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androidandroid-studioandroid-theme

Where to add the Appcompat theme in Android Studio preview window?

Here is my problem:I have two project.One the preview have the Appcompat theme,but the other project doesn't.How could I add the AppCompat theme to that "Select Theme" window?

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Solution

  • After I restart my PC and restart Android Studio,the problem solved.Maybe it's just some files AS did not loaded.