Android CardView/FloatingActionButton transparent color not show properly-CodePudding

I am new in android studio.
I create a application in side I'm use 20% transparent color like #C8FF8066 normal color is #FF8066

In card view and floating button show in side diamond shadow?

normal color work properly but 20% transparent color not work

<com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@ id/createBtnFloating"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentEnd="true"
    android:layout_alignParentBottom="true"
    android:backgroundTint="@color/AppColor"
    android:src="@drawable/plus"
    android:layout_marginBottom="20dp"
    android:layout_marginEnd="20dp"
    android:transitionName="CreateNewNote"
    app:borderWidth="0dp"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:tint="@color/colorWhite"
    tools:ignore="ContentDescription" />

CodePudding user response：

You can try to add this attribute:

app:elevation="0dp"