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1. Use Image Libraries: If need to load image in itemview, use Glide, Picasso or Fresco library.
 
2. setHasStableIds: This method should be used setHasStableIds(true) to enable stable item IDs. This helps in efficiently 
  updating and reordering items without unnecessary rebinds.

3. setHasFixedSize: If RecyclerView size itself is fixed and wouldn’t change due to its content and,
  using setHasFixedSize(true) can help improve performance by avoiding unnecessary layout calculations.
  
4. setItemViewCacheSize: Adjust the cache size using this method to control how many offscreen views are
  retained. This can help in managing memory usage.

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class MainActivity : AppCompatActivity() {

    private var intentFilter: IntentFilter? = null
    private var smsReceiver: SMSReceiver? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // Init Sms Retriever >>>>

shikto1

class MainActivity : AppCompatActivity() {

    private var smsReceiver: SMSReceiver? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // Init Sms Retriever >>>>
        initSmsListener()

shikto1

package com.shishirthedev.smsretriverapi

import android.annotation.TargetApi
import android.content.Context
import android.content.ContextWrapper
import android.content.pm.PackageManager
import android.util.Base64
import android.util.Log
import java.nio.charset.StandardCharsets
import java.security.MessageDigest

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class MainActivity : AppCompatActivity() {

    private var intentFilter: IntentFilter? = null
    private var smsReceiver: SMSReceiver? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

shikto1

package com.shishirthedev.smsretriverapi
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import com.google.android.gms.auth.api.phone.SmsRetriever
import com.google.android.gms.common.api.CommonStatusCodes
import com.google.android.gms.common.api.Status
import java.util.regex.Pattern

class SMSReceiver : BroadcastReceiver() {

shikto1

implementation 'com.google.android.gms:play-services-auth:19.0.0'
implementation 'com.google.android.gms:play-services-auth-api-phone:17.5.0'

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import 'package:deliveryboy/data/pref/Keys.dart';
import 'package:deliveryboy/data/pref/PreferenceManager.dart';
import 'package:deliveryboy/ui/components/item_view/item_on_borading.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

import 'auth/login/login_screen.dart';

class OnboardingScreen extends StatefulWidget {
  static const route = "/on-boarding-screen";

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fun isInternetAvailable(context: Context): Boolean {
        var isConnected: Boolean = false // Initial Value
        val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        val activeNetwork: NetworkInfo? = connectivityManager.activeNetworkInfo
        if (activeNetwork != null && activeNetwork.isConnected)
            isConnected = true
        return isConnected
    }

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    val retrofit = new retrofit2.Retrofit.Builder()
        .baseUrl(BASE_URL)
        .addConverterFactory(GsonConverterFactory.create())
        .client(okHttpClient)
        .build();