android Manifest.xml选项-android:ConfigChanges
16lz
2021-12-04
Activity中ConfigChanges属性的用法
通过 设置这个属性可以使Activity捕捉设备状态变化,以下是可以被识别的内容:CONFIG_FONT_SCALE
CONFIG_MCC
CONFIG_MNC
CONFIG_LOCALE
CONFIG_TOUCHSCREEN
CONFIG_KEYBOARD
CONFIG_NAVIGATION
CONFIG_ORIENTATION
设置方法:将下列字段用“|”符号分隔开,例如:“ locale|navigation|orientation
”
Value | Description |
“mcc“ | The IMSI mobile country code (MCC) has changed — that is, a SIM hasbeen detected and updated the MCC.移动国家号码,由三位数字组成,每个国家都有自己独立的MCC,可以识别手机用户所属国家。 |
“mnc“ | The IMSI mobile network code (MNC) has changed — that is, a SIM hasbeen detected and updated the MNC.移动网号,在一个国家或者地区中,用于区分手机用户的服务商。 |
“locale“ | The locale has changed — for example, the user has selected a new language that text should be displayed in.用户所在地区发生变化。 |
“touchscreen“ | The touchscreen has changed. (This should never normally happen.) |
“keyboard“ | The keyboard type has changed — for example, the user has plugged in an external keyboard.键盘模式发生变化,例如:用户接入外部键盘输入。 |
“keyboardHidden“ | The keyboard accessibility has changed — for example, the user has slid the keyboard out to expose it.用户打开手机硬件键盘 |
“navigation“ | The navigation type has changed. (This should never normally happen.) |
“orientation“ | The screen orientation has changed — that is, the user has rotated the device.设备旋转,横向显示和竖向显示模式切换。 |
“fontScale“ | The font scaling factor has changed — that is, the user has selected a new global font size.全局字体大小缩放发生改变 |
?View Code XML
<manifestxmlns:android="http://schemas.android.com/apk/res/android" package="com.androidres.ConfigChangedTesting" android:versionCode="1" android:versionName="1.0.0"> <applicationandroid:icon="@drawable/icon"android:label="@string/app_name"> <activityandroid:name=".ConfigChangedTesting" android:label="@string/app_name" android:configChanges="keyboardHidden|orientation"> <intent-filter> <actionandroid:name="android.intent.action.MAIN"/> <categoryandroid:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application> </manifest> |
在Activity中添加了 android:configChanges属性,目的是当所指定属性(Configuration Changes)发生改变时,通知 程序调用 onConfigurationChanged()函数
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