Questions tagged [mobile-application]
Refers to a software application that is designed to run on a hand-held device, such as a smartphone, pda, or tablet.
mobile-application
1,914
questions
328
votes
22
answers
561k
views
How can I generate an apk that can run without server with react-native?
I've built my app, I can run it on my local emulator (and also on my android device within the same network by changing debug server).
However, I want to build an APK that I can send to someone ...
- 7,722
270
votes
30
answers
81k
views
Cause: buildOutput.apkData must not be null
My android application using Kotlin is throwing this exception when I try to Run 'app' in the emulator o in my cellphone. When I build my project it runs well, with no errors.
I am using:
SDK 28 (...
- 2,723
194
votes
5
answers
63k
views
Creating an API for mobile applications - Authentication and Authorization
Overview
I'm looking to create a (REST) API for my application. The initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I've been looking into different ...
- 2,642
147
votes
10
answers
100k
views
Embedding ads on Android app?
I would like to make a free version of the Android app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is ...
- 1,611
71
votes
3
answers
98k
views
Which version does React Native support (iOS and Android)?
I can't find this information. Is it true that Android React Native runs on sdkMin18 and therefore makes it supported by most android versions?
- 811
67
votes
3
answers
130k
views
Convert HTML5 into standalone Android App
I have a dynamic HTML5 document that does not contain any external resources (no images, css and scripts are coded inside of document). This HTML5 application is working fine with internet browser. I ...
- 43.2k
58
votes
7
answers
121k
views
Flutter: Push notifications even if the app is closed
I have built an application with flutter that works like a reminder.
How can I display notifications to the user even though the app is closed?
- 3,513
35
votes
9
answers
74k
views
NavController doesn't work in Ionic 4
I'm injecting NavController in my constructor as I want to push a page. But, below code doesn't work in Ionic 4. It was totally okay in Ionic 3.
Constructor
constructor(public menuCtrl: ...
- 1,561
34
votes
5
answers
35k
views
How to pop two screens without using named routing?
For example, my current routing is like this:
Login -> Screen1 -> Screen2 -> Screen3 -> Screen4
I'd like to go back to Screen2 from Screen4.
I can't use named routing, because I have to ...
- 471
31
votes
2
answers
6k
views
how to build an APK and separate libraries that the app loads dynamically
The short summary is: How do I build an APK and separate libraries (by which I mean sets of classes (and ideally, resources too) in some form, such as JAR, AAR or DEX files), but not include those ...
- 27.8k
29
votes
2
answers
10k
views
Drag up a ScrollView then continue scroll in React Native
What I want (GIF)
Here is a (quality-reduced) GIF about what I'm want to achieve.
What I want (Text)
I have a scrollview, that is positioned at the half of my screen.
What I want is to drag that ...
- 4,875
28
votes
5
answers
16k
views
what is the advantage of using Alamofire over NSURLSession/NSURLConnection for networking?
Can anyone help me in understanding these question : What is the advantage of using Alamofire over NSURLSession/ NSURLConnection?
What are the differences between NSURLSession and NSURLConnection?
26
votes
6
answers
24k
views
The method 'setMockMessageHandler' isn't defined for the class 'BasicMessageChannel<dynamic>'
After running the Flutter project, I get this error. What can I do to solve it?
Error: The method 'setMockMessageHandler'
isn't defined for the class 'BasicMessageChannel<dynamic>'.
FAILURE: ...
- 436
21
votes
3
answers
17k
views
Authentication for a Symfony2 api (for mobile app use)
I've developed a REST api for my Symfony2 application. This api will be used by a mobile app. Much of the functionality is done in the context of the currently authenticated user, ie:
$this->...
- 3,842
19
votes
4
answers
23k
views
Is it necessary to install Android Studio for flutter or what can be replacement for android studio?
I am using vscode and I installed the flutter plugins, Dart plugins and etc but still, I cannot find my device as well as I Found the issues as follows
[flutter] flutter doctor
Doctor summary (to see ...
- 227
19
votes
2
answers
4k
views
React Native vs Swift/Objective-C/Java Native
I'm working on a new project for a Fintech company and I have been tasked with looking into whether we should go with React Native or native Swift/Objective-C/Java for our mobile app development ...
