pramonow

class DemoActivity : AppCompatActivity(){
       
       override fun onCreate(savedInstanceState: Bundle?) {
              super.onCreate(savedInstanceState)
              setContentView(R.layout.activity_demo)
              //now we creating adapter and passing in a lambda method
              var demoAdapter = DemoAdapter{ item -> doClick(item) }
           }
       
           //creating method to make it look simpler

pramonow

//Adapter having lambda function inside the constructor
class DemoAdapter(val adapterOnClick : (Any) -> Unit): RecyclerView.Adapter<DemoAdapter.DemoVH>(){
  var itemList:MutableList<Any> = ArrayList()
  override fun onBindViewHolder(demoVH: DemoVH, i: Int) {
        demoVH.setItem(itemList.get(i))
  }
  
  /*
    other abstract method implementation
  */

pramonow

class DemoActivity : AppCompatActivity(), AdapterOnClick {
  
  override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContentView(R.layout.activity_demo)
      //create our adapter here and passing in our class
      var demoAdapter = DemoAdapter(this)
      
      //other layout manager binding
  }

pramonow

//Sample adapter with click interface
class DemoAdapter(val adapterOnClick: AdapterOnClick) : RecyclerView.Adapter<DemoAdapter.DemoVH> {
  var itemList:MutableList<Any> = ArrayList()
  override fun onBindViewHolder(demoVH: DemoVH, i: Int) {
      demoVH.setItem(itemList.get(i))
  }
 
  /*
    implement other abstract method ..
  */

pramonow

interface AdapterOnClick {
    fun onClick(item: Any)
}

pramonow

package main

import (
	"fmt"
	"log"
	"net"
	"sync"
	"time"

	pb "github.com/pramonow/go-grpc-server-streaming-example/src/proto"

pramonow

package main

import (
	"context"
	"io"
	"log"

	pb "github.com/pramonow/go-grpc-server-streaming-example/src/proto"

	"google.golang.org/grpc"

pramonow

syntax = "proto3";

package protobuf;

service StreamService {
  rpc FetchResponse (Request) returns (stream Response) {}
}

message Request {
  int32 id = 1;