android custom user interface

make changes in your code as follows

    <ImageView
        android:layout_gravity="center"
        android:id="@+id/iv_avatar"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:contentDescription="@string/app_name"
        android:src="@mipmap/ic_launcher"
        android:scaleType="fitCenter"/>

    <LinearLayout
        android:gravity="center"
        android:id="@+id/ll_winner_label"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:layout_marginTop="-20dp"
            android:layout_marginStart="-20dp"
            android:id="@+id/tv_rank"
            android:text="1"
           android:layout_alignParentTop="true"
            android:rotation="120"
            android:background="#000"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>


        <TextView
            android:layout_below="@id/tv_rank"
            android:layout_marginTop="40dp"
         android:layout_marginStart="-30dp"
            android:layout_marginEnd="0dp"
            android:id="@+id/tv_earned_amount"
            android:text="5$"
            android:rotation="120"
            android:background="#000"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />


    </LinearLayout>


</FrameLayout>

result