build.gradle

I am following this link to integrate Google sign-in in my android app. https://developers.google.com/identity/sign-in/android/start-integrating As given in last step on the above given page we have to include dependency compile 'com.google.android.gms:play-services-auth:8.3.0' in app-level build.gradle file but doing so and building project an error comes saying Error:Execution failed for task ':app:processDebugGoogleServices'. > Please fix the version conflict. build.gradle(Module:app) apply plugin: 'com.android.application' apply plugin: 'com.google.gms.google-services' android {

Since I have upgraded my Nexus 5x to Android O DP3 I am not able to test my applications. I get the error for not having configured my Gradle-file to work with the new API-level (26). So I changed this and the dependencies, but I keep getting errors on ALL my support libraries like Failed to resolve: com.android.support:design:26.0.0-beta2 Clicking on Install repository and sync project Pops up a progressdialog for downloading the right dependency but does not remove the error. Cleaning up project, installing repositories and then rebuilding the project won't work either. appcompat-v7 On

I am trying to upgrade my google play services dependencies to 8.4.0 by following the example Google gives here , but I am getting the following error ('com.example.exampleapp' is a replacement for my app package name): Error:Execution failed for task ':app:processDebugGoogleServices'. > No matching client found for package name 'com.example.exampleapp' Project build.gradle: buildscript { repositories { jcenter() } dependencies { classpath 'com.android.tools.build:gradle:2.0.0-alpha3' classpath 'com.google.gms:google-services:2.0.0-alpha3' // NOTE: Do not place your application dependencies