game development on iOS and Android NDK, some developers write their own C++ containers, while others claim that STL is more than adequate for mobile game development (For ...
4
votes
4answers
7k views
Steps/tutorials to get into Android Game Development [closed]
Hi i want to get into android game development,
I m interested in racing,fighting,target games(penalty shootout etc).
can anyone post links/urls for tutorial(videos etc).
I am familiar with ...
1
vote
1answer
945 views
Which all are the best Android 2D Java based gaming libraries / frameworks? [duplicate]
Possible Duplicate:
Are there any 2D gaming libraries/frameworks/engines for Android?
Which all are the best and top using open source java 2D Gaming libraries for Android?I had already ...
5
votes
1answer
601 views
SQLite in libGDX
Does anyone have an example of how I can use SQLite in libGDX? I have a class in my original Android code that allowed me to easily access a database but I can't seem to find anything equivalent to ...
5
votes
3answers
3k views
building a game for different resolution phones
I am starting some tests for building a game on the Android program.
So far everything is working and seems nice.
However I do not understand how to make sure my game looks correct on all phones as ...
2
votes
2answers
3k views
Drawing a circle in OpenGL ES Android, squiggly boundaries
I am new to OpenGL ES and facing a hard time drawing a circle on my GLSurfaceView. Here's what I have so far.
The circle class
public class MyGLBall {
private int points=40;
private float ...
-2
votes
1answer
280 views
What are some good resources for learning OpenGL on Android? [closed]
Mainly I learned how to develop Android applications, but now I want to know how to make
high resolution games, so does someone have a good book or a video that teaches OpenGL?
13
votes
6answers
7k views
How to capture video of my mobile game?
I've been keeping a blog for my current Android game and as I get closer to an actual playable version of the game, screenshots just aren’t enough to show new progress anymore. What I need is video. ...
5
votes
2answers
745 views
Implementing fog of war in opengl es 2.0 game
Hi game development community, this is my first question here! ;)
I'm developing a tactics/strategy real time android game and I've been wondering for some time what's the best way to implement an ...
5
votes
2answers
2k views
How do I find the angle between two vectors?
I have 3 points on my screen:
a = a point which is (c.x, 0) makes a line pointing straight up
b = a user input touch, can be anywhere on the screen
c = a moving object
a
_______.________
| ...
3
votes
4answers
3k views
What 2D engine can I use to port my flash game to iOS and Android?
I would like to port my 2D flash game to Android and iOS. Is there any cross platform engine you could recommend? Corona is the only promising one I have found so far.
1
vote
1answer
223 views
How to detect screen boundary using AndEngine GLES1?
I am using the AnalogOnScreenControl to move my sprite around the screen. I would like to restrict the sprite so it can not move outside the screen boundaries.
I have tried putting a line at the ...
1
vote
1answer
460 views
Rotate triangle so that its tip points in the direction of the point on the screen that we last touched
OpenGL ES - Android.
Hello all, I am unable to rotate the triangle accordingly in such a way that its tip always points to my finger.
What i did : Constructed a triangle in by GL.GL_TRIANGLES. Added ...
1
vote
1answer
551 views
Sprite animation in openGL - Some frames are being skipped
Earlier, I was facing problems on implementing sprite animation in openGL ES.
Now its being sorted up. But the problem that i am facing now is that some of my frames are being skipped when a bullet(a ...
1
vote
1answer
373 views
How can we match polygon data structure with a background image
I am referring to this fireball game.
The ball will collide with background, which is in polygon form.
I was wondering, how I can match my polygon data structure with the background image. Say, I ...
0
votes
5answers
1k views
How do I approach large companies if I have a killer mobile game idea?
I have an idea for a game that has potential, but I'm not a programmer.
How do I tell this to development companies without having my idea stolen? All I want from the company is for somebody to ...
8
votes
4answers
535 views
Do Apple and Google ask for a share if custom payment is done in a free app?
I have a multiplatform game (web/iOS/Android) in the making. In the free version the core game is still fully playable but people who choose to pay will get more social features (and no ads, of ...
6
votes
2answers
593 views
How do I load chunks of data from an assest manager during a loading screen?
I'm developing an Android game. Basically I want to pre-load all graphics/sounds when the app is first loaded. But I also would like to show a progress bar as this is happening. Here is a snippet ...
5
votes
3answers
4k views
How to remove a box2d body when collision happens?
I’m still new to java and android programming and I am having so much trouble Removing an object when collision happens.
I looked around the web and found that I should never handle removing BOX2D ...
4
votes
2answers
359 views
How to handle loading and keeping many bitmaps in an Android 2D game
In an Android 2D game which is using SurfaceView where its onDraw is driven by a loop from a Thread, I use many bitmap sprites (sprite sheets) and two background size bitmaps, which are all loaded ...
4
votes
1answer
564 views
Scaling a game view with letterboxes?
I'm creating an Android game and I want everyone who plays it -- no matter the size or shape of their screen -- to see the same 480x800 playfield but, depending on the actual resolution of their ...
3
votes
2answers
297 views
Is it possible to compile an android game for pc desktop?
If I have an android game based on java native libraries. Is it to possible to compile into a windows/linux executable without a 3rd party emulator?
3
votes
1answer
217 views
Which app markets should I deploy my Android game to?
I just launched my Android game today. I'm curious to know where I can deploy it. Of course, Google Play is the veritable king of markets, and my own game site will be next.
After that, which ...
