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Registerforactivityresult viewmodel.
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Registerforactivityresult viewmodel. android. Aug 18, 2019 · So my suggestion is to put the contract and registerForActivityResult() on your Activity or Fragment onCreate and whatever you will be doing with the result in a function in your view model / domain class, which is basically what you are already doing. signInIntent, RC_LINK_GOOGLE) Where initGoogleSignInClient is called in the fragment's onCreateView, and showLinkWithGoogle is called when the user taps the button on the screen. demo import androi. Jan 8, 2025 · 9行目： registerForActivityResult は、アクティビティやフラグメントで他の画面を起動し、 その結果を受け取るための仕組みです。 ActivityResultContracts. ViewModel, being a wrapper around your repository or business model or orchestration layer, provides the reactive style data streaming and plays observable role. googleSignInClient. zh. Jun 22, 2022 · 文章浏览阅读8. You need to pass ActivityResultContract and ActivityResultCallback as parameters. The first defines the type of action/interaction needed (ActivityResultContracts) and the second is a callback function Mar 17, 2022 · In this tutorial, we will learn about the new RegisterForActivityResult in android that can be used to start another activity or application and receive a result back. Feb 22, 2024 · Learn how to effectively use Android's registerForActivityResult function to handle various Activity results in your Android applications. 4k次，点赞2次，收藏6次。本文介绍了新版本Android ViewModel的构造方法变化，包括无参和带`SavedStateHandle`的子类，以及如何避免使用`startActivityForResult`。重点讲解了如何使用Parcelable对象和`ActivityResultContract`实现Activity间复杂数据的传递。 Oct 20, 2024 · 前言 startActivityForResult() 被弃用，现在可以通过registerForActivityResult 进行Activity之间的传值和获取申请动态权限结果 Activity向上传值 MainActivity package com. Jul 22, 2021 · Activity Result API 是官方用于替代 startActivityForResult () 的工具，能用但不够好用。本来带着大家来封装优化用法，讲解封装思路和好处，使其能更加完美地替代 Jun 7, 2024 · 安卓的兼容性是出了名的低，原因就在于它经常喜欢出一个版本就换一个 API。终于，连 Activity 之间数据回传的方法 onActivityResult 也废弃了。安卓官方给出的解决方案是使用 registerForActivityResult 来代替 onActivityResult。 registerForActivityResult 的使用流程比原先的 onActivityResult 要复杂很多，但理解了之后 Feb 25, 2019 · 2 It would be a good design choice if the viewmodel knows nothing about the activities. Basically, viewmodel and activities play observable and observers roles. See full list on developer. Sep 23, 2021 · As you would have noticed, registerForActivityResult takes two parameters. Mar 17, 2021 · The next step is to register the contract in the activity or fragment by calling registerForActivityResult (). But Google left us with ActivityResultContract abstract class which is the only obstacle we have to jump. StartActivityForResult() は、 「別のアクティビティを起動して、結果を受け取る契約 (Contract)」を意味します。 Jul 12, 2021 · startActivityForResult(viewModel. com Mar 31, 2020 · ActivityResultContract<I, O> is an interface that performs how and who will get the request for result, and ActivityResultCallback is how the consumer will consume the result. mcvkbxmkfyuyzsasovnixftmbdlyibidaelhvnzawrnfwd