FossifyGallery/app/src/main/AndroidManifest.xml

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

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.SET_WALLPAPER"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/launcher"
        android:label="@string/app_launcher_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".activities.MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>

            <intent-filter>
                <action android:name="android.intent.action.PICK"/>
                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="image/*"/>
                <data android:mimeType="video/*"/>
                <data android:mimeType="vnd.android.cursor.dir/image"/>
                <data android:mimeType="vnd.android.cursor.dir/video"/>
            </intent-filter>

            <intent-filter>
                <action android:name="android.intent.action.GET_CONTENT"/>

                <category android:name="android.intent.category.OPENABLE"/>
                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="image/*"/>
                <data android:mimeType="video/*"/>
                <data android:mimeType="vnd.android.cursor.dir/image"/>
                <data android:mimeType="vnd.android.cursor.dir/video"/>
            </intent-filter>

            <intent-filter>
                <action android:name="android.intent.action.SET_WALLPAPER"/>
                <category android:name="android.intent.category.DEFAULT"/>
            </intent-filter>
        </activity>

        <activity
            android:name=".activities.MediaActivity"
            android:parentActivityName=".activities.MainActivity"/>

        <activity
            android:name=".activities.ViewPagerActivity"
            android:configChanges="orientation|keyboardHidden|screenSize"
            android:parentActivityName=".activities.MediaActivity"
            android:theme="@style/FullScreenTheme">

            <intent-filter>
                <action android:name="com.android.camera.action.REVIEW"/>

                <category android:name="android.intent.category.BROWSABLE"/>
                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="image/*"/>
                <data android:mimeType="video/*"/>
            </intent-filter>
        </activity>

        <activity
            android:name=".activities.AboutActivity"
            android:label="@string/about"
            android:parentActivityName=".activities.MainActivity"/>

        <activity
            android:name=".activities.LicenseActivity"
            android:label="@string/third_party_licences"
            android:parentActivityName=".activities.AboutActivity"/>

        <activity
            android:name=".activities.SettingsActivity"
            android:label="@string/settings"
            android:parentActivityName=".activities.MainActivity"/>

        <activity
            android:name=".activities.PhotoVideoActivity"/>

        <activity
            android:name=".activities.PhotoActivity"
            android:theme="@style/FullScreenTheme">
            <intent-filter>
                <action android:name="android.intent.action.VIEW"/>

                <category android:name="android.intent.category.BROWSABLE"/>
                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="image/*"/>
            </intent-filter>
        </activity>

        <activity
            android:name=".activities.VideoActivity"
            android:configChanges="orientation|keyboardHidden|screenSize"
            android:theme="@style/FullScreenTheme">
            <intent-filter>
                <action android:name="android.intent.action.VIEW"/>

                <category android:name="android.intent.category.BROWSABLE"/>
                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="video/*"/>
            </intent-filter>
        </activity>

        <activity
            android:name=".activities.EditActivity">
            <intent-filter>
                <action android:name="action_nextgen_edit"/>

                <category android:name="android.intent.category.DEFAULT"/>

                <data android:mimeType="image/*"/>
            </intent-filter>
        </activity>
    </application>
</manifest>