Android is an operating system for mobile devices. For non-developer questions, see http://android.stackexchange.com

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-1
votes
3answers
461 views

adventure game architecture

I would like to make an adventure type game functioning similarly to machinarium or broken sword. The only way I can think of doing this is to draw an image as a background on a canvas and use some ...
0
votes
2answers
2k views

Android notifications with Unity

I'm working for the first time on a game for Android using Unity and I need to use Google Cloud Messaging to receive push messages. I've already done the integration of my Unity project with GCM, ...
0
votes
0answers
48 views

Anything like AutoLayout for Processing?

So I'm making a game for Android using Processing but I'm having trouble with my buttons not being in the same position when I change the size of the screen, and I'm aware that you can use AutoLayout ...
-1
votes
1answer
91 views

How do I throw a ball on particular angle?

I want to create a game like "Angry Bird". I want to throw a ball from a destination to a target on a parabolic curve. I have the angle-selection part implemented but now I need to throw a ball from ...
0
votes
0answers
66 views

how to swipe native android scrollview in andengine?

I'm developing an app using andEngine. In a scene I'm using a scrollView contains text and images. I need to swipe it right and left with my finger touch position and direction. Is there someway to do ...
6
votes
1answer
14k views

How do I blend a bitmap with a color?

I have a png which is mostly transparent, except for a shape I've drawn in white. I want to be able to blend this bitmap with a color when drawing it with Canvas. I'd like something like [Sa, (Dc * (1 ...
0
votes
1answer
31 views

Game info file? LibGDX android

In my app I need a file that I can keep settings like: TutorialSkip: True or AppDev: False and other info. How can I make this file and prevent users editing it? This has to work in the Core folder ...
4
votes
2answers
532 views

Phone complains that identical GLSL struct definition differs in vert/frag programs

When I provide the following struct definition in linked frag and vert shaders, my phone (Samsung Vibrant / Android 2.2) complains that the definition differs. struct Light { mediump vec3 ...
3
votes
2answers
271 views

Multiple weapons for android game

I am trying to make a 3D game for android using the Rajawali engine to render the 3D graphics and blender for designing my models(exporting as .md2), and I want my character to be able to change ...
0
votes
0answers
46 views

Unity StartApp Ad Sdk dims the screen down when showed

I'm making an android game Which Never Sleeps and it don't. But When Using Startapp ad sdk It seems that it pauses the game and the mobile sleeps when the ad is shown. As if the sdk handles it from ...
0
votes
0answers
27 views

TouchCollection positon not matching button position

I am using a TouchCollection of touchlocations to determine if a button has been pressed, However the touchlocation position does not correspond with the button location as I would expect, the touch ...
10
votes
3answers
22k views

Number of Impressions on Admob for revenue [closed]

Just curious of a rough estimate: About how many impressions would it take to make 300 dollars a day in ad revenue? Thanks for any help!
1
vote
1answer
126 views

Andengine onAreaTouched TouchEvent not working - ACTION_OUTSIDE & ACTION_CANCEL

I have a simple problem. I have a button on the screen. I want isActionDown to push the button down, and isActionUp to push the button back up again and make my character jump. But the problem is if I ...
1
vote
1answer
507 views

2D graphic over 3D perspective projection

To draw a 2D HUD (just a simple trianlge, for now) over 3D graphics in OpenGL I : draw all 3D objects, then call glDisable(GL_DEPTH_TEST) before drawing 2D HUD draw 2D triangle call ...
2
votes
2answers
191 views

How can I load a level using a sound file? [JAVA] [closed]

I'm trying to load a level from a music file (mp3, midi, etc, I'm not picky) for a rhythm-based game. I must be searching in all the wrong places because I can't seem to find any help on this topic. ...
4
votes
3answers
23k views

How to move gameobject with touch on Android

I'm trying to make a game where you control a character via touch on Android devices. The player will have two degrees of movement. When you touch the touch screen and move your finger, the game ...
2
votes
1answer
666 views

libgdx, how to check collision of randomly generated actors?

