Android Service Location

- 02403

2012

-ii -

:

:

1.

2.

3.

-iii -

smartphones

o

o

o

server-side Android

.

,

30/06/2012

-v-

........................................................................................................................... III

...................................................................................................................... V

1 .......................................................................................................................... 1

2 SMARTPHONES ............................................................................................................... 3

2.1 ....................................................................................................... 3

2.2 ............................................................................................ 4

2.2.1 Windows Phone ............................................................................................ 4

2.2.2 iOS .................................................................................................................. 6

2.2.3 Android ........................................................................................................... 8

2.2.4 ................................................................... 14

2.3 ANDROID ......................................................................................... 14

2.3.1 ............................................................................................. 15

2.3.2 (Native Libraries) ................................................... 16

2.3.3 (Android Runtime) ...................................................... 16

2.3.4 (Application Framework) ......................................... 16

2.3.5 Widgets ............................................................................. 17

2.4 ANDROID; .......................................................................................................... 18

3 ANDROID ............................................................................... 19

3.1 ................................................................... 19

3.2 ..................................................................................... 19

3.3 ............................................................................ 19

3.3.1 ............................................................................................... 20

3.3.2 Android SDK Manager AVD Manager ............................................... 22

3.3.3 Project ...................................................................................... 25

3.4 ANDROID ...................................................................... 26

3.4.1 ................................................................................................. 26

3.4.2 ................................................................................................ 26

3.4.3 .................................................................................................... 26

-vi-

3.4.4 ........................................................................................... 27

3.4.5 ............................................................................................... 27

3.4.6 AndroidManifest.xml ................................................................................... 29

3.5 ANDROIDMANIFEST.XML ...................................................................................... 29

4 ............................................................. 33

4.1 ...................................................................................... 33

4.2 ................................................................................................... 33

4.3 ............................................................................................ 35

4.4 SERVER ..................................................................................... 39

4.4.1 .......................................................................... 39

4.4.2 ................................................................ 42

4.5 ............................................................................................... 43

4.5.1 .............................................................................................. 44

4.5.2 ............................................................. 48

4.5.3 .............................................................................. 50

4.5.4 ......................................................................... 52

4.6 OFF-LINE ..................................................................................... 54

5 GASFINDER ............................................................................................ 59

5.1 ............................................................................................................. 59

5.2 ......................................................................................... 59

5.3 ................................................................................................... 59

5.4 ........................................................................................... 61

5.5 ............................................................................................................. 62

5.6 ..................................................................................................................... 63

5.7 OFF-LINE ..................................................................................... 64

5.8 ...................................................................................... 65

6 ........................................................................................................... 67

..................................................................................................................... 69

...................................................................................................................... 71

......................................................................................................................... 73

-1-

1

Smartphones

,

,

.

.

smartphones

Android

-3-

2 Smartphones

2.1

Smartphones

. Smartphones

PDA (Personal Digital Assistant)

e-mail ,

.

.

Social Media Facebook, Twitter Google+.

smartphones

smartphones

.

RA

GPS

iOS, Android, Windows Phone Symbian,

.

-4-

2.2

hardware

Android Google,

iOS Apple Windows Phone Microsoft

Symbian Nokia Ericsson Palm Os Garnet

OS RIM Blackberry OS.

iPhone

iPhone

Android

, hardware

Android

Android

Windows Phone

Windows Phone 8

Mi-

crosoft Microsoft

.

2.2.1 Windows Phone

Windows Phone ( 2.1)

Microsoft Windows Mobile.

-5-

Windows Phone Microsoft

Metro

Microsoft, .

2.1 Windows Phone

Windows Mobile Photon

project Microsoft

Windows Phone

Microsoft Windows Mobile 6.5 Win-

dows Phone

Windows Mobile.

Windows Phone

Microsoft Windows Mobile

Microsoft Win-

dows Mobile Windows Phone Win-

dows Phone 7 Series

Windows Phone 7.

Microsoft Mobile Word Congress

Windows Phone MIX 2010.

CEO Microsoft Steve Ballmer

Windows Phone HTC, Dell, Samsung LG.

