Questions tagged [android]

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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7 views

Realtimee Image Effects on obile [closed]

I am trying to find a class or library to do realtime Blur, Zoom, Pan with images on Android. I looked at the EffectFactory class but it's not covering these things
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Parallax camera is not independent from the stage camera

I have a weird camera problem that I can't solve! I add my actors to the main stage and use its camera too. Actors are constrained within the screen viewport. I also have a second camera that I use ...
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OpenGL ES VertexArray nothing renders

Background: I have a 2D game application that I maintain both on Java (OpenGL through LWJGL) and Android (directly OpenGL ES v3) and used to have a quite old code base for my rendering. Some months ...
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Should I preload interstitial ads when my game starts?

I just recently added interstitial ads to my game. I loaded my interstitial ads when the main game actually starts so it wouldn't take long to load after the user exits to the menu, but on profiling ...
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1answer
47 views

How can I let the user choose his own background image?

Dear Stackoferflow Fourm I would like to have a function in my Android Game Programming that allows the user to choose his own background image (I would like to let the user change the plane image) ...
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How do I solve this physics slowdown?

within 10-20 min without touching the android game it would lag. Here is the Unity Profiler Debug. This if the fish clicker script where I started noticing lag. ...
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46 views

Unity FPS Drop on Android Low end devices

I have stumbled upon an issue that is now taking a lot more time than I assumed. I have a game that has a lagging issue and I have tried almost all techniques that I could remember to fix that but now ...
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1answer
57 views

My own game disappears after installation on Google play store

I have a problem where I just installed my own game I made into my phone, but however my game just appears to be not be openable it just shows one button "Uninstall", instead of open. I do ...
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9 views

Configure VR support that enables to “look” around and receive user input (Google Cardboard button)

When the user moves the head this means that the phone in the HMD also moves and there are sensors that can detect the direction of the phone so that the image can update correctly. Also to note that ...
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2answers
110 views

how to find the game engine of an app in play store [closed]

I would like to know if there is a way to find which game engine a game uses, especially games that are on play store Also I want to know if decompiling the app will help? if there is another way to ...
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Android - Canvas.drawBitmap gives an awful performance

I am using SurfaceView for my game and I am loading all of the bitmaps that are the right size for the screen (pre-scaled in mipmap folder) into a class when the game starts. And I am drawing the ...
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2answers
209 views

Can I mod Among Us mobile so people don't get kicked because of network problems, and how? [closed]

I want to make a mod for Among Us which will allow people to stay in game despite short-lived connection problems (as opposed to being kicked after 1 second of network issues).
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unknown unity crash for android il2cpp project

i just made my final output with unity but on some devices it crashes after seconds. when i log it it is all i can see: ...
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Bloom not working on mobile build (URP)

I am trying to add bloom in my unity game for mobile phones using URP, The problem is, everything works perfectly in the editor/pc, But the bloom effect vanishes on the actual apk build. This is how ...
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Building multiple android apps via script does not trigger Resolving Android Dependencies

I have a Unity Project which builds a number of smartphone android apps Anytime I need to build an app I have a script (SetupApp) that move a bunch of assets in the Resources folder and changes the ...
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26 views

Persisting save data on uninstall without sign in

I am looking for ways to keep a unique link between a user's device and their account without requiring users to sign into an account. The kind of system I am looking for is one like the game AFK ...
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1answer
23 views

How Do I Separate Dragging My Finger On Joystick And Swiping?

I am currently making a 2D top-down view shooter game for Android, where the game is played horizontally. On the left side of the screen, you can touch anywhere to spawn in a joystick and aim by ...
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1answer
43 views

Unity facebook sdk 'Didn't find class “com.facebook.FacebookContentProvider”' any more fixes / workarounds for this?

How to replicate this error... Create a new Unity project. Import the facebook sdk unitypackage Set your App Id for facebook via Facebook\Edit Settings Using Assets\External dependency manager\...
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18 views

why adding armv8-x64 support libraries to the project causes bad behaviour for unity project?

as you may know for new releases google makes developers to support both 32x and 64x architectures. if you dont, you get this message: as help page suggests, you have to go to the build settings and ...
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10 views

concerns about android apk compatibility

Hi everyone =) i'm planning on making a game on Unity, the idea is that my friends could play the game, as mostly of them do not own a computer, it should be developed for android. Two of my biggest ...
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22 views

NDK opengl-es unknown error

Projection matrix? Renderer? Where is the error? I recently started studying NDK to create better performing android games ... but ... An error I didn't expect to deal with appeared a few weeks ago ...
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1answer
25 views

Android Game - Screen Flickers When an Entity Removed From The List

I am using Canvas in my android game. When I remove a no longer displayed entity in my entity list, all other entities are flickering for a brief time. When it's not removed, there is no such problem. ...
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24 views

Libgdx game lags on better phones

I'm developing a candy crush game and it works just fine on desktop, my mobile (Honor9) and the one I'm using as emulator. But, for my surprise, it lags on my girlfriend's mobile, which is way better ...
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24 views

How to add sprite batch on tile in isometric map in Libgdx

I'm using Libgdx to create an isometric game , but now I have problem. I want to add sprite on tile (3,4) , but I can't do this, so I searched on stackoverflow , and I found this code :- ...
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1answer
41 views

Android Build Failing Game Maker Studio 1.4

In Game Maker Studio 1.4 I'm trying to export my game to Android API 29. Whenever I start to compile, the build fails because the API 28 support library is too low for the Target API 29. I have the ...
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1answer
24 views

Score won't save to Android in Game Maker Studio 1.4

I have oController as the first object to run when the game is opened. In oController's Game Start event I have the following code: ...
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25 views

How to build bullet (hit) damage detection in Augmented Reality to a real life person acting as an opponent?

