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Questions tagged [development]

Use this tag for questions related to app development from the end-user's POV only, not about issues with app development itself. Questions about issues with Android development are OFF-TOPIC on Android Enthusiasts. Do not ask them here, try Stack Overflow instead.

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Data is not showing on RecyclerView [closed]

the app is supposed to display movies image, title and rating fetched from an TMDB API into a RecyclerView. i am not able to get the error because it does not show any in problem section it perfectly ...
Ankur Rathore's user avatar
0 votes
0 answers
26 views

How to prevent apps for second user showing in list of apps for first user?

How can I make sure that the apps in my secondary space don't appear in the list of apps in my primary profile? I would like it to appear only the installed apps according to active space, I looked ...
zinn's user avatar
  • 1
0 votes
0 answers
577 views

Adding prebuilt APK to Android system.img (stock firmware from manufacturer)

Can someone help add a prebuilt APK to an Android system.img for me? I’ve obtained boot.img, system.img, etc. (the full firmware) from the manufacturer of the device. I’ve been trying for hours to add ...
Meunk .3's user avatar
0 votes
1 answer
44 views

modify apk content

Do you know if it possible to edit compiled code in apk package? I tried followed steps: Unpack xapk file by command: unzip my-app.xapk (I have there multiple apk and I need to modify one of them, ...
lolcio's user avatar
  • 101
1 vote
1 answer
85 views

FastHub for GitHub

I've used the FastHub for GitHub Android app in the past, but can no longer find it on the Google Play store. Has it been replaced by the GitHub app for Android? What are the differences, or any ...
Joselin Jocklingson's user avatar
0 votes
1 answer
360 views

Bluetooth Process is Dying constantly

My phone's bluetooth keeps disconnecting and connecting constantly. I recently built my first custom ROM, Lineage OS 20 for my Redmi Note 9 (Merlin/Merlinx). Lineage OS is not officially supported on ...
user avatar
2 votes
1 answer
967 views

Recover user data (photos videos) from a Poco X3 Pro forgotten pattern

So, I decided yesterday to change my pattern to something more complicated for terms of privacy. For my bad, I had such an awful day yesterday and I honestly don't remember the whole pattern. My ...
JMRMEDEV's user avatar
1 vote
0 answers
478 views

Shutdown android device after disconnect charger

I need shutdown android system after disconnect charger. I have android 6.0.1 (rooted), and I'm looking for to power off phone, when it's not charging. I'm looking for programming solution. I have ...
Krzysztof Em's user avatar
1 vote
0 answers
398 views

Do android roms with only boot.img file available in fast boot rom don’t have separate recovery.img

I have phone named Vivo Y83 /(vivo1802) I wanted the stock recovery image of my device to port twrp recovery since it’s not officially available for my device. But after getting hands on my fastboot ...
Click Bait's user avatar
1 vote
0 answers
397 views

How does Android creates block devices and mounts it?

How does Android create block devices in /dev? Android does not support devtmpfs and Android /init does not use udev or (busybox) mdev. ueventd.rc doesn't contain strings for /dev/block/.... But, ...
RandomDice 779's user avatar
1 vote
0 answers
68 views

Is there an app that will allow me to track my phone without data using SMS?

I have an Android phone, but I don't have a data plan. However, I have unlimited SMS and calling. I lost my phone recently (and thankfully, I found it), but it was hard to find, since I couldn't ...
Felix An's user avatar
  • 111
0 votes
0 answers
781 views

Is it possible to run KVM-Accelerated VM on Android Devices?

I am trying to enable KVM on the Android kernel so that I can run KVM accelerated VM on my Android phone. However, after enabling KVM, checking the dmesg, I get this: [ 1.039716] c3 1 kvm [1]:...
overkill's user avatar
2 votes
0 answers
111 views

How to cryptographically verify the authenticity and integrity of Android Studio releases (with gpg?)

For a given Android Studio release published by Google, how can I cryptographically verify the authenticity and integrity of the .tar.gz file that I downloaded before I copy it onto a USB drive and ...
Michael Altfield's user avatar
2 votes
0 answers
149 views

Is it possible to enable USB Debugging (Install via USB) on Redmi phone without signing into Xiaomi account? [duplicate]

I am trying to debug an android app using my Redmi S2 phone (android 8.1) but there is a problem. Even though I can enable USB Debugging in developer options, I am unable to enable "Install via ...
Prahlad Yeri's user avatar
0 votes
0 answers
404 views

I was running an AVD on Android Studio and I got the following 2 errors. What do they mean?

