Cannot find symbol class createFragment

[crystalDf]

Please check the following answer in this chapter.

RecyclerView creates dependencies problem

After adding the specified dependency, Android Studio spits out an error detailing how using different versions of support libraries may crash your program. I was able to fix the problem by changing in my build.gradle file: compile 'com.android.support:recyclerview-v7:26.0.0-alpha1’ to compile ‘com.android.support:recyclerview-v7:25.3.1’