AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="ru.innim.flutter_login_facebook_example">
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:name="${applicationName}"
        android:label="flutter_login_facebook_example"
        android:icon="@mipmap/ic_launcher">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:launchMode="singleTop"
            android:theme="@style/LaunchTheme"
            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
            android:hardwareAccelerated="true"
            android:windowSoftInputMode="adjustResize">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>

        <!-- Facebook SDK // START-->

        <meta-data android:name="com.facebook.sdk.ApplicationId"
            android:value="@string/facebook_app_id"/>
        
        <meta-data android:name="com.facebook.sdk.ClientToken"
            android:value="@string/facebook_client_token"/>

        <!-- Facebook SDK // END-->
        
        <!-- Don't delete the meta-data below.
             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
        <meta-data
            android:name="flutterEmbedding"
            android:value="2" />
    </application>
</manifest>