David Defour - Université de Perpignan

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Main Java Co<strong>de</strong> public class NestedLayoutsActivity extends Activity { @Overri<strong>de</strong> public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.nested_layouts); } } 286 jeudi 26 janvier 12 ... // Event handlers for bottom two Buttons There are two buttons on initial screen that invoke this same Activity. But, one sets the Locale to "qq" first.
Results 287 jeudi 26 janvier 12 Locale set to anything other than "qq". Locale set to "qq".
Page 1 and 2:
jeudi 26 janvier 12 PROGRAMMATION S
Page 3 and 4:
jeudi 26 janvier 12 DESCRIPTION DU
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DESCRIPTION • Titre : Réalisatio
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jeudi 26 janvier 12 EXAMPLE: APP IN
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jeudi 26 janvier 12 DÉPLACEMENTS O
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GESTION DU CONTRÔLE Ordre Fonction
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RÉFÉRENCES: • http://lwh.free.f
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• Motivations RÉSUMÉ DU COURS
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AVANTAGES DES APPLI WEB • Accès
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AVANTAGES DES APPLI MOBILES • Plu
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INCONVÉNIENTS DES APPS • Pas d
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INSTALLATION • Apps génériques
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OS POUR LE DÉVELOPPEMENT DES APPS
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GOOGLE SEARCH: ANDROID jeudi 26 jan
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jeudi 26 janvier 12 PRÉSENCE SUR L
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jeudi 26 janvier 12 CONCLUSION Pré
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• Web apps vs. Android apps jeudi
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jeudi 26 janvier 12 ANDROID: INSTAL
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jeudi 26 janvier 12 INSTALLATION DE
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INSTALLATION DE JAVA SE 6 • http:
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INSTALLATION D’ECLIPSE • http:/
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ANDROID SDK • Présentation • B
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• Présentation PLUGIN ADT • AD
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CONFIGURATION DE ADT • Définisse
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ANDROID VIRTUAL DEVICES (AVDS) •
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LANCEMENT D’UNE APPS SUR jeudi 26
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LANCEMENT DE HELLOANDROID DANS L’
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jeudi 26 janvier 12 HELLO ANDROID
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DÉFINITION DES OPTIONS DU PROJETS
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LANCEMENT DE VOTRE APPS • Fonctio
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LES BASES DE DDMS • Concepts •
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LANCEMENT D’UNE APPS SUR jeudi 26
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VIA L’USB • Prérequis : il fau
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EXPORTER UN PACKAGE • A faire à
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jeudi 26 janvier 12 LANCEMENT DE L
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RÉSUMÉ • Installation des logic
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CONCEPTS DE BASE DE LA PROGRAMMATIO
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jeudi 26 janvier 12 RÉALISER UN PR
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RÉALISER VOTRE PROPRE PROJET ANDRO
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jeudi 26 janvier 12 DÉFINITION DES
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LANCER UNE NOUVELLE APP SUR UN DEVI
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jeudi 26 janvier 12 STRUCTURE D’U
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LES 3 APPROCHES PRINCIPALES • Jav
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APPROCHE XML: SCHÉMA • Java publ
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jeudi 26 janvier 12 LAYOUT JAVA
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jeudi 26 janvier 12 CODE (CORPS) pu
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RÉSULTAT SUR L’ ÉMULATEUR • c
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jeudi 26 janvier 12 LAYOUT XML
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PLUS DE DÉTAILS • res/layout/mai
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RES/LAYOUT/MAIN.XML jeudi 26 j
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} jeudi 26 janvier 12 CODE (JAVA) p
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jeudi 26 janvier 12 ECLIPSE ADT VIS
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jeudi 26 janvier 12 ECLIPSE VISUAL
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• Approches CONCEPTS • Utilisat
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RES/VALUES/STRINGS.XML Say Hello
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• Dans l’émulateur • Click-D
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jeudi 26 janvier 12 PROJECT LAYOUT
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jeudi 26 janvier 12 QUESTIONS?
