Java tutorial
/* * Copyright 2016 Google Inc. All Rights Reserved. * * 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.hyperaware.conference.android.fragment; import android.app.Activity; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.text.format.DateUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.TextView; import com.bumptech.glide.Glide; import com.google.firebase.auth.FirebaseAuth; import com.google.firebase.auth.FirebaseUser; import com.google.firebase.database.FirebaseDatabase; import com.hyperaware.conference.android.R; import com.hyperaware.conference.android.Singletons; import com.hyperaware.conference.android.activity.ContentHost; import com.hyperaware.conference.android.logging.Logging; import com.hyperaware.conference.android.ui.favsession.FavSessionButtonManager; import com.hyperaware.conference.android.util.AgendaItems; import com.hyperaware.conference.android.util.Strings; import com.hyperaware.conference.model.AgendaItem; import com.hyperaware.conference.model.AgendaSection; import com.hyperaware.conference.model.Event; import com.hyperaware.conference.model.SpeakerItem; import com.hyperaware.conference.model.SpeakersSection; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Formatter; import java.util.TimeZone; import java.util.logging.Logger; import de.halfbit.tinybus.Bus; import de.halfbit.tinybus.Subscribe; public class SpeakerDetailFragment extends Fragment implements Titled { private static final Logger LOGGER = Logging.getLogger(SpeakerDetailFragment.class); private static final String ARG_SPEAKER_ID = "speaker_id"; private String speakerId; private FavSessionButtonManager favSessionButtonManager; private Bus bus; private ContentHost host; private TextView tvName; private TextView tvCompany; private TextView tvTitle; private ImageView ivPic; private ViewGroup vgDetailLinks; private ViewGroup vgSessions; private TextView tvWebsite, tvTwitter, tvFacebook, tvLinkedin; private TextView tvAbout; private Event event; private TimeZone tz; private SpeakerItem speakerItem; private ArrayList<AgendaItem> agendaItems; @NonNull public static SpeakerDetailFragment instantiate(@NonNull String speaker_id) { if (Strings.isNullOrEmpty(speaker_id)) { throw new IllegalArgumentException(ARG_SPEAKER_ID + " can't be null or empty"); } final Bundle args = new Bundle(); args.putString(ARG_SPEAKER_ID, speaker_id); final SpeakerDetailFragment fragment = new SpeakerDetailFragment(); fragment.setArguments(args); return fragment; } @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); LOGGER.fine("onCreate"); final Bundle args = getArguments(); speakerId = args.getString(ARG_SPEAKER_ID); if (Strings.isNullOrEmpty(speakerId)) { throw new IllegalArgumentException(ARG_SPEAKER_ID + " can't be null or empty"); } favSessionButtonManager = new FavSessionButtonManager(FirebaseDatabase.getInstance(), FirebaseAuth.getInstance(), new MyAuthRequiredListener()); bus = Singletons.deps.getBus(); } @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_speaker_detail, container, false); } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); final Activity activity = getActivity(); if (activity instanceof ContentHost) { host = (ContentHost) activity; host.setTitle(null); } final View root = getView(); if (root == null) { throw new IllegalStateException(); } tvName = (TextView) root.findViewById(R.id.tv_name); tvCompany = (TextView) root.findViewById(R.id.tv_company); tvTitle = (TextView) root.findViewById(R.id.tv_title); ivPic = (ImageView) root.findViewById(R.id.iv_pic); vgDetailLinks = (ViewGroup) root.findViewById(R.id.vg_detail_links); vgDetailLinks.setVisibility(View.GONE); tvWebsite = (TextView) vgDetailLinks.findViewById(R.id.tv_website); tvWebsite.setVisibility(View.GONE); tvTwitter = (TextView) vgDetailLinks.findViewById(R.id.tv_twitter); tvTwitter.setVisibility(View.GONE); tvFacebook = (TextView) vgDetailLinks.findViewById(R.id.tv_facebook); tvFacebook.setVisibility(View.GONE); tvLinkedin = (TextView) vgDetailLinks.findViewById(R.id.tv_linkedin); tvLinkedin.setVisibility(View.GONE); vgSessions = (ViewGroup) root.findViewById(R.id.vg_sessions); vgSessions.setVisibility(View.GONE); vgSessions.removeAllViews(); tvAbout = (TextView) root.findViewById(R.id.tv_about); updateUi(); } @Override public void