Android listener return event/onBackPressed invalid

onBackPressed is invalid in the higher version api

 The alternative is to add a listener in onCreate

        onBackPressedDispatcher.addCallback(object : OnBackPressedCallback(true) {
            override fun handleOnBackPressed() {
                viewModel.reviewSetEnd()
                finish()
            }
        })

In this way, the return event can be monitored.

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Origin blog.csdn.net/mp624183768/article/details/130363290