如何解决Flutter - Firebase 云函数可调用函数格式错误
我正在尝试使用云函数中的可调用函数修改我的 Firestore 数据库...这是我的云函数:
exports.addUserdisplayName = functions.region("europe-west1")
.https.onCall((data,context) => {
functions.logger.log("User displayname updated",data.userUid,data.displayName);
admin.firestore().collection("users").doc(data.userUid).update({
displayName: data.displayName,});
return {
status: "done",};
});
这是我在我的 Flutter 应用程序上调用此云功能的方法:
HttpsCallable addUserdisplayName = FirebaseFunctions.instance.httpsCallable("addUserdisplayName");
await addUserdisplayName.call({
'userUid': userCredential!.user!.uid,'displayName': "$firstName $lastName",},);
但我不知道为什么,每次我尝试调用我的函数时,我都会收到此错误并且没有调用任何内容:
Flutter: [firebase_functions/3840] The data Couldn’t be read because it isn’t in the correct format.
#0 StandardMethodCodec.decodeEnvelope (package:Flutter/src/services/message_codecs.dart:597:7)
#1 MethodChannel._invokeMethod (package:Flutter/src/services/platform_channel.dart:158:18)
<asynchronous suspension>
#2 MethodChannelHttpsCallable.call (package:cloud_functions_platform_interface/src/method_channel/method_channel_https_callable.dart:22:24)
<asynchronous suspension>
#3 HttpsCallable.call (package:cloud_functions/src/https_callable.dart:34:37)
<asynchronous suspension>
#4 AuthProvider.createuser (package:kcount/providers/auth_provider.dart:50:7)
<asynchronous suspension>
你知道为什么吗?
解决方法
好的,我发现问题是附加在区域上的...我忘记放.instanceFor(region: 'europe-west1')
所以我不得不这样做:
HttpsCallable addUserDisplayName = FirebaseFunctions.instanceFor(region: 'europe-west1').httpsCallable("addUserDisplayName");
await addUserDisplayName.call({
'userUid': userCredential!.user!.uid,'displayName': "$firstName $lastName"
},);
代替:
HttpsCallable addUserDisplayName = FirebaseFunctions.instance.httpsCallable("addUserDisplayName");
await addUserDisplayName.call({
'userUid': userCredential!.user!.uid,'displayName': "$firstName $lastName",},);
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