onStart() { super.onStart(); bus.register(this); favSessionButtonManager.start(); } @Override public void onStop() { favSessionButtonManager.stop(); bus.unregister(this); super.onStop(); } @Nullable @Override public String getTitle() { if (speakerItem != null) { return speakerItem.getName(); } else { return null; } } @Subscribe public void onEvent(final Event event) { if (this.event == null && event != null) { this.event = event; tz = TimeZone.getTimeZone(event.getTimezoneName()); updateUi(); } } @Subscribe public void onAgenda(final AgendaSection agenda) { if (this.agendaItems == null && agenda != null) { agendaItems = new ArrayList<>(); final Collection<AgendaItem> values = agenda.getItems().values(); for (final AgendaItem item : values) { if (item.getSpeakerIds().contains(speakerId)) { agendaItems.add(item); } } Collections.sort(agendaItems, AgendaItems.START_TIME_COMPARATOR); updateUi(); } } @Subscribe public void onSpeakers(final SpeakersSection speakers) { if (this.speakerItem == null && speakers != null) { speakerItem = speakers.getItems().get(speakerId); updateUi(); } } private void updateUi() { if (event != null && agendaItems != null && speakerItem != null) { updateSpeaker(); } else { } } private void updateSpeaker() { tvName.setText(speakerItem.getName()); host.setTitle(speakerItem.getName()); final String company = speakerItem.getCompanyName(); tvCompany.setVisibility(Strings.isNullOrEmpty(company) ? View.GONE : View.VISIBLE); tvCompany.setText(company); final String title = speakerItem.getTitle(); tvTitle.setVisibility(Strings.isNullOrEmpty(title) ? View.GONE : View.VISIBLE); tvTitle.setText(title); Glide.with(SpeakerDetailFragment.this).load(speakerItem.getImage100()).fitCenter() .placeholder(R.drawable.nopic).into(ivPic); boolean links_visible = false; final String website = speakerItem.getWebsite(); if (!Strings.isNullOrEmpty(website)) { links_visible = true; tvWebsite.setVisibility(View.VISIBLE); tvWebsite.setText(website); } final String twitter = speakerItem.getTwitter(); if (!Strings.isNullOrEmpty(twitter)) { links_visible = true; tvTwitter.setVisibility(View.VISIBLE); tvTwitter.setText(twitter); } final String facebook = speakerItem.getFacebook(); if (!Strings.isNullOrEmpty(facebook)) { links_visible = true; tvFacebook.setVisibility(View.VISIBLE); tvFacebook.setText(facebook); } final String linkedin = speakerItem.getLinkedin(); if (!Strings.isNullOrEmpty(linkedin)) { links_visible = true; tvLinkedin.setVisibility(View.VISIBLE); tvLinkedin.setText(linkedin); } vgDetailLinks.setVisibility(links_visible ? View.VISIBLE : View.GONE); tvAbout.setText(speakerItem.getAbout()); if (agendaItems.size() > 0) { vgSessions.setVisibility(View.VISIBLE); vgSessions.removeAllViews(); final StringBuilder sb = new StringBuilder(); final Formatter formatter = new Formatter(sb); final LayoutInflater inflater = getActivity().getLayoutInflater(); for (final AgendaItem item : agendaItems) { final View view = inflater.inflate(R.layout.item_speaker_session, vgSessions, false); ((TextView) view.findViewById(R.id.tv_topic)).setText(item.getTopic()); sb.setLength(0); DateUtils.formatDateRange(getActivity(), formatter, item.getEpochStartTime() * 1000, item.getEpochEndTime() * 1000, DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_WEEKDAY, tz.getID()); ((TextView) view.findViewById(R.id.tv_date)).setText(formatter.toString()); sb.setLength(0); DateUtils.formatDateRange(getActivity(), formatter, item.getEpochStartTime() * 1000, item.getEpochEndTime() * 1000, DateUtils.FORMAT_SHOW_TIME, tz.getID()); ((TextView) view.findViewById(R.id.tv_time)).setText(formatter.toString()); final String session_id = item.getId(); final ImageButton ib_favorite = (ImageButton) view.findViewById(R.id.button_favorite_session); favSessionButtonManager.attach(ib_favorite, session_id); if (host != null) { view.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Fragment next = SessionDetailFragment.instantiate(item.getId()); host.pushFragment(next, "session_detail"); } }); } vgSessions.addView(view); } } } private class MyAuthRequiredListener implements FavSessionButtonManager.AuthRequiredListener { @Override public void onAuthRequired(ImageButton view, String sessionId) { new SigninRequiredDialogFragment().show(getFragmentManager(), null); } } }