现在的用户对APP的外观看得很重要，如果APP内所有元件都用Android默认样式写，估计下面评论里就有一堆在骂UI丑的。今天学习自定义Button按钮样式。Button样式修改的是Button的背景(Background)属性。
首先写一个定义Button样式的XML文件：
新建Android XML文件，类型选Drawable,根结点选selector,文件名就buton_style吧。
程序自动给我们刚刚建的文件里加了selector结点，我们只需要在selector结点里写上三种状态时显示的背景图片（按下、获取焦点，正常）。
代码如下：
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><?xml</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">version</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"1.0"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">encoding</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"utf-8"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>?></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><selector</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">xmlns:android</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"http://schemas.android.com/apk/res/android"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:state_pressed</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"true"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:drawable</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"@drawable/play_press"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:state_focused</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"true"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:drawable</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"@drawable/play_press"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:drawable</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"@drawable/play"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></selector<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
我这里获取焦点跟点击时显示的是同一张图片，必须严格照上面的顺序写，不可倒。
接下来只要在布局时写Button控件时应用到Button的Background属性即可。
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><Button</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:id</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"@+id/button1"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:layout_width</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"wrap_content"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:layout_height</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"wrap_content"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:background</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"@drawable/button_style"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>></strong></span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></Button<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
最终效果图：
点击时会变。
源代码下载：
Button_style (1529)
再加上一种自定义样式方法，上面的是用图片，其实我们可以直接通过定义xml文件来实现不同的样式:
在上面的源代码基础上，只需要修改button_style文件,同样三种状态分开定义：
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><?xml</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">version</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"1.0"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">encoding</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"utf-8"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>?></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><selector</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">xmlns:android</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"http://schemas.android.com/apk/res/android"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:state_pressed</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"true"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><gradient</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:startColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#0d76e1"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:endColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#0d76e1"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:angle</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"270"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><stroke</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:width</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"1dip"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:color</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#f403c9"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><corners</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:radius</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"2dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><padding</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:left</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:top</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:right</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:bottom</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></item<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:state_focused</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"true"</span><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><gradient</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:startColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#ffc2b7"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:endColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#ffc2b7"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:angle</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"270"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><stroke</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:width</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"1dip"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:color</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#f403c9"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><corners</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:radius</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"2dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><padding</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:left</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:top</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:right</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:bottom</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></item<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><item<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><gradient</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:startColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#000000"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:endColor</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#ffffff"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:angle</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"180"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><stroke</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:width</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"1dip"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:color</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"#f403c9"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><corners</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:radius</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"5dip"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong><padding</strong></span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:left</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:top</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:right</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,102)">android:bottom</span>=<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(255,0,0)">"10dp"</span> <span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong>/></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></shape<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></item<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,153,0)"><span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline; color:rgb(0,0,0)"><strong></selector<span style="border:0px; font-family:inherit; font-style:inherit; margin:0px; outline:0px; padding:0px; vertical-align:baseline">></span></strong></span></span>
gradient 主体渐变 startColor开始颜色，endColor结束颜色 ，angle开始渐变的角度（值只能为90的倍数，0时为左到右渐变，90时为下到上渐变，依次逆时针类推）
stroke 边框 width 边框宽度，color 边框颜色
corners 圆角 radius 半径，0为直角
padding text值的相对位置
