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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How to read monogame log files on android device

I am working on a monogame android project where I want to log some data. First try was something like this: Log.Info(tag, message); This works great when debugging in Visual Studio via the Android ...
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Android Ant Release Signed Build Stopping with Google Play Services Library

I'm trying to build my android app in release build with google play services. First off, without any extra libraries, I setup my keystore and alias password and include it in ant.properties of my ...
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1answer
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Is it possible to debug a Unity Android game directly on a device?

I'm working on my game and every time I make changes to it I send the game to my mobile device to debug it. I want to know how I can directly debug my game using an Android device instead of the ...
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1answer
17 views

Libgdx music is not working properly

I finished my game programming but I have small problem, please help me I want to finish it completely. I am starting background music when the user goes to the PlayScreen and when the kid in the game ...
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1answer
30 views

android game change background image at every level?

I want to be able to have a different background image at each level of my game. Presently I have only one. There is no layout folder shown in Android Studio and all info I have searched shows how to ...
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13 views

Libgdx Music is not working again

I am starting background music when the user goes to the PlayScreen and when the kid in the game dies, the background music stops and starts game over music and move to game over screen, then the user ...
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0answers
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Porting to Android…what is the equivalent of Properties.Settings.Default?

I'm porting my MonoGame/OpenGL app to Android. My game uses Properties.Settings.Default to store user preferences. What is the equivalent of this in Android?
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11 views

Libgdx Scene2D Table background not whowing up

I am using Libgdx's Scene2D API to build by UI and everything has been working as expected until now. I created a Skin and a TextureAtlas and linked them as so: Skin skin = new Skin(); TextureAtlas ...
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13 views

Libgdx Ending level is not working properly

In my game the kid is collecting fruits but if he hits the rock 3 times or time is up before collecting the required points, the kid will jump to the half of the screen then fall down and start fail ...
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30 views

Export UnityProject inside Android Studio's existing project

I am new to the Unity3D, but I have made a small Unity project with a humanoid gameobject. I can move this humanoid with the demo data but I want to move it with the quaternion data which I am already ...
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17 views

Re-volt 2 android game cannot start with wifi says server communicqtion delay [on hold]

I download Re-volt 2 multiplayer android game. But, this game only start with mobile data and never start with wifi . When mobile data on this Game start smoothly but when i was using my wifi and ...
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31 views

Scene/Level/Map Editor for Haxe games [on hold]

Are there any effective scene editors for Haxe game development? I'm creating a point and click game and the Tiled map editor could possibly work but it doesn't seem meant for this type of game. I'm ...
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2answers
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Textures are not drawn separatley

I am trying to draw different textures of balloons and I want them to appear in different times about half second between each one, and move in the world. first balloons are rendered but after about ...
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1answer
25 views

Libgdx Image doesn't fit the Screen

I am Trying to show Image as background, but it doesn't fit to the screen. When I use this class as the start screen it fit the screen properly but when I call this class after winning the level, the ...
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1answer
45 views

Check collision between two rectangles - libGDX

I'm making a game in which the objective is to collect the maximum amount of balls(Rectangle) to get the highest score. The balls spawn randomly from the middle of every side of your smartphone, and ...
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15 views

Two Viewpagers - swipe from one to another cause stuck

I have two Viewpagers, one is controlling whole layouts (pages), and second holds some items. First one is named viewPager1 in this image: Works good, but not perfect; As you can see, there's ...
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17 views

Match the circles

I have decided to create a game "Match the circles" as a way to get more familiar with android game development. Thus far, I am not using an Engine. I am using android core classes; So I created a ...
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13 views

Coordinate code for moving the object from one side to others side

I'm trying to make a 2D games, like airplane in android. To play the airplane, the user must shake the phone and then the airplane will move from left side to right side. And I don't know how to move ...
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2answers
38 views

Black lines on sprites

I am having the issue as seen below while using a textureAtlas with libgdx. I haven't found anyone else with the issue so I decided to ask here. Here is an image of the textures in the game screen: ...
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23 views

libGDX vs. SDL (Android) [closed]

What is the best choose for Android game development: libGDX or SDL? We are planing to create MMO RPG (top view) (networking required). On libGDX you can build (in my opinion) much faster working app, ...
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2answers
34 views

Libgdx Back button exit the app

when I press back button on android, it exits the game although I ask it to go to other screen instead. It goes to the other screen for one or two seconds then it exits.: if((Gdx.input.isKeyPressed(...
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67 views

How to jump straight into 3D game development without any prior knowledge [closed]

I want to know how can i directly get into the game development world. Currently I've exactly "no" knowledge of developing games. I've never even built a 2D game; and I wanna jump start right into 3d ...
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18 views

How to program light effects in Andengine

I'm trying to make some light effects to my game, but for now i failed to do it well, i try put 3 Sprites: bitmap1 = new BitmapTextureAtlas(getTextureManager(), 1400, 1400, TextureOptions.DEFAULT); ...
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38 views

Mobile game without game engine [closed]

I am planning on making a 2D mobile game for iOS and Android. It will have animations (including some simple flash/light and particle effects, like in Candy Crush), but the only physics the game will ...
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9 views

libgdx : starting animation disables imagebutton

I am playing an animation on clicking an imagebutton in android. Both the imagebutton and the Image for animation are actors on same stage. Animation plays perfectly, but the issue is after the ...
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1answer
24 views

LibGDx android : Show animation on button click

I am trying to create an application using libgdx where i need an animation to be played on pressing an image button, i've been able to achieve it using this code if(slapBossFlag==true) { ...
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2answers
86 views

Android game to iOS, go with an engine?

