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AppBar ViewPager with  Tab layout in android 


XML :

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/mainrelative_layout_id"
    android:background="@color/colorPrimary"
    android:theme="@style/Appthemnoactionbar"
    android:layout_height="match_parent"
    tools:context="com.ruhul.scanner.Fragment_Activity.ListFragment">



    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/tablayoutid"
        android:layout_width="match_parent"
        android:background="@color/colorPrimary"
        android:layout_height="?actionBarSize">


        <com.google.android.material.tabs.TabLayout
            app:tabIndicatorColor="#0026FF"
            app:tabSelectedTextColor="#000"
            android:id="@+id/tab_id"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </com.google.android.material.tabs.TabLayout>

    </com.google.android.material.appbar.AppBarLayout>

    <androidx.viewpager.widget.ViewPager

        android:id="@+id/viewpagerid"
        android:layout_below="@id/tablayoutid"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </androidx.viewpager.widget.ViewPager>

    <LinearLayout
        android:id="@+id/banner_container"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent" />

</RelativeLayout>


package com.ruhul.scanner.Fragment_Activity;

import android.os.Bundle;

import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;

import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.Toast;

import com.ruhul.scanner.R;
import com.ruhul.scanner.adapter.Tabaccesser_adapter;
import com.ruhul.scanner.tab_fragment.CreateFragment;
import com.ruhul.scanner.tab_fragment.ScancodehistoryFragment;
import com.facebook.ads.Ad;
import com.facebook.ads.AdError;
import com.facebook.ads.AdListener;
import com.facebook.ads.AdSize;
import com.facebook.ads.AdView;
import com.facebook.ads.AudienceNetworkAds;
import com.facebook.ads.InterstitialAd;
import com.facebook.ads.InterstitialAdListener;
import com.google.android.material.tabs.TabLayout;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import static android.content.ContentValues.TAG;


/**
 * A simple {@link Fragment} subclass.
 */
public class ListFragment extends Fragment implements TabLayout.OnTabSelectedListener {

    private View view;
    private TabLayout tabLayout;
    private ViewPager viewPager;

    //banner
    private AdView adView;

    private Handler handler;


    //interstitial add-------
    private InterstitialAd interstitialAd;

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


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        view= inflater.inflate(R.layout.fragment_list, container, false);
        tabLayout=view.findViewById(R.id.tab_id);
        viewPager=view.findViewById(R.id.viewpagerid);





        handler = new Handler();



        //interstial add initialize

        interstitialAd = new InterstitialAd(getContext(), "763141957634732_771705420111719");//real interstial id





        //banner add
        adView = new AdView(getContext(), "763141957634732_771707073444887", AdSize.BANNER_HEIGHT_50);

        // Find the Ad Container
        LinearLayout adContainer = (LinearLayout) view.findViewById(R.id.banner_container);

        // Add the ad view to your activity layout
        adContainer.addView(adView);

        // Request an ad
        adView.loadAd();

        AdListener adListener = new AdListener() {
            @Override
            public void onError(Ad ad, AdError adError) {
                // Ad error callback
                Toast.makeText(getContext(), "Error: " + adError.getErrorMessage(), Toast.LENGTH_LONG).show();
            }

            @Override
            public void onAdLoaded(Ad ad) {
                // Ad loaded callback
            }

            @Override
            public void onAdClicked(Ad ad) {
                // Ad clicked callback
            }

            @Override
            public void onLoggingImpression(Ad ad) {
                // Ad impression logged callback
            }
        };

        // Request an ad
        adView.loadAd(adView.buildLoadAdConfig().withAdListener(adListener).build());




        Tabaccesser_adapter adapter = new Tabaccesser_adapter(getFragmentManager());
        adapter.addFragment(new CreateFragment());
        adapter.addFragment(new ScancodehistoryFragment());
        viewPager.setAdapter(adapter);
        viewPager.setOffscreenPageLimit(1);
        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));

        tabLayout.setupWithViewPager(viewPager);


