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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Surface View show black screen

i need necessary help! please anyone?! My GamePanel's Surface View show black screen (or don't show at all) on testing even though in the code every-thing looks fine!! Am i missing something?! Note: -...
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how to pin down a sprite partly in unity?

I am working on a simple do not let the bombs hit the floor game for android. You control a stick which can rotate to left or right depending on where on the screen you touch (left or right). But I ...
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Adding a score element to your android game

I said I'd show the following 3 classes so that you know exactly what I'm doing. The three class I posted are used in a game I'm working on and they are concerned with the login and register part of ...
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Different layouts?

I have had trouble in the past with optimizing my game for different layouts, so that the players don't see the game in different ways on different screens. Someone told me that the normal directory ...
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“Choppy” visual of game

I'm using interpolation to move objects on scene smoothly and in same speed. But in reality it looks like they are not moving smoothly - it looks like as game is running at 15 FPS or something like ...
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How to pass a java string variable from android activity to unity3d C# script variable?

Require some help to pass custom autogenerated text from android activity to unity3d activity being started.
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Google Play Games, Inbox Freezing

I am developing a game that uses Google Play Games and turn-based multiplayer. I have the latest Google Play Games 3.5.17 on my Android 5.0 phone. The problem I have is that, after a while of using ...
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Update the Android Gallery after take a screenshot from android device using unity3d

Currently we are working on "Update the Android Gallery after take a screenshot Here follows our issues: The problem is that we are having a button,when we click on the button the photo gets saved in ...
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Landscape mode for game?

TL;DR: I have made 8 new layouts for each activity layout, but they are not showing up. For example, I have a layout-land directory with a layout, but that layout doesn't show up when I turn my phone ...
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SDL touch input on Android (3D camera rotations)

I have a question regarding rotating a 3D camera on an Android device using SDL for touch inputs. The desired effect should be when the user touches and moves their finger on the screen the camera ...
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Andengine: Put a Sprite between 2 Parallax-Layers

It it possible in AndEngine to put a Sprite between two layers of Parallax-Background, without the Sprite moving together with the Parallax-Background? Like: First Parallax Sprite (will be above ...
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Touch and Collisions not working together in AndEngine when i set a custom Physics Handler

I have a set of custom sprites which implement a custom physics handler. The aim is to allow the user to move them by touch, then upon release they should act like a spring is connecting them to the ...
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Is it possible to use a Unity 3d Model with libGDX?

Can I use a 3d model like https://www.assetstore.unity3d.com/en/#!/content/36951 in a libGDX 3d game?
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How can integrate a decibel meter into my Push To Talk (PTT) game?

I have am building a Push To Talk (PTT) game and I need to integrate a decibel meter into it so that I can measure and save the decibel level and identify the peaks (spikes) and add them together. I ...
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AndEngine Font garbled on engine.setScene

I load a font as a member of my main activity with the intent of using the font in two different scenes on the same activity. The two scenes are also members of the mainActivity. public class ...
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Layout is different?

I know that layouts can look different on different screen sizes, but I didn't take that into account when I made this layout. So, it is designed for normal screen size, by default, and my phone ...
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Android onResume called after screen turned off, starting the app running even while screen is off

I'm building a simple 2D game and I am getting strange results and calls the the onResume method when I turn off the phone screen while in the game. So I have two questions: 1. How is the pause ...
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Android App Update not automatically installed on devices

I published my app update yesterday and users can manually update it on Google Play, but it should be installed automatically. Does this have anything to do with my certificate? I receive a warning ...
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Setting Up A Visual Studio 2015 Android C++ Project To Utilise The SFML Library And compile On An Android Device

So in Visual Studio I have installed the cross platform tools to set up a C++ project for Android and iOS such as the Android SDK, NDK and the corresponding USB drivers required to debug the program ...
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LibGDX: open android camera

I need help, I can't find a solution to open camera device in my libgdx app. I'm developing it only in Android for now but I have this issue. I need only to open the preview view, no snap picture o ...
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70 views

Does the sound need to be fixed?

Are there special requirements for audio for different devices? I have been stuck on this for around two days now, and would really appreciate all the help I can get. I have some audio in my code. ...
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OpenGL ES 2.0 save data for next render cycle

I'm currently writing a simple game, that should be able to cope with moving and rendering a large number of ships (particles). I started benchmarking with a sprite system, but obviously it was to ...
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How to use Minim-Android library with an Android Studio game

I have a game project set in Android Studio in which I need to use a library called Minim. It is meant for using with Processing, so its constructor asks for an object that I couldn't find on Android ...
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What is dynamic branching in shader? And How to check which runs on android phone?

