Textview带边框倾斜

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<TextView
android:background="@drawable/border"
android:id="@+id/textText"
android:layout_centerInParent="true"
android:paddingBottom="2dp"
android:paddingTop="2dp"
android:paddingLeft="15dp"
android:paddingRight="15dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:rotation="-45"
android:text="1231" />
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">

<solid android:color="#fff"/>
<stroke
android:dashGap="3dp"
android:dashWidth="6dp"
android:width="1dp"
android:color="#ff0000" />
<!-- 虚线的高度 -->
<size android:height="0.5dp" />
</shape>