ReadIt---Android-App/MainActivity.java at main · ZohebHasan/ReadIt---Android-App · GitHub

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package com.example.readit;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.viewpager.widget.ViewPager;

import android.os.Bundle;


import com.google.android.material.tabs.TabItem;
import com.google.android.material.tabs.TabLayout;

public class MainActivity extends AppCompatActivity {
    TabLayout tabLayout;
    TabItem home, technology, science, health, entertainment, sports;
    PagerAdapter pagerAdapter;
    Toolbar toolbar;

    String apiKey = "14743ceffafd4a93a409776a41a9379f";

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


        toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        home = findViewById(R.id.home);
        technology = findViewById(R.id.technology);
        science = findViewById(R.id.science);
        health = findViewById(R.id.health);
        entertainment = findViewById(R.id.entertainment);
        sports = findViewById(R.id.sports);

        ViewPager viewPager = findViewById(R.id.fragmentContainer);
        tabLayout = findViewById(R.id.include);

        pagerAdapter = new PagerAdapter(getSupportFragmentManager(), 6);
        viewPager.setAdapter(pagerAdapter);
        tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {

            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                viewPager.setCurrentItem(tab.getPosition());
                if(tab.getPosition() >= 0 && tab.getPosition() <= 5)
                    pagerAdapter.notifyDataSetChanged();
            }

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

            }

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

            }
        });
        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));

    }
}