SetAsWallpaper/app/src/main/AndroidManifest.xml

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

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

    <application
            android:allowBackup="false"
            android:usesCleartextTraffic="true"
            android:label="Set as wallpaper"
            android:icon="@mipmap/ic_launcher"
            android:roundIcon="@mipmap/ic_launcher_round"
            android:supportsRtl="true"
            android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen">
        <activity android:name=".SetWallpaperActivity" android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.SEND"/>
                <category android:name="android.intent.category.DEFAULT"/>
                <data android:mimeType="image/*"/>
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.SEND"/>
                <category android:name="android.intent.category.DEFAULT"/>
                <data android:mimeType="text/plain"/>
            </intent-filter>
        </activity>

        <provider android:authorities="net.crystalyx.setaswallpaper.provider"
                  android:name="androidx.core.content.FileProvider"
                  android:grantUriPermissions="true"
                  android:exported="false">
            <meta-data android:name="android.support.FILE_PROVIDER_PATHS"
                       android:resource="@xml/file_paths"/>
        </provider>
    </application>

</manifest>