android控件布局 ToggleButton按钮 和文字

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　　ToggleButton控件具有checked属性对于要切换状况的功能按钮来说十分好用

　　这里以phone的开启DTMFTwelveKeyDialer的按钮为例 显现其结果和布局

　　activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingLeft="＠dimen/activity_horizontal_margin" android:paddingTop="＠dimen/activity_vertical_margin" tools:context=".MainActivity" > <ToggleButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="＠drawable/button_incall" android:drawableTop="＠drawable/icon_keyboard_bg" android:textOn="键盘" android:textOff="键盘" android:textSize="32dip" android:textColor="＃FFFFFF" /> </LinearLayout>

　　此中drawableTop引用了icon_keyboard_bg.xml

　　icon_keyboard_bg.xml

<？xml version="1.0" encoding="utf-8"？> <or xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="＠drawable/icon_keyboard_up_pressed" /> <item android:state_checked="true" android:drawable="＠drawable/icon_keyboard_up" /> <item android:state_checked="false" android:drawable="＠drawable/icon_keyboard_down" /> <item android:drawable="＠drawable/icon_keyboard_down" /> </or>