package com.example.quotes
import android.os.Bundle
import android.os.Handler
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.Fragment
import com.example.quotes.databinding.ActivityMainBinding
@Suppress("DEPRECATION")
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
var binding = ActivityMainBinding.inflate(layoutInflater)
setTheme(R.style.splashScreenThemes)
setContentView(binding.root)
replaceFragment(HomeFragment())
binding.bottomNavigationView.setOnItemSelectedListener { item ->
when(item.itemId) {
R.id.home -> {
replaceFragment(HomeFragment())
true
}
R.id.profile -> {
replaceFragment(ProfileFragment())
true
}
R.id.settings -> {
replaceFragment(SettingsFragment())
true
}
else -> false
}
}
}
private fun replaceFragment(fragment: Fragment){
val transaction = supportFragmentManager.beginTransaction()
transaction.replace(R.id.frame_layout, fragment)
transaction.commit()
}
}package com.example.quotes
import android.content.Context
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.core.view.get
import androidx.fragment.app.Fragment
import com.example.quotes.databinding.FragmentHomeBinding
import java.lang.RuntimeException
class HomeFragment: Fragment() {
private lateinit var Quotes: TextView
private var _binding: FragmentHomeBinding? = null
private val binding: FragmentHomeBinding
get() = _binding ?: throw RuntimeException("FragmentHomeBinding is null")
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
_binding = FragmentHomeBinding.inflate(inflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
initViews(view)
addListeners(view)
}
private fun initViews(view: View){
Quotes = view.findViewById(R.id.textViewQuotes)
}
private fun addListeners(view: View){
view.setOnClickListener {
if (binding.textViewQuotes.id.toString() == R.id.textViewQuotes.toString()){
requireActivity().supportFragmentManager.beginTransaction()
.replace(R.id.homeFragment, ContentFragment.newInstance())
.commit()
}
}
}
}<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/homeFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/purple_200"
tools:context=".HomeFragment">
<TextView
android:id="@+id/textViewQuotes"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Home Fragment"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:textSize="35dp"/>
</androidx.constraintlayout.widget.ConstraintLayout><?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/contentFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/purple_200"
tools:context=".ContentFragment">
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Я контент"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:textSize="30sp"/>
</androidx.constraintlayout.widget.ConstraintLayout><?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/main_container"
android:name="com.example.quotes.HomeFragment"
tools:context=".MainActivity">
<FrameLayout
android:id="@+id/frame_layout"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@+id/bottomNavigationView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</FrameLayout>
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/bottomNavigationView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:menu="@menu/bottom_nav_menu"/>
</androidx.constraintlayout.widget.ConstraintLayout>
replaceFragment(HelloFragment())
val handler = Handler()
handler.postDelayed({ replaceFragment(HomeFragment()) }, 5000)