ClassCastException: ApiVersionImpl cannot be cast to java.lang.Integer

android, build, gradle, java

Solution

There is bug report open to google. For Intellij 13.1.4 it is still failure.

Rolling back build tools version to 1.10.+ can help.

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.10.+'
    }
}

I realized that IDEA Intellij 14 EAP has no such problem and support Android L as well.

Problem

I have android + gradle project. The following exception appears when I try to start application: `'ClassCastException: com.android.build.gradle.internal.model.ApiVersionImpl cannot be cast to java.lang.Integer: com.android.build.gradle.internal.model.ApiVersionImpl cannot be cast to java.lang.Integer'` ``` buildscript { repositories { mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:0.12.1' classpath 'com.neenbedankt.gradle.plugins:android-apt:1.+' } } apply plugin: 'android' apply plugin: 'android-apt' repositories { mavenCentral() mavenLocal() } dependencies { compile files('libs/android-support-v4.jar') compile 'org.androidannotations:androidannotations-api:3.0.1' apt 'org.androidannotations:androidannotations:3.0.1' } android { compileSdkVersion 15 buildToolsVersion '19.1' defaultConfig { minSdkVersion 15 targetSdkVersion 15 } sourceSets { main { manifest.srcFile 'AndroidManifest.xml' java.srcDirs = ['src'] res.srcDirs = ['res'] assets.srcDirs = ['assets'] } } } ```

Original source

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