经过数小时的调试，似乎有些版本不能很好地相互配合，我已经设法修复了错误“不变违规：本机模块不能为空”并让 Android 和 iOS 推送通知正常工作??使用以下版本 aws amplify lib 和 @react-native-community/push-notification-ios：
"dependencies": {
"@aws-amplify/pushnotification": "^3.0.13",
"@aws-amplify/analytics": "^1.3.3",
"@react-native-community/netinfo": "^5.7.0",
"@react-native-community/push-notification-ios": "^1.0.2",
"amazon-cognito-identity-js": "^4.2.1",
"aws-amplify": "^3.0.13",
"aws-amplify-react-native": "^4.2.0",
"axios": "^0.19.2",
"cache": "^2.3.1",
"react": "16.9.0",
"react-native": "^0.62.2"
},
或
"dependencies": {
"@react-native-community/push-notification-ios": "^1.2.0",
"@react-native-community/netinfo": "^5.7.0",
"@aws-amplify/pushnotification": "^3.1.2",
"@aws-amplify/analytics": "^1.3.3",
"@aws-amplify/core": "^3.3.2",
"amazon-cognito-identity-js": "^4.2.1",
"aws-amplify-react-native": "^4.2.0",
"aws-amplify": "^3.0.16",
"axios": "^0.19.2",
"cache": "^2.3.1",
"react": "16.9.0",
"react-native": "^0.62.2"
},
AWS Amplify（iOS 推送通知模块）似乎已从 react-native 核心切换到 @react-native-community/push-notification-ios。因此，由于此迁移，这里有一些更改，如果您遇到此问题，可能需要交叉检查：
第 1 步：更新 Podfile
从您的 Podfile（您可以在 ios 文件夹中找到）中删除 'React-RCTPushNotification'。：
pod 'React-RCTPushNotification', :path => '../node_modules/react-native/Libraries/PushNotificationIOS'
第 2 步：链接 PushNotificationIOS 库
第 2.1 步：自动链接
将以下 RNCPushNotificationIOS 添加到您的 podfile（您可以在 ios 文件夹中找到）。
pod 'RNCPushNotificationIOS', :path => '../node_modules/@react-native-community/push-notification-ios/RNCPushNotificationIOS.podspec'
然后通过运行以下命令安装 pod 依赖项：cd ios && pod install
第 2.2 步：手动链接（如果自动链接对您不起作用，请考虑使用此选项）
将这个 PushNotificationIOS.xcodeproj 文件 (node_modules/@react-native-community/push-notification-ios/ios) 拖到 Xcode 上的项目中（通常在 Xcode 的 Libraries 组下）：
通过选择 Project Navigator -> Target -> Build Phrases -> Linked Binary with Libraries，将 libRNCPushNotificationIOS.a 添加到您的链接二进制文件中（确保 libRNCPushNotificationIOS.a 存在）
第 3 步：增强 AppDelegate
第 3.1 步：更新 AppDelegate.h
在文件顶部添加以下内容：
#import <UserNotifications/UNUserNotificationCenter.h>
然后，将“UNUserNotificationCenterDelegate”添加到协议中，如下所示：
@interface AppDelegate : UIResponder <UIApplicationDelegate, RCTBridgeDelegate, UNUserNotificationCenterDelegate>
第 3.2 步：更新 AppDelegate.m
在文件顶部添加以下内容：
#import <UserNotifications/UserNotifications.h>
#import <RNCPushNotificationIOS.h>
将 AppDelegate.m 中 RCTPushNotificationManager 的所有条目替换为 RNCPushNotificationIOS
然后，根据react-native-community.push-notification-ios
，在
@end 之前添加以下代码 sn-p
// Required to register for notifications
- (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
{
[RNCPushNotificationIOS didRegisterUserNotificationSettings:notificationSettings];
}
// Required for the register event.
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
{
[RNCPushNotificationIOS didRegisterForRemoteNotificationsWithDeviceToken:deviceToken];
}
// Required for the notification event. You must call the completion handler after handling the remote notification.
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo
fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
{
[RNCPushNotificationIOS didReceiveRemoteNotification:userInfo fetchCompletionHandler:completionHandler];
}
// Required for the registrationError event.
- (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error
{
[RNCPushNotificationIOS didFailToRegisterForRemoteNotificationsWithError:error];
}
// Required for the localNotification event.
- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification
{
[RNCPushNotificationIOS didReceiveLocalNotification:notification];
}
其他有用的提示！
每当您更新 package.json 时，请执行以下操作：
rm -rf -rf node_modules
yarn cache clean --force
yarn install
cd ios && pod install
React-native start -- --reset-cache
希望这对某人有所帮助！