Java tutorial
/* * Copyright 2014 Artem Chikin * Copyright 2014 Artem Herasymchuk * Copyright 2014 Tom Krywitsky * Copyright 2014 Henry Pabst * Copyright 2014 Bradley Simons * * 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 ca.ualberta.cmput301w14t08.geochan.fragments; import java.util.ArrayList; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import ca.ualberta.cmput301w14t08.geochan.R; import ca.ualberta.cmput301w14t08.geochan.adapters.ThreadListAdapter; import ca.ualberta.cmput301w14t08.geochan.models.FavouritesLog; import ca.ualberta.cmput301w14t08.geochan.models.ThreadComment; /** * Display the user's favourited threadComments in a list using * ThreadListAdapter. Allow user to browse and enter threadComments. * * @author Artem Chikin * */ public class FavouriteThreadsFragment extends Fragment { private ArrayList<ThreadComment> list; private FavouritesLog log; private ListView favouritesListView; /** * Initializes the log and list member variables. * @param savedInstanceState The previously saved state of the fragment. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); log = FavouritesLog.getInstance(getActivity()); list = log.getThreads(); } /** * Set up the fragment's View. * * @param inflater The LayoutInflater used to inflate the fragment's UI. * @param container The parent View that the fragment's UI is attached to. * @param savedInstanceState The previously saved state of the fragment. * @return The View for the fragment's UI. * */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_favourites_list, container, false); } /** * Set up the listView, adapter and listen for list item clicks. */ @Override public void onStart() { super.onStart(); favouritesListView = (ListView) getView().findViewById(R.id.favourites_list); ThreadListAdapter adapter = new ThreadListAdapter(getActivity(), list); // Assign custom adapter to the thread listView. favouritesListView.setAdapter(adapter); favouritesListView.setOnItemClickListener(new OnItemClickListener() { @Override /* * On click, launch the fragment responsible for thread viewing */ public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Fragment fragment = new ThreadViewFragment(); Bundle bundle = new Bundle(); bundle.putParcelable("thread", list.get((int) id)); fragment.setArguments(bundle); getFragmentManager().beginTransaction().replace(R.id.container, fragment, "thread_view_fragment") .addToBackStack(null).commit(); getFragmentManager().executePendingTransactions(); } }); adapter.notifyDataSetChanged(); } }