Java tutorial
/* * Copyright (C) 2010 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. */ package com.xandy.calendar; import static android.provider.CalendarContract.EXTRA_EVENT_BEGIN_TIME; import static android.provider.CalendarContract.EXTRA_EVENT_END_TIME; import static android.provider.CalendarContract.Attendees.ATTENDEE_STATUS; import android.app.ActionBar; import android.app.Activity; import android.content.Intent; import android.content.res.Resources; import android.database.ContentObserver; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.provider.CalendarContract; import android.provider.CalendarContract.Attendees; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.widget.Toast; import com.xandy.calendar.CalendarEventModel.ReminderEntry; import com.xandy.calendar.R; import java.util.ArrayList; import java.util.List; public class EventInfoActivity extends AppCompatActivity { // implements CalendarController.EventHandler, SearchView.OnQueryTextListener, // SearchView.OnCloseListener { private static final String TAG = "EventInfoActivity"; private EventInfoFragment mInfoFragment; private long mStartMillis, mEndMillis; private long mEventId; // Create an observer so that we can update the views whenever a // Calendar event changes. private final ContentObserver mObserver = new ContentObserver(new Handler()) { @Override public boolean deliverSelfNotifications() { return false; } @Override public void onChange(boolean selfChange) { if (selfChange) return; if (mInfoFragment != null) { mInfoFragment.reloadEvents(); } } }; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); // Get the info needed for the fragment Intent intent = getIntent(); int attendeeResponse = 0; mEventId = -1; boolean isDialog = false; ArrayList<ReminderEntry> reminders = null; if (icicle != null) { mEventId = icicle.getLong(EventInfoFragment.BUNDLE_KEY_EVENT_ID); mStartMillis = icicle.getLong(EventInfoFragment.BUNDLE_KEY_START_MILLIS); mEndMillis = icicle.getLong(EventInfoFragment.BUNDLE_KEY_END_MILLIS); attendeeResponse = icicle.getInt(EventInfoFragment.BUNDLE_KEY_ATTENDEE_RESPONSE); isDialog = icicle.getBoolean(EventInfoFragment.BUNDLE_KEY_IS_DIALOG); reminders = Utils.readRemindersFromBundle(icicle); } else if (intent != null && Intent.ACTION_VIEW.equals(intent.getAction())) { mStartMillis = intent.getLongExtra(EXTRA_EVENT_BEGIN_TIME, 0); mEndMillis = intent.getLongExtra(EXTRA_EVENT_END_TIME, 0); attendeeResponse = intent.getIntExtra(ATTENDEE_STATUS, Attendees.ATTENDEE_STATUS_NONE); Uri data = intent.getData(); if (data != null) { try { List<String> pathSegments = data.getPathSegments(); int size = pathSegments.size(); if (size > 2 && "EventTime".equals(pathSegments.get(2))) { // Support non-standard VIEW intent format: //dat = content://com.android.calendar/events/[id]/EventTime/[start]/[end] mEventId = Long.parseLong(pathSegments.get(1)); if (size > 4) { mStartMillis = Long.parseLong(pathSegments.get(3)); mEndMillis = Long.parseLong(pathSegments.get(4)); } } else { mEventId = Long.parseLong(data.getLastPathSegment()); } } catch (NumberFormatException e) { if (mEventId == -1) { // do nothing here , deal with it later } else if (mStartMillis == 0 || mEndMillis == 0) { // Parsing failed on the start or end time , make sure the times were not // pulled from the intent's extras and reset them. mStartMillis = 0; mEndMillis = 0; } } } } if (mEventId == -1) { Log.w(TAG, "No event id"); Toast.makeText(this, R.string.event_not_found, Toast.LENGTH_SHORT).show(); finish(); } // If we do not support showing full screen event info in this configuration, // close the activity and show the event in AllInOne. Resources res = getResources(); if (!res.getBoolean(R.bool.agenda_show_event_info_full_screen) && !res.getBoolean(R.bool.show_event_info_full_screen)) { CalendarController.getInstance(this).launchViewEvent(mEventId, mStartMillis, mEndMillis, attendeeResponse); finish(); return; } setContentView(R.layout.simple_frame_layout); // Get the fragment if exists mInfoFragment = (EventInfoFragment) getSupportFragmentManager().findFragmentById(R.id.main_frame); // Remove the application title ActionBar bar = getActionBar(); if (bar != null) { bar.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_HOME); } // Create a new fragment if none exists if (mInfoFragment == null) { FragmentManager fragmentManager = getSupportFragmentManager(); FragmentTransaction ft = fragmentManager.beginTransaction(); mInfoFragment = new EventInfoFragment(this, mEventId, mStartMillis, mEndMillis, attendeeResponse, isDialog, (isDialog ? EventInfoFragment.DIALOG_WINDOW_STYLE : EventInfoFragment.FULL_WINDOW_STYLE), reminders); ft.replace(R.id.main_frame, mInfoFragment); ft.commit(); } } @Override protected void onNewIntent(Intent intent) { // From the Android Dev Guide: "It's important to note that when // onNewIntent(Intent) is called, the Activity has not been restarted, // so the getIntent() method will still return the Intent that was first // received with onCreate(). This is why setIntent(Intent) is called // inside onNewIntent(Intent) (just in case you call getIntent() at a // later time)." setIntent(intent); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } @Override protected void onResume() { super.onResume(); getContentResolver().registerContentObserver(CalendarContract.Events.CONTENT_URI, true, mObserver); } @Override protected void onPause() { super.onPause(); getContentResolver().unregisterContentObserver(mObserver); } @Override protected void onDestroy() { super.onDestroy(); } }