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foi #2

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36 changes: 33 additions & 3 deletions app/src/main/java/com/android/atr07/drawerwithbottomnavigation/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ package com.android.atr07.drawerwithbottomnavigation
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.ActionBar
import androidx.core.view.GravityCompat
import androidx.drawerlayout.widget.DrawerLayout
import androidx.navigation.NavController
Expand All @@ -12,6 +14,10 @@ import androidx.navigation.ui.NavigationUI
import androidx.navigation.ui.setupActionBarWithNavController
import androidx.navigation.ui.setupWithNavController
import com.android.atr07.drawerwithbottomnavigation.databinding.ActivityMainBinding
import com.android.atr07.drawerwithbottomnavigation.fragments.HomeFragment
import android.content.Intent
import android.view.MenuItem


/**
* SF: https://stackoverflow.com/questions/55990820/how-to-use-navigation-drawer-and-bottom-navigation-simultaneously-navigation-a/
Expand All @@ -34,17 +40,30 @@ class MainActivity : AppCompatActivity() {

navController = findNavController(R.id.main_nav_host) //Initialising navController

appBarConfiguration = AppBarConfiguration.Builder(R.id.homeFragment, R.id.accountsFragment,
appBarConfiguration = AppBarConfiguration.Builder( R.id.accountsFragment,
R.id.dashboardFragment, R.id.settingsFragment) //Pass the ids of fragments from nav_graph which you d'ont want to show back button in toolbar
.setOpenableLayout(binding.mainDrawerLayout) //Pass the drawer layout id from activity xml
.build()

setSupportActionBar(binding.mainToolbar) //Set toolbar

setupActionBarWithNavController(navController, appBarConfiguration) //Setup toolbar with back button and drawer icon according to appBarConfiguration


visibilityNavElements(navController) //If you want to hide drawer or bottom navigation configure that in this function
}
/* override fun onOptionsItemSelected(item: MenuItem): Boolean {
return when (item.getItemId()) {
R.id.homeFragment -> {
// todo: goto back activity from here
*//* val intent = Intent(this, MainActivity::class.java)
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK)
startActivity(intent)*//*
finish()
true
}
else -> super.onOptionsItemSelected(item)
}
}*/

private fun visibilityNavElements(navController: NavController) {

Expand Down Expand Up @@ -92,14 +111,25 @@ class MainActivity : AppCompatActivity() {
this.finishAffinity()
}

override fun onSupportNavigateUp(): Boolean { //Setup appBarConfiguration for back arrow
override fun onSupportNavigateUp(): Boolean {
val navController = navController
return when(navController.currentDestination?.id) {
R.id.homeFragment -> {
finish()
true
}
else -> navController.navigateUp()
}
//Setup appBarConfiguration for back arrow
return NavigationUI.navigateUp(navController, appBarConfiguration)
}

override fun onBackPressed() {

when { //If drawer layout is open close that on back pressed
binding.mainDrawerLayout.isDrawerOpen(GravityCompat.START) -> {
binding.mainDrawerLayout.closeDrawer(GravityCompat.START)

}
else -> {
super.onBackPressed() //If drawer is already in closed condition then go back
Expand Down