Mobile Development Collective

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Android Frequently Asked Questions

The Android-related questions that get asked repeatedly, gathered together in one place. What does a new developer always ask at some point? What are the most common questions when someone is ...

Berthold♦

answered Oct 4, 2023 at 18:27

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SwiftUI issue with keyboard

I'm struggling with trying not to move tabbar when my keyboard appears Here is the code of my main tabbar screen ...

Tony

asked Feb 8 at 23:54

-6 votes

0 answers

33 views

How can I fetch hidden PHAssets when ‘Use Passcode’ in the Photos app settings is enabled?

Regarding Apple documentation: Beginning with iOS 16, users can require authentication to view the hidden album, and the user setting is true by default. When true, the system doesn’t return hidden ...

lokredi

asked Feb 8 at 19:32

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0 answers

21 views

I’m experiencing an issue with WebRTC audio on Android 14+ that works correctly on Android 13

I’m experiencing an issue with WebRTC audio on Android 14+ that works correctly on Android 13. Behavior Android 14 → Android 13: Android 13 hears audio correctly Android 13 → Android 14: Android 14 ...

REGUNATHAN V CSE

asked Feb 8 at 19:14

-3 votes

0 answers

24 views

Get notification history paginationToken and startTime inconsistency

According to documentation, even when a paginationToken is provided in the query, the query must still contain the request body that was submitted in the previous query that generated the ...

Bear Bile Farming is Torture

5,467

modified Feb 8 at 18:41

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0 answers

26 views

MediaStore returns files in the same folder with different cases

This is in Android/media/ folder, particularly, /storage/emulated/0/Android/media/com.whatsapp/ When I call a query with MediaStore, I get mostly relative + display name of: Android/media/com....

Godhandcrusher

asked Feb 8 at 9:52

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Overriding Android's default sleep behavior

I'm currently working on an Android-13 device that overloaded the "screen_off_timeout" timer with another sleep behavior: it shuts off the output video interfaces when going into ASLEEP ...

CommonsWare

1.0m

answered Feb 5 at 20:21

Answer

That would seem to be a question that you should direct to the device manufacturer, or to whoever set up its firmware that behaves this way.

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CommonsWare

1.0m

answered Feb 5 at 20:21

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Flutter: Is it possible to identify and match multiple users by fingerprint (1:N matching) on Android/iOS?

I am building a Flutter application that uses fingerprint authentication. Requirement (what I want to achieve): Multiple users should be able to register their fingerprints in the app along with ...

Paulw11

116k

answered Feb 3 at 8:23

Answer

Biometrics on iOS (as with Android) are for authentication, not identification. During enrolment a fingerprint hash is created and stored in the Secure Enclave. There is no actual fingerprint data ...

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Paulw11

116k

answered Feb 3 at 8:23

1 vote

1 answer

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SwiftUI ToolbarTitleMenu prevents navigation title truncation and pushes trailing toolbar items offscreen

I’m running into a layout issue with ToolbarTitleMenu in SwiftUI. When I add a ToolbarTitleMenu to an inline navigation title, ...

Sweeper

294k

answered Feb 2 at 7:17

Answer Accepted

What you are observing is just how the system is designed to behave. That said, something I also observed is that the other tool bar items do not get collapsed in landscape orientation of an iPhone ...

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Sweeper

294k

answered Feb 2 at 7:17

Advice

2 votes

3 replies

229 views

`android` block deprecated with AGP 9.0

The android block seems to be deprecated: 'fun Project.android(configure: Action<BaseAppModuleExtension>): Unit' is deprecated. Replaced by ...

Martin Zeitler

79.8k

answered Feb 2 at 17:51

Answer

Do you have a sample Gradle file that is raising this error? If your project is a Kotlin Multiplatform project, this post may help.

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CommonsWare

1.0m

answered Jan 30 at 22:52

Advice

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5 replies

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Making apps with Kotlin

I learned Kotlin from W3schools. I want to create apps. But on W3schools, there aren't any tutorials for making apps with Kotlin. Where can I learn how to make apps with Kotlin?

Kris B

3,588

answered Jan 29 at 22:13

Answer

See Exploring Android and the rest of my 2nd-generation books, all available for free.

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CommonsWare

1.0m

answered Jan 29 at 12:16

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These are the most active questions in Mobile Development Collective

4374 votes

132 answers

1.9m views

How can I close/hide the Android soft keyboard programmatically?

I have an EditText and a Button in my layout. After writing in the edit field and clicking on the ...

Giorgos Neokleous

1,787

modified Jul 12, 2025 at 9:09

3568 votes

78 answers

1.2m views

Why is the Android emulator so slow? How can we speed up the Android emulator?

I have got a 2.67 GHz Celeron processor, and 1.21 GB of RAM on a x86 Windows XP Professional machine. My understanding is that the Android Emulator should start fairly quickly on such a machine, but ...

UMAR-MOBITSOLUTIONS

78.1k

modified Dec 30, 2025 at 12:01

6429 votes

35 answers

1.5m views

What is the difference between px, dip, dp, and sp?

What is the difference between the units of measure px, dip, dp, and sp?

Harsh Trivedi

modified Aug 4, 2025 at 20:01

3180 votes

54 answers

837k views

How can I stop EditText from gaining focus when an activity starts in Android?

I have an Activity in Android, with two elements: EditText ListView When my ...

Peter Mortensen

31.2k

modified Feb 3 at 1:51

2748 votes

65 answers

1.5m views

How can I fix 'android.os.NetworkOnMainThreadException'?

I got an error while running my Android project for RssReader. Code: ...

SMBiggs

11.8k

modified Jan 21 at 17:58

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These are the most recent articles in Mobile Development Collective

13 votes

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1 minute read

How-to guide

Using SwiftData with SwiftUI

One thing we iOS developers should rejoice about is the development of SwiftData, at least if you are coding for a very new project and can forget about iOS versions below 17. We finally have an ...

otaviokz

created Feb 7, 2024 at 1:38

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