AndroidStudio强制横屏,旋转后闪退

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.samsungfirstaddmaptest">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.AppCompat.NoActionBar"

>
        <activity android:name=".MainActivity"
            android:configChanges="keyboard|keyboardHidden|orientation|screenSize">
<!--            android:screenOrientation="portrait"-->
<!--            android:configChanges="orientation|keyboardHidden|screenSize"-->
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    
</manifest>
       添加     android:configChanges="keyboard|keyboardHidden|orientation|screenSize">后在MainActivity中重写
onConfigurationChanged方法
    public void onConfigurationChanged(Configuration newConfig) {
        // TODO Auto-generated method stub
        super.onConfigurationChanged(newConfig);
        if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
            Toast.makeText(this, "landscape", Toast.LENGTH_SHORT).show();
        } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
            Toast.makeText(this, "portrait", Toast.LENGTH_SHORT).show();
        }
    }

 



AndroidStudio强制横屏,旋转后闪退

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