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You need to use a Theme.AppCompat theme (or descendant) with the design library.
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You need to use a Theme.AppCompat theme (or descendant) with the design library.
via google.com by Unknown author, 1 year ago
java.lang.IllegalArgumentException: You need to use a Theme.AppCompat theme (or descendant) with the design library. 	at android.support.design.widget.ThemeUtils.checkAppCompatTheme(ThemeUtils.java:36)	at android.support.design.widget.CoordinatorLayout.(CoordinatorLayout.java:185)	at android.support.design.widget.CoordinatorLayout.(CoordinatorLayout.java:179)	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)	at android.view.LayoutInflater.inflate(LayoutInflater.java:495)