Java tutorial
package vn.com.vng.phim123; /* * Copyright 2012 The Android Open Source Project * * 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. */ import java.util.ArrayList; import java.util.List; import vn.com.vng.phim123.adapter.FilmListAdapter; import vn.com.vng.phim123.controller.DataRequestCallback; import vn.com.vng.phim123.model.FilmInfo; import vn.com.vng.phim123.network.Phim123Requests; import android.app.ActionBar; import android.app.FragmentTransaction; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; public class HomeActivity extends FragmentActivity implements ActionBar.TabListener { /** * The {@link android.support.v4.view.PagerAdapter} that will provide fragments for each of the * three primary sections of the app. We use a {@link android.support.v4.app.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}. */ AppSectionsPagerAdapter mAppSectionsPagerAdapter; /** * The {@link ViewPager} that will display the three primary sections of the app, one at a * time. */ ViewPager mViewPager; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.home_activity); // Create the adapter that will return a fragment for each of the three primary sections // of the app. mAppSectionsPagerAdapter = new AppSectionsPagerAdapter(getSupportFragmentManager()); // Set up the action bar. final ActionBar actionBar = getActionBar(); // Specify that the Home/Up button should not be enabled, since there is no hierarchical // parent. actionBar.setHomeButtonEnabled(true); // Specify that we will be displaying tabs in the action bar. actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // Set up the ViewPager, attaching the adapter and setting up a listener for when the // user swipes between sections. mViewPager = (ViewPager) findViewById(R.id.pager); mViewPager.setAdapter(mAppSectionsPagerAdapter); mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { // When swiping between different app sections, select the corresponding tab. // We can also use ActionBar.Tab#select() to do this if we have a reference to the // Tab. actionBar.setSelectedNavigationItem(position); } }); // For each of the sections in the app, add a tab to the action bar. for (int i = 0; i < mAppSectionsPagerAdapter.getCount(); i++) { // Create a tab with text corresponding to the page title defined by the adapter. // Also specify this Activity object, which implements the TabListener interface, as the // listener for when this tab is selected. actionBar.addTab( actionBar.newTab().setText(mAppSectionsPagerAdapter.getPageTitle(i)).setTabListener(this)); } } @Override public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } @Override public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { // When the given tab is selected, switch to the corresponding page in the ViewPager. mViewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } /** * A {@link FragmentPagerAdapter} that returns a fragment corresponding to one of the primary * sections of the app. */ public static class AppSectionsPagerAdapter extends FragmentPagerAdapter { public AppSectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int i) { switch (i) { case 0: return new FilmShowingFragment(); case 1: return new FilmComingFragment(); default: // The other sections of the app are dummy placeholders. Fragment fragment = new DummySectionFragment(); Bundle args = new Bundle(); args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, i + 1); fragment.setArguments(args); return fragment; } } @Override public int getCount() { return 5; } @Override public CharSequence getPageTitle(int position) { String title; switch (position) { case 0: title = "Phim ang chiu"; //title = R.string.film_showing; break; case 1: title = "Phim sp chiu"; break; case 2: title = "Rp"; break; case 3: title = "Khuyn mi"; break; case 4: title = "Ti khon"; break; default: title = "Phim ang chiu"; break; } return title; } } /** * FILM SHOWING FRAGMENT */ public static class FilmShowingFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View rootView = inflater.inflate(R.layout.home_film_fragment, container, false); final ListView mainListView = (ListView) rootView.findViewById(R.id.mainListView); Phim123Requests.getListFilms(rootView.getContext(), new DataRequestCallback<ArrayList<FilmInfo>>() { @Override public void onResult(ArrayList<FilmInfo> result, boolean waiting) { if (result != null && !result.isEmpty()) { List<FilmInfo> filmList = new ArrayList<FilmInfo>(); for (int i = 0; i < result.size(); i++) if (result.get(i).getStatusId() == 2) filmList.add(result.get(i)); FilmListAdapter adapter = new FilmListAdapter(rootView.getContext(), R.layout.home_film_list_item, filmList); mainListView.setAdapter(adapter); } } }); return rootView; } } /** * FILM SHOWING FRAGMENT */ public static class FilmComingFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View rootView = inflater.inflate(R.layout.home_film_fragment, container, false); final ListView mainListView = (ListView) rootView.findViewById(R.id.mainListView); Phim123Requests.getListFilms(rootView.getContext(), new DataRequestCallback<ArrayList<FilmInfo>>() { @Override public void onResult(ArrayList<FilmInfo> result, boolean waiting) { if (result != null && !result.isEmpty()) { List<FilmInfo> filmList = new ArrayList<FilmInfo>(); for (int i = 0; i < result.size(); i++) if (result.get(i).getStatusId() == 1) filmList.add(result.get(i)); FilmListAdapter adapter = new FilmListAdapter(rootView.getContext(), R.layout.home_film_list_item, filmList); mainListView.setAdapter(adapter); } } }); return rootView; } } /** * A dummy fragment representing a section of the app, but that simply displays dummy text. */ public static class DummySectionFragment extends Fragment { public static final String ARG_SECTION_NUMBER = "section_number"; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.activity_main, container, false); return rootView; } } }