I have two groups of randomly generated actors, one is bullets second is enemies. And as of now I have no idea how to check collision of randomly genrated actors and remove the overlaped actors. I'm ...
6
votes
7answers
32k views

Convert Flash game to work on Android devices

Is there any way to convert a Flash games(file with .swf extention) to work with android devices? I want the game to use Android device native controls like sensor, accelerometer, etc.
2
votes
1answer
316 views

Unity Android Orientation Bug in Auto Rotate

I am currently looking for a workaround, or fix, for a Unity bug. I want to be able to auto-rotate my game, while respecting the Android system settings. Currently, if you set your Unity Orientation ...
0
votes
1answer
391 views

Trouble with a modified parallax scrolling concept

I have a set of layers (each of them being a list of items) moving with different speeds as I mentioned here: http://stackoverflow.com/a/18962019/270197. Layers back in the scene move with slower ...
0
votes
1answer
149 views

How to move 2D camera in OpenGL

I am new in OpenGL, I am making a game in 2D and I want the camera to follow the character. I started with gluLookAt() but I read that I could just move the matrix with glTranslatef() and It should ...
1
vote
0answers
432 views

Leaderboard Testing on Google Play Services

I have a shared Google Play Developer account so that he allowed me to publish a game app. Next, I want to know if in order to test the online highscore is to upload the APK and publish it first ...
0
votes
0answers
53 views

Drawing to canvas on a low end Android device

Recently I have noticed some of the low end Android devices have issues running my game. I've managed to get a screenshot of this bug: Once game is running, only the top left corner image will ...
0
votes
0answers
94 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: ...
1
vote
0answers
74 views

HaxeFlixel, Font gets fuzzy android upscale

I made a simple game for android with a small native resolution (320x480). When text gets upscaled it loses its sharpness. Tried having anti aliasing on and off and both results were fuzzy. The size ...
1
vote
2answers
2k views

How do I choose an optimal texture size for a mobile Unity game?

I am developing a 2D game with Unity2D for Android, iOS, WebPlayer and maybe for desktop computers. I think the working resolution of my game is 1280*800. How do I choose the optimal size of ...
3
votes
2answers
1k views

How do I clip an image in OpenGL ES on Android?

My game involves "wiping off" an image by touch: After moving a finger over it, it looks like this: At the moment, I'm implementing it with Canvas, like this: 9Paint pTouch; 9int X = ...
0
votes
2answers
515 views

How can I optimize the size of my .apk?

I noticed that the Flappy Bird .apk is only around 900 KB. I'd like to know how I can achieve a similar optimization in .apk file size for my own games, which use Unity. A small single-scene game ...
1
vote
1answer
60 views

Libgdx - gesture dection

I have made a card game, and have two methods that sort the players hand. sortHandBySuit(); sortHandByValue(); I would like one method to be called when the user slides their finger from left to ...
0
votes
2answers
222 views

Touch sides of tablet, moves that direction

I am making a game where the player flies a balloon through a cavelike structure. I am having trouble making him fly correctly when I try it out on my android tablet, seeing as it requires ...
1
vote
2answers
212 views

How do I handle game lag due to background apps

I'm developing a game using libgdx and have noticed on several occasions that other background apps running can cause lag in my game - especially when those apps are being updated in the background. ...
0
votes
0answers
91 views

Additive blend over camera preview

I am using SurfaceTexture to draw camera preview through opengl after applying blending but new camera preview frames overwrite my previous frames although i am not clearing my color buffer. I want my ...
0
votes
2answers
200 views

OpenGL ES 2 jittery camera movement

First of all, I am aware that there's no camera in OpenGL (ES 2), but from my understanding proper manipulation of the projection matrix can simulate the concept of a camera. What I'm trying to do ...
3
votes
3answers
3k views

Vector images (SVG or other formats) support in libgdx or other Android framework? [closed]

I'm looking for a website to create games for Android. I'm interested in something that supports vector images. Do you know if libgdx supports them or is there a convenient way to use them in libgdx? ...
1
vote
2answers
2k views

How can you check your users' unlocked achievements (Google Play Game Services)?

