通过url scheme方式传递冷启动参数

android/src/main/kotlin/com/jarvan/fluwx/FluwxPlugin.kt

 package com.jarvan.fluwx
 
+import android.content.Intent
+import android.util.Log
 import androidx.annotation.NonNull
 import com.jarvan.fluwx.handlers.*
 import com.tencent.mm.opensdk.modelbiz.SubscribeMessage
@@ -16,7 +18,7 @@ import io.flutter.plugin.common.MethodChannel.Result
 import io.flutter.plugin.common.PluginRegistry
 
 /** FluwxPlugin */
-class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
+class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware,PluginRegistry.NewIntentListener {
 
     companion object {
 
@@ -45,6 +47,14 @@ class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
 
     private var fluwxChannel: MethodChannel? = null
 
+    private fun handelIntent(intent:Intent?){
+        val action = intent?.action
+        val dataString = intent?.dataString
+        if (Intent.ACTION_VIEW.equals(action)) {
+            extMsg = dataString
+        }
+    }
+
     override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
         val channel = MethodChannel(flutterPluginBinding.binaryMessenger, "com.jarvanmo/fluwx")
         channel.setMethodCallHandler(this)
@@ -84,10 +94,12 @@ class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
 
     override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
         shareHandler?.permissionHandler = PermissionHandler(binding.activity)
+        handelIntent(binding.activity.intent)
     }
 
     override fun onAttachedToActivity(binding: ActivityPluginBinding) {
         WXAPiHandler.setContext(binding.activity.applicationContext)
+        handelIntent(binding.activity.intent)
         shareHandler?.permissionHandler = PermissionHandler(binding.activity)
     }
 
@@ -194,4 +206,9 @@ class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
     }
 
     private fun openWXApp(result: MethodChannel.Result) = result.success(WXAPiHandler.wxApi?.openWXApp())
+
+    override fun onNewIntent(intent: Intent?): Boolean {
+        handelIntent(intent)
+        return false
+    }
 }

android/src/main/kotlin/com/jarvan/fluwx/handlers/FluwxRequestHandler.kt

@@ -19,13 +19,15 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
+import android.net.Uri
 import android.os.Bundle
 import android.util.Log
+import androidx.core.content.ContextCompat.startActivity
 import com.jarvan.fluwx.FluwxPlugin
-import com.tencent.mm.opensdk.modelmsg.ShowMessageFromWX
-import io.flutter.plugin.common.MethodChannel
 import com.tencent.mm.opensdk.modelbase.BaseReq
-import java.lang.Exception
+import com.tencent.mm.opensdk.modelmsg.ShowMessageFromWX
+import java.security.cert.Extension
+
 
 object FluwxRequestHandler {
     private const val KEY_FLUWX_REQUEST_INFO_BUNDLE = "KEY_FLUWX_REQUEST_INFO_BUNDLE"
@@ -53,7 +55,6 @@ object FluwxRequestHandler {
         val result = mapOf(
                 "extMsg" to req.message.messageExt
         )
-        FluwxPlugin.extMsg = req.message.messageExt;
         FluwxPlugin.callingChannel?.invokeMethod("onWXShowMessageFromWX", result)
     }
 
@@ -66,9 +67,19 @@ object FluwxRequestHandler {
                 handleRequest(baseReq)
                 startSpecifiedActivity(defaultFlutterActivityAction(activity), activity = activity)
             } else {
-                startSpecifiedActivity(defaultFlutterActivityAction(activity), bundle = Bundle().apply {
-                    baseReq.toBundle(this)
-                }, bundleKey = KEY_FLUWX_REQUEST_INFO_BUNDLE, activity = activity)
+                when (baseReq) {
+                    is ShowMessageFromWX.Req -> {
+                        try {
+                            val intent = Intent(Intent.ACTION_VIEW, Uri.parse("wechatextmsg://${activity.packageName}/?extmsg=${baseReq.message.messageExt}"))
+                            activity.startActivity(intent)
+                            activity.finish()
+                            WXAPiHandler.setCoolBool(false)
+                        }catch (e:Exception) {
+                            Log.i("fluwx","call scheme error:${e.toString()}")
+                        }
+
+                    }
+                }
             }
         }
     }
@@ -76,7 +87,7 @@ object FluwxRequestHandler {
     fun onReq(baseReq: BaseReq, activity: Activity) {
         try {
             val packageManager = activity.packageManager
-            var appInfo = packageManager.getApplicationInfo(activity.packageName,PackageManager.GET_META_DATA)
+            var appInfo = packageManager.getApplicationInfo(activity.packageName, PackageManager.GET_META_DATA)
             val defaultHandle = appInfo.metaData.getBoolean("handleWeChatRequestByFluwx", true)
             if (defaultHandle) {
                 defaultOnReqDelegate(baseReq, activity)