App hanging when it hits "shared_preferences" plugin.

[Brent]

Hello.

I'm building my first app, so I'm probably doing something very stupid. My app works perfectly in my emulator, but as soon as I upload it to the Google Play store as an internal release, and download it to my phone to test, I'm having issues.

My first issue is the "shared_preferences" plugin, when I call:

SharedPreferences prefs = await SharedPreferences.getInstance();

I've commented out everything else and it works fine, but as soon as it hits this, the application just hangs forever.

Any help would greatly be appreciated!

My phone is a Moto G5 Plus running Android 8.

Here is flutter doctor:

[√] Flutter (Channel stable, 1.20.4, on Microsoft Windows [Version 10.0.18363.1082], locale en-US)

    • Flutter version 1.20.4 at C:\src\flutter

    • Framework revision fba99f6cf9 (3 weeks ago), 2020-09-14 15:32:52 -0700

    • Engine revision d1bc06f032

    • Dart version 2.9.2

[√] Android toolchain - develop for Android devices (Android SDK version 30.0.2)

    • Android SDK at C:\Users\brent\AppData\Local\Android\sdk

    • Platform android-30, build-tools 30.0.2

    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java

    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

    • All Android licenses accepted.

[√] Android Studio (version 4.0)

    • Android Studio at C:\Program Files\Android\Android Studio

    • Flutter plugin version 50.0.1

    • Dart plugin version 193.7547

    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[Souvik Dutta Chowdhury]

I think you might try using firebase crashlytics or something similar to understand what is causing the crash.

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[AW Results]

SharedPreferences _sharedPref;

testingSharedPreferences() async {

  _sharedPref = await SharedPreferences.getInstance();

    await _sharedPref.setString("savedPrefKey", "Saved this example string");