Summary:
**Resolve/Reject Promise**
* Add onFulfill and onReject to the `PushNotificationIOS.requestPermissions()` Promise
**Replace Apple-deprecated notification method**
* Old: In iOS 10, `UIApplication.registerUserNotificationSettings` was deprecated. Calling this would then call the AppDelegate's lifecycle function `didRegisterUserNotificationSettings`, and then in the AppDelegate, we'd call `RCTPushNotificationManager.didRegisterUserNotificationSettings` to return the user settings.
[registerusernotificationsettings Doc](https://developer.apple.com/documentation/uikit/uiapplication/1622932-registerusernotificationsettings?language=objc)
* New: Replace deprecated function with Apple's recommended `UNUserNotificationCenter.currentNotificationCenter getNotificationSettingsWithCompletionHandler`, which no longer needs the AppDelegate lifecycle method because it directly returns the user's settings in a completion hander.
[requestauthorizationwithoptions Doc](https://developer.apple.com/documentation/usernotifications/unusernotificationcenter/1649527-requestauthorizationwithoptions?language=objc)
**Add Tests**
* Add tests on `PushNotificationIOSExample.js` to test that the onFulfill and onReject are called
* On `PushNotificationIOSExample.js`, instead of asking permission upon page load, ask for permission when the user taps the button "Request Notifications (Should Display Alert)".
* Before, asking for permission multiple times before would result in the RN error "cannot call requestPermissions twice before the first has returned", now you can ask for permission as many times as you want because I've removed the now unused `RCTPromiseResolveBlock`.
**Future**
If this works on device (we have to land this to test push on device), we can delete `RTCPushNotificationManager.didRegisterUserNotificationSettings` which is being called from several apps.
Changelog:
[iOS] [Added] Resolve and reject promise for PushNotificationIOS.requestPermissions
Reviewed By: PeteTheHeat
Differential Revision: D19700061
fbshipit-source-id: 02ba815787efc9047f33ffcdfafe962b134afe6d
Summary:
Re-landing the reverted change:
This removes all callsites that rely on runtime checks to detect the target deployment version. We no longer need to check for iOS 10+ in a few places. Note: for this to compile, the hosting app needs to target iOS 10.0+.
Changelog: [iOS] [Deprecated] - Deprecate iOS 9
Reviewed By: sammy-SC
Differential Revision: D19411136
fbshipit-source-id: ec0a957dc57819f0ee7d138c858209cabe3e5102
Summary:
This removes all callsites that rely on runtime checks to detect the target deployment version. We no longer need to check for iOS 10+ in a few places. Note: for this to compile, the hosting app needs to target iOS 10.0+.
Changelog: [iOS] [Deprecated] - Deprecate iOS 9
Reviewed By: hramos
Differential Revision: D19271321
fbshipit-source-id: 424ad7e2161261d148cb436cc20b4c531a4ba5b7
Summary:
In https://github.com/facebook/react-native/issues/25427, radex added initial support for running React Native projects on macOS via Catalyst. However, `RCTWebSocket` was disabled for that target because of some compilation issues. This meant that running projects via a connection to the packager wasn't possible: no live reload, and projects must be run in "Release" mode. It also meant making manual changes to Xcode projects deploying to macOS and scattering a number of conditional checks throughout the codebase.
In this change, I've implemented support for `RCTWebSocket` on the macOS target and re-enabled the affected features. Live reload and the inspector now work for macOS targets. Manual modifications of Xcode build settings are no longer necessary for react-native projects running on macOS.

### Limitations
There's no binding which displays the developer menu (since there's no shake event on macOS). We'll probably want to add one, perhaps to the menu bar.
I've chosen not to commit the modifications to RNTester which enable macOS support, since that would imply more "official" support for this target than I suspect you all would like to convey. I'm happy to add those chunks if it would be helpful.
## Changelog
[iOS] [Added] - Added web socket support for macOS (Catalyst), enabling debug builds and live reload
Pull Request resolved: https://github.com/facebook/react-native/pull/27469
Test Plan:
* Open RNTester/RNTester.xcodeproj with Xcode 11.2.1, run it like a normal iOS app -- make sure it compiles and runs correctly (no regression)
* Select "My Mac" as device target, and run. You may need to configure a valid development team to make signing work.
* RNTester should run fine with no additional configuration. Modify a file in RNTester, note that live reload is now working.
* Test the developer inspector. To display the developer menu, you'll need to manually show it; here's an example diff which does that:
```
diff --git a/RNTester/js/RNTesterApp.ios.js b/RNTester/js/RNTesterApp.ios.js
index 8245a68d12..a447ad3b1b 100644
--- a/RNTester/js/RNTesterApp.ios.js
+++ b/RNTester/js/RNTesterApp.ios.js
@@ -19,6 +19,8 @@ const React = require('react');
const SnapshotViewIOS = require('./examples/Snapshot/SnapshotViewIOS.ios');
const URIActionMap = require('./utils/URIActionMap');
+import NativeDevMenu from '../../Libraries/NativeModules/specs/NativeDevMenu';
+
const {
AppRegistry,
AsyncStorage,
@@ -143,6 +145,7 @@ class RNTesterApp extends React.Component<Props, RNTesterNavigationState> {
UNSAFE_componentWillMount() {
BackHandler.addEventListener('hardwareBackPress', this._handleBack);
+ NativeDevMenu.show();
}
componentDidMount() {
```
Reviewed By: sammy-SC
Differential Revision: D18945861
Pulled By: hramos
fbshipit-source-id: edcf02c5803742c89a845a3e5d72bc7dacae839f