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RÉSUMÉ DU COURS • Utilisation d
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CONCEPTS • Buts • Changer la co
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RES/LAYOUT/MAIN.XML jeudi 26 janv
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jeudi 26 janvier 12 MAIN ACTIVITY C
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} jeudi 26 janvier 12 EVENT HANDLER
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jeudi 26 janvier 12 RÉSULTATS SUR
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IDÉE • Buts • Changer la coule
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EVENT HANDLER CLASS (PARTIE DE MAIN
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jeudi 26 janvier 12 RÉSULTAT SUR U
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CONCEPT • Buts • Changer la cou
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RES/VALUES/STRINGS.XML Event Hand
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} } jeudi 26 janvier 12 ACTIVITY CL
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jeudi 26 janvier 12 ACTIVITY CLASS
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jeudi 26 janvier 12 RÉSULTATS SUR
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CONCEPT • Buts • Changer la cou
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jeudi 26 janvier 12 RÉSULTAT SUR L
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jeudi 26 janvier 12 GESTION DES ÉV
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jeudi 26 janvier 12 RÉSULTAT SUR L
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jeudi 26 janvier 12 COPIE D’UN PR
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jeudi 26 janvier 12 CONCLUSION
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APPROCHES: CONTRÔLE SIMPLE • Sit
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• Buttons RÉSUMÉ DU COURS • I
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WIDGET LECTURES COMBINED IN SINGLE
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SWITCHING ACTIVITIES: SUMMARY • S
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jeudi 26 janvier 12 APPROACH FOR BU
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XML: LAYOUT FILE (RES/LAYOUT/BUTTON
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JAVA (BUTTONACTIVITY.JAVA) public c
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BUTTON • Idea • A push button d
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XML: STRINGS FILE ENTRIES (PART OF
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jeudi 26 janvier 12 Emulator RESULT
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IMAGEBUTTON, VARIATION 1 • Idea
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jeudi 26 janvier 12 RESULTS (EMULAT
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IMAGEBUTTON, VARIATION 2 • Idea
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IMAGE DESCRIPTOR FILE (RES/ DRAWABL
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RADIOBUTTON • Idea • A button f
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FIRST EXAMPLE: EVENT HANDLERS ATTAC
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STRINGS FILE AND JAVA • Nothing n
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jeudi 26 janvier 12 RADIOBUTTON (WI
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XML: LAYOUT FILE ENTRY (PART OF RES
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JAVA (RELEVANT PARTS) public class
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JAVA (RELEVANT PARTS, CONTINUED) }
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jeudi 26 janvier 12 CHECKBOX
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XML: LAYOUT FILE ENTRY (PART OF RES
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TOGGLEBUTTON • Idea • A button
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JAVA (RELEVANT PARTS, CONTINUED) Th
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jeudi 26 janvier 12 WRAP-UP
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jeudi 26 janvier 12 WIDGETS: SPINNE
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jeudi 26 janvier 12 GENERAL APPROAC
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LAYOUT FILES FOR WIDGET LECTURES
Page 235 and 236: SWITCHING ACTIVITIES: SUMMARY • S
Page 237 and 238: SWITCHING ACTIVITIES: WIDGETSINITIA
Page 239 and 240: jeudi 26 janvier 12 OVERALL WIDGET
Page 241 and 242: SPINNER WITH PREDEFINED • Idea CH
Page 243 and 244: ONITEMSELECTEDLISTENER • onItemSe
Page 245 and 246: XML: STRINGS FILE ENTRIES (PART OF
Page 247 and 248: JAVA (RELEVANT PARTS, CONTINUED) pr
Page 249 and 250: jeudi 26 janvier 12 SPINNER APPROAC
Page 251 and 252: SPINNER (CONTINUED) • Key XML att
Page 253 and 254: XML: LAYOUT FILE ENTRY (PART OF RES
Page 255 and 256: JAVA (RELEVANT PARTS) public class
Page 257 and 258: jeudi 26 janvier 12 RESULTS (EMULAT
Page 259 and 260: SUMMARY • Spinner with fixed entr
Page 261 and 262: Topics in This Section • LinearLa
Page 263 and 264: Main Layout Strategies • XML-base
Page 265 and 266: Commonly Used Attributes • Size -
Page 267 and 268: Commonly Used Attributes (Continued
Page 269 and 270: LinearLayout • Idea -Put componen
Page 271 and 272: Example Details 271 jeudi 26 janvie
Page 277 and 278: Colors • Idea - Although colors c
Page 279 and 280: Layout File (res/layouts/ nested_la
Page 281 and 282: Localization Preview • Idea -You
Page 283 and 284: Setting Locale Programmatically •
Page 285: Localized Color File (res/values-qq
Page 289 and 290: Using android:layout_weight • Ide
Page 291 and 292: Java Code public class LayoutWeight
Page 293 and 294: jeudi 26 janvier 12 RelativeLayout
Page 295 and 296: Referring to Existing IDs • First