- 974
16
votes
5
answers
42k
views
How to create apps for mobiles which are using KaiOS? [closed]
I recently found in news that KaiOS has been used in 4G Volte Enabled feature mobile phones. I was wondering how to create apps for KaiOS. Any help on creating apps for KaiOS has been greatly ...
- 401
16
votes
1
answer
10k
views
Do Mobile apps need to comply to the EU Cookie Law? [closed]
I've had an interesting question from a client regarding the EU cookie law and how it affects their mobile apps.
As you may well know, the Cookie Law requires websites to let users know that the ...
- 1,876
15
votes
1
answer
9k
views
How to implement speech-to-text via the Speech framework in Objective-C?
I want to do speech recognition in my Objective-C app using the iOS Speech framework.
I found some Swift examples but haven't been able to find anything in Objective-C.
Is it possible to access ...
- 11.6k
15
votes
4
answers
25k
views
Flutter navigation, reopen page instead of pushing it again
I'm new to flutter and I'm working on an App that have multiple screens.
I would like to know to stop flutter from creating multiple screens of the same route,
for example I have Page 1 and Page 2, ...
- 151
15
votes
3
answers
2k
views
Talking App like talking tom, Audio Recording didn't work on all devices
I am developing an application like talking tom, every thing is working fine just the audio recording making problems on some devices, Audio is also working fine on my hdpi device but whenever i run ...
- 4,508
13
votes
4
answers
32k
views
Ionic 4 - AlertController: Property 'present' does not exist - Angular?
I'm setting up a new alert in Ionic 4 - blank type:angular project.
It's basic alert but I get an error occured running of my project.
Error
Property 'present' does not exist on type 'Promise'. ...
- 159
13
votes
2
answers
7k
views
How to make RadioListTile widget disabled in flutter
I'm using the RadioListTile widget in my application and I want to disable changing the value after some condition is satisfied. and there is no isButtonDisabled prop just like in Radio widget. how ...
- 1,116
13
votes
5
answers
12k
views
Block all means to close an android application
I'm trying to develop an application for an android tablet.
This tablet will be shown to the public and they can touch it.
I want to block all means to close the app except for a button/preference ...
- 788
13
votes
1
answer
5k
views
How does Timed Publishing work for new versions (updates) in Google Play?
I know that Time Publishing works for store listings such as description and screenshots. But I am not sure how it works for releasing a new version. I want to upload apk, create a release and add the ...
- 477
12
votes
1
answer
18k
views
NSURLSession request and response
To understand how GET requests are made using NSURLSession in Objective-C, I would like an example. And, how is a response obtained?
- 203
12
votes
1
answer
4k
views
Fixed-error: How to Solve The return type 'StreamController<ConnectivityStatus>' isn't a 'Stream', as defined by anonymous closure error
I was following the below tutorial for connectivity status based on internet connection.
link : https://www.filledstacks.com/post/make-your-flutter-app-network-aware-using-provider-and-connectivity-...
- 1,101
12
votes
3
answers
42k
views
How to connect to the server on mobile application?
I am new to mobile applications. I am basically from a web development platform. I am just playing around mobile frameworks like App Framework, LungoJS, Jquery Mobile, kendo etc to gain some knowledge ...
- 213
11
votes
10
answers
13k
views
ERROR TypeError: _RNGestureHandlerModule.default.flushOperations is not a function (it is undefined), js engine: hermes
I create the React Native Expo Mobile app. I got this error in android ERROR TypeError: _RNGestureHandlerModule.default.flushOperations is not a function (it is undefined), js engine: hermes.But,Not ...
- 103
11
votes
2
answers
14k
views
How to change the name of Flutter Application?
I just made a Flutter app following the instructions of this page, and I googled how to change the name of the application, and found this answer. But I can't change the name of the application from ...
- 185
11
votes
3
answers
8k
views
How to do simple AB testing in iOS
I am looking to split up my user base to 10 group and show 10 different UI and see how they feel about it.
so each user group will have single type of UI always.
i.e Let's say I have 10k users and ...
- 171
11
votes
2
answers
2k
views
how to reset/restart an animation and have it appear continuous?
So, I am fairly new to iOS programming, and have inherited a project from a former coworker. We are building an app that contains a gauge UI. When data comes in, we want to smoothly rotate our "layer" ...
- 669
10
votes
12
answers
6k
views
In J2ME and Android which one is more useful, useable and popular as mobile programming language or framework? [closed]
I am very interested in mobile application development. But which language or framework is more popular, useful and usable?
