changing Spinner Background add wierd dark border on popup on api 24 but works fine on latest android versions

Question

here is my code

<Spinner
android:id="@+id/spinnerstudent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:backgroundTint="@color/white"
android:textColor="@color/white"
android:popupBackground="@android:color/white" />

Spinner Item Code '''

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@android:id/text1"
        style="?android:attr/spinnerItemStyle"
        android:singleLine="true"
        android:textColor="@color/black"
        android:textSize="20sp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ellipsize="marquee"
        android:padding="8dp"
        android:textAlignment="inherit" />

'''

this adds dark border on popup, do someone Know how to remove that border on api 24 (works fine on latest API versions)

question from:https://stackoverflow.com/questions/65882497/changing-spinner-background-add-wierd-dark-border-on-popup-on-api-24-but-works-f

Answer 1

Waitting for answers