I updated Android Studio to have 2.2 version. Unfortunately, I got this error (R is in red color) I reinstall Android studio but no change.. R still in red color
I did not even write any code
syn gradle
Error:Failed to resolve: org.hamcrest:hamcrest-core:1.1
<a href="openFile:C:/Users/MainUser/Desktop/LastTry/app/build.gradle">Open File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
Error:Failed to resolve: javax.inject:javax.inject:1
<a href="openFile:C:/Users/MainUser/Desktop/LastTry/app/build.gradle">Open File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
Error:Failed to resolve: com.google.code.findbugs:jsr305:2.0.1
<a href="openFile:C:/Users/MainUser/Desktop/LastTry/app/build.gradle">Open File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
Error:Failed to resolve: com.squareup:javawriter:2.1.1
<a href="openFile:C:/Users/MainUser/Desktop/LastTry/app/build.gradle">Open File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>
please I need help