anroid的Button的边框圆角效果

 

 <Button            android:id="@+id/start_edit_btn"            android:layout_width="match_parent"            android:layout_height="48dp"            android:layout_marginLeft="10dp"            android:layout_weight="1"            android:background="@drawable/sdk_sample_rect_btn_disable"            android:textColor="#444444"            android:gravity="center"            android:onClick="startEdit"            android:text="@string/pg_sdk_edit_sample_edit">        </Button>

 sdk_sample_rect_btn_disable

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"    android:shape="rectangle">    <stroke android:width="2dp"        android:color="#ffffff"/>    <corners android:radius="20dp"/></shape>

 

shape的形状，默认为矩形，可以设置为矩形（rectangle）、椭圆形(oval)、线性形状(line)、环形(ring)