Android Studio Gradle issue upgrading to version 0.5.0 - Gradle Migrating From 0.8 to 0.9 - Also Android Studio upgrade to 0.8.1

Question

After upgrade message states:

Failed to refresh Gradle project \'XXX\'
The project is using an unsupported version of the Android Gradle plug-in (0.8.3).
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Answer 1

I faced Same problem Migrating into gradle version 1.0.0.. This solution helps me and save the date..

Update Plugin and Gradle Version Numbers

The Android Gradle plugin version is typically listed in the top level build.gradle file in the project, and can be updated as follows:

Let me consider i have version 0.8.. show my build.gradle(project root folder/build.gradle) shows

dependencies { classpath 'com.android.tools.build:gradle:0.8.+' }

remove the old version(0.8) and add new version 1.0.0 like this

dependencies { classpath 'com.android.tools.build:gradle:1.0.0' }

And also change the gradle/wrapper/gradle-wrapper.properties:

remove the old distributionUrl and add new url

distributionUrl=http://services.gradle.org/distributions/gradle-2.2.1-all.zip

and change the runProguard in project root/app/build.gradle

BEFORE:

buildTypes { release { runProguard true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } }

AFTER:

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

For more information : Migrating gradle Project(click here)