使用RecyclerView實做清單，在現在的原生Android app開發上已經成為一個必須。相較於ListView元件，RecyclerView提供了較高的效能以及動畫的支援。但是相較於ListView，RecyclerView沒有單純的setEmptyView()，我們必須將空清單提示的狀態實做在我們的Adapter內。不過等等，無項目提示其實實物上是很常見的功能。我們一定得每次都寫一次這個功能嗎？我們這裡使用Decorator模式來簡化這段實做 先看看結果吧 首先，我們有了一個清單實做 R…
Continue Reading →In our day to day Android app development work. In most scenarios we have to provide action selection dialog for various Intent. Here is a alternative to custom a dialog, use a chooser Intent to create System provided selection dialog with custom selectio…
Continue Reading →It is always a pain running automatic Android UI testing on CI Servers. Especially when we don`t have much resources for CI server to run a emulator. Here is our way to make it work. We have: A TeamCity Server at Remote Build Agent for building project a…
Continue Reading →Orientation is a common event which can be trigger easily by user. Handling orientation to keep the views states which increase user experiences, Users don`t need to do the same thing all the time after orientation. Here is a sample which handling orienta…
Continue Reading →ViewPager is a common component in Android applications. Here is an sample written in Kotlin. Sample feature: Pages has color background. User is able to trigger moving page to second page of right. Layout XML We need two elements in the main …
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