[챕터 2-4-5] 탭2

결과화면

정보 아이콘 클릭 시

위치 아이콘 클릭 시

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res/menu 디렉토리 생성

 

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파일명 : menu_bottom

 

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activity_main.xml

 

BottomNavigationView 설치

 

 

layout_height : wrap_content

 

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activity_main.xml

 

<?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"
    tools:context=".MainActivity">

    <FrameLayout android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" >

    </FrameLayout>

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottom_navigation"
        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:itemBackground="@color/colorPrimary"
        app:itemIconTint="@drawable/item_color"
        app:itemTextColor="@drawable/item_color"
        app:menu="@menu/menu_bottom" />


</androidx.constraintlayout.widget.ConstraintLayout>

 

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파일명 : item_color

 

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item_color.xml

 

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="#51032d"
          android:state_checked="true"/>
    <item android:color="#CFD8DC"/>
</selector>

 

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파일명 : fragment1

 

 

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파일명 : Fragment1

슈퍼클래스 : androidx.fragment.app.Fragment

 

Fragment1.java

 

package org.minokuma.mytab2;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

public class Fragment1 extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment1, container, false);
    }
}

 

 

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res/layout/fragment1.xml 복사

res/layout/fragment2.xml 생성

 

 

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Fragment1.java 복사

Fragment2.java 생성

 

package org.minokuma.mytab2;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

public class Fragment2 extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment2, container, false);
    }
}

 

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fragment2.xml 복사

fragment3.xml 생성

 

 

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Fragment2.java 복사

Fragment3.java 생성

 

package org.minokuma.mytab2;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

public class Fragment3 extends Fragment {
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment3, container, false);
    }
}

 

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MainActivity.java

 

package org.minokuma.mytab2;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.MenuItem;

import com.google.android.material.bottomnavigation.BottomNavigationView;

public class MainActivity extends AppCompatActivity {

    Fragment1 fragment1;
    Fragment2 fragment2;
    Fragment3 fragment3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        fragment1 = new Fragment1();
        fragment2 = new Fragment2();
        fragment3 = new Fragment3();

        getSupportFragmentManager().beginTransaction().replace(R.id.container, fragment1).commit();

        BottomNavigationView bottomNavigationView = findViewById(R.id.bottom_navigation);
        bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
                switch (menuItem.getItemId()){
                    case R.id.tab1:
                        getSupportFragmentManager().beginTransaction().replace(R.id.container, fragment1).commit();
                        return true;

                    case R.id.tab2:
                        getSupportFragmentManager().beginTransaction().replace(R.id.container, fragment2).commit();
                        return true;

                    case R.id.tab3:
                        getSupportFragmentManager().beginTransaction().replace(R.id.container, fragment3).commit();
                        return true;

                }
                return false;
            }
        });

    }
}