mylisty的博客

1.布局 <?xml version="1.0" encoding="utf-8"?> <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.a

OnBackPressedCallback callback = new OnBackPressedCallback(true) { @Override public void handleOnBackPressed() { // 返回监听 做你想做的 } }; requireActivity().getOnBackPressedDispatcher().addCallback(this, callback); 回调会在与其关联的LifecycleOwner被销毁...