Open android(native) activity in

Preview

Sep-02-2020 15-47-39.gif

Flutter:

RaisedButton(
              child: Text('Goto Native Page'),
              onPressed: () {
                MethodChannel channel = MethodChannel("method_channel_name");
                channel.invokeMethod('startActivity', {
                  "name" : 'NativePage',
                  "arg" : '123'
                });
              },
            ),

Android

MainActivity.kt

package com.example.myapp

import android.content.Intent
import android.os.Bundle
import io.flutter.app.FlutterActivity
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugins.GeneratedPluginRegistrant

class MainActivity : FlutterActivity(),MethodChannel.MethodCallHandler{
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        GeneratedPluginRegistrant.registerWith(this)

        val channel = MethodChannel(flutterView,"method_channel_name")
        channel.setMethodCallHandler(this::onMethodCall)
    }

    override fun onMethodCall(methodCall: MethodCall, result: MethodChannel.Result) {
        if(methodCall.method == "startActivity"){
            val map = methodCall.arguments as HashMap<*, *>
            if(map["name"] == "NativePage"){
                startActivity(Intent(this,NativeActivity::class.java).apply{
                    addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
                    putExtra("arg",map["arg"].toString())
                })
            }
        }
    }
}

NativeActivity.kt

package com.example.myapp

import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.TextView

class NativeActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_native)

        val arg = intent.getStringExtra("arg")
        findViewById<TextView>(R.id.textView).text = arg
    }
}