A comprehensive how to on Tab layout for android

//activity_main.xml <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <com.google.android.material.appbar.AppBarLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"> <com.google.android.material.tabs.TabLayout android:id="@+id/tab_layout" android:layout_width="match_parent" android:layout_height="wrap_content" /> </com.google.android.material.appbar.AppBarLayout> Pager android:id="@+id/view_pager" android:layout_width="match_parent" android:layout_height="match_parent" /> </androidx.coordinatorlayout.widget.CoordinatorLayout> 

//MainActivity.java public class MainActivity extends AppCompatActivity { private TabLayout tabLayout; private ViewPager viewPager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tabLayout = findViewById(R.id.tab_layout); viewPager = findViewById(R.id.view_pager); tabLayout.addTab(tabLayout.newTab().setText("Purchase Tickets")); tabLayout.addTab(tabLayout.newTab().setText("Profile")); tabLayout.addTab(tabLayout.newTab().setText("Past Bookings")); final PagerAdapter adapter = new PagerAdapter(getSupportFragmentManager(), tabLayout.getTabCount()); viewPager.setAdapter(adapter); viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout)); tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() { @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) {} }); } } 

//PagerAdapter.java public class PagerAdapter extends FragmentPagerAdapter { private int numOfTabs; public PagerAdapter(FragmentManager fm, int numOfTabs) { super(fm); this.numOfTabs = numOfTabs; } @Override public Fragment getItem(int position) { (position) { case 0: return new PurchaseTicketsFragment(); case 1: return new ProfileFragment(); case 2: return new PastBookingsFragment(); default: return null; } } @Override public int getCount() { return numOfTabs; } } 

//fragment_purchase_tickets.xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:padding="16dp"> <EditText android:id="@+id/name" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="Name" /> <EditText android:id="@+id/age" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="Age" android:inputType="number" /> <DatePicker android:id="@+id/date_picker" android:layout_width="match_parent" android:layout_height="wrap_content" /> <TimePicker android:id="@+id/time_picker" android:layout_width="match_parent" android:layout_height="wrap_content" android:timePickerMode="spinner" /> <Spinner android:id="@+id/seat_type_spinner" android:layout_width="match_parent" android:layout_height="wrap_content" android:entries="@array/seat_types" /> <!-- Add other fields using checkboxes, radio buttons, context menus, and popup menus here --> <Button android:id="@+id/submit_button" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Submit" /> </LinearLayout> 

//PurchaseTicketsFragment.java public class PurchaseTicketsFragment extends Fragment { private EditText nameEditText, ageEditText; private DatePicker datePicker; private TimePicker timePicker; private Spinner seatTypeSpinner; private Button submitButton; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_purchase_tickets, container, false); nameEditText = view.findViewById(R.id.name); ageEditText = view.findViewById(R.id.age); datePicker = view.findViewById(R.id.date_picker); timePicker = view.findViewById(R.id.time_picker); seatTypeSpinner = view.findViewById(R.id.seat_type_spinner); submitButton = view.findViewById(R.id.submit_button); submitButton.setOnClickListener(v -> submitTicket()); return view; } private void submitTicket() { String name = nameEditText.getText().toString(); String age = ageEditText.getText().toString(); String date = datePicker.getDayOfMonth() + "/" + (datePicker.getMonth() + 1) + "/" + datePicker.getYear(); String time = timePicker.getHour() + ":" + timePicker.getMinute(); String seatType = seatTypeSpinner.getSelectedItem().toString(); // Handle ticket submission logic here // Navigate to ticket printing activity Intent intent = new Intent(getActivity(), TicketPrintingActivity.class); intent.putExtra("name", name); intent.putExtra("age", age); intent.putExtra("date", date); intent.putExtra("time", time); intent.putExtra("seatType", seatType); startActivity(intent); } }