<分区>
我有一个应用程序，我在其中使用横向和纵向模式。我在每次 Activity 中都使用了 android:configChanges="orientation|keyboardHidden"。因此，当我在设备 2.3 上运行它时，它完全可以正常工作并且 Activity 不会重新启动。但是，当我在 android 4.0 及更高版本中打开相同的应用程序时，只要更改方向， Activity 就会重新启动。 这是我的 xml 文件。
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.iconnect.collaborator"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<supports-screens android:largeScreens="true"
android:normalScreens="true" android:smallScreens="true"
android:anyDensity="true" />
<supports-screens android:smallScreens="true" />
<supports-screens android:normalScreens="true" />
<supports-screens android:largeScreens="true" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.FLASHLIGHT" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<application
android:icon="@drawable/cnlogomini"
android:label="CollaborateNow"
android:largeHeap="true"
android:allowBackup="true"
android:theme="@style/AppTheme" >
<activity android:name="jim.h.common.android.zxinglib.CaptureActivity"
android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:windowSoftInputMode="stateAlwaysHidden" />
<activity android:name=".Register"
android:configChanges="orientation|keyboardHidden" ></activity>
<activity android:name=".ppllogincopy"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Password"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Camerascan"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".TabGroup1Activity"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".newtab"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".SubmitData"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".peoplelist"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".GenerateQrcode"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".contact"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".peoplelistlogin"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Startnew"
android:configChanges="orientation|keyboardHidden"
></activity>
<activity android:name=".projectdetails"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Signup"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".RegisterScan"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".peoplelistscan"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Profile"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".List"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".Logout"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".scanRegister"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".scanList"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name="scanCamera"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name="com.iconnect.collaborator.Camera"
android:configChanges="orientation|keyboardHidden"></activity>
<activity android:name=".collaborations"
android:configChanges="orientation|keyboardHidden"></activity>
<activity
android:name="com.iconnect.collaborator.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>