Java tutorial
/* DroidBeard - a free, open-source Android app for managing SickBeard Copyright (C) 2014-2015 Robert Carr This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/. */ package com.rastating.droidbeard.fragments; import android.app.FragmentManager; import android.os.Bundle; import android.support.v4.widget.SwipeRefreshLayout; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import com.github.clans.fab.FloatingActionMenu; import com.rastating.droidbeard.Preferences; import com.rastating.droidbeard.R; import com.rastating.droidbeard.entities.TVShowSummary; import com.rastating.droidbeard.adapters.TVShowSummaryAdapter; import com.rastating.droidbeard.net.ApiResponseListener; import com.rastating.droidbeard.net.FetchShowSummariesTask; import com.rastating.droidbeard.net.SickbeardAsyncTask; public class ShowsFragment extends ListViewFragment implements ApiResponseListener<TVShowSummary[]> { private TVShowSummaryAdapter mAdapter; private boolean mLoading; private boolean mArgumentsRead; private SwipeRefreshLayout swipeRefreshLayout; FloatingActionMenu floatingActionsMenu; public ShowsFragment() { setTitle(R.string.app_name); } public void setFloatingActionMenu(FloatingActionMenu floatingActionsMenu) { this.floatingActionsMenu = floatingActionsMenu; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View root = super.onCreateView(inflater, container, savedInstanceState); swipeRefreshLayout = (SwipeRefreshLayout) root.findViewById(R.id.swipe_refresh_layout); swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { onRefreshButtonPressed(); swipeRefreshLayout.setRefreshing(true); } }); swipeRefreshLayout.setColorSchemeResources(R.color.materialPrimaryDark, R.color.materialPrimary, R.color.navigation_list_item_selected, R.color.unaired_episode_background); Bundle args = getArguments(); if (args != null && !mArgumentsRead && args.getBoolean("resetAdapter", false)) { mAdapter = null; mArgumentsRead = true; } if (mAdapter != null) { setAdapter(mAdapter); showListView(true); } else { onRefreshButtonPressed(); } setDivider(R.color.divider, 1); return root; } @Override public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { view.setSelected(true); TVShowSummary show = mAdapter.getItem(position); if (show != null) { FragmentManager manager = this.getFragmentManager(); ShowFragment fragment = new ShowFragment(); fragment.setTvShowSummary(show); manager.beginTransaction().replace(R.id.container, fragment).commit(); } if (floatingActionsMenu != null) { floatingActionsMenu.setVisibility(View.INVISIBLE); } } @Override public void onApiRequestFinished(SickbeardAsyncTask sender, TVShowSummary[] objects) { if (activityStillExists()) { mLoading = false; if (objects != null) { Preferences preferences = new Preferences(getActivity()); LayoutInflater inflater = getActivity().getLayoutInflater(); int layoutID = preferences.getShowBannersInShowList() ? R.layout.tv_show_list_banner_item : R.layout.tv_show_list_item; mAdapter = TVShowSummaryAdapter.createInstance(this.getActivity(), inflater, layoutID, objects); setAdapter(mAdapter); showListView(); } else { showError(getString(R.string.error_fetching_show_list), sender.getLastException()); } } } @Override public void onRefreshButtonPressed() { if (!mLoading) { mLoading = true; // Show the loading animation during the initial loading of the fragment. if (mAdapter == null) { showLoadingAnimation(); } FetchShowSummariesTask task = new FetchShowSummariesTask(getMainActivity()); task.addResponseListener(this); task.start(); if (swipeRefreshLayout != null) { swipeRefreshLayout.post(new Runnable() { @Override public void run() { swipeRefreshLayout.setRefreshing(false); } }); } } } }