Flutter & Dart Singleton Design Pattern | Flutter Design Pattern with example

The Singleton pattern in Flutter and Dart is a design pattern that ensures a class has only one instance and provides a global point of access to that instance. It is commonly used when you want to manage shared resources, like database connections, configurations, or services, without creating multiple instances of the same object.

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[MuhammadKamran]

Asif bhai apni apps ko play store, app store pa or testFlight wagra pa kase upload krta ha en topics pa bhi video banda day.. Suhkriya😇

[mohangarase]

Flutter Webrtc group video call per video banaye please

[XcelerateCoder]

Hello,
I am having trouble with Firebase Authentication in my Flutter project. After adding the Firebase Auth package and trying to run the project, I received this error:

```
Launching lib\main.dart on sdk gphone16k x86 64 in debug mode...
Running Gradle task 'assembleDebug'...
Error:
uses-sdk:minSdkVersion 21 cannot be smaller than version 23 declared in library [:firebase_auth]
Suggestion: increase this project's minSdk version to at least 23.
```

I updated the `minSdkVersion` in the `build.gradle` file to 23, but now I see this error:

```
Launching lib\main.dart on sdk gphone16k x86 64 in debug mode...
Running Gradle task 'assembleDebug'...
Error: ADB exited with exit code 1
adb: failed to install...: INSTALL_FAILED_INVALID_APK: Failed to extract native libraries.
```

Can you help me fix this? I asked ChatGPT before, but I didn't get a good answer.

[shuvam]

Hello sir, I have learned provider state management from your provider playlist. Thank you so much for making such a helpful playlist.
Currently, I am working on a tracking app. I'm using geolocator, geocoding, and Google map package for that. I am able to access my location when I'm using the app, but when I minimize the app, i am unable to access my location and when i reopen the app from background then I'm able to access the location again. I am printing lat long on console to knwo it. Other, things like battery, device model are being print on console when i minimize the but lat long is not being print.
I have searched a lot about this but couldn't find any solution. Could you provide any resources available online to solve this issue. I would appreciate it.