Java tutorial
/* * Copyright 2012 GitHub Inc. * * 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 com.github.mobile.ui.repo; import android.app.Activity; import android.os.Bundle; import android.support.v4.content.Loader; import android.text.TextUtils; import android.view.View; import android.widget.ListView; import com.github.kevinsawicki.wishlist.SingleTypeAdapter; import com.github.mobile.R.string; import com.github.mobile.ThrowableLoader; import com.github.mobile.core.repo.RefreshRepositoryTask; import com.github.mobile.ui.ItemListFragment; import com.google.inject.Inject; import java.io.IOException; import java.text.MessageFormat; import java.util.Collections; import java.util.List; import org.eclipse.egit.github.core.Repository; import org.eclipse.egit.github.core.RepositoryId; import org.eclipse.egit.github.core.SearchRepository; import org.eclipse.egit.github.core.service.RepositoryService; /** * Fragment to display a list of {@link SearchRepository} instances */ public class SearchRepositoryListFragment extends ItemListFragment<SearchRepository> { @Inject private RepositoryService service; private String query; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setEmptyText(string.no_repositories); } /** * @param query * @return this fragment */ public SearchRepositoryListFragment setQuery(final String query) { this.query = query; return this; } @Override public void onListItemClick(ListView l, View v, int position, long id) { final SearchRepository result = (SearchRepository) l.getItemAtPosition(position); new RefreshRepositoryTask(getActivity(), result) { @Override public void execute() { showIndeterminate(MessageFormat.format(getString(string.opening_repository), result.generateId())); super.execute(); } @Override protected void onSuccess(Repository repository) throws Exception { super.onSuccess(repository); startActivity(RepositoryViewActivity.createIntent(repository)); } }.execute(); } /** * Check if the search query is an exact repository name/owner match and * open the repository activity and finish the current activity when it is * * @param query * @return true if query opened as repository, false otherwise */ private boolean openRepositoryMatch(final String query) { if (TextUtils.isEmpty(query)) return false; RepositoryId repoId = RepositoryId.createFromId(query.trim()); if (repoId == null) return false; Repository repo; try { repo = service.getRepository(repoId); } catch (IOException e) { return false; } startActivity(RepositoryViewActivity.createIntent(repo)); final Activity activity = getActivity(); if (activity != null) activity.finish(); return true; } @Override public Loader<List<SearchRepository>> onCreateLoader(int id, Bundle args) { return new ThrowableLoader<List<SearchRepository>>(getActivity(), items) { @Override public List<SearchRepository> loadData() throws Exception { if (openRepositoryMatch(query)) return Collections.emptyList(); else return service.searchRepositories(query); } }; } @Override protected int getErrorMessage(Exception exception) { return string.error_repos_load; } @Override protected SingleTypeAdapter<SearchRepository> createAdapter(List<SearchRepository> items) { return new SearchRepositoryListAdapter(getActivity().getLayoutInflater(), items.toArray(new SearchRepository[items.size()])); } }