Nokia Windows Phone

-6-

Nokia.

C++.

Windows Phone.

Windows Phone OS.

7.0.7008

7.0.7390 NoDo CDMA,

Mango .

7.10.7720 Windows Phone 7.5 Mango

mobile

Internet Explorer 9, multi-tasking Windows Live Sky Drive

e-mail Microsoft Exchange Server

2003

Windows Phone Tango

o NoDo Windows Phone

RAM 256Mb.

2.2.2 iOS

To iOS iPhone OS Apple

(Error! Reference source not found.). Ap-

ple iPhone

Apple. Mac OS

Unix. Objective-C ( C) Cocoa

Touch API.

Apple iPhone

OS X .

-7-

beta SDK

iPhone OS .

iPhone OS iOS

Apple iOS CISCO

router

iOS iOS

iOS iPad.

To iOS iPhone iPod Touch

bugs

iOS 4.2 iOS 4.2.1

iPad.

iOS CDMA.

H iOS iPhone

CDMA.

H iOS

CDMA

iOS 4.2.x iOS

iOS bugs

iOS iOS developers.

2.2

-8-

2.2.3 Android

Linux Android ( 2.3)

smart phones

Java

Google . H

Google Open Handset Alliance.

Open Handset Alliance

hardware (Google, HTC, Samsung,

Motorola, AT&T, Verizon

. Google

Android Apache License

2.3 Android

Android

HTC Dream (

T-Mobile G1) T-Mobile.

Google SDK Release Candidate 1.0.

Android 1.5

Cupcake ( 2.4). Cupcake

(User Interface).

-9-

mode.

tube

.

2.4 Cupcake

Android 1.6 Donut ( 2.5)

2.5 Donut

Android Market.

Gallery.

voice search.

.

-10-

CDMA/EVDO, 802.1x, VPNs, text-to-speech.

Gesture framework Gesture Builder.

turn-by-turn Google.

Android 2.0 Eclair ( 2.6)

Android 2.0.1 (Eclair 0.1) Android 2.1 (Eclair MR1)

hardware.

.

Browser

Contrast Ratio Backgrounds

Google Maps 3.1.2

Microsoft Exchange Server, ActiveSync 2.5

Flash

zoom.

Multi -Touch.

Bluetooth 2.1.

Live Wallpapers.

2.6 Eclair

Android 2.2 Froyo ( 2.7)

-11-

Chrome V8 JavaScript Browsers .

.

Application Launcher

Browser.

USB Tethering Wi-Fi Hotspot.

(Data Access over

Mobile Network).

Market updates.

Adobe Flash 10.1.

DPI .

2.7 Froyo

Android 2.3 Gingerbread ( 2.8)

Android 2.3.3

Design.

.

VoIP Telephony.

Playback Audio Encoding.

-12-

reverb, equalization, headphone virtualization, bass

boost.

-Touch .

.

Development.

Developers

Download Manager

file system.

2.8 Gingerbread

Android 3.0 Honeycomb ( 2.9)

2.9 Honeycomb

-13-

3D, Render script

Video Chat Google Talk.

Google eBooks.

Android 4.0 Ice Cream Sandwich ( 2.10)

(Face Unlock).

(Panorama Mode).

NFC (Android

Beam).

Web

e-mail (

internet (Offline mode

(People App).

Notification Center.

(Recent Apps).

2.10 Ice Cream Sandwich

Android

2.11 Froyo -

-14-

2.11 Android

2.2.4

Symbian Os RIM Blackberry OS. To Symbian OS

EPOC PSION

Symbian Ltd C++. 2008 Symbian

Foundation Symbian Ltd. Symbian OS

Nokia, Sony Ericsson ( Sony), Benq-

Siemens, Samsung, Motorola, NTT DoCoMo. Symbian OS

Nokia Series 60, Series 80, Series 90, UIQ FOMA.

smartphones Blackberry OS BlackBerry smartphone

Research In Motion

(RIM) PDA

e-mail

C++

Java.

2.3 Android

Android

Linux

-15-

Android

An-

droid 2.12.

