Navigation

 1.activityMain.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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:fitsSystemWindows="true"
    android:id="@+id/dra"
    tools:context=".MainActivity">

    <com.google.android.material.navigation.NavigationView
        android:id="@+id/nev"
        android:layout_width="wrap_content"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/hader"
        app:menu="@menu/text_nev"
        android:layout_height="match_parent"/>

    <include layout="@layout/appbar"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</androidx.drawerlayout.widget.DrawerLayout>

2.hedar

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:gravity="bottom"
    android:background="@color/purple_200"
    android:layout_height="150dp">
    <ImageView
        android:layout_width="wrap_content"
        android:background="@mipmap/ic_launcher"
        android:layout_height="wrap_content"/>


</LinearLayout>

3. all item

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:id="@+id/appid"
    android:layout_height="match_parent">

<com.google.android.material.appbar.AppBarLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

<androidx.appcompat.widget.Toolbar
    app:titleTextColor="@color/white"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/bar"/>

</com.google.android.material.appbar.AppBarLayout>
    <include layout="@layout/page"/>

</LinearLayout>

4. page

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

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/fra"/>

</LinearLayout>

5. java.class

package com.example.practice;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBarDrawerToggle;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.core.view.GravityCompat;
import androidx.drawerlayout.widget.DrawerLayout;

import android.annotation.SuppressLint;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.MenuItem;
import android.widget.Toast;

import com.google.android.material.navigation.NavigationView;

import java.util.Objects;

public class MainActivity extends AppCompatActivity {

    DrawerLayout drawerLayout;
    Toolbar bar;
    NavigationView nev;

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

        drawerLayout = findViewById(R.id.dra);

        bar = findViewById(R.id.bar);

        nev = findViewById(R.id.nev);

        setSupportActionBar(bar);



          //bar title set
        //getSupportActionBar().setTitle("hi");
        Objects.requireNonNull(getSupportActionBar()).setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_launcher_foreground);

        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this,drawerLayout,bar,R.string.OpenDrawer,R.string.CloseDrawer);

        drawerLayout.addDrawerListener(toggle);

        toggle.syncState();

        //three dot icon change
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_launcher_foreground);

        nev.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                int idm = item.getItemId();

                if(idm==R.id.i1){
                    Toast.makeText(MainActivity.this,"hi",Toast.LENGTH_LONG).show();

                }
                else if (idm==R.id.i1){
                    Toast.makeText(MainActivity.this,"hi2",Toast.LENGTH_LONG).show();

                }else {
                    Toast.makeText(MainActivity.this,"h12i",Toast.LENGTH_LONG).show();

                }

                drawerLayout.closeDrawer(GravityCompat.START);



                return true;
            }
        });
    }

    @Override
    public void onBackPressed() {
        // back Navigation off
        if (drawerLayout.isDrawerOpen(GravityCompat.START)){
            drawerLayout.closeDrawer(GravityCompat.START);
        }else{
            super.onBackPressed();
        }

        //super.onBackPressed();
    }
}

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