Annecy.France 第一課 너무 太多、非常 너무 커요. 太大 너무 어려워요. 太難 너무 맛있어요. 非常好吃 너무 잘했어요. 幹得好 너무 在古早之前，只能用在否定句；但在現代，正反都可以使用了。 ...

Flutter 整合 Google Sheets 建立單字本 App Seoul. Korea 用 Flutter 開發 App 很快速，但遇到需要有後台的應用時，一般的考量都會是採用 Firebase。Firebase 的整合不會太困難，但是前置作業有點多，對於一個只是需要從雲端某處讀取資料，而又希望這份資料可以很方便地透過網路來編輯的話，Flutter + Google Sheets 是個不錯的方案。 ...

한강 最近開始比較認真的學習韓文。想說應該要來把一些資料記錄下來，方便之後複習用。Talk to Me in Korean 是一份很不錯的教材，每篇教學大約都 20 分鐘左右。平常上班通勤時間大約 40 分鐘，所以把 podcast 播放速度設定為 1.2 倍的話，都可以聽個兩課。 12 月就這麼把 Level 2 給聽了一遍。為了避免 1 月時就全忘光，在這兒把每課的教學重點和例句記錄下來。 ...

I used to using this plugin for creating android library release zip file, and manually upload it to bintray website. blundell/release-android-library Recently, it says it’s no longer being maintained; and another gradle plugin is recommended. novoda/bintray-release Novoda’s bintray-release allows you to upload locally built javadoc/source jars, and library aar files to bintray directly, without manual work. What a relief if it really works. By following the instructions on GitHub, within minutes, the configuration is ready for trial. ...

對一個 Android app 開發者來說，工作中使用時間最長的軟體，我想應該就是 Android Studio 了吧。 工欲善其事，必先利其器。除了要花時間熟悉內建的各項功能外，有些時候，根據自己的開發習慣，會希望它再額外多些功能，讓自己的開發流程更加順手。 ...

In Flutter, it’s easy to load an Image widget. Flutter provides several different ways: You can use ***Image.network(), Image.asset() or Image.memory()***depending on the source you want to load the image. However, Flutter is known to be slow at processing image, including decoding image when the source file is relatively large. View gist The above code snippet is an example of loading an Image from the internet. At line 8: download the data from the internet; ...

Flickr Authentication in Flutter (II) Following the steps described in last article, you can have a working version of Flickr authentication module in Flutter. However, it’s very tedious to remember the pin code, and input it in the dialog in step 2. By reading closely the “Getting a request token” part in Flickr website, you’ll find that, in fact, there’s another way to get the verifier we need without user intervention. A parameter called “oauth_callback” is used to specify a url. If it’s defined in the request; after authorization is complete, Flickr will redirect the user back to your application using the oauth_callback specified with your Request Token. It looks like this: ...

上高地。日本 Clean Architecture: A Craftsman’s Guide to Software Structure and Design, First Edition Part I writing working codes is easy; to write codes that are easy to maintain and extend is really hard. Ch1 What is Design & Architecture In this book, design and architecture means the same thing: it’s simply a continuum of decisions from the highest to the lowest levels. ...

Flickr used to be a cool photo service that gathered many talented photographers. I started uploading all my photos to it since 2005, and now I’ve uploaded more than 160k photos. With so many memories in Flickr, I would like to have an app to randomly show me my own photos in order to refresh good old memories. There are many Flickr API Kits in different programming languages in Flickr official website; however, Dart is not one of them. I either need to implement the API wrapper by referencing its Web API document or find another solution on the internet. ...

原以為 Flutter 寫起來很開心，有任何耗時比較長的工作，就塞到一個 Future someFunction(…) async {…} 中就好，不需要像 Android 裡還需要用到 rxJava 或是自己建 thread 來處理。但後來發現其實沒有那麼單純。就像下面這篇文章開頭講的一樣：剛接觸 Flutter 的人通常不會管到 asynchronous 的問題，直到 UI 開始變得很卡的時候。 ...