作为Comate,一个由文心一言驱动的智能编程助手,我将为你详细解答关于Flutter的MethodChannel和invokeMethod的问题。 1. 解释什么是Flutter的MethodChannel Flutter的MethodChannel是Flutter与原生平台(如Android和iOS)之间通信的桥梁。它允许Flutter代码调用原生平台代码,也允许原生平台代码调用Flutter代码。通过这种方式,Flutter应用...
messageChannel.send("flutter call"); 这样就实现了Native和Flutter的双向消息交互。 MethodChannel 用于双方函数的调用,使用方法与BasicMessageChannel相似,其实本质上是一样的。我们先来看看如何使用它。 Android端 与BasicMessageChannel一样预热和不预热可以有两种不同的处理,但是其实最终都是获取到FlutterEngine对象,所...
114 more Caused by: org.gradle.internal.component.AmbiguousVariantSelectionException: More than one variant of project :flutter matches the consumer attributes: - Configuration ':flutter:debugRuntimeElements' variant android-assets: - Unmatched attributes: - Found artifactType 'android-assets' but wasn'...
ionicwang2楼•5 个月前eggper3楼•5 个月前
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flutter ios invokemethod没触发 Key的定义 先看下Key的官方定义: A Key is an identifier for Widgets, Elements and SemanticsNodes. A new widget will only be used to update an existing element if its key is the same as the key of the current widget associated with the element....
self.channel!.invokeMethod("onFinish", arguments: "TEST", result: {(r:Any?) -> () in print(r.debugDescription); // Never comes here }) } } Dart: import 'package:flutter/foundation.dart'; import 'package:flutter/services.dart'; ...
MethodChannel _methodChannel = MethodChannel('flutter/MethodChannelDemo'); List<dynamic> documentList = [""]; try { documentList = await _methodChannel.invokeMethod("Documents"); } on PlatformException catch (e) { print("exceptiong"); }
I've been debugging it for hours, but can't figure out why when theinvokeMethodfuture is awaited, it just sits there and I see no prints on the swift side. I'm using flutter 2 so I'm not sure if that has anything to do, I do see, the minimum flutter requirement is 1.13 not, ...