Is it possible to see how many of your users have unlocked certain achievements on the Google Play Developer console? This information would be very useful. I guess that one could achieve this through ...
0
votes
0answers
100 views

OpenGL ES 2.0 - Applying rotation to only specific quads within a batch

This problem seems fairly simple on the face of it: How, when drawing a batch of quads using a triangle strip, can I apply a rotation to only one or some of the quads. I've been looking at this ...
-1
votes
2answers
106 views

Why does Corona SDK not build a .apk file?

I'm trying to put a game I created in Corona SDK on my Galaxy S5. I go to the Corona Simulator, click Build for Android.. Then I fill out the information, and then I hit build. The problem is, it's ...
0
votes
2answers
225 views

Dealing with multiple scenes /levels

Overview I have a scene manager in my game and in each 'Scene' I have a render() and a update() method for drawing and updating my game's logic. Basically, when I want to switch to another scene, ...
0
votes
1answer
545 views

Android Canvas 2D Game: Supporting multiple screen sizes/resolutions [duplicate]

I'm planning to develop a 2D game for android devices by using simple Canvas Surfaces (I know that OpenGL might be more efficient - but Canvas should definitely be enough for my type of game). I'm ...
0
votes
1answer
307 views

Feasability of mobile 2D multiplayer RPG game with interactive bitmap background

I'm looking to develop a 2D multiplayer RPG game for Android, with a bird's eye view similar to that of zelda/pokemon. The game is very simple in all ways since my intent is for thousands of players ...
1
vote
2answers
682 views

Cover Screen with Snowing Effect in Libgdx

Oddly enough I cant find clear instructions on this theme (I only found rain and the method is very particular) so I ask, how do I implement a whole-screen snow-falling effect? The methods i can ...
0
votes
2answers
78 views

Android appstore developer account, to not charge then change

The idea of charging for my early releases doesn't sit well with me, but at some stage, I will want to devote more time to games dev activities, when I will need it to be rewarding. On the Play Store ...
1
vote
1answer
133 views

Can we use credit card/prepaid voucher payment systems in Android and iOS?

We already have a credit card gateway with a local bank. We also have a prepaid card voucher in the market. In our game, a user will create an account within our portal. The user will "recharge" his ...
0
votes
0answers
333 views

Camera Rolling when Implementing Pitch and Yaw

I am implementing a camera in opengl for an android game and am having problems getting the pitch/yaw/roll of the camera correct. I have read many tutorials on quaternions and have implemented a basic ...
2
votes
1answer
293 views

Avoiding memory allocation in Android game development

For obvious reasons, allocating memory on the fly in Android game development is not recommended. For example: http://developer.android.com/training/articles/perf-tips.html: There are two basic ...
5
votes
4answers
408 views

How bad would be to focus on iOS/Android development for an indie developer? [closed]

After some time developing games for others I'm thinking of moving towards my own productions. My background is 10+ years of software development, with last 2 years spent on the iOS development ...
0
votes
3answers
619 views

First Mobile Indie Game - Monetization Model. Ad based or in app purchases?

We are a team of 3 (1 graphics designer, 2 developers). We're almost done with our first Android based indie game. Which monetization model will be suitable for us? We don't want to disturb users with ...
1
vote
1answer
64 views

How does one go about offering a mobile game, or offering all in-app purchases to backers?

I am planning on trying to get my android game kickstarted. Of course, it's too early in development, and I will wait on until 60% done to do the kickstarter. Some of the rewards I am hoping to give ...
0
votes
3answers
1k views

How would I generate random falling objects

I'm creating a game using libgdx on Eclipse that is similar to Ragdoll Avalanche. I'm looking for a way to generate falling objects like the triangles of Ragdoll Avalanche. All I know that i have to ...
1
vote
0answers
230 views

Best view for 2D Android game in Xamarin [closed]

I am trying to create a 2D multiplayer turn-based cooperative game for Android in Xamarin with possible future implementations for Windows Phone and iOS. The main inspiration for my game is Pandemic. ...