Android Studio: Accidentaly ignored “xmlns” attribute

Using Android Studio in the XML-Layout-editor,

When an error saying something about the xmlns not being found, I checked quickly for a fix with the help of the editor, and I chose one that said something about ignore.

Suddenly, this error,

    <RelativeLayout 
            xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            ....

    </RelativeLayout>

Where it says element RelativeLayout must be declared and this follows for all childrens aswell. The <RelativeLayout is the part that has the error. Also the childern, such as <LinearLayout has this error.

Where can I remove the ignore?

Answers


You can check if the file is in "layout" folder.

I also met the error element RelativeLayout must be declared. I realized that my file was located in "drawable" folder, instead of the "layout" folder. That's why the error showed up.


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