<activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
        android:configChanges="orientation|keyboardHidden"
        android:screenOrientation="portrait"
        android:theme="@style/noPreview"
    </activity>

android:configChanges="orientation|keyboardHidden"
        android:screenOrientation="portrait"