showAsAction 錯誤排除
使用Android Studio照著學習範例打時，showAsAction產生錯誤如下
Should use app:showAsAction with the appcompat library with xmlns:app="http://schemas.android.com/apk/res-auto"
when using the appcompat library, meun resources should refer to the showAsAction in the app:namespace, not the android: namespace.
similarly, when not using the appcompat library, you should be using the android:showAsAction attribute
解決
將該行android改成app即可
Should use app:showAsAction with the appcompat library with xmlns:app="http://schemas.android.com/apk/res-auto"
when using the appcompat library, meun resources should refer to the showAsAction in the app:namespace, not the android: namespace.
similarly, when not using the appcompat library, you should be using the android:showAsAction attribute
解決
將該行android改成app即可
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