Execution failed for task app:transformClassesAndResourcesWithProguardForDebug

问题

when i try to run my app i get these errors:

Error:Execution failed for task ':app:transformClassesAndResourcesWithProguardForDebug'.

java.io.IOException: Please correct the above warnings first.

This is my Gradle file
apply plugin: 'com.android.application'

android {
compileSdkVersion 24
buildToolsVersion "24.0.2"

defaultConfig {
    applicationId "xxxxxxxxxxxxx"
    minSdkVersion 14
    targetSdkVersion 24
    versionCode 1
    versionName "1.0"
}
buildTypes {
    release {
        minifyEnabled true
        shrinkResources true
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
    debug {
        minifyEnabled true
        shrinkResources true
    }
}
}
repositories {
mavenCentral()
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:24.2.1'
compile 'com.android.support:design:24.2.1'
compile 'com.google.android.gms:play-services:9.8.00'
compile 'com.google.android.gms:play-services-auth:9.8.00'
compile 'com.facebook.android:facebook-android-sdk:4.0.0'
compile 'com.google.android.gms:play-services-ads:9.8.00'
compile 'com.firebase:firebase-client-android:2.3.1'
compile 'com.google.android.gms:play-services-gcm:9.8.00'
}
apply plugin: 'com.google.gms.google-services'

can any one say why am i getting this error?

it shows some jar files are duplicate ,but i dont know which dependency to remove.

回答1:

add the below to your ProGuard rules

-ignorewarnings

回答2:

Remove

debug {
        minifyEnabled true
    }

This worked for me

回答3:

Add following to the debug section:

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

If you are setting minifyEnabled to true, you need to have proguardFiles defined. If you don't need minifyEnabled, just set it to false. Then you don't need to add proguardFiles.

回答4:

Try this:

    debug {
        minifyEnabled true
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro', 'proguard.cfg'
    }

回答5:

I faced the same issue. So I checked the the third parties and update the third parties Gradle versions in my app level Gradle. It worked for me. Actual one the third party version was deprecated. Which was causing the issue. Hope it will help someone.

回答6:

adding useProguard true worked for me

回答7:

Remove minifyEnabled true from debug if you are getting error while compiling the app. As this time its running debug part.

buildTypes {
  debug {
    minifyEnabled true// (<--Remove)
    proguardFiles getDefaultProguardFile('proguard-android.txt'),
            'proguard-rules.pro'
  }
}

Remove minifyEnabled true from release if you are getting error while creating final releasing api.

buildTypes {
  release {
    minifyEnabled true// (<--Remove)
    proguardFiles getDefaultProguardFile('proguard android.txt'), 'proguard-rules.pro'
  }
}

来源：https://stackoverflow.com/questions/40258804/execution-failed-for-task-apptransformclassesandresourceswithproguardfordebug

标签

java

android

firebase

google-play-services