Car.java

package com.example.android.bfit;


import android.content.Context;
import android.content.Intent;
import android.support.design.widget.TabLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageButton;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import android.widget.TextView;

public class Car extends AppCompatActivity {
    FragmentTransaction fragmentTransaction;

    ImageButton back10;
    ImageButton sharecar;

    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide
     * fragments for each of the sections. We use a
     * {@link FragmentPagerAdapter} derivative, which will keep every
     * loaded fragment in memory. If this becomes too memory intensive, it
     * may be best to switch to a
     * {@link android.support.v4.app.FragmentStatePagerAdapter}.
     */
    private SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    private ViewPager mViewPager;

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

        // change the color of statue bar
        if (android.os.Build.VERSION.SDK_INT>= 21){
            Window window= this.getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.setStatusBarColor(this.getResources().getColor(R.color.Green));
        }

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar2);
        setSupportActionBar(toolbar);

        // for images button create
        sharecar=findViewById(R.id.sharecar);
        ImageButton back3=(ImageButton)findViewById(R.id.Back10);
        final Context context=this;
        back3.setImageResource(R.drawable.ic_arrow_forward_black_24dp);

        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.container2);
        mViewPager.setAdapter(mSectionsPagerAdapter);
// for car fragments (Day, month, year, week)
        fragmentTransaction=getSupportFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.container2, new cardayFragment());
        fragmentTransaction.commit();
        getSupportActionBar().setTitle("Day"); // for day

        fragmentTransaction=getSupportFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.container2, new carmonthFragment());
        fragmentTransaction.commit();
        getSupportActionBar().setTitle("Month"); // for month

        fragmentTransaction=getSupportFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.container2, new carweekFragment());
        fragmentTransaction.commit();
        getSupportActionBar().setTitle("Week"); // for week

        fragmentTransaction=getSupportFragmentManager().beginTransaction();
        fragmentTransaction.add(R.id.container2, new caryearFragment());
        fragmentTransaction.commit();
        getSupportActionBar().setTitle("Year"); // for week

        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs10);
        tabLayout.addTab(tabLayout.newTab().setText("Day"));
        tabLayout.addTab(tabLayout.newTab().setText("Week"));
        tabLayout.addTab(tabLayout.newTab().setText("Month"));
        tabLayout.addTab(tabLayout.newTab().setText("Year"));

        mViewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
        tabLayout.addOnTabSelectedListener(new TabLayout.ViewPagerOnTabSelectedListener(mViewPager));

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

    }

    public void back10 (View v) { // for the back button
        Intent mainpage= new Intent(this,MainPage.class);
        startActivity(mainpage);
    }
public void sharecar(View view) { // for share car button

    Intent myintent= new Intent(Intent.ACTION_SEND);
    myintent.setType("Data");
    String Sharebody="Your body here";
    String sharesub="Your object here";
    myintent.putExtra(Intent.EXTRA_TEXT,Sharebody);
    myintent.putExtra(Intent.EXTRA_SUBJECT,sharesub);
    startActivity(Intent.createChooser(myintent,"Share Using"));



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

        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {
        /**
         * The fragment argument representing the section number for this
         * fragment.
         */
        private static final String ARG_SECTION_NUMBER = "section_number";

        public PlaceholderFragment() {
        }

        /**
         * Returns a new instance of this fragment for the given section
         * number.
         */
        public static PlaceholderFragment newInstance(int sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_car, container, false);
            TextView textView = (TextView) rootView.findViewById(R.id.section_label);
            textView.setText(getString(R.string.section_format, getArguments().getInt(ARG_SECTION_NUMBER)));
            return rootView;
        }
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
     * one of the sections/tabs/pages.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            // getItem is called to instantiate the fragment for the given page.
            // Return a PlaceholderFragment (defined as a static inner class below).
            switch (position) {
                case 0:
                    cardayFragment cardayFragment = new cardayFragment();
                    return cardayFragment;
                case 1:
                    carweekFragment carweekFragment = new carweekFragment();
                    return carweekFragment;
                case 2:
                    carmonthFragment carmonthFragment = new carmonthFragment();
                    return carmonthFragment;
                case 3:
                    caryearFragment caryearFragment = new caryearFragment();
                    return caryearFragment;
                default:
                    return null;
            }
        }

        @Override
        public int getCount() {
            // Show 4 total pages.
            return 4;
        }
    }
}