Fragmented - Android Developer Podcast

115: Architecture Components with Akshay Chordiya


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In this episode, we talk about the different parts of Android architecture components. We've had episodes on Room and the paging library, so in this one, we thought we'll touch a little on Lifecycle Owners & Observers, ViewModels, and LiveData. Akshay Chordiya helps break it down. Listen on!

Show Notes
  • Android Architecture Components
  • Lifecycle
    • Handling lifecycles with Lifecycle-Aware Components
    • Lifecycle Owner
    • Lifecycle Observer
    • Best practices for lifecycle-aware components
    • Caveat: handling onStop events
    • ViewModels
      • Architecture Guide: ViewModels
      • View Model
      • Code snippet for a ViewModelFactory:

        class UserVMFactory(
        val user: MyUser
        ) : ViewModelProvider.Factory {
        override fun create(modelClass: Class): T {
        return when {
        modelClass.isAssignableFrom(UserVM::class.java) ->
        UserVM(user) as T
        else -> throw IllegalArgumentException("Unknown ViewModel class")
        }
        }
        }
        LiveData
        • Live Data
        • MediatorLiveData
        • Misc
          • Android Architecture Components Deep Dive Course on Caster.IO
          • Fragmented - Room episode with Florina
          • Fragmented - AAC Paging library with Florina
          • Sponsors
            • Microsoft AppCenter - Sign up now on appcenter.ms and spend less time managing your app lifecycle and more time coding.
            • Contact
              • @Akshay_Chordiya [twitter.com]
              • @fragmentedcast [twitter.com]
              • @donnfelker and 📷 donnfelker
              • @kaushikgopal and 📷 kaushikgopal
              • ...more
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                Fragmented - Android Developer PodcastBy Donn Felker, Kaushik Gopal

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