AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.dayu.baselibrary">

    <application
        android:allowBackup="true"
        android:label="@string/app_name"
        android:supportsRtl="true">
        <service android:name="com.dayu.base.api.DownloadService" />


        <activity android:name="com.dayu.base.ui.activity.PreviewActivty" />
        <activity
            android:name="com.dayu.base.ui.activity.ImgGalleryActivty"
            android:screenOrientation="portrait" />
        <activity
            android:name="com.dayu.base.ui.activity.DocWebviewActivity"
            android:screenOrientation="portrait" />
        <activity
            android:name="com.dayu.base.ui.activity.VideoPreviewActivty"
            android:screenOrientation="portrait"
            android:configChanges="orientation|screenSize|keyboardHidden"
            />
        <activity android:name="com.dayu.base.ui.activity.CameraActivity" />

    </application>
</manifest>