论坛首页 移动开发技术论坛

LinearLayout按下(pressed)或获取焦点(focused)时背景设置不同颜色或图片

浏览 6101 次
精华帖 (0) :: 良好帖 (0) :: 新手帖 (0) :: 隐藏帖 (0)
作者 正文
   发表时间:2011-05-09   最后修改:2011-05-09
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/myview"
    android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:gravity="top"
    android:background="@drawable/myDrawable"
    android:clickable="true"



>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_focused="true" android:drawable="@color/black" /> <!-- focused -->
    <item android:state_focused="true" android:state_pressed="true" android:drawable="@color/black" /> <!-- focused and pressed-->
    <item android:state_pressed="true" android:drawable="@color/green" /> <!-- pressed -->
    <item android:drawable="@color/black" /> <!-- default -->
</selector>

 千万注意上面红色标注的地方,一定要加这个属性,不然不起作用,另外在color.xml中可以定义drawable和color等多种属性,害我老是报找不到@color匹配的项,原来一直都在写drawable,尼玛!!!!!

   发表时间:2011-06-28  
dengzh 写道
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/myview"
    android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:gravity="top"
    android:background="@drawable/myDrawable"
    android:clickable="true"



>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_focused="true" android:drawable="@color/black" /> <!-- focused -->
    <item android:state_focused="true" android:state_pressed="true" android:drawable="@color/black" /> <!-- focused and pressed-->
    <item android:state_pressed="true" android:drawable="@color/green" /> <!-- pressed -->
    <item android:drawable="@color/black" /> <!-- default -->
</selector>

 千万注意上面红色标注的地方,一定要加这个属性,不然不起作用,另外在color.xml中可以定义drawable和color等多种属性,害我老是报找不到@color匹配的项,原来一直都在写drawable,尼玛!!!!!

 

0 请登录后投票
论坛首页 移动开发技术版

跳转论坛:
Global site tag (gtag.js) - Google Analytics