Navigation Menu 커스텀

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.widget.DrawerLayout 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/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

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

        <Button
            android:id="@+id/btn_open"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="khon"/>

    </LinearLayout>
    <include layout = "@layout/activity_drawer"/> // main.xml에서 drawer.xml을 연결 시킴

</androidx.drawerlayout.widget.DrawerLayout>

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activity_drawer.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="240dp"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:background="#1EC0D5"
    android:id="@+id/drawer"
    android:orientation="vertical"> // 슬라이드 메뉴를 직접 만들어준다고 생각하면 됨

    <Button
        android:id="@+id/btn_close"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:text="메뉴 닫기"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="khon 메뉴"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:background="#3299C8"
        android:orientation="vertical">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="테스트 메뉴"/>

    </LinearLayout>

</LinearLayout>

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MainActivity.java

package com.example.customnaviexample;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.drawerlayout.widget.DrawerLayout;

import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    private DrawerLayout drawerLayout;
    private View drawerView;

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

        drawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
        drawerView = (View)findViewById(R.id.drawer);

        Button btn_open = (Button)findViewById(R.id.btn_open);
        btn_open.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                drawerLayout.openDrawer(drawerView); // 버튼을 눌렀을때 메뉴가 열려라 라는 뜻
            }
        });

        Button btn_close = (Button)findViewById(R.id.btn_close);
        btn_close.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                drawerLayout.closeDrawers();
            }
        });

        drawerLayout.setDrawerListener(listener);
        drawerView.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent motionEvent) {
                return true;
            }
        });
    }

    DrawerLayout.DrawerListener listener = new DrawerLayout.DrawerListener() {
        // 왼쪽이나 오른쪽 슬라이드 했을때 이곳에서 선택 값을 받아옴
        @Override
        public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {

        }

        @Override
        public void onDrawerOpened(@NonNull View drawerView) {

        }

        @Override
        public void onDrawerClosed(@NonNull View drawerView) {

        }

        @Override
        public void onDrawerStateChanged(int newState) {

        }
    };
}