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androidgradlefloating-action-button

adding com.android.support:design causes failed to resolve R error

I am working on an android project where in activity_main layout i wish to add a floating action button.However as soon as i try to use it android studio ask to add com.android.support:support-v4:20.1.0.

However, if I add it into my project it causes R cannot be resolve error whereas I am unable to use floating action button if i don't add this library.

What should i do?

Solution

  • You need to add support design library in your gradle

    implementation 'com.android.support:design:20.1.0'

    or 

    compile'com.android.support:design:20.1.0'

    depending of your gradle version