[solved] not found android.support .v7. internal.app.WindowDecorActionbar

Problem Description:

Rendering Problems 

       The following classes could not be found: –  android.support .v7. internal.app.WindowDecorActionBar (Fix Build Path, Create Class)

       Tip: Try to build the project.

Attached:

When you encounter problems in your study, you should follow the warning of your predecessors that “if you don’t know, check yourself first, but if you really can’t, then look for your predecessors”. The quickest way to check is to go online. This article will be one of your network experiences.

Tools / raw materials

Android Studio

Cause of the problem

    one

    For Android version upgrade, actionbar is not recommended and will be replaced by toolbar.

    END

Solution 1: parent=“ Base.Theme.AppCompat . Light.DarkActionBar ”

    one

    Find the project directory RES / values/ sttyles.xml , ready to modify the apptheme settings.

    two

    Property parent found=“ Theme.AppCompat.Light .DarkActionBar”

    three

    Change to parent=“ Base.Theme.AppCompat . Light.DarkActionBar “, that is, the prefix” base. “Is added to the original parent attribute value.

    four

    Save the changes and go back to the question prompt. Is it not available now?

    END

Solution 2: parent=“ Theme.AppCompat.Light .NoActionBar”

    one

    Also in styles.xml File, modify the value of the parent property to“ Theme.AppCompat.Light .NoActionBar”

    END

Solution 3: change to a lower version of the API

    one

    On the question prompt page, find the API selection button in the upper right corner to see the list of optional APIs. Choose a lower version, such as 4.2.2

    two

    After the API switch is successful, you can see that the problem is no longer displayed.

    However, this method is not recommended.

    END

matters needing attention

It is recommended to use toolbar instead of actionbar