[Flutter]android:exported needs to be explicitly specified for <activity> への対応

エラー・警告

エラー内容

android:exported needs to be explicitly specified for <activity>. Apps targeting Android 12 and higher are required to specify an explicit value for `android:exported` when the corresponding component has an intent filter defined. flutter

修正内容

project_root\android\app\src\main\AndroidManifest.xml に android:exported=”true”を追加する

 <activity
        android:name="com.test.activity.SplashActivity"
        android:clearTaskOnLaunch="true"
        android:label="@string/app_name"
        android:launchMode="singleTop"
        android:noHistory="true"
        android:screenOrientation="portrait"
        android:theme="@style/AppTheme.NoActionBar"
        android:exported="true">