Is it simple "for" or "while" in loop with variable? Is it standard term? I have errors on some android devices with "for"-terms. [0020.31] Log: Compiling Shader 0x8200000000_0x3000000000000000, ...
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How do I hide the navigation bar in Android using the NDK? C++

I can't seem to enable immersive mode in android using the NDK. The only code that I've found relating is AConfiguration *config = NULL //AConfiguration_new(); AConfiguration_fromAssetManager(...
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DynamicBody diving into StaticBody

In my game I want a DynamicBody to dive down into a StaticBody. I set up both bodies. At the moment they are colliding. How can I get my DynamicBody to dive down? Is it going to work with this ...
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Consturcting a sprite bitmap from mutliple partial sprties across sheets

First of all, I am not using engine and this is for Android. Bear with me if I use incorrect lingo as I am not experienced in game dev (but I am trying) I am being provided multiple sprite sheets. ...
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How to customize/disable Google Play service notifications

I'm using Google Play services to make a turn-based game. When a user invites friends or takes a turn while playing, Google will send a notification, but it can't directly open my game (instead, it ...
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Compiler error when building for Android after exporting Oculus assets

I have a Unity project which I'm planning to build both for PC and Android. The project is a VR game. For PC I'm using the Oculus SDK and for mobile I'm using ALPSVR SDK. I was working solely with ...
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173 views

OpenGL- Render to texture- a specific area of screen

I implemented FBO on my OpenGL Game. and Im rendering what is rendered to screen to a texture, the problem is that rendering to texture starts from lower left corner. look: what is rendered to ...
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AndEngine : Collision does not make line disappear

I have drawn the line between two sprites and there is a rectangle. When the line collides with rectangle the line should be invisible else the line should be visible. But i am having problem with ...
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Opengl Create FBO- fatal signal 11 error

in my android game, i want to render My scene in the FBO and a texture attached to it, and use that texture later, But When i use glGenFramebuffers i get this error: 07-30 06:17:27.839: A/libc(1338): ...
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Capture what is Rendered in OpenGL

Im Making an android Game with OpenGl ES, I Want to capture what is rendered onto screen By FloatBuffer and save it for later use, For Example If this is the OutPut: I want this for Result: How ...
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NullPointerException in android.app.Activity.onCreate(android/app/Activity.java:874)

I'm trying to get libGDX 1.6.1 to run on Android via Ruboto. So far, I: Generated a new libGDX app using the app generator Got the desktop app to run (Java) Got the android app to run (Java) ...
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Unity - Eclipse Error :Failed to receive dispatch signal. status=-11

I develop game . This Game run directly in unity but it export to Eclipse this error : channel UnityPlayerNativeActivity (client)' ~ Failed to receive dispatch signal. status=-11
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How can I get float values using glReadPixels? [Android NDK es3.0]

c++ code: float* data = (float*)malloc(texWidth*texHeight*sizeof(float)); // or GLfloat float* result = (float*)malloc(texWidth*texHeight*sizeof(float)); // or GLfloat for (int i = 0; i < texWidth ...
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OpenGL - Make two images blend together

I have 2 images that are .png and they mix together, The problem is that one overwrite the other. I know that the draw order matters, but In that case I should redraw the icons 2 times ( there is a ...
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Issue with texture mapping on a spehre using opgengl es 2.0

I have a problem to calculate the right UV coordinates. I'm calculating the sphere by subdivate a ocathdron. What did I do wrong? Calculate UV Points for the texture: private List<Float>...
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Sprite drag drop andengine

How to drag an andEngine sprite anywhere on the phone screen? I have written this code in onAreaTouched function of IOnAreaTouchListener interface which is implemented in my activity, but its not ...
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575 views

How to draw my android Hexagons in a grid?

I am trying to create a hexagon grid using the Android ’Canvas’ package. I have a working ’Hexagon’ class that when used in a view will draw a single hexagon on screen. The problem is that I need many ...
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LibGDX strange status bar in background [BUG]

I released an app and I noticed that some devices has a strange "bug" which I don't know if it's caused by Android, me or LibGDX. That bug is related to status bar, normally app let you see the bar (...
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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 ...
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597 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 & ...
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(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 * Math.sin(...
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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 ...
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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 ...
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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. ...
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114 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 ...
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138 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 ...
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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 ...