Page 299 and 300: jeudi 26 janvier 12 TableLayout ©
Page 301 and 302: TableRow • Idea - Goes inside Tab
Page 307 and 308: Hierarchy Viewer • Idea -The Andr
Page 309 and 310: jeudi 26 janvier 12 Wrap-Up © 2011
Page 311 and 312: More Reading • Tutorial: Declarin
Page 313 and 314: jeudi 26 janvier 12 © 2011 Marty H
Page 315 and 316: jeudi 26 janvier 12 Overview © 201
Page 317 and 318: Pros and Cons of Following Conventi
Page 319 and 320: Indentation: blocks that are nested
Page 321 and 322: Break Things into Small Pieces •
Page 323 and 324: Use JavaDoc • Use JavaDoc from th
Page 325 and 326: Use Other Standard Annotations when
Page 327 and 328: Initialize Local Variables when Dec
Page 329 and 330: Use TODO Comments for Temporary Cod
Page 331 and 332: jeudi 26 janvier 12 © 2011 Marty H
Page 333 and 334: Indent 4 Spaces for Blocks • Inde
Page 335 and 336: Fully Qualify Imports • List each
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Start JavaDoc Comments with 3 rd Pe
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Start Instance Variables with “m
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Never Ignore Exceptions • Avoid e
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Why Ignoring Exceptions Rule is Too
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Why Generic Exception Rule is (Argu
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Summary • Strictly follow convent
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Topics in This Section • Part I -
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Idea • Android philosophy -Activi
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jeudi 26 janvier 12 © 2011 Marty H
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Summary of Layout 355 jeudi 26 janv
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XML: Layout File: Divider (res/layo
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XML: Colors File (res/values/colors
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Java (LoanCalculatorActivity.java)
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Java (PaymentInfo.java) public clas
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Example: Results 365 jeudi 26 janvi
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Summary • Idea - Specify class na
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Example: Overview • Initial Activ
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XML: Manifest File Template (Androi
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XML: Strings File (res/values/strin
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Summary • Idea - Attach a Bundle
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Option 1: Attaching Entire Bundle t
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XML: Layout File (res/layout/main.x
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Java (IntentFilter1Activity.java) p
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Java (LoanBundler.java, Continued)
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Java (LoanCalculatorActivity, Conti
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More Reading • Tutorial: Intents
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jeudi 26 janvier 12 Intents, Intent
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jeudi 26 janvier 12 Overview © 201
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jeudi 26 janvier 12 Invoking Activi
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Registering to Handle URIs • Matc
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Java (IntentFilter2Activity.java) p
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Summary • Idea - Embed query para
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XML: Manifest File Action Declarati
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Java (IntentFilter2Activity, Contin
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jeudi 26 janvier 12 Wrap-Up © 2011
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jeudi 26 janvier 12 Intents, Intent
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Using TabActivity: Outline public c
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Option 1: A Single Image • Pros -
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XML Code for Dual-Image Icon
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Example: Overview • Initial Activ
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XML: Manifest File Action Declarati
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Java (TabbedActivity: Tab 2) 443 je
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Summary • Java (extends TabActivi
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Topics in This Section • Localiza
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Big Idea • Good news - Android’
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jeudi 26 janvier 12 Language © 201
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Steps • Make multiple folders wit
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How User Changes Device Language
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Example: The Android Resort • Ide
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Strings File: Spanish (res/values-e
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Manifest File (No Language-Based Ve
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Project Layout 466 jeudi 26 janvier
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Results: Spanish 468 jeudi 26 janvi
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Graphical Layout Editor in Eclipse
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Changing the Language Programmatica
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Idea • Values can be specific to
