Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2015 John Schember <john@nachtimwald.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.nachtimwald.android.serviceexplorer; import android.app.SearchManager; import android.content.Context; import android.support.design.widget.TabLayout; 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.AppCompatActivity; import android.os.Bundle; import android.support.v7.widget.SearchView; import android.view.Menu; import android.view.MenuInflater; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity implements SearchView.OnQueryTextListener { private ViewPagerAdapter mViewAdapter; public interface FragmentFilterer { public void doFilter(String filter); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager); mViewAdapter = new ViewPagerAdapter(getSupportFragmentManager()); mViewAdapter.addFrag(ServiceListFragment.newInstance(true), "All"); mViewAdapter.addFrag(ServiceListFragment.newInstance(false), "Running"); viewPager.setAdapter(mViewAdapter); TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs); tabLayout.setupWithViewPager(viewPager); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu_options, menu); SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView(); searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName())); searchView.setSubmitButtonEnabled(true); searchView.setOnQueryTextListener(this); return super.onCreateOptionsMenu(menu); } @Override public boolean onQueryTextSubmit(String query) { return false; } @Override public boolean onQueryTextChange(String newText) { if (mViewAdapter == null) return false; for (int i = 0; i < mViewAdapter.getCount(); i++) { Fragment f = mViewAdapter.getItem(i); if (f instanceof ServiceListFragment) { ((ServiceListFragment) f).doFilter(newText); } } return true; } private class ViewPagerAdapter extends FragmentPagerAdapter { private final List<Fragment> mFragmentList = new ArrayList<>(); private final List<String> mFragmentTitleList = new ArrayList<>(); public ViewPagerAdapter(FragmentManager manager) { super(manager); } @Override public Fragment getItem(int position) { return mFragmentList.get(position); } @Override public int getCount() { return mFragmentList.size(); } @Override public CharSequence getPageTitle(int position) { return mFragmentTitleList.get(position); } public void addFrag(Fragment fragment, String title) { mFragmentList.add(fragment); mFragmentTitleList.add(title); } } }