Как сделать навигационную панель и вкладки с индивидуальным содержимым для каждой вкладки зависимыми от элемента навигационной панели?

Question

Я хочу сделать разный контент на вкладках для каждого элемента панели навигации.Когда я выбираю Navbar1 и перехожу на Tab one или Tab two или что-то еще, я хочу показать текст.Когда я переключаюсь на Navbar2 в панели навигации и выбираю Tab one, Tab two и т. Д. Я хочу показать другой контент.

Я покажу код, если это необходимо, но это просто android-studioЯщик навигационной панели по умолчанию, и я добавил фрагменты вкладок.

Не могли бы вы дать мне какие-либо указания о том, как действовать в отношении фрагментов вкладок, основной активности, панели навигации?

РЕДАКТИРОВАТЬ (добавлены код и SS):

Изображения: https://imgur.com/a/IVC5FrS

MainActivity.java

package cf.hazzu.bacalaureat;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        TabLayout tabLayout = (TabLayout)findViewById(R.id.tabs);
        ViewPager Pager = (ViewPager)findViewById(R.id.viewpager);

        tabpagerAdapter Tabpageradapter = new tabpagerAdapter(getSupportFragmentManager());
        Pager.setAdapter(Tabpageradapter);
        tabLayout.setupWithViewPager(Pager);

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.addDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_donate) {
            Intent viewIntent =
                    new Intent("android.intent.action.VIEW",
                            Uri.parse("https://hazzu.cf/app/"));
            startActivity(viewIntent);
            return true;
        }

        if (id == R.id.action_info) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.nav_one) {
            setTitle("Navbar 1");

        } else if (id == R.id.nav_two) {
            setTitle("Navbar 2");
        } else if (id == R.id.nav_three) {
            setTitle("Navbar 3");
        } else if (id == R.id.nav_smoke) {
            Context context = getApplicationContext();
            CharSequence text = "Some text, idk...";
            int duration = Toast.LENGTH_SHORT;

            Toast toast = Toast.makeText(context, text, duration);
            toast.show();
        }


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }


}

tabpagerAdapter.java

package cf.hazzu.bacalaureat;

import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;

public class tabpagerAdapter extends FragmentStatePagerAdapter {

    String[] tabarray = new String[]{"Tab1", "Tab2", "Tab3"};
    Integer tabnumber = 3;
    public tabpagerAdapter(FragmentManager fm) { super(fm); }

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return tabarray[position];
    }

    @Override
    public Fragment getItem(int position) {
        switch (position) {
            case 0:
                tab_one tab1 = new tab_one();
                return tab1;
            case 1:
                tab_two tab2 = new tab_two();
                return tab2;
            case 2:
                tab_three tab3 = new tab_three();
                return tab3;

        }

        return null;
    }

    @Override
    public int getCount() {
        return tabnumber;
    }
}

tab_one.java

package cf.hazzu.bacalaureat;


import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


/**
 * A simple {@link Fragment} subclass.
 */
public class tab_one extends Fragment {


    public tab_one() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_tab_one, container, false);
    }

}

tab_two.java

package cf.hazzu.bacalaureat;


import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


/**
 * A simple {@link Fragment} subclass.
 */
public class tab_two extends Fragment {


    public tab_two() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_tab_two, container, false);
    }

}

tab_three.java

package cf.hazzu.bacalaureat;


import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


/**
 * A simple {@link Fragment} subclass.
 */
public class tab_three extends Fragment {


    public tab_three() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_tab_three, container, false);
    }

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.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"
    android:fitsSystemWindows="true"
    tools:openDrawer="start">

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

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:fitsSystemWindows="true"
        app:headerLayout="@layout/nav_header_main"
        app:menu="@menu/activity_main_drawer" />

</android.support.v4.widget.DrawerLayout>

app_bar_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            app:popupTheme="@style/AppTheme.PopupOverlay" />

        <android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:tabIndicatorColor="@color/white">

            <android.support.design.widget.TabItem
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Tab One" />

            <android.support.design.widget.TabItem
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Tab Two" />

            <android.support.design.widget.TabItem
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Tab Three" />
        </android.support.design.widget.TabLayout>

    </android.support.design.widget.AppBarLayout>

    <include layout="@layout/content_main" />


</android.support.design.widget.CoordinatorLayout>

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context=".MainActivity"
    tools:showIn="@layout/app_bar_main">


    <android.support.v4.view.ViewPager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </android.support.v4.view.ViewPager>

</android.support.constraint.ConstraintLayout>

frag_tab_one.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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"
    tools:context=".tab_one">

    <!-- TODO: Update blank fragment layout -->
    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="@string/screen_tab1"
        android:gravity="center"
        android:textSize="24sp"/>

</FrameLayout>

фрагмент_таб_two.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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"
    tools:context=".tab_two">

    <!-- TODO: Update blank fragment layout -->
    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="@string/screen_tab2"
        android:gravity="center"
        android:textSize="24sp"/>

</FrameLayout>

menu / activity_main_drawer.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:showIn="navigation_view">

    <group android:checkableBehavior="single">
        <item
            android:id="@+id/nav_one"
            android:icon="@drawable/ic_font_download_black_24dp"
            android:title="Navbar 1" />
        <item
            android:id="@+id/nav_two"
            android:icon="@drawable/ic_face_black_24dp"
            android:title="Navbar 2" />
        <item
            android:id="@+id/nav_three"
            android:icon="@drawable/ic_insert_drive_file_black_24dp"
            android:title="Navbar 3" />

    </group>

    <item android:title="Chestii">
        <menu>
            <item
                android:id="@+id/nav_smoke"
                android:icon="@drawable/ic_smoking_rooms_black_24dp"
                android:title="Smth" />

        </menu>
    </item>

</menu>