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Page 478 and 479:
Strings File: General Spanish (res/
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Project Layout 480 jeudi 26 janvier
Page 482 and 483:
jeudi 26 janvier 12 Screen Orientat
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Steps • Make two folders: default
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Precedence of Folder Names • Idea
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Layout File: Landscape Mode (res/la
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Dimensions File: Landscape (res/val
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Results: English (Really Non-Spanis
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Results: Mexican Spanish 496 jeudi
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Example: Screen from Widgets Lectur
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jeudi 26 janvier 12 Display Resolut
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Common Approaches • Alternative 1
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Best Practices • For small icons
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Page 508 and 509:
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More Reading • Developer’s Guid
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jeudi 26 janvier 12 Handling Screen
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Page 516 and 517:
Reminder: Preventing Screen Rotatio
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Summary: Saving Data • Override o
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The Bundle Class: Details • Putti
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Loan Payment Comparisons • Idea -
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Page 526 and 527:
Core Java Code public class Rotatio
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Core Java Code (Continued) 528 jeud
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Java Code: Saving State 530 jeudi 2
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Java Code: PaymentInfo public class
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Page 536 and 537:
Lifecycle Summary onSaveInstanceSta
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More Reading • JavaDoc: Activity
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jeudi 26 janvier 12 Network Program
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Page 544 and 545:
jeudi 26 janvier 12 Socket Basics
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Steps for Implementing a Client (Co
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Helper Class: SocketUtils • Idea
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jeudi 26 janvier 12 Example: NIST T
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Manifest File (AndroidManifest.xml)
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Values Files • res/values/strings
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} Main Activity, Continued (NistTim
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jeudi 26 janvier 12 Aside: String F
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Formatted Output: printf • Takes
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Controlling Formatting • Differen
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Printf Example: Controlling Width a
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Parsing Strings Using StringTokeniz
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Interactive Tokenizer: Example impo
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Parsing Strings using the split met
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Interactive Tokenizer: Example publ
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Example Welcome Messages • ftp.mi
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Manifest File (AndroidManifest.xml)
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Main Activity (FtpMessageActivity.j
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} Main Activity, Continued (FtpMess
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Page 588 and 589:
HTTP Request/Response: GET • Requ
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Using Telnet to Test Server Command
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Example: Larry Ellison’s Home Pag
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Layout File: Portrait Mode (res/lay
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Values Files • res/values/strings
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Main Activity, Continued (UrlChecke
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Main Activity, Continued (UrlChecke
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Helper Classes • StatusLineParser
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Page 606 and 607:
Summary • Basics - Socket socket
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Topics in This Section • Part I (
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Big Idea • Many ways to communica
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URL and HttpURLConnection: Overview
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Simple URL Methods: Example import
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HttpURLConnection: Details • Gett
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URL Searcher • Idea -Print out al
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Layout File (res/layout/ url_search
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Main Activity (UrlSearcher1Activity
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Main Activity, Continued (UrlSearch
