[英]Push notifications IOS react native NSDictionary error
I used this library to create push notifications in my react native app.我使用这个库在我的本机应用程序中创建推送通知。
https://github.com/zo0r/react-native-push-notification . https://github.com/zo0r/react-native-push-notification 。
I tried to send a local notification, the code is :我试图发送一个本地通知,代码是:
localNotif() {
this.lastId++;
PushNotification.localNotification({
/* Android Only Properties */
id: ''+this.lastId, // (optional) Valid unique 32 bit integer specified as string. default: Autogenerated Unique ID
ticker: "My Notification Ticker", // (optional)
autoCancel: true, // (optional) default: true
largeIcon: "ic_launcher", // (optional) default: "ic_launcher"
smallIcon: "ic_notification", // (optional) default: "ic_notification" with fallback for "ic_launcher"
bigText: "My big text that will be shown when notification is expanded", // (optional) default: "message" prop
subText: "This is a subText", // (optional) default: none
color: "red", // (optional) default: system default
vibrate: true, // (optional) default: true
vibration: 300, // vibration length in milliseconds, ignored if vibrate=false, default: 1000
tag: 'some_tag', // (optional) add tag to message
group: "group", // (optional) add group to message
ongoing: false, // (optional) set whether this is an "ongoing" notification
/* iOS only properties */
alertAction: 'view', // (optional) default: view
category: null, // (optional) default: null
userInfo: null, // (optional) default: null (object containing additional notification data)
/* iOS and Android properties */
title: "Local Notification", // (optional)
message: "My Notification Message", // (required)
playSound: false, // (optional) default: true
soundName: 'default', // (optional) Sound to play when the notification is shown. Value of 'default' plays the default sound. It can be set to a custom sound such as 'android.resource://com.xyz/raw/my_sound'. It will look for the 'my_sound' audio file in 'res/raw' directory and play it. default: 'default' (default sound is played)
number: '10', // (optional) Valid 32 bit integer specified as string. default: none (Cannot be zero)
actions: '["Yes", "No"]', // (Android only) See the doc for notification actions to know more
});
}
I got this error :我收到此错误:
JSON value of type NSNull cannot be converted to NSDisctionary NSNull 类型的 JSON 值无法转换为 NSDisctionary
Try making the following changes in your JSON :尝试在您的 JSON 中进行以下更改:
category: null, // either pass a string here OR Remove this.
userInfo: null, // either pass a JSON here OR Remove this.
number: '10' // make this a number as 10
This may be a possible errors.这可能是一个可能的错误。 Hope this will work for you.
希望这对你有用。
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