I am getting Error:(26) No resource identifier found for attribute \'srcCompat\' in package \'learnapp.android.example.com.learnapp\' when I try to run my app.I
Error:(26) No resource identifier found for attribute \'srcCompat\' in package \'learnapp.android.example.com.learnapp\'
It looks like you just created a new project. So what fixed it for me was updating my build support tools, then creating a new project from scratch.
To update: Android Studio->Preferences...->Appearance & Behavior->System Settings->Android SDK->Android SDK Build-Tools->Check the box to update