iboss-mini-android-bjmnls/res/drawable/send_bt_bg_pressed.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
  
    <stroke android:color="#797979"/>
    <solid android:color="#ffffff"/>
      <!-- android:radius 弧形的半径 -->
    <corners android:radius="4dip" />
    <padding android:left="10dp" android:right="10dp" android:top="2dp" android:bottom="2dp"/>

</shape>