Android Open Source - MaterialTabHost Sample Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 Copyright (C) 2014 Yuki Anzai anzai.y.aa@gmail.com
 */*ww w.  j a  v  a 2  s  .  c  om*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.yanzm.mth.sample;

import android.os.Bundle;
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.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import net.yanzm.mth.MaterialTabHost;

import java.util.Locale;

public class SampleActivity extends ActionBarActivity {

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

        if (getSupportActionBar() != null) {
            getSupportActionBar().setElevation(0);
        }

        MaterialTabHost tabHost = (MaterialTabHost) findViewById(android.R.id.tabhost);
        tabHost.setType(MaterialTabHost.Type.FullScreenWidth);
//        tabHost.setType(MaterialTabHost.Type.Centered);
//        tabHost.setType(MaterialTabHost.Type.LeftOffset);

        SectionsPagerAdapter pagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
        for (int i = 0; i < pagerAdapter.getCount(); i++) {
            tabHost.addTab(pagerAdapter.getPageTitle(i));
        }

        final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
        viewPager.setAdapter(pagerAdapter);
        viewPager.setOnPageChangeListener(tabHost);

        tabHost.setOnTabChangeListener(new MaterialTabHost.OnTabChangeListener() {
            @Override
            public void onTabSelected(int position) {
                viewPager.setCurrentItem(position);
            }
        });
    }

    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).
            return PlaceholderFragment.newInstance(position + 1);
        }

        @Override
        public int getCount() {
            // Show 3 total pages.
            return 3;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            Locale l = Locale.getDefault();
            switch (position) {
                case 0:
                    return getString(R.string.title_section1).toUpperCase(l);
                case 1:
                    return getString(R.string.title_section2).toUpperCase(l);
                case 2:
                    return getString(R.string.title_section3).toUpperCase(l);
            }
            return null;
        }
    }

    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";

        /**
         * 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;
        }

        public PlaceholderFragment() {
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_sample, container, false);
            TextView tv = (TextView) rootView.findViewById(R.id.section_label);
            tv.setText("Here is page " + getArguments().getInt(ARG_SECTION_NUMBER));
            return rootView;
        }
    }
}

Java Source Code List

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