Android给TextView和EditText等控件设置透明背景、圆角边框

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#80858175" />
    <stroke android:width="1dip" android:color="#aea594" />
      <corners android:topLeftRadius="2dp"

        android:topRightRadius="2dp"

        android:bottomRightRadius="2dp"

        android:bottomLeftRadius="2dp"/>
</shape>

<TextView 
    android:id="@+id/tv"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"
    android:background="@drawable/text_view_border" />

tv.setBackgroundResource(R.drawable.text_view_border);