Can't change position of elements in webview

问题

I developed a simple webview app which is working fine.

Now I have to add a back button.

I added it as a child of "FrameLayout". I can change the size, but I can't change the position of the button, it just sits at the top left... This seems to be the case for any element, I just tried it with ImageView and I have the same problems with it.

I also tried to use "RelativeLayout" instead of "FrameLayout" as adviced in this answer, but it makes no difference

Any help is appreciated.

回答1:

I recommend to use XML.

Add this to your XML:

<Button
        android:layout_height="wrap_content"
        android:id="@+id/button"
        android:text="Button" 
        android:layout_width="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
    >

Or replace <RelativeLayout> with <android.support.constraint.ConstraintLayout>.

Read here why it works.

来源：https://stackoverflow.com/questions/57108594/cant-change-position-of-elements-in-webview

标签

android