hamurcuabi

class SharedViewModel() : ViewModel() {

    var data: String = "SharedViewModel Data"
        private set

}

hamurcuabi

import android.os.Bundle
import android.widget.ProgressBar
import android.widget.TextView
import androidx.activity.viewModels
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.isVisible

class MainActivity : AppCompatActivity() {

    private val mainViewModel: MainViewModel by viewModels()

hamurcuabi

package com.hamurcuabi.myapplication

import android.content.Context
import android.graphics.Typeface
import android.util.AttributeSet
import android.view.LayoutInflater
import android.view.View
import android.widget.FrameLayout
import androidx.core.view.isVisible
import com.hamurcuabi.myapplication.databinding.ViewCustomToolbarBinding

hamurcuabi

class HomeFragment : Fragment(), 
OnBackPressedDelegation by OnBackPressedDelegationImpl() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        registerOnBackPressedDelegation(activity, this.lifecycle) {
            // OnBackPressed fired!!!
        }
    }
}

hamurcuabi

class OnBackPressedDelegationImpl : OnBackPressedDelegation, DefaultLifecycleObserver {

    private val onBackPressedCallback = object : OnBackPressedCallback(true) {
        override fun handleOnBackPressed() {
            onBackPressed.invoke()
        }
    }

    private var fragmentActivity: FragmentActivity? = null

hamurcuabi

interface OnBackPressedDelegation {

    fun registerOnBackPressedDelegation(
        fragmentActivity: FragmentActivity?,
        lifecycle: Lifecycle,
        onBackPressed: () -> Unit
    )
}

hamurcuabi

class HomeFragment : Fragment() {

    private val onBackPressedCallback = object : OnBackPressedCallback(true) {
        override fun handleOnBackPressed() {
            // On back pressed
        }
    }

    override fun onResume() {
        super.onResume()

hamurcuabi

import android.app.Activity
import androidx.activity.result.ActivityResultLauncher
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat.shouldShowRequestPermissionRationale
import androidx.fragment.app.Fragment

object PermissionUtil {

hamurcuabi

   
   // register permission on top of Fragment or Activity like below

   private val cameraPermission = registerPermission {
        onCameraPermissionResult(it)
    }

    private val storagePermission = registerPermission {
        onStoragePermissionResult(it)
    }

hamurcuabi

    fun Permission.launchSinglePermission(permission: String) {
        this.result.launch(arrayOf(permission))
    }

    fun Permission.launchMultiplePermission(permissionList: Array<String>) {
        this.result.launch(permissionList)
    }