I have developed a game on android using native coding. However I am being asked to port it to ios. So I thought that I should bite the bullet and recode it in unity so I can go cross platform. I ...
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51 views

How should I structure a Shared Library for different platforms for my MonoGame project?

I am quite new to the MonoGame/XNA framework and i have some structuring questions right now. One of the reasons I use MonoGame is because there is still that feeling to create a game from scratch ...
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19 views

How to use touch.deltaPosition properly?

I use following code for measure touch delata position: private Touch firstDetectedTouch; public Vector3 dragDistance; void Update() { if (Input.touchCount > 0) { ...
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26 views

Libgdx game doesn't work correctly after game over screen

So, I am trying to create a platform game for Android. As part of the game, I have created ladders that the hero is climbing. When he hits the enemy he dies, there is a game over screen --> touch to ...
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25 views

Admob banner causes lag while playing Android Libgdx game

I hide banner ads while playing and show on game over screen but while playing game lags. If I disable ads then there is no lag. Or if I connect to wi-fi, again no lag, but with mobile data it lags. ...
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2answers
73 views

How to use touch screen for movement instead of keyboard narrow keys

I wrote this code and run the game on my desktop, now I need to build this game for android and I need to change to touch to move the player, what it should be changed in the following code and what ...
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1answer
36 views

Is there any difference between the reading of sensors in Unity5 and Android/Java?

I'm an Android/Java developer, and I'm new to unity5. I have a program written in Android/Java that uses the readings of three sensors( Accelerometer, Magnetometer and LinearAccelertion ). I'm now ...
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2answers
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Should I use one GLSurfaceView.Renderer for each part of my game?

I am creating a small platformer-like game for Android using OpenGL. The game has 3 main screens/states: Main menu screen Level selection screen The game screen Currently I use a GLSurfaceView....
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20 views

HTML5 game - Difference in layouts in webview of app and webpage

I have created a working prototype of an HTML5 game and tried to convert it into an android app using PhoneGap. My issue is that the layout of the screen is bigger in case of the webview of the app. ...
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31 views

Paint objects cause lower FPS by time

I'm creating squares on XML layout with Paint, you can see how exactly bellow: public class PaintObject extends View { Paint paint; public int x; public int y; public PaintObject(...
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1answer
22 views

LibGDX Rotate 2D image with touchDragged() event

Objective: to rotate an image in the center of the screen with movement equal to left or right touchDragged event. Right now I have a basic Stage that is created and adds an actor (centerMass.png) ...
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35 views

Removing no longer used paint out of screen

I have Paint, like this: Paint paint = new Paint(); paint = new Paint(Paint.ANTI_ALIAS_FLAG); paint.setStyle(Paint.Style.FILL); paint.setStrokeWidth(5); paint.setColor(Color.BLUE); and I'm drawing ...
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41 views

LibGDX works well on android 4 and very bad on android 5 and 6

I have a problem with my game. The game is made with libgdx, scene2d and box2d and it uses an AssetManager. I tested this app on all my devices and here it is the results: Galaxy S3, android 4 (...
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26 views

POST & push for turn-based network?

Can you create a viable two player turn-based networking implementation using only REST API for outbound and push for inbound data? If a game is comprised of, on average, 30 moves, is it a bad idea to ...
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1answer
90 views

Android OpenGL Sprite Component Pattern

Ok so I have a 2D OpenGL project that was originally a class assignment, and now I am using it to experiment with and to broaden my knowledge. Originally, I had been using the Normalized Devices ...
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1answer
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2answers
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How can I implement a “disable ads” purchase in my game?

I would like to add a "no ads" service to my game such that ads can be removed with a single payment. How can I implement this correctly? If I just save the fact that the service was paid for locally ...
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20 views

Direction buttons for Android game

I am new to Android development and i am trying to develop a game. I have a basket which is used to catch different objects which are falling down randomly. Now to catch those objects, i am currently ...
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0answers
17 views

How to implement app indexing plugin, by using Prime31 UnityPlayerActivity?

I am implementing the App indexing plugin, using Prime 31 UnityPlayerActivity which is implemented by overriding Androinds onCreate, onStop methods etc, but when I use this keyword in onCreate method ...
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0answers
32 views

HorizontalScrollView with multiple views in one “frame”

I have ImageButton, with TextView and ImagaView inside it. I have six of these. So I want to implement them into HorizontalScrollView. I remember I had one HorizontalScrollView with images some time ...
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1answer
40 views

Libgdx black rectangles problem

I'm working on a game for Android using Android Studio with LibGDX in Java. I recently found a weird problem when closing and reopening the game. When I first open the game, it works fine. If I click ...
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3answers
86 views

LibGDX simple button with image

I want to make two image buttons (play, restart) in my main menu screen but I dont know how to do it. I tried this: Texture playTexture = new Texture(...) Image playImage = new Image(playTexture) ...
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105 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 vTextureCoord;\n"...
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1answer
31 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 ...