Android Styling: Setting border to 0sp does not remove border radius of Material Button

Question

I am trying to style a button such that it does not have a border radius. I have tried setting the radius property to 0sp, but that has not worked. Below is my code and a screenshot of the resulting button, which still has rounded corners.

<com.google.android.material.button.MaterialButton
        android:id="@+id/material_text_button"
        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
        android:textAppearance="@style/Widget.MaterialComponents.Button.OutlinedButton"
        android:layout_marginTop="11sp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:radius="0sp"
        android:text="#1 Lorem Ipsum"
        android:textSize="16sp"/>

Answer 1

For the corner radius use the app:cornerRadius attribute:

<com.google.android.material.button.MaterialButton
    app:cornerRadius="0dp"
    ../>

Outlined/Filled result:

About your layout, use dp instead of sp in these dimensions:

    android:layout_marginTop="11sp" //dp
    android:radius="0sp"  //dp and app:cornerRadius

and this style @style/Widget.MaterialComponents.Button.OutlinedButton shouldn't be used in android:textAppearance.