Flutter: Execution failed for task ':app:packageDebug'

Question

Hello i have a problem when i compile with flutter

I have already tried to debug with flutter run -- debug but no success I think that from gradle but i don't know how to fix this.

    Resolving dependencies...                                           
    3,5s

    FAILURE: Build failed with an exception.

    * What went wrong:
    Execution failed for task ':app:packageDebug'.
    > Failed to generate v1 signature

    * 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.

    * Get more help at https://help.gradle.org

    BUILD FAILED in 4s
    Running Gradle task 'assembleDebug'...
    Running Gradle task 'assembleDebug'... Done                         
    5,2s
    Gradle task assembleDebug failed with exit code 1

when i run flutter doctor:

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel master, v1.7.4-pre.27, on Microsoft Windows [version 
10.0.17763.503], locale fr-FR)

[√] Android toolchain - develop for Android devices (Android SDK version 
28.0.3)
[!] Visual Studio - develop for Windows (Visual Studio Community 2017 
15.9.12)
X Visual Studio is missing necessary components. Please re-run the Visual Studio installer for the "Desktop development with C++" workload, and include these components:
    MSBuild
    VC++ 2017 version 15.9 v14.16 latest v141 tools
    Windows 10 SDK (10.0.17763.0)
  [√] Android Studio (version 3.4)
  [√] VS Code (version 1.35.0)
  [√] Connected device (1 available)

  ! Doctor found issues in 1 category.

Please help me Thank you for your time and attention.

Malek Tubaisaht · Accepted Answer · 2020-05-21 02:08:50Z

14

run flutter clean in terminal and run again

answered May 21, 2020 at 2:08

Malek Tubaisaht

1,43519 silver badges16 bronze badges

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1 Comment

FlutterWiz Over a year ago

it still works for 2022

Badre · Accepted Answer · 2019-11-24 16:57:39Z

3

Delete this file : ~/.android/debug.keystore

answered Nov 24, 2019 at 16:57

Badre

331 silver badge3 bronze badges

Comments

J Jiju Thomas · Accepted Answer · 2021-07-25 10:34:24Z

1

Solution 1

run flutter clean
flutter pub get get all dependency

Solution 2

add Multidex

android {
defaultConfig {
    ...
    minSdkVersion 15 
    targetSdkVersion 28
    multiDexEnabled true
}
...


dependencies {
   implementation "androidx.multidex:multidex:2.0.1"
}

Solution 3

delete ~/.android/debug.keystore in android sdk.

Note: Follow step wise, only try Solution 3 if above two doest work.

answered Jul 25, 2021 at 10:34

J Jiju Thomas

5394 silver badges3 bronze badges

1 Comment

West Over a year ago

none of these worked :(

Avijit Nagare · Accepted Answer · 2020-05-17 03:54:33Z

For me, i was able to run app by commenting release code from android/app/build.gradle file

//      signingConfigs {
//        release {
//            keyAlias keystoreProperties['keyAlias']
//            keyPassword keystoreProperties['keyPassword']
//            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
//            storePassword keystoreProperties['storePassword']
//        }
//    }
//    buildTypes {
//        release {
//            minifyEnabled true 
//             shrinkResources true
//            signingConfig signingConfigs.release
//        }
//    }

Uncomment with:

//Debug
    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
    //Debug

Ashish Patel · Accepted Answer · 2021-04-06 15:05:39Z

0

This worked for me

Run flutter clean
Get packages using flutter pub get
Run again

answered Apr 6, 2021 at 15:05

Ashish Patel

311 silver badge6 bronze badges

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