android - flutter build.gradle exception - Stack Overflow

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I'm almost done with my project but since I started it I had this error in the android/build.gradle I tried making a new file but didn't work the same error always appears I'm scared it can affect my final apk

allprojects {
    repositories {
        google()
        mavenCentral()
    }
    }

    rootProject.buildDir = "../build"
    subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
    }
    subprojects {
    project.evaluationDependsOn(":app")
    }

    tasks.register("clean", Delete) {
    delete rootProject.buildDir
    }

The supplied phased action failed with an exception. A problem occurred configuring project ':flutter_keyboard_visibility'. Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl. Namespace not specified. Specify a namespace in the module's build file. See for information about setting the namespace.

I'm almost done with my project but since I started it I had this error in the android/build.gradle I tried making a new file but didn't work the same error always appears I'm scared it can affect my final apk

allprojects {
    repositories {
        google()
        mavenCentral()
    }
    }

    rootProject.buildDir = "../build"
    subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
    }
    subprojects {
    project.evaluationDependsOn(":app")
    }

    tasks.register("clean", Delete) {
    delete rootProject.buildDir
    }

The supplied phased action failed with an exception. A problem occurred configuring project ':flutter_keyboard_visibility'. Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl. Namespace not specified. Specify a namespace in the module's build file. See https://d.android/r/tools/upgrade-assistant/set-namespace for information about setting the namespace.

• android
• flutter
• dart

Share Improve this question Follow edited Mar 31 at 2:16 Jaspalsinh Gohil 72811 gold badge99 silver badges2525 bronze badges asked Mar 28 at 2:38 Sami HamzaSami Hamza 133 bronze badges 4

• Can you provide the error message? – AaronCreor Commented Mar 28 at 3:06
• The supplied phased action failed with an exception. A problem occurred configuring project ':flutter_keyboard_visibility'. Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl. Namespace not specified. Specify a namespace in the module's build file. See d.android/r/tools/upgrade-assistant/set-namespace for information about setting the namespace. – Sami Hamza Commented Mar 28 at 5:52
• Are You using latest version of flutter_keyboard_visibility try using latest version – Jaspalsinh Gohil Commented Mar 28 at 8:46
• Iam using the latest version 6.0.0 – Sami Hamza Commented Apr 1 at 3:57

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1 Answer 1

Sorted by: Reset to default 0

You have to go to the Flutter Plugins Folder then navigate to the package name then update the namespace there for example

External Libraries -> Flutter Plugins -> flutter_keyboard_visiblity -> android -> build.gradle

there update the android block like this:

android {
    // Conditional for compatibility with AGP <4.2.
    if (project.android.hasProperty("namespace")) {
        namespace 'com.jrai.flutter_keyboard_visibility'
    }

    compileSdkVersion 31

    defaultConfig {
        minSdkVersion 16
    }

    lint {
        disable 'InvalidPackage'
    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

then run pub get and this should solve your namespace issue

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