flutter调用Android原生logcat打印日志 _android

知识就是力量，时间就是生命。这篇文章主要讲述flutter调用Android原生logcat打印日志相关的知识，希望能为你提供帮助。

//2.本地kotlin代码
class MainActivity : FlutterActivity() {

companion object { const val FLUTTER_android_LOG_CHANNEL = "flutter_android_log" }override fun configureFlutterEngine(flutterEngine: FlutterEngine) { super.configureFlutterEngine(flutterEngine) GeneratedPluginRegistrant.registerWith(flutterEngine) MethodChannel(flutterEngine.dartExecutor.binaryMessenger, FLUTTER_ANDROID_LOG_CHANNEL) .setMethodCallHandler { call, result -> var tag: String = call.argument("tag") ?: "LogUtils" var message: String = call.argument("msg") ?: "unknown log message" when (call.method) { "logD" -> Log.d(tag, message) "logE" -> Log.e(tag, message) } result.success(null) } } }

//2.flutter的dart代码下划线_表示私有变量
import \'package:flutter/services.dart\';
class LogUtils {
static const String _tag = "LogUtils";
static const _perform = const MethodChannel("flutter_android_log");

static void d(String message) {
_perform.invokeMethod("logD", {\'tag\': _tag, \'msg\': message});
}

static void e(String message) {
_perform.invokeMethod("logE", {\'tag\': _tag, \'msg\': message});
}
}

//3.调用