Android中的Selector , shape
android shape的用法总结
<?xml version="1.0" encoding="utf-8" ?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <!-- 默认时的背景图片 --> <item android:drawable="@drawable/pic1" /> <!-- 没有焦点时的背景图片 --> <item android:state_window_focused="false" android:drawable="@drawable/pic1" /> <!-- 非触摸模式下获得焦点并单击时的背景图片 --> <item android:state_focused="true" android:state_pressed="true" android:drawable= "@drawable/pic2" /> <!-- 触摸模式下单击时的背景图片 --> <item android:state_focused="false" android:state_pressed="true" android:drawable="@drawable/pic3" /> <!--选中时的图片背景 --> <item android:state_selected="true" android:drawable="@drawable/pic4" /> <!--获得焦点时的图片背景 --> <item android:state_focused="true" android:drawable="@drawable/pic5" /> </selector>
<?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" /><!--背景颜色渐变 --> <solid android:color="#00ffffff" /><!-- 背景的填充颜色 --> <stroke android:width="3dp" color="#ff000000" /><!-- 描边,width是边得宽度,color是颜色 --> <corners android:radius="10dp" /><!-- 边角圆弧的半径 --> <padding android:left="3dp" android:top="3dp" android:right="3dp" android:bottom="3dp" /><!-- 四周留出来的空白 --> </shape>