I recently decided to switch from Eclipse to Android Studio. I imported a project I was working on and am now getting this error when I try to run the project.

Gradle: Execution failed for task ':project:dexDebug'.
> Could not call IncrementalTask.taskAction() on task ':project:dexDebug'

I've been cruising this site for 2 days now and trying different suggestions to no avail. I did run gradlew compileDebug --stacktrace and this is what I got:

C:\Users\adam\AndroidStudioProjects\projectProject>gradlew compileDebug --stacktrace
Relying on packaging to define the extension of the main artifact has been deprecated and is scheduled to be removed in Gradle 2.0
:project:preBuild UP-TO-DATE                                                                        
:project:preDebugBuild UP-TO-DATE  
:project:preReleaseBuild UP-TO-DATE  
:project:prepareComAndroidSupportAppcompatV71800Library UP-TO-DATE  
:project:prepareComGoogleAndroidGmsPlayServices3225Library UP-TO-DATE  
:project:prepareDebugDependencies             
:project:compileDebugAidl UP-TO-DATE  
:project:compileDebugRenderscript UP-TO-DATE  
:project:generateDebugBuildConfig UP-TO-DATE  
:project:mergeDebugAssets UP-TO-DATE  
:project:mergeDebugResources UP-TO-DATE  
:project:processDebugManifest UP-TO-DATE  
:project:processDebugResources UP-TO-DATE  
:project:generateDebugSources UP-TO-DATE  
:project:compileDebug UP-TO-DATE  

BUILD SUCCESSFUL

Total time: 10.459 secs

However I am still getting that error when I try to actually run the project. Here is my build.gradle (i do have a 'libs' folder in my project with all the jars for a google maps/places app):

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 18
    buildToolsVersion "18.1.1"

    defaultConfig {
        minSdkVersion 8
        targetSdkVersion 18
    }
}

dependencies {
    compile fileTree(dir: 'libs')
    compile 'com.google.android.gms:play-services:3.2.25'
    compile 'com.android.support:support-v4:18.0.0'
    compile 'com.android.support:appcompat-v7:+'
}

and my settings.gradle:

include ':project', ':project:libs:android-support-v4', ':project:libs:google-api-client-1.10.3-beta',
        ':project:libs:google-api-client-android2-1.10.3-beta', ':project:libs:google-http-client-1.10.3-beta',
        ':project:libs:google-http-client-android2-1.10.3-beta', ':project:libs:google-oauth-client-1.10.1-beta',
        ':project:libs:gson-2.1', ':project:libs:guava-11.0.1', ':project:libs:jackson-core-asl-1.9.4',
        ':project:libs:jsr305-1.3.9', ':project:libs:protobuf-java-2.2.0', ':project:libs:GoogleAdMobAdsSdk-6.4.1'

As I said, I've tried pretty much everything I have read on here about this error and am having no luck. Any help would be greatly appreciated.