Can you list the key components usually specified in AndroidManifest.xml?

The following key components are usually specified in AndroidManifest.xml:

• <application> — description of the application, its icon, theme, components.
• <activity> — screens of the application, their settings, and intents.
• <service> — background services.
• <receiver> — broadcast message receivers (BroadcastReceiver).
• <provider> — content providers for data exchange.
• <intent-filter> — intent filters for components.
• <uses-permission> — permissions required by the application.
• <uses-sdk> — minimum and target SDK versions.

Example:

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

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

    <application
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name">

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
</manifest>