lib/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.artifex.mupdf.viewer"
	>
	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
	<application>
		<activity
			android:name=".DocumentActivity"
			android:configChanges="orientation|screenSize|keyboardHidden"
			android:exported="true"
			>
			<intent-filter>
				<action android:name="android.intent.action.VIEW" />
				<category android:name="android.intent.category.BROWSABLE" />
				<category android:name="android.intent.category.DEFAULT" />
				<!-- list the mime-types we know about -->
				<data android:mimeType="application/pdf" />
				<data android:mimeType="application/vnd.ms-xpsdocument" />
				<data android:mimeType="application/oxps" />
				<data android:mimeType="application/vnd.comicbook+zip" />
				<data android:mimeType="application/x-cbz" />
				<data android:mimeType="application/epub+zip" />
				<data android:mimeType="application/x-fictionbook" />
				<!-- list application/octet-stream to catch the ones android doesn't recognize -->
				<data android:mimeType="application/octet-stream" />
			</intent-filter>
		</activity>
		<activity
			android:name=".OutlineActivity"
			android:configChanges="orientation|screenSize|keyboardHidden"
			>
		</activity>
	</application>
</manifest>