StartActivityForResult Deprecated Solution using Java ... 下面来详细解读一下 这两个方法: @NonNull @Override public final <I, O> ActivityResultLauncher<I> registerForActivityResult( @NonNull ActivityResultContract<I, O> contract . registerForActivityResult方法,在之前较早的版本总是叫做prepareCall的. This API allows you to ditch the old startActivityForResult () approach, and handle external activity intents (along with their results) in a more straightforward way. [Android] 안드로이드 registerForActivityResult()란?(startActivityForResult ... ActivityResultContract the new way. If this method returns false, then Bluetooth is disabled. CaptureVideo - contract to take a video saving it into the provided content-Uri. Deep Dive into Activity Results API — No More onActivityResult() registerForActivityResult ()方法的使用还没做限制，新版本的ActivityResultLauncher必需在activity的onCreate ()方法或fragment的onCreate ()、onAttach ()里先注册，然后在需要调用的地方调用launch方法，以裁剪图片为例，在activity方法里需要这样写：. registerForActivityResult / app / src / main / java / com / spario / registerforactivityresult / MainActivity.java / Jump to Code definitions MainActivity Class onActivityResult Method onCreate Method btn1 Method btn2 Method onActivityResult Method btn3 Method onActivityResult Method btn4 Method See the below example for a better understanding of How to manage startActivityForResult on Android? I mean the type of input and O means the type of output. . How to handle the result of StartActivityForResult in Forms StartActivityForResult Deprecated Solution - Android Studio ... The android startActivityForResult method, requires a result from the second activity (activity to be invoked). Using ActivityResultLauncher - OneJumpedUp // You can do the assignment inside onAttach or onCreate, i.e, before the activity is displayed ActivityResultLauncher<Intent> someActivityResultLauncher = registerForActivityResult ( new ActivityResultContracts.StartActivityForResult (), new ActivityResultCallback<ActivityResult> () { @Override public void onActivityResult . While registerForActivityResult () registers your callback, it does not launch the other activity and kick off the request for a result.