2.12 Android OS

2.3.1

To Linux 2.6 (Linux Kernel)

Android.

Wi-Fi Flash,

-16-

2.3.2 (Native Libraries)

C C++

interface Java.

Surface Manager

2D) (3D)

Media Framework (codecs)

mp2,mpeg

SQLite

SQL.

Web Kit

(browsers).

2.3.3 (Android Runtime)

Java

Dalvik Virtual Machine

Android Java

Dalvik VM

(Dalvik Executable) dex) dex VM

2.3.4 (Application Framework)

Application Framework

Application Framework

-17-

Content Providers:

Notification Manager Status Bar.

Activity Manager ( 2.13).

Resource Manager

View System:

2.13

2.3.5 Widgets

widgets

widget

.

-18-

2.4 Android;

. Android

open-source

.

-19-

3 Android

3.1

Android.

Android

.

Android.

(

.

3.2

Android Java.

C++.

NDK (Native Development Kit )

C & C++ Java Android.

3.3

Eclipse IDE, An-

droid SDK, ADT Plug In for Eclipse JDK.

-20-

3.3.1

JDK

( 3.1) Oracle .

3.1 JDK Download

Android An-

droid SDK ( 3.2). (Android SDK)

Win-

dows SDK Android SDK Manager.

API .

API Google API 10

(Android 2.3.3)
http://www.oracle.com/technetwork/java/javase/downloads/index.htmlhttp://developer.android.com/sdk/index.html

-21-

3.2 Android SDK Download

Eclipse Eclipse

Classic 3.7.1 ( 3.3). Eclipse

Help Install New Software.

Work With ADT Plug In ,

Developer Tools 3.4

3.3 Eclipse Download
http://www.eclipse.org/downloads/

-22-

3.4 ADT Plug In Install

AVD Manager .

AVD Manager

Android.

3.3.2 Android SDK Manager AVD Manager

Android SDK Manager

AVD Manager. Android SDK Manager 3.5

Android

extra. Android SDK Tools Android SDK Plat-

form Tools.

-23-

Android

API. To API Application Programming

Interface,

API

SDK Platform API. Samples For SDK

Google APIs by Google Inc

Google

API Android

Android

. Ice Cream

Sandwich API 14) Gingerbread

(API 10). T Ice

Cream Sandwich API 14) Gingerbread (API 10).

Google API

.

extra

Google Analytics SDK

Google Ad-

mob ADS SDK

3.5 Android SDK Manager

-24-

Android Virtual Device Manager ( 3.6)

3.6 AVD Manager

Name

Target (API)

CPU/ABI:

.

SD Card:

Snapshot:

AVD

-25-

Skin:

Hardware: RAM

3.3.3 Project

Project Eclipse

Project

3.7 Android Project

1. Eclipse File New(Alt + Shift + N) Project

Android Project Next 3.7.

2. Project Name Project

Next .

3.

-26-

4. Application Name , Minimum

SDK API

Package Name .

5. Finish Eclipse

3.4 Android

Eclipse Project

3.4.1

src Source

3.4.2

gen

Project (Package Name).

3.4.3

*.jar Java Ar-

chive)

Java

Android

Android Google APIs Android ,

Google APIs [Android 2.3.3] .

-27-

3.4.4

Assets

3.4.5

res (res

resources) .

xml, raw

Res o

1

XML

1 Android

XML

/res/values/ strings.xml

/res/values/ strings.xml ,

/res/values/ strings.xml ,

Boolean /res/values/ bools.xml

/res/values/ Colors.xml

/res/color/

buttonstates.xml

indicators.xml

,

/res/values/ dimens.xml

/res/values/ integers.xml

/res/values/ integers.xml ,

-28-

/res/values/ arrays.xml ,

/res/values/ drawable.xml

/res/drawable/

icon.png, logo.jpg XML

tween /res/anim/

fadesequence.xml

spinswquence.xml

, , ,

,

/res/drawable/

sequence1.xml

sequence2.xml

,

/res/menu/

mainmenu.xml

helpmenu.xml

XML /res/xml/

data.xml, data2.xml

/res/raw/

jingle.mp3,somvideo.mp4,

helptext.txt

/res/layout/

main.xml,help.xml

.

