Actually there is no problem. Project compiles and runs. But I can't understand what is mean strikeout class name (Android Studio tells that there is deprecated code is used). Can anybody explain?
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android
android-studio
android-actionbar
deprecated
According to this video of Android Developers you should only make two changes
android developers documentation says : "Updated the AppCompatActivity as the base class for activities that use the support library action bar features. This class replaces the deprecated ActionBarActivity."
checkout changes for Android Support Library, revision 22.1.0 (April 2015)
Source: Stackoverflow.com