co.uk.wxApp.models

Class UpdaterService

java.lang.Object

android.content.Context

android.content.ContextWrapper

android.app.Service

co.uk.wxApp.models.UpdaterService

All Implemented Interfaces:

android.content.ComponentCallbacks

public class UpdaterService
extends android.app.Service

This service runs whenever the app is running.
It serves to update the data used by the app, both on a schedule and whenever the user demands.

Author:

Ben Lee-Rodgers
Sources:

• wifi detection - http://stackoverflow.com/questions/3841317/how-to-see-if-wifi-is-connected-in-android
• general concepts of a service, and its implementation with async and a timer, as well as using a local database - textbook: Beginning Android Application Development - WEI-MENG LEE, 2012
• calling toasts from timerTask - http://stackoverflow.com/questions/4025082/android-toast-started-from-service-only-displays-once

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	UpdaterService.MyBinder

Field Summary

Fields

Modifier and Type	Field and Description
android.content.Context	cx
java.lang.String[][]	data
DBAdapter	db
android.widget.ProgressBar	loadingBar

Fields inherited from class android.app.Service

START_CONTINUATION_MASK, START_FLAG_REDELIVERY, START_FLAG_RETRY, START_NOT_STICKY, START_REDELIVER_INTENT, START_STICKY, START_STICKY_COMPATIBILITY

Fields inherited from class android.content.Context

ACCESSIBILITY_SERVICE, ACCOUNT_SERVICE, ACTIVITY_SERVICE, ALARM_SERVICE, AUDIO_SERVICE, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_NOT_FOREGROUND, CLIPBOARD_SERVICE, CONNECTIVITY_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, DEVICE_POLICY_SERVICE, DROPBOX_SERVICE, INPUT_METHOD_SERVICE, KEYGUARD_SERVICE, LAYOUT_INFLATER_SERVICE, LOCATION_SERVICE, MODE_APPEND, MODE_PRIVATE, MODE_WORLD_READABLE, MODE_WORLD_WRITEABLE, NOTIFICATION_SERVICE, POWER_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, TELEPHONY_SERVICE, UI_MODE_SERVICE, VIBRATOR_SERVICE, WALLPAPER_SERVICE, WIFI_SERVICE, WINDOW_SERVICE

Constructor Summary

Constructors

Constructor and Description
UpdaterService()

Method Summary

Methods

Modifier and Type	Method and Description
void	getDatafromDB() Populate the data array using the newly-updated local database
void	getLatLongs() Set the ordering of the cities based on their co-ordinates (obtained from the local db)
android.os.IBinder	onBind(android.content.Intent arg0)
void	onDestroy()
int	onStartCommand(android.content.Intent intent, int flags, int startId)
void	updateData(boolean manually, boolean override) Calls the AsyncTask if it is not already running or an update is urgent

Methods inherited from class android.app.Service

dump, finalize, getApplication, onConfigurationChanged, onCreate, onLowMemory, onRebind, onStart, onUnbind, setForeground, startForeground, stopForeground, stopSelf, stopSelf, stopSelfResult

Methods inherited from class android.content.ContextWrapper

attachBaseContext, bindService, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingPermission, checkCallingUriPermission, checkPermission, checkUriPermission, checkUriPermission, clearWallpaper, createPackageContext, databaseList, deleteDatabase, deleteFile, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, fileList, getApplicationContext, getApplicationInfo, getAssets, getBaseContext, getCacheDir, getClassLoader, getContentResolver, getDatabasePath, getDir, getExternalCacheDir, getExternalFilesDir, getFilesDir, getFileStreamPath, getMainLooper, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getResources, getSharedPreferences, getSystemService, getTheme, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isRestricted, openFileInput, openFileOutput, openOrCreateDatabase, peekWallpaper, registerReceiver, registerReceiver, removeStickyBroadcast, revokeUriPermission, sendBroadcast, sendBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendStickyBroadcast, sendStickyOrderedBroadcast, setTheme, setWallpaper, setWallpaper, startActivity, startInstrumentation, startIntentSender, startService, stopService, unbindService, unregisterReceiver

Methods inherited from class android.content.Context

getString, getString, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

db

public DBAdapter db

cx

public android.content.Context cx

loadingBar

public android.widget.ProgressBar loadingBar

data

public java.lang.String[][] data

Constructor Detail

UpdaterService

public UpdaterService()

Method Detail

onBind

public android.os.IBinder onBind(android.content.Intent arg0)

Specified by:

onBind in class android.app.Service

onStartCommand

public int onStartCommand(android.content.Intent intent,
                 int flags,
                 int startId)

Overrides:

onStartCommand in class android.app.Service

onDestroy

public void onDestroy()

Overrides:

onDestroy in class android.app.Service

updateData

public void updateData(boolean manually,
              boolean override)

Calls the AsyncTask if it is not already running or an update is urgent

Parameters:

manually - if the user instigated this

override - force an update

getDatafromDB

public void getDatafromDB()

Populate the data array using the newly-updated local database

getLatLongs

public void getLatLongs()

Set the ordering of the cities based on their co-ordinates (obtained from the local db)