/res/values/ styles.xml

themes.xml( )

-29-

3.4.6 AndroidManifest.xml

AndroidManifest.xml

3.5 AndroidManifest.xml

AndroidManifest.xml (/root)

project

Android

Java

ID

(activities),

(services), (broadcast receivers)

(Intents

messages) Android

.

API

Instrumentation Classes

Android API

AndroidManifest.xml

3.8

-30-

3.8 AndroidManifest.xml

AndroidManifest.xml

:

xml version xml encoding

,

, .

3.8

.

gr.gasFinder.bazpap.

android:versionCode

android:VersionName:

-33-

4

4.1

.

Offline

4.2

-34-

server.

Off-line 4.6).

4.5.4).

server 4.4).

splash.xml

Main.java splash.xml 4.1

,

& 4) .

4.1 XML

Main.java

( 4.2)

23). isInternetOn 2-44

Offline

startService

.

server

server

4.5.4 4.4

connectivityManager

( 3

4-42

G ( getNetworkInfo wi-fi ( getNetworkInfo

true

-35-

false

( 4.15

4.2 Main

4.3

background

xml Pref-

erences

xml radiusList.xml

typeLlist.xml

-36-

timeList.xml

xml

4.3.

4.3 XML

xml preferences.xml ( 4.4)

xml

(listPreference) xml

(android:entries &

android:entryValues ).

(android: defaultValue ),

(android: key) , (android: selectable

(android: summary (android: title

PreferenceScreen checkbox

checkboxes(

checkbox

android : disableDependentsState =" true

checkboxes

checkbox android:dependency="all" .

-37-

4.4 XML

xml (

4.5).

( 9).

onCreate() .

setCon-

-38-

tentView

4) layout

preferences.xml

SharedPreferences Android SharedPreferences

10

getSharedPreferences 31 & 32

SharedPreferences.Editor

33)

editor commit() .

4.5 Preferences

-39-

onBackPressed 8-27

save 9-46,

save Map

-23)

server & 25)

.

Preferences

4.4

server

.

. org.apache.http

HTTP Android (HoneyComb)

Google

AsyncTask (Asynchronous task)

4.6 ServerConnection.

4.4.1

AsyncTask

doInBackground onPreExecute onPostExecute

onPreExecute ( )

doInBackground

-40-

onPostExecute ( ).

AsyncTask .

AsyncTask.

Void

execute

4.6 ServerConnection()

server ServerCon-

nection AsyncTask. constructor

Context ServerConnectionListener

onPreExecute

onPostExecute

-41-

ServerConnectionListener. O ServerConnection-

Listener

nterface 4.7 ServerConnectionListener Interface

Listener

Implements ServerConnectionListener

ServerConnectionComplete 4.8

Main Preferences.

.

4.7 ServerConnectionListener Interface

4.8 ServerConnectionComplete

doInBackground

server. HTTP

HttpClient 56)

HTTP .

HttpPost 57).

mpazigos.dyndns.org .

Post Get .

NameValuePair

-42-

59)

79)

81).

server

87)

ftype ), recency

( , radius ( latitude

& longitude allStationsValue

shellValue, etekaValue, bpValue, jetoilValue, revoilValue, silkoilValue, kaoilValue,

aegeanValue, ekoeldaValue, avinValue, elpetrolValue, elinoilValue, cyclonValue, dra-

coilValue, medoilValue, argoValue, kmoilValue, apValue).

NameValuePair add(new BasicNameValuePair("

", " ")) 62).

4.4.2

XML

DTD.

DTD XML

XML ,

DTD 4.9. stations

gasstation

( ,

. (

PCDATA ,

-43-

4.9 Document Type Definition

DTD DTD

, XML ( 4.10)

DTD XML ( 2).

XML DTD XML

4.10 DTD XML

4.5

-

server,

.

.

-44-

4.5.1

Google

Google Maps.

