AndroidManifest.xml

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

    <original-package android:name="com.android.certinstaller" />

    <permission android:name="com.android.certinstaller.INSTALL_AS_USER"
                android:protectionLevel="signature" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.MANAGE_USERS" />
    <uses-permission android:name="android.permission.ACCESS_ALL_DOWNLOADS" />
    <uses-permission android:name="android.permission.HIDE_NON_SYSTEM_OVERLAY_WINDOWS" />

    <application android:label="@string/app_name"
                 android:allowBackup="false">
        <activity android:name=".CertInstallerMain"
                  android:theme="@style/Transparent"
                  android:configChanges="orientation|keyboardHidden|screenSize">
            <intent-filter>
                <action android:name="android.credentials.INSTALL" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <data android:mimeType="application/x-x509-ca-cert" />
                <data android:mimeType="application/x-x509-user-cert" />
                <data android:mimeType="application/x-x509-server-cert" />
                <data android:mimeType="application/x-pkcs12" />
                <data android:mimeType="application/x-pem-file" />
                <data android:mimeType="application/pkix-cert" />
                <data android:mimeType="application/x-wifi-config" />
            </intent-filter>
        </activity>

        <activity-alias android:name=".InstallCertAsUser"
                        android:targetActivity=".CertInstallerMain"
                        android:permission="com.android.certinstaller.INSTALL_AS_USER">
            <intent-filter>
                <action android:name="android.credentials.INSTALL_AS_USER" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity-alias>

        <activity android:name=".CertInstaller"
                  android:theme="@style/Transparent"
                  android:configChanges="orientation|keyboardHidden"
                  android:exported="false">
        </activity>
        <activity android:name=".WiFiInstaller"
                  android:theme="@style/Transparent"
                  android:configChanges="orientation|keyboardHidden"
                  android:exported="false">
        </activity>
        <activity android:name=".CredentialsInstallDialog"
                  android:theme="@style/Transparent"
                  android:configChanges="orientation|keyboardHidden"
                  android:exported="false">
        </activity>
    </application>
</manifest>