Question 74780 in Flutter Question posted in
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Gradle task assembleRelease failed with exit code 1 error – Flutter

It gives such an error when trying to make this file apk.

C:flutterbinflutter.bat --no-color build apk

Building without sound null safety

[!] Your app isn't using AndroidX.
    To avoid potential build failures, you can quickly migrate your app by following the steps on .
Running Gradle task 'assembleRelease'...                        

FAILURE: Build failed with an exception.

* Where:
Build file 'C:UsersAlpAndroidStudioProjectsInstaUIandroidbuild.gradle' line: 24

* What went wrong:
A problem occurred evaluating root project 'android'.
> A problem occurred configuring project ':app'.
   > Failed to notify project evaluation listener.
      > AndroidX must be enabled when Jetifier is enabled. To resolve, set android.useAndroidX=true in your gradle.properties file.
      > Could not get unknown property 'ndkVersion' for extension 'android' of type com.android.build.gradle.internal.dsl.BaseAppModuleExtension.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.


BU�LD FAILED in 6s
Running Gradle task 'assembleRelease'...                            7,1s
Gradle task assembleRelease failed with exit code 1
Process finished with exit code 1
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2

Answers


  1. 0

    For your first error which is AndroidX must be enabled when Jetifier is enabled. To resolve, set android.useAndroidX=true in your gradle.properties file.

    Add following two lines in gradle.properties file.

    android.useAndroidX=true
android.enableJetifier=true

    For your second error, based on your error message Could not get unknown property 'ndkVersion' for extension 'android' of type com.android.build.gradle.internal.dsl.BaseAppModuleExtension. you need to do the following:

    Navigate to android >> app >> build.gradle and change your flutter.ndkVersion to the latest stable version. You can check the latest NDK stable version here

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