MD5

Map API Key

Obtaining a Maps API Key). Map API

Key

(cmd) bin JDK

keytool .

4.11.

4.11 MD5

keystore

keystore

Eclipse Window-Preferences-Android-Build ( 4.12).

Map API Key

Sign Up for the Android Maps API

Generate API Key

( 4.13).

API Key

( 4.14)
https://developers.google.com/maps/documentation/android/mapkey#getfingerprinthttps://developers.google.com/android/maps-api-signup?hl=el-GR

-45-

4.12 Debug Keystore

4.13 API Key

4.14 API Key

-46-

AndroidManifest ( 4.15)

Android

16)

uses-permission application uses-library

4.15 internet

xml

o xml 4.16

ID

4 & 5),

API KEY (

4.16 Map.xml

xml

Java ( 4.17).

Activity

. MapView

.

onCreate()

-47-

( xml

MapView

zoom-in & zoom-out

4.18.

4.17 Map

4.18

-48-

4.5.2

. 4.19.

stations

gasstation

gasstation lat

), long price ( type (

name( address ( owner (

lastUpdate (

4.19 xml

4.20. Error! Re f-

erence source not found. XML

.

XML

Document Object Model (DOM). Docu-

mentBuilder DocumentBuilderFactory Docu-

ment Node , NodeList Element .

( .

DocumentBuilderFactory (

XML

DOM Docu-

mentBuilder (

Document

parse ( .

getDocumentElement ( Element

-49-

stations gasstation

NodeList

gasstation ( .

gasstation

NodeList ( gas-

station

( .

XML String.

( )

XML ) String

.

XML .

4.20

-50-

4.5.3

Off-

line View 4.6

.

. (

( 4.21):

1. MapView .

2. Drawable 73)

3. MyItemizedOverlay

Drawable

MapView

4. GeoPoint

5. OverlayItem

GeoPoint String

6. addOverlay(OverlayItem

3

7.

MyItemizedOverlay

80). Overlay

.

-51-

4.21

4.22.

XML

.

4.22

-52-

4.5.4

server

AsyncTask.

Main

Map

GPS.

UserLocation

4.23.

UserLocation

AsyncTask . Location-

Listener , LocationManager

ProgressDialog .

AsyncTask onPreExecute,

doInBackground onPostExecute.

LocationListener 9) LocationManager

100) LocationManager requestLoca-

tionUpdates LocationListener

107). requestLocationUpdates :

GPS

),

LocationListener.

.

doInBackground

onPostExecute

server

114 116) .

-53-

LocationListener

Loca-

tionListener implement

onLoca-

tionChanged, onProviderDisabled, onProviderEnabled onStatusChanged.

Location

getLatitude getLongitude

.

130)

134) Log

Map UserLocation

onPreExecute

onPostExecute

doInBackground LocationListener

,

GPS

.

.

GPS

GPS

,

.

-54-

4.23 UserLocation

4.6 Off-line

4.2

-55-

Offline

View

Offline View

server

Offline View

4.5.2 String

Offline View

String

xml

layout (list.xml)

(list view) ( 4.24) layout listAdapter

4.24 List View Layout

Android layout listAdapter

-56-

layout mylist.xml 4.25

layout (simple_list_item_1)

layout

4.25 mylist.xml

4.26 Offline

layout

4.26

onCreate()

list.xml ( 6 gasStations

7

null ,

. setListAdapter

3 & 34) layout mylist.xml

-57-

gasStations

\t tab).

\t )

. Offline

Offline.

-59-

5 gasFinder

5.1

.

smartphones

Android.

5.2

GasFinder (Gas

gasoline .

Vehicle )

-

GasFinder

Off-line

5.3

5.1

-60-

server

5.2 .

server.

Off-line

5.1

5.2

-61-

5.4

5.3

( 5.3

5.4

Off-line

5.3

-62-

5.4

5.5

5.5 4.3

( 5.6).

save

5.5

-63-

5.6

5.6

Off-

line

( 5.7).

-64-

5.7

5.7 Off-line

H

( 5.8

5.6

.

4.6

5.8

Documents

Android Service Location