Android中有用的组件被选中和按下去的变换样式

记录一下，以备日后查阅

把下面的内容保存为xml文件，并放入到drawable文件夹中：

dockbar_selector.xml

<?xml version="1.0" encoding="UTF-8"?>  <selector    xmlns:android="http://schemas.android.com/apk/res/android">      <item android:state_pressed="true" android:drawable="@drawable/selector_pressed_shape" />      <item android:state_focused="true" android:state_window_focused="true" android:drawable="@drawable/selector_focused_shape" />      <item android:state_focused="true" android:state_window_focused="false" android:drawable="@android:color/transparent" />  </selector>

selector_focused_shape.xml

<?xml version="1.0" encoding="UTF-8"?>  <shape    xmlns:android="http://schemas.android.com/apk/res/android">      <solid android:color="#ffff9000" />      <stroke android:width="0.0dip" android:color="#00000000" />      <padding android:left="0.0dip" android:top="0.0dip" android:right="0.0dip" android:bottom="0.0dip" />      <corners android:topLeftRadius="6.0dip" android:topRightRadius="6.0dip" android:bottomLeftRadius="6.0dip" android:bottomRightRadius="6.0dip" />  </shape>

selector_pressed_shape.xml

<?xmlversion="1.0"encoding="UTF-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android">
<solidandroid:color="#ffffba00"/>
<strokeandroid:width="0.0dip"android:color="#00000000"/>
<paddingandroid:left="0.0dip"android:top="0.0dip"android:right="0.0dip"android:bottom="0.0dip"/>
<cornersandroid:topLeftRadius="6.0dip"android:topRightRadius="6.0dip"android:bottomLeftRadius="6.0dip"android:bottomRightRadius="6.0dip"/>
</shape>

然后调用的时候，只需在layout的xml文件里面加上背景属性即可：

android:background="@drawable/dockbar_selector"

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