public class MainActivity extends AppCompatActivity {

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

    TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
    tabLayout.addTab(tabLayout.newTab().setText("List"));
    tabLayout.addTab(tabLayout.newTab().setText("CheckBox"));

    tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);

    final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
    final PagesAdapter adapter = new PagesAdapter
            (getSupportFragmentManager(), tabLayout.getTabCount());
    viewPager.setAdapter(adapter);
    viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));

    tabLayout.setOnTabSelectedListener(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) {

        }
    });
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu_main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();
    if (id == R.id.action_settings) {
        return true;
    }

    return super.onOptionsItemSelected(item);
}
}

public class ListFragment extends Fragment {

private ListView mListView;
private EditText mInputSearch;

private ArrayList<String> mList;
private ArrayAdapter<String> mAdapter;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mList = new ArrayList<String>();
    fillArray();

//        mAdapter = new ArrayAdapter<String>    ((getActivity().getParent()).getApplicationContext(),
 //                android.R.layout.simple_list_item_1, mList);
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.activity_list, container, false);
    mListView = (ListView) v.findViewById(R.id.listView);
    mInputSearch = (EditText) v.findViewById(R.id.inputSearch);

 //        mListView.setAdapter(mAdapter);

    return v; }

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);



    mInputSearch.addTextChangedListener(new TextWatcher() {

        @Override
        public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) {
            // When user changed the Text
            ListFragment.this.mAdapter.getFilter().filter(cs);
        }

        @Override
        public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
                                      int arg3) {
            // TODO Auto-generated method stub
        }

        @Override
        public void afterTextChanged(Editable arg0) {
            // TODO Auto-generated method stub
        }
    });
}

private void fillArray() {

    mList.add("Lorem");
    mList.add("Ipsum");
    mList.add("Dolor");
    mList.add("Sit");
    mList.add("Amet");
    mList.add("Consectetur");
    mList.add("Adipiscing");
    mList.add("Elit");
    mList.add("Fusce");
    mList.add("Pharetra");
    mList.add("Luctus");
    mList.add("Sodales");

    Collections.sort(mList);
}
}

public class CheckBoxFragment extends Fragment {

private CheckBox mCheckBox13, mCheckBox42, mCheckBox121;
private TextView mTextViewForFont, mTextViewSum;

private int mSumCounter;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.activity_checkbox, container, false);
    mCheckBox13 = (CheckBox)v.findViewById(R.id.checkBox13);
    mCheckBox42 = (CheckBox)v.findViewById(R.id.checkBox42);
    mCheckBox121 = (CheckBox)v.findViewById(R.id.checkBox121);

    mTextViewForFont = (TextView)v.findViewById(R.id.textViewForFont);
    mTextViewSum = (TextView) v.findViewById(R.id.textViewSum);

    Typeface face = Typeface.createFromAsset(getActivity().getAssets(), "fonts/verdanab.ttf");
    mTextViewForFont.setTypeface(face);

    return v;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    mCheckBox13.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

            if (isChecked) {
                mSumCounter += 13;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            }else {
                mSumCounter-=13;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            }
        }
    });

    mCheckBox42.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

            if (isChecked) {
                mSumCounter += 42;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            }else {
                mSumCounter -= 42;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            }
        }
    });

    mCheckBox121.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

            if (isChecked) {
                mSumCounter += 121;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            } else {
                mSumCounter -= 121;
                mTextViewSum.setText("Sum = " + String.valueOf(mSumCounter));
            }
        }
    });
}
}