Java 8 Android studio 2.3 CompileSdkVersion:25. If the question seems a little bit confusing please let me know so I can rewrite it if needed. The content of this article has been verified in the following environment. Note: FragmentActivity is a special activity provided in the Support Library to handle fragments on system versions older than API level 11. onCreateView () The system calls this callback when it's time for the fragment to draw its user interface for the first time. You should initialize essential components of the fragment that you want to retain when the fragment is paused or stopped, then resumed. I am new to using the Android Navigation Component so any help is appreciated. onCreate () The system calls this method when creating the fragment. My problem is I am not able to get access to information from previous Fragments. My current setup is as follows:įragment 1 -> Fragment 2 -> Fragment 3 if the previous id of Fragment 3 is >Fragment 2 then go back to it with arguments.īut I also will have a situation where this will happen:įragment 4 -> Fragment 3 here I want to be able to also check if the previous id/name of Fragment 3 is equal to Fragment 4 and if it is go back to that Fragment with arguments.īasically Fragment 3 will have different routes out of it and I want to be able to determine which previous fragment it will go to next. I am having problems finding out the name/id of my previous fragment. Normally when Android FragmentManager popBackStack () is called, it will pop to the authentication screen (AuthFragment) first. Let’s get started with the implementation of the above flow. The flow to send a String data from one Fragment to another is shown below. To pass data between fragments we need to create our own interfaces. Let’s take a look at what’s in Fragment backstack: Next, the user is done with this item and taps phone back button to navigate back. Android Passing Data between Fragments Intents are only usable for sending data on an Activity level. I am trying to find out what the previous fragment was in the backstack and if it is the one that I want, then go back to that otherwise go to a different fragment. Once the user successfully signs up, we display item detail screen (DetailFragment).
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