rickzblue rickzblue - 1 year ago 147
Java Question

Android Error Class ref in pre-verified class resolved to unexpected implementation

I've encountered this problem on Android Espresso testing. But this works well when run/compile. I know this error has several threads but I have not been able to find a fix that matches my situation. I am currently dealing with a

"java.lang.IllegalAccessError: Class ref in pre-verified class
resolved to unexpected implementation".

I've already add

androidTestCompile('com.android.support.test.espresso:espresso-contrib:2.2') {
exclude group: 'com.android.support', module: 'support-v4'

But it's still not working. Can somebody help me with this problem. Thanks.

Here is my dependencies

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
/*Android Testing*/
androidTestCompile 'com.android.support.test:runner:0.3'
androidTestCompile 'com.android.support.test:rules:0.3'
androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2'
androidTestCompile 'com.android.support.test.espresso:espresso-idling-resource:2.2.1'
androidTestCompile 'com.android.support:support-annotations:23.0.1'
androidTestCompile('com.android.support.test.espresso:espresso-contrib:2.2') {
exclude group: 'com.android.support', module: 'support-v4'

compile 'com.google.android.gms:play-services:8.3.0'
compile 'com.android.support:support-v4:23.0.+'
compile 'com.android.support:appcompat-v7:23.0.1'
compile 'com.mcxiaoke.volley:library:1.0.18'
compile 'commons-codec:commons-codec:1.9'

/*Showcase view for Facebook Intregation*/
compile 'com.facebook.android:facebook-android-sdk:4.7.0'
/*Showcase view for SwipeRefresh*/
compile 'com.baoyz.pullrefreshlayout:library:1.2.0'
compile 'com.android.support:multidex:1.0.1'
compile('com.crashlytics.sdk.android:crashlytics:2.5.5@aar') {
transitive = true;

Answer Source

Finally after a long time, I find a solution for gradle 1.5. I move to Robotium and try this code. But I think this will work too with Espresso. Here it is,

androidTestCompile fileTree(dir: 'libs', include:'robotium-solo-5.3.0.jar')
androidTestCompile ('com.android.support:multidex-instrumentation:1.0.1') {
    exclude group: 'com.android.support', module: 'multidex' }

project.getConfigurations().all { config ->
    if (config.name.contains("AndroidTest")) {
        config.resolutionStrategy.eachDependency { DependencyResolveDetails details ->
            if (details.requested.name == "multidex") {
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