I am building an Android AR game using ARcore 1.18 in Unity 2019.4.5f1 (LTS). Now I want to create something like bullet damage detection just like it is built in a normal Unity 3D game. Of course, ...
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436 views

How can I use Body tracking in Android using ARCore or some other libraries?

I know that ARCore on Android doesn't support Body Tracking like ARKit does. But is there some alternative or workaround to ...
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31 views

Unity : apk vs aab for the same scene

I'm new to Unity , i use mac os catalina , unity 2019.4 and build for android/mobile. I downloaded a unity project from internet. It's already in format of unity project. so i just copy it into my ...
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1answer
48 views

Can I bring features of an Android game into another Android game?

Platform : Android Overview : Fifa 14 by EA sports has a manager mode, kick off and tournament mode in it, which was the last game of its series on android to have these features. Fifa 16 has great ...
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1answer
37 views

Unity augmented reality app doesn't work on android

I am pretty new to unity and augmented reality applications. I use unity 2019.4.4f1 and my project is very simple as you can see in the screenshot below: I am using Wikitude plugin for image tracking ...
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1answer
20 views

Tilemaps not showing up on Android build

I'm having trouble developing a 2d game for Android. I use tilesmaps for the ground and a few other things. On the editor, everything works fine and dandy. But, when I deploy to a phone(Build and Run),...
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Unity 2018 can't find android sdk path on mac osx

I use osx catalina 10.15.5 and run couple version of unity 2019 without problem. but when i download unity 2018 (2018.4.24f1), it couldn't find android sdk. the default location for the sdk is : /...
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3answers
387 views

Set up Android SDK path to make Android remote work on Ubuntu

I used Unity 2019.4 on Ubuntu 20.04. I installed Android SDK and all other components through Unity Hub. But unfortunately, I can't use Unity remote. It's written : Set up Android SDK path to make ...
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43 views

Integrating accelerometer data samples to get velocity and displacement

I am working on an android app built in Unity that would allow the users to track their movements by just using the data coming from the device sensors. I have read about similar issues already and I ...
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Android developer/publisher royalty sharing

I am creating and Android game, and will need to partner with a publisher. I am curious about how this is typically implemented. Probably publishers are going to have a difficult time trusting some ...
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Unity 2109.3.4 apk fails to install on to quest

Hello's I was able to successfully sideload APK's on to the quest for a while now however when I updated to unity 2019.3.4 side quest is now unable to successfully load a built APK onto the oculus ...
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1answer
44 views

How to make camera move with the player in 3D Libgdx

Iam trying to create a 3D game in Libgdx, so I created a 3d World with physics, and added just a small terrain and capulse (the Player) . I want to make the game first person, so I created a player ...
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3answers
676 views

How do I reduce the size of my symbols.zip?

I am making an Android app in Unity. Google recommends using a symbols.zip, which Unity auto-generates. However, the symbols.zip that Unity is generating for my app is over 1 GB, and the max size ...
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1answer
30 views

Libgdx opacity partial error

My model must support transfer textures but I can't do this using mesh + modelBuilder.part Opacity is tested correctly on only half of the model. ...
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166 views

How can I use an inherited Activity in C#?

I am using Unity. I want to set the status bar to be permanent in opaque black. I set Start in Full Screen Mode in the Player Settings to ...
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52 views

Vibration causing lag on OnePlus 6

has anyone experienced vibration causing lag on OnePlus 6 (or other device)? I'm developing a mobile game on unity and lately I have been Integrating Nice Vibrations to our game which is basically a ...
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1answer
74 views

Unity: BuildFailedException Reference Library Missing Texture at index 1

I'm new to Unity and I have no idea what this error means, I'm following a tutorial on YouTube which had no error of the sort. Any idea how can I fix this? ...
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26 views

How to add font assets to a Unity based Android app on runtime?

I am working on an android app that contains a Unity scene. The unity scene has some ...
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24 views

libgdx+android: White screen after re-create() but not resume()

I have this weird issue only on android where if I push the home button, when I get back into the game it passes through resume() and it display by background texture correctly. But if I push the back ...
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38 views

SetActive doesn't work for GameObject

I'm using Unity 2D for my game and I'm facing a weird problem. I have a GameObject (an image) in my scene with a button attached to it. When the player is out of the screen, the image that works as a ...
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415 views

How to build multiplayer games for android? [closed]

I'd like to know how to build android multiplayer games but I'm struggling to find a step-by-step or good resources on this topic. My main questions is which engine and api to use? I'd like to achieve ...
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1answer
18 views

Unity3d texture size different than original png image [duplicate]

While selecting a png image as a texture for a material in Unity, it shows different size (bigger) than the actual file size, why is this so? how can I reduce its effective size to make it perform ...
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23 views

Unity Optimization: Creating Multiple Similar Scenes Effectively

I've been working on a mobile game that uses the same framework for each level in the game, and I was wondering what would be the most efficient way to store all those levels in Unity. Should I only ...
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14 views

Why doesn't the prefab change in the app?

Such a problem: from the script, I change the image of the sprite of SpriteRenderer component (like another skin) in a certain prefab, having a link to SpriteRenderer. And the problem is that when I ...

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