I know Java well. If you have any idea and/or experience, please help me to ...
- 3,481
10
votes
5
answers
15k
views
StaggeredGridView is undefined
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart'; //import libray
flutter_staggered_grid_view: ^0.5.0 // package
Flexible(
child: Container(
padding: ...
- 133
10
votes
1
answer
5k
views
media queries not applying inside the iframe of a mobile application
I have strange issue when loading a site within iframe of my mobile application. I am having a website with seven pages. When I browse my website url in iphone's safari. The content in all the pages ...
- 113
10
votes
1
answer
2k
views
Reverse Port Forwarding in iOS over USB
I have a web socket server on desktop and client on iPhone device. I would like to communicate with them using USB rather than any network. I have implemented it on android using adb reverse but not ...
- 304
9
votes
2
answers
9k
views
How do I prompt iPhone/iPad visitors to install native app?
I've visited a few sites on my iPhone/iPad which have prompted me to install the native app the first time I've visited the site. Is there a standard script somewhere that people use for this or ...
- 9,705
9
votes
3
answers
18k
views
Difficulty deploying Django app on Android and iPhone.. planning on switching to PHP instead of Django
Okay so I am 1/4th finished creating a django application (where users must register an account, log in and can interact with other users of the application, basically a social network. And the ...
- 1,107
9
votes
4
answers
504
views
Mobile application data management
My question surrounds around one single point - data management in mobile application. I have created a mobile application where data comes from server. The data includes both text and images. ...
- 14k
9
votes
1
answer
12k
views
Captcha in mobile application and web application
I have read some web site that captcha is not needed in mobile application.
I have some doubts.
Why captcha is needed in a web application and not needed in a mobile that access the same ...
- 547
9
votes
1
answer
2k
views
How to handle multiple environments for a mobile app?
Consider an enterprise mobile app available for both Android and iOS, with build and release pipelines.
What I'm trying to achieve is a promotional model for the release pipeline, such that the app ...
- 14.1k
9
votes
2
answers
7k
views
An unexpected packet was received before the handshake. - Android Studio
When I run the Flutter project on Android Studio, before running the application on the emulator, the event log displays "An unexpected packet was received before the handshake" for six to ...
- 119
8
votes
3
answers
11k
views
Which framework is the best to develop a mobile application using database connection?
I developed a website using PHP5. Now, I want to sum up the main features of my website in a cross-platform mobile application.
I did some research about frameworks which can do this. I found 'jQuery ...
- 5,491
8
votes
3
answers
13k
views
error: package android.view does not exist
I am getting this error in view bindings file generated by Android studio. I have added
buildFeatures {
viewBinding true
}
to the app build.gradle file.
- 123
8
votes
2
answers
7k
views
Background data sync for mobile apps
We're building an API and mobile app on top of a database that has a few hundred thousand records in the main table of interest.
Our mobile developer is pushing hard about pre-loading the app with ...
- 68.5k
8
votes
5
answers
15k
views
Turn Angular 2 app into mobile app
We have a responsive web app developed using AngularJS 2. We would like to wrap it inside a package to redistribute it as a mobile app. Android is our priority. We have looked at Cordova. Are there ...
- 227
8
votes
1
answer
312
views
How does OAuth2.0 security works in Mobile APPs ? What happens if client_id gets compromised?
OAuth 2.0 in web application works using redirect URI, where Authentication provider redirects to redirect URI & verifies same with registered one which developer provides during app registration ...
- 133
8
votes
2
answers
4k
views
Facebook and share buttons on a mobile-enabled website that open the mobile app instead of a browser window?
One of the big flaws in Android webphones (and probably other Operating Systems for phones): You are surfing some website, and want to use the site's embedded share button for say Twitter. You want to ...
- 219
8
votes
1
answer
10k
views
Is there free mobile app CMS? [closed]
I want to do mobile app (let's say it will be like ebook with some improvements) which content should be changeable for non-programmer user. And this content should not be loaded from web at every ...
- 81
7
votes
7
answers
2k
views
Does `Using Namespace;` consume more memory?
Does Using Namespace; consume more memory?
I'm currently working on a mobile application and I was just curious if those unneeded using statements that visual studio places when creating a class make ...
- 8,221