[Kotlin] Toolbar + include

common_toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.appcompat.widget.Toolbar
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="?android:attr/actionBarSize">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <ImageButton
            android:id="@+id/btnBack"
            android:layout_width="26dp"
            android:layout_height="35dp"
            android:layout_gravity="center_vertical"
            android:background="@drawable/back" />

        <TextView
            android:id="@+id/tvName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:hint="Toolbar"
            android:textSize="24dp"
            android:layout_gravity="center"/>

        <ImageButton
            android:id="@+id/btnForward"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="right"
            android:background="@drawable/forward" />

    </FrameLayout>

</androidx.appcompat.widget.Toolbar>

common_toolbar.xml

 

 

 

 

 

 

activity_third.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".ThirdActivity">

    <include
        android:id="@+id/includeThird"
        layout="@layout/common_toolbar"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/actionBarSize"/>

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Third"
            android:textSize="30dp"
            android:textStyle="bold|italic"
            android:layout_gravity="center"/>

    </FrameLayout>

</LinearLayout>

activity_third.xml

 

 

 

 

 

activity_second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".SecondActivity">

    <include
        android:id="@+id/includeSecond"
        layout="@layout/common_toolbar"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/actionBarSize"/>

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Second"
            android:textSize="30dp"
            android:textStyle="bold|italic"
            android:layout_gravity="center"/>

    </FrameLayout>

</LinearLayout>

activity_second.xml

 

 

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <include
        android:id="@+id/includeMain"
        layout="@layout/common_toolbar"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/actionBarSize"/>

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Main"
            android:textSize="30dp"
            android:textStyle="bold|italic"
            android:layout_gravity="center"/>

    </FrameLayout>

</LinearLayout>

activity_main.xml

 

 

 

 

 

 

ThirdActivity.kt

package com.jwsoft.kotlinproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.ImageButton
import android.widget.TextView
import kotlinx.android.synthetic.main.activity_third.*

class ThirdActivity : AppCompatActivity() {

    private lateinit var btnBack: ImageButton
    private lateinit var btnForward: ImageButton
    private lateinit var tvName: TextView

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

        btnBack = includeThird.findViewById(R.id.btnBack)
        btnForward = includeThird.findViewById(R.id.btnForward)
        tvName = includeThird.findViewById(R.id.tvName)
        tvName.text = "Third"

        btnForward.visibility = View.INVISIBLE
        btnBack.setOnClickListener {
            startActivity(Intent(this, SecondActivity::class.java))
            finish()
        }

    }
}

 

 

 

 

 

 

 

SecondActivity.kt

package com.jwsoft.kotlinproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.ImageButton
import android.widget.TextView
import kotlinx.android.synthetic.main.activity_second.*
import kotlinx.android.synthetic.main.activity_third.*

class SecondActivity : AppCompatActivity() {

    private lateinit var btnBack: ImageButton
    private lateinit var btnForward: ImageButton
    private lateinit var tvName: TextView

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

        btnBack = includeSecond.findViewById(R.id.btnBack)
        btnForward = includeSecond.findViewById(R.id.btnForward)
        tvName = includeSecond.findViewById(R.id.tvName)
        tvName.text = "Second"

        btnBack.setOnClickListener {
            startActivity(Intent(this, MainActivity::class.java))
            finish()
        }

        btnForward.setOnClickListener {
            startActivity(Intent(this, ThirdActivity::class.java))
            finish()
        }

    }
}

 

 

 

 

 

 

 

MainActivity.kt

package com.jwsoft.kotlinproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.ImageButton
import android.widget.TextView
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    private lateinit var btnBack: ImageButton
    private lateinit var btnForward: ImageButton
    private lateinit var tvName: TextView

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

        btnBack = includeMain.findViewById(R.id.btnBack)
        btnForward = includeMain.findViewById(R.id.btnForward)
        tvName = includeMain.findViewById(R.id.tvName)
        tvName.text = "Main"

        btnBack.visibility = View.INVISIBLE
        btnForward.setOnClickListener {
            startActivity(Intent(this, SecondActivity::class.java))
            finish()
        }

    }

}

실행 결과