Activity 动态 强制 切换横竖屏 生命周期重载

动态切换横竖屏

public void changeScreenOrientation(View view) {/** 设置为横屏*/if(getRequestedOrientation()!=ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE){setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);}else {setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);}}

清单文件设置

 <activity            android:screenOrientation="landscape"            android:configChanges="keyboardHidden|orientation|screenSize"            android:name=".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>