Manifest merger failed : android:exported needs to be explicitly specified for <activity> > Android Studio

• 목록

<activity android:name=".Main"
    android:exported="true" <- 이거 추가
    android:screenOrientation="portrait"
    tools:ignore="IntentFilterExportedReceiver">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
</activity>