Flutter アプリ名変更
MaterialAppの変更
code:main.dart
MaterialApp(
title: 'アプリ名',
...
);
ios/Runner/info.plistのCFBundleNameを変更
code:info.plist
<key>CFBundleName</key>
<string>アプリ名</string>
android/app/src/main/AndroidManifest.xmlのandroid:labelを変更
code:AndroidManifest.xml
<application
android:name="flutter.app"
android:label="アプリ名"
android:icon="アイコン">