Android Result API- A new API that replaces Android startActivityForResult() and handles intent results as function callbacks

• Initialize the ActivityResultLauncher<> variable in onCreate()

	// Define an intention to apply for system permissions
    var resultLauncher = registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { it ->
    	OnActivityResult () = onActivityResult();
            Log.i(mTAG, "onViewCreated: ${it},")}Copy the code

The ActivityResultContracts class predefines a variety of system-level intent actions, such as taking photos, opening files, and obtaining permissions

• Open the predefined intent from the previous step.

	// Pass in the launch() function the parameters required for the intent defined in the previous step (here refers to the system permission name to apply for)btn.setOnClickListener { resultLauncher? .launch(arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.BLUETOOTH)) }Copy the code