Android Button Set Border instance

An example of the following button label:

In this connection to the label <shape>, set the background style, borders, gradients, rounded corners, and so on, the use of various effects see the following code

The Drawable folder creates a new nimei.xml that reads as follows:

<?xml version= "1.0" encoding= "Utf-8"?> <shape xmlns:android=
"http://schemas.android.com/apk/res/" Android ">
    <gradient android:startcolor=" "#c0000000"  android:endcolor= "#c0000000" android:angle= "90" /><!--background color gradient angle for gradient angle-->
	<solid android:color= "#00ffffff"/><!--background fill color-->
	< Stroke android:width= "3DP" android:color= "#ff000000"/><!--strokes, border width, color--> <corners
	" 10DP "/><!--Corner arc radius-->
	<padding android:left=" 3DP "android:top=" 3DP "android:right=" 3DP "Android: Bottom= "3DP"/><!--left blank-->
</shape>

The button is then quoted as follows:

<button  
   android:id= "@+id/button"  
   android:layout_width= "Wrap_content"  
   Wrap_content "  
   android:text=" button "  
   android:background=" @drawable/nimei/>