//        ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
//
//        scheduler.scheduleWithFixedDelay(new Runnable() {
//            public void run() {
//
//
//
//                // Create listeners for the Interstitial Ad
//                InterstitialAdListener interstitialAdListener = new InterstitialAdListener() {
//                    @Override
//                    public void onInterstitialDisplayed(Ad ad) {
//                        // Interstitial ad displayed callback
//                        Log.e("TAG", "Interstitial ad displayed.");
//                    }
//
//                    @Override
//                    public void onInterstitialDismissed(Ad ad) {
//                        // Interstitial dismissed callback
//                        Log.e(TAG, "Interstitial ad dismissed.");
//                    }
//
//                    @Override
//                    public void onError(Ad ad, AdError adError) {
//                        // Ad error callback
//                        Log.e(TAG, "Interstitial ad failed to load: " + adError.getErrorMessage());
//                    }
//
//                    @Override
//                    public void onAdLoaded(Ad ad) {
//                        // Interstitial ad is loaded and ready to be displayed
//                        Log.d(TAG, "Interstitial ad is loaded and ready to be displayed!");
//                        // Show the ad
//                        interstitialAd.show();
//                    }
//
//                    @Override
//                    public void onAdClicked(Ad ad) {
//                        // Ad clicked callback
//                        Log.d(TAG, "Interstitial ad clicked!");
//                    }
//
//                    @Override
//                    public void onLoggingImpression(Ad ad) {
//                        // Ad impression logged callback
//                        Log.d(TAG, "Interstitial ad impression logged!");
//                    }
//                };
//
//                // For auto play video ads, it's recommended to load the ad
//                // at least 30 seconds before it is shown
//                if(interstitialAd.isAdInvalidated()) {
//                    return;
//                }
//                interstitialAd.loadAd(interstitialAd.buildLoadAdConfig().withAdListener(interstitialAdListener).build());
//
//
//
//
//
//            }
//
//
//
//
//        }, 1, 1, TimeUnit.MINUTES);

        // Create listeners for the Interstitial Ad
        InterstitialAdListener interstitialAdListener = new InterstitialAdListener() {
            @Override
            public void onInterstitialDisplayed(Ad ad) {
                // Interstitial ad displayed callback
                Log.e(TAG, "Interstitial ad displayed.");
            }

            @Override
            public void onInterstitialDismissed(Ad ad) {
                // Interstitial dismissed callback
                Log.e(TAG, "Interstitial ad dismissed.");
            }

            @Override
            public void onError(Ad ad, AdError adError) {
                // Ad error callback
                Log.e(TAG, "Interstitial ad failed to load: " + adError.getErrorMessage());
            }

            @Override
            public void onAdLoaded(Ad ad) {
                // Interstitial ad is loaded and ready to be displayed
                Log.d(TAG, "Interstitial ad is loaded and ready to be displayed!");
                // Show the ad
                //interstitialAd.show();

                showAdWithDelay();



            }

            @Override
            public void onAdClicked(Ad ad) {
                // Ad clicked callback
                Log.d(TAG, "Interstitial ad clicked!");
            }

            @Override
            public void onLoggingImpression(Ad ad) {
                // Ad impression logged callback
                Log.d(TAG, "Interstitial ad impression logged!");
            }
        };


        // For auto play video ads, it's recommended to load the ad
        // at least 30 seconds before it is shown
        interstitialAd.loadAd(interstitialAd.buildLoadAdConfig().withAdListener(interstitialAdListener).build());


        return view;
    }





    private void showAdWithDelay() {
        /**
         * Here is an example for displaying the ad with delay;
         * Please do not copy the Handler into your project
         */
        // Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            public void run() {
                // Check if interstitialAd has been loaded successfully
                if(interstitialAd == null || !interstitialAd.isAdLoaded()) {
                    return;
                }
                // Check if ad is already expired or invalidated, and do not show ad if that is the case. You will not get paid to show an invalidated ad.
                if(interstitialAd.isAdInvalidated()) {
                    return;
                }
                // Show the ad
                interstitialAd.show();
            }
        }, 1000 * 60 * 4); // Show the ad after 15 minutes
    }




    @Override
    public void onTabSelected(TabLayout.Tab tab) {

        viewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(TabLayout.Tab tab) {

    }

    @Override
    public void onTabReselected(TabLayout.Tab tab) {

    }


    @Override
    public void onDestroy() {
        if (adView != null) {
            adView.destroy();
        }
        if (interstitialAd != null) {
            interstitialAd.destroy();
        }
        super.onDestroy();
    }
}

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