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Main Activity, Continued (UrlSearch
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Results 628 jeudi 26 janvier 12
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HttpClient • Idea -A popular clas
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HttpClient: Reading Result of POST
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HttpUtils 634 jeudi 26 janvier 12 p
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Page 638 and 639:
XML Files • AndroidManifest.xml -
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} Main Activity, Continued (UrlSear
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jeudi 26 janvier 12 Aside: JSON For
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JSON: Example in JavaScript var per
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Popular Web Services that Send JSON
Page 648 and 649:
JSONObject • Idea -A popular JSON
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Extracting Data From a JSONObject
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jeudi 26 janvier 12 Using JSONObjec
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JSONObject’s Algorithm for JSONif
Page 656 and 657:
Bean Properties: Examples Method Na
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Drawbacks of JSONification • Send
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JSONObject from Bean: Example Resul
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JSON-Based Loan Calculator Service
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Servlet, Continued 664 jeudi 26 jan
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Android Activity, Continued 666 jeu
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Results 668 jeudi 26 janvier 12 htt
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Double Translate App • Idea - The
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Main Activity, Continued 672 jeudi
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Key Helper Class (TranslationUtils)
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Results: Medium-Difficulty Text 676
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Results: More Deliberately-Tricky T
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More Reading • JavaDoc -HttpURLCo
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jeudi 26 janvier 12 Multithreaded P
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684 jeudi 26 janvier 12 Overview ©
Page 686 and 687:
Steps for Concurrent Programming
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Thread Mechanism One: Separate Runn
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Thread Mechanism One: Example publi
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Helper Class public class ThreadUti
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Pros and Cons of Approach • Advan
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Review of Interfaces: Syntax • Sh
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Thread Mechanism Two: Main App Impl
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Thread Mechanism Two: Example publi
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Page 704 and 705:
Review of Inner Classes • Class c
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Inner Class Implements Runnable: Te
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} Thread Mechanism Three: Example (
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Page 712 and 713:
Pros and Cons • Separate class th
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Race Conditions • Idea - You writ
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} Race Conditions: Example (Continu
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Race Conditions: Solution? • Do t
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Arbitrating Contention for Shared R
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722 jeudi 26 janvier 12 © 2011 Mar
Page 724 and 725:
Methods in ExecutorService Class
Page 726 and 727:
Lower-Level Threading • Use Threa
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Types of Task Queues • Executors.
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Nasty Synchronization Bug public cl
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Synchronization Solution (Continued
Page 734 and 735:
Other Advanced Topics • wait/wait
Page 736 and 737:
More Reading • Books -Java Concur
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Page 740 and 741:
740 jeudi 26 janvier 12 Overview ©
Page 742 and 743:
Nonresponsive GUI Controls • Prob
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jeudi 26 janvier 12 Updating UI Aft
Page 746 and 747:
Example: Multi-URL Validator • Id
Page 748 and 749:
Main Activity: Setup Code (Continue
Page 750 and 751:
Main Activity: Button Handler (Afte
Page 752 and 753:
Main Activity: Helper Methods 752 j
Page 754 and 755:
Page 756 and 757:
Displaying a Network Image • Idea
Page 758 and 759:
Making a View for an Image • Idea
Page 760 and 761:
Example: Unthreaded Image Viewer
Page 762 and 763:
Page 764 and 765:
View.post • Scenario -Total wait
Page 766 and 767:
Main Activity: Setup Code public cl
Page 768 and 769:
Main Activity: Runnable Inner Class
Page 770 and 771:
Page 772 and 773:
AsyncTask • Scenario - Total wait
Page 774 and 775:
AsyncTask Details: Constructor •
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AsyncTask Details: doPostExecute
Page 778 and 779:
Example: Multithreaded Image Viewer
Page 780 and 781:
Page 782 and 783:
More Reading • JavaDoc -AsyncTask
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David Defour - Université de Perpignan

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