Android导航网址深层链接返回上一个应用 [英] Android Navigation Url Deep Link Back to Previous App

问题描述

我的应用只有两个目的地，即 FirstFragment 和 SecondFragment .我为 SecondFragment 创建了一个网址深度链接，并且效果很好.

My app has just two destinations, FirstFragment and SecondFragment. I created an url Deep Link for the SecondFragment and it works fine.

我想要的是，当我从深度链接输入 SecondFragment 之后，我想在按后退"按钮时返回上一个应用程序.但是现在，它总是回到 FirstFragment .

What I want is, after I enter the SecondFragment from the Deep Link, I want to go back to the previous app when I press the Back button. But now it always go back to the FirstFragment.

我已在 launchMode 上将 MainActivity 设置为 singleTask ，并尝试了以下操作，但不起作用:

I have set my MainActivity to singleTask on launchMode and tried the following but doesn't work:

override fun onNewIntent(intent: Intent?) {
    super.onNewIntent(intent)

    intent!!.flags = Intent.FLAG_ACTIVITY_NEW_TASK

    navController.handleDeepLink(intent)

    Log.v("MainActivity", "onNewIntent() get called!")
}

推荐答案

DeepLink知道您的NavGraph.而且，如果您的SecondFragment是FirstFragment的后继者，则这是预期的行为.

The DeepLink knows about your NavGraph. And if your SecondFragment is a decendent of the FirstFragment, this is the intended behavior.

当您显示NavGraph以及如何创建DeepLink时，可能会建议其他选项.

When you show your NavGraph and how you create the DeepLink it might be possible to suggest a different option.

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