Android FragmentTransactionĪs said before a FragmentTransaction gives us methods to add, replace, or remove fragments in Android. A transaction is a way to add, replace, or remove fragments. See the google documentation for more help:Ī FragmentManager manages Fragments in Android, specifically it handles transactions between fragments. The Last statement commits the transaction and executes all commands. See for information the other question What is the meaning of addToBackStack with null parameter? Is an optional name for this back stack state, or null. Useful for the return button usage so the transaction can be rolled back. Its operation when later popped off the stack. Transaction will be remembered after it is committed, and will reverse ![]() Replaces the current fragment with the mFeedFragment on the layout with the id: R.id.fragment_container fragmentTransaction.addToBackStack(null) Īdd this transaction to the back stack. ![]() fragmentTransaction.replace(R.id.fragment_container, mFeedFragment) The FragmentTransaction object which will be used. Start a series of edit operations on the Fragments associated with Return the FragmentManager for interacting with fragments associatedįragmentManager which is used to create transactions for adding, removing or replacing fragments.
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