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軟體工程 Flutter Android_alarm_manager problem

Exception name: PluginRegistrantException Error message: PluginRegistrantCallback is not set. Did you forget to call AlarmService.setPluginRegistrant? See the README for instructions. Solution: Simply open the android project. Perform a Gradle sync. Next, do a “build -> clean project” and “build -> rebuild project”. Ref. link: https://stackoverflow.com/a/54972225/2704360

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軟體工程 Open an App crash because AppBundle change behavior in Android gradle 3.3.1

When an app is put at sdcard, open it then crash because AppBundle change behavior between Android gradle plugin version 3.2 and 3.3. Reference link: https://forum.unity.com/threads/app-bundle-and-external-storage.633082/ , https://issuetracker.google.com/issues/123070510 , https://issuetracker.google.com/issues/127691101 Got an exception: java.lang.unsatisfiedlinkError 我用 AppBundle 方式編譯我的 App,放在手機 internal storage 可以正常執行,但放在 sd card 則無法執行

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軟體工程 Pass arguments between Flutter app screens by Navigator.pushName()

Suppose your app, which built by flutter 1.2, has ItemListScreen and ItemDetailScreen, and this app uses named route to manage routing of app. Users can click one of item in ItemListScreen and then ItemDetailScreen will show detail information of the clicked item. You can find following example to decouple between screens by no need importing ItemDetailScreen class to ItemListScreen file. Solution: Use ModalRoute.of(context).settings.arguments in your routes.dart file to pass arguments

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About

Howard Lee, Frontend-engineer with Angular 7+, Typescript, ReactJS, VueJS. Flutter, Dart, PHP, Ruby, JavaScript, HTML, SASS, CSS, Postgres, MySQL, Web Developer. Have a certificate of AWS Solution Architect Associate with verify number: 8FYNL55LCEEQ10W5. You can verify at AWS Certificate site or Credly site Tech lead role Lead 4 colleagues to build products and infrastructure Coordinate schedule of delivering products Senior web frontend developer role Products Form-filling, form-sharing, file-management, repair-managemnt and project-management for construction industry at Suiqui IoT management and EC platform for Liquid Petroleum Gas(LPG) at Wave-In Comm.

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