Error number 1: Emulator: E0809 05:21:56.677723102 2704 socket_utils_common_posix.cc:201] check for SO_REUSEPORT: {"created":"@1596930716.677712232","description":"...
Sbavert's user avatar
  • 159
0 votes
1 answer
312 views

Samsung galaxy a7 2018 hangs after update android 10

Recently I updated my device from android 9(one UI 1)to android 10(one UI 2) After updating to android 10 it freezes again and again,not the whole phone freeze, only display hangs but background ...
Praveen Yadav's user avatar
0 votes
0 answers
634 views

Is there STB emulator for STB developers which runs on PC?

We develop an STB app, we run it on actual STB boxes for testing, the boxes are slow and the development experience is so bad. Many options on the STB are only accessible through a remote control. We ...
Lynob's user avatar
  • 241
1 vote
0 answers
663 views

How to insert an emoji using adb shell input?

I've been trying to insert emojis into my android phone using ADB. adb shell input text "..." works for inserting text, but when I tried to insert an emoji using the unicode(\uD83E\uDD70), I am ...
Undergott's user avatar
0 votes
0 answers
53 views

Can I access both cameras, wide and normal at the same time?

Some smartphones have two cameras, working together as one implementing different parts of the zoom range. Is it possible to use both of them at the same time? With both at the same time, I do not ...
Volker Siegel's user avatar
4 votes
0 answers
1k views

Possible to change an apps SSAID aka Android_ID without rebooting? Which service handles this? Fast rebooting with Zygote kills my shell script

This may seem like an odd question, and I apologize for that. I am currently debugging an application and I am having trouble getting new Android_ID's to stick without rebooting. To be specific ...
Jason Waltz's user avatar
2 votes
3 answers
20k views

How to use Visual Studio Code on an Android device?

I have Samsung Galaxy Tab S6 and it has cool features to replace laptops, but it is unfortunately running Android OS, and not many development apps are available for Android. Is there an option to run ...
solimanware's user avatar
3 votes
1 answer
112 views

Make an Android app keep its spot on the home screen on uninstall/reinstall

When developing Android apps, I will often end up reinstalling the app I'm working on (deliberately after uninstalling it, or when the build signatures are different). It's bothersome to always put ...
Julian Honma's user avatar
2 votes
0 answers
94 views

learning then mastering and using Android for a Linux "guru" using the command line? [closed]

I am a 60-year old Linux guru: coding Bismon (documented here) and using and coding on Unix since 1987 (SunOS3.2) and Linux since 1993 (but I never used Windows, and very probably never will). Of ...
Basile Starynkevitch's user avatar
0 votes
1 answer
83 views

Android OTA update fail when increased the system.img size

I am working on IMX6Q with Android 7 for OTA update. Current system.img size 499 MB with this OTA update work. I increased this due to compilantion error. If system.img is above 499 MB ota update fail....
VKS's user avatar
  • 43
1 vote
1 answer
3k views

Compile apps from GitHub source on device via Termux or apps?

Are there any ways to compile APKs on the device from GitHub source, like "APK builder" by heagoo? Termux method would be nice too if anyone knows. I have tried the sdrausty.github.io method,...
AndroidS7edge's user avatar
3 votes
0 answers
192 views

Android Studio: Can't add sdcard to AVD using external file

I've just recently moved to a new laptop (Migrated from Windows 7 to 10) and I'm now setting up my development environment for android. As such, I've created a new AVD using Android Studio. However I ...
Wep0n's user avatar
  • 181
1 vote
1 answer
352 views

Is it possible to use the Android Hardware without using android APIs?

I've always liked cheap smartphones ($ 50) because with little money I can have a powerful system with lots of sensors and things like that. So I wondered if it was possible to use the hardware ...
user avatar
1 vote
1 answer
115 views

Can you test apps on a google locked phone?

I'm an Android developer and I'm looking for a test phone, since I don't want my main phone plugged in and charging all day. I noticed that there are many "Google Locked" android phones for sale on ...
Jay's user avatar
  • 111
4 votes
1 answer
6k views

How to use -net-tap with android sdk emulator?

I am trying to create a bridge between android emulator (from android sdk) and host system using -net-tap. Is there any working manual for that case? I have tried to launch emulator with -net-tap tap0 ...
Dennis's user avatar
  • 63
1 vote
0 answers
42 views

can we change the general functionality of volume buttons? [closed]

can we change the general functionality of volume buttons while specific service is playing in the background in my app(like using the volume buttons to skip the songs, using those button to drag up ...
vishal bhati's user avatar
0 votes
1 answer
100 views

Developing Android apps from within Android [duplicate]

I want to be able to develop Android applications from my Nexus 6p. Basically, just have a project, and compile it into an installable apk, but from within Android itself. I have heard of AIDE and ...
Tyler Richardson's user avatar
1 vote
1 answer
178 views

What makes flashing ROMs risky?

