Flutter error - Gradle task assembleDebug failed with exit code -1

Question

I'm new to flutter. I just created a new project in flutter and have not even altered the code. And when I run the code I get the following error.

Launching lib\main.dart on SM A750F in debug mode...
Gradle task assembleDebug failed with exit code -1
Exited (sigterm)

I have no idea how to fix this, searched a number of ways

When I run flutter doctor I get this error,

Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    X Android license status unknown.
      Try re-installing or updating your Android SDK Manager.
      See https://developer.android.com/studio/#downloads or visit https://flutter.dev/setup/#android-setup for detailed instructions.

I dont know if this has got anything to do with the error above.

build.gradle(app)

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 28

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.dev.teamo"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    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
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

Thanks in advance

Answer 1

You need to accept the licenes from Android to run the app:

run: flutter doctor --android-licenses

And accept the terms on the terminal

Answer 2

I tried this as coined from here since I couldn't get it to work from all methods:

• in root/android/gradle/wrapper/gradle-wrapper.properties set
  distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

• in root/android/build.gradle , set dependencies { classpath 'com.android.tools.build:gradle:3.3.2' }

• check if in root/android/app/build.gradle SDK version is set to minimum 28 for: compileSdkVersion 28 and targetSdkVersion 28

My project successfully built after doing this

Answer 3

I didn't find a perfect solution for this. I solved it by resetting my windows. All licenses are now accepted and the app runs fine.

Answer 4

you can try this way it actually worked for me: 1- visit gradle releases webpage and download last version of gradle 2- unzip the file in this path: "C:\Users"pc name".gradle\wrapper\dists 3- open your editor and try again and it will work inshaalah ☺

Answer 5

Delete the .gradle folder then re-run flutter run .