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Questions tagged [mobile-development]

This tag should be used for questions about software development aimed specifically at the mobile environment but not directed at a specific mobile environment such as iOS or Android.

807 questions
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I want to link a library in react native version 0.70.1 but I got a error error: unknown command 'link'

I want to link a library in react native version 0.70.1 but I got a error error: unknown command 'link' after trying this command react-native link react-native-notification-sounds
Mac
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What is the best way to define/store when I have a lot of TextFormField widgets in Flutter?

I have 20 input fields in my app. What is the best way to define TextFormField widgets? For example: Column( children: [ _buildCariUnvanTextField(unvanController), _buildCariUnvanTextField(unvanController), …
Alican Kesen
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1 answer

Swift - open URL from button click

I am learning Swift and iOS development, and I am just trying to figure out how to open an URL from a button click. I found this answer: SwiftUI: How do I make a button open a URL in safari? So I am trying to incorporate "Link" into my code…
John Beasley
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2 answers

How to show the live DateTime as a textView (Like a digital watch) in Android Studio?

I have made two textView in an xml file where one textView shows current date and another shows current time as text. Now, I have used the java Calendar.getInstance().getTime() method to get the date & time information. But it is acting as a static…
Sumit Bikram Maity
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1 answer

How do i run NPX react-native on my laptop

Hello i just got a new laotop and i am tryng to install react-native to my laptop and i have been grtting this error node:internal/modules/cjs/loader:372 throw err; Error: Cannot find module 'C:\Users\JUWON…
Omojuwon Soneye
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1 answer

How to make an app updater for android app?

I'm making an android app that won't go on google play and I want to be able to update it. The way I would do this is by having a server hold a JSON with the newest APK version and link to the APK and on App Launch I want to check the App's version…
Baeta
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1 answer

Can I migrate a Flutter app to a native iOS app?

Myself and a team are starting a potential startup and one of the things we want to do is a mobile app. We have already identified the target audience to mainly be iPhone users. But here in the US there's still plenty of Android user so we've been…
luismir15
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1 answer

Updated 'react-native-scrollable-tab-view' react native library

So I'm currently making an app right now based out of react native and I'm trying to use the 'react-native-scrollable-tab-view' (https://www.npmjs.com/package/react-native-scrollable-tab-view) RN library. It had been working previously but when I…
hnsvhns
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1 answer

HTML to PDF using jspdf in ionic

I want to convert html to pdf using jspdf but i want to generate the pdf without showing the html content to users. The technology im using is ionic. Please help on this issue
ghost_ryder
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1 answer

Flutter timer.periodic is slower than real life

I am using timer.periodic to call some functions at different times. The problem which I am facing is that the timer is much slower than real life like for example what you will see in my code that the timer should finish in 5 seconds but in real…
taha khamis
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1 answer

integer number too large .error , what can I do

I am doing a function that return the GCD of two long number, and when I tried this example I get this error "integer number too large" although I tried with too number less than the max of long value public class MyClass { public static void…
Khairou Boumatrag
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1 answer

Changing Text Color onTap, Flutter

I am an android developer new to flutter and i am trying to create 3 grey text widgets where when a user clicks one, the clicked one becomes blue while the others remain grey. This is the code i currently have Row( mainAxisAlignment:…
Tinovimba Mawoyo
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1 answer

Error message: createProcess error=2, The system cannot find the file specified

I have tried to import uvc camera project into android studio and after I sync the gradle I try to run the application .But then I get an error and I couldn't solve it. The Error -: Task :opencv:ndkBuild FAILED Execution failed for task…
chanaka_ayesh
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1 answer

How to update the selectedIndex after calling my own function inside the NavigationRail?

I've been working on a Flutter app for a few days now. I've implemented a NavigationRail for my app. It works pretty well, excepted for one thing. When I tap on a NavigationRailDestination, it calls the function updateRoute(index) and goes to the…
Simon LE FOURN
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1 answer

Question - Xamarin.Forms 5.0 IOS black screen

Xamarin.Forms 5.0 IOS shows black screen immediately after the splash screen. In debug mode, I was able to access the application but when I changed it to release mode and pushed to test flight, both debug and release modes shows black screen after…
mebunnu
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