I would like to play with developing Android ROMs for learning purposes and for maybe I can fork my current ROM and change interesting stuff in it. I would rather be not happy at all with a bricked ...
OverCoder's user avatar
  • 171
3 votes
0 answers
405 views

Where to suggest LineageOS feature requests?

The LineageOS bug reporting guidelines mention not to report feature request in the Jira issue tracker and wisely don't provide any information where to suggest them instead.
Kalle Richter's user avatar
2 votes
0 answers
89 views

What's the logical name for Android's native GPS interface?

I'm trying to identify and locate the /dev/ pseudo-file that corresponds to the onboard, hardware GPS devices; installed in most modern Android smartphones, and tablets. I know that it probably varies ...
voices's user avatar
  • 217
-5 votes
1 answer
587 views

Does anyone know how to install Android SDK/NDK on Ubuntu VirtualBox? [closed]

I am a graphics student learning how to develop OpenGL ES applications on Android using the SDK/NDK. However, the SDK gives me a few errors, pasted below: Also, I get this error in the terminal: ...
mago3421's user avatar
0 votes
1 answer
1k views

Removing an app protected from uninstall by password and with System Owner permissions?

I want to ask, if there is a way to remove an app that is protected from uninstall by password and has Device-administrator permissions granted? I am using an LG L90 phone with android 5.0.1 L (NOT ...
Rph's user avatar
  • 33
0 votes
1 answer
306 views

By accident deleted /dev folder on android (LG G2 phone). how can i bring back system to life?

Hello good people of universe! Someone asked before on this website "what will happen if i delete /dev folder on android?", its kinda funny, but i really deleted it, but it was by accident while ...
Alexglobal111's user avatar
0 votes
1 answer
443 views

Where is color information stored in android apps ?

This might not be the correct place to post this, so please tell me if it isn't. As the title says, I'm trying to find the color palette for android apps while they're installed. I can't decompile the ...
user186179's user avatar
-1 votes
1 answer
5k views

How to block other apps to Open .Only My app will be open when android is strated [closed]

1) When My app is running disable buttons like home,minimize. 2) only admin can Unlock this feature.
Mahesh24's user avatar
  • 101
-1 votes
1 answer
788 views

Is it possible to give root access to some apps without unrooting smartphone?

Is it possible to create an app to bypath unrooted phone to will seen like rooted phone for those apps who needs root access by that app one must be able to give permission to those specific apps who ...
Achmed's user avatar
  • 99
0 votes
1 answer
6k views

Send "step" sensor event from ADB

My smartphone has sensors those: Step Detector | Qualcomm | 0x0000001e | on-demand | no batching support | last=<0.000000> Step ...
SamedDeger's user avatar
0 votes
1 answer
69 views

Create websites with Android phone? [duplicate]

I have Google searched this many times, but I only get "how to make a mobile version of your website" and such. I want to know if I am able to use my Android phone to write code/script and view the ...
Austin Griner's user avatar
1 vote
2 answers
2k views

What programming languages are used in Android OS development?

I know we can develop Android apps in Java and also that the base of Android is Linux. However, I don't know what programming languages are used in the Android Open Source Project. I try to find out ...
Ranjit's user avatar
  • 123
8 votes
5 answers
17k views

Can I install Ruby and Ruby on Rails on an Android?

Aware that this is a bit mental, but can I install Ruby on a Galaxy S4 running Jelly Bean 4.2? A console where I can install gems, rake routes and run the Rails server, and browse to my application by ...
Starkers's user avatar
  • 267
2 votes
4 answers
3k views

Is there any easy way to get GNU build tools on Android? If not... why not?

With the growing number of Android devices in all sorts of different form factors (dev boards like Raspberry Pi/ODroid, Android-on-a-stick, etc), it seems like it would be great to be able to actually ...
user1027169's user avatar
67 votes
10 answers
24k views

How can I do development on my Android device?

I have a pretty long commute to work and own an android phone. I figure it would be nice to do some simple programming on the way. I'm not picky on which language to code on. I usually have an ...
Slamice's user avatar
  • 781
7 votes
3 answers
4k views

Is it possible to program on a Honeycomb tablet? [duplicate]

Possible Duplicate: How can I do development on my Android device? I was wondering if there are apps making it possible to program on an Android tablet? I know it's not the best "work tool" out ...
Itai Sagi's user avatar
  • 179