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Building mobile web applications
                                               with Sencha Touch 2




                                                    Martin de Keijzer
                       4Developers (Poznan, Poland) / April 18th 2012


woensdag 18 april 12
About me

            Martin de Keijzer


            Dutch web developer


                       Working for Ibuildings

                       PHPBenelux Board Member


                       @Martin1982

                       http://www.martindekeijzer.nl

                                                       2
woensdag 18 april 12
Why mobile?




                        3
woensdag 18 april 12
Apps


          Languages
               Apple: Objective-C
               Android: Java
               Windows Phone: C# / Visual Basic


          Distribution Methods
              Apple: AppStore
              Android: Market
              Windows Phone: Microsoft Market Place



                                                      4
woensdag 18 april 12
Web Apps

               Available through the web
               Platform independent
               Can be transformed to an App-like experience
               Can be wrapped as native apps




                                                              5
woensdag 18 april 12
woensdag 18 april 12
The Sencha Touch way

               Building applications, not websites
               Pure JavaScript
               Touch framework
               MV(S)C Paradigm
               Based on ExtJS 4


          Downloadable from http://www.sencha.com




                                                     7
woensdag 18 april 12
Getting started




                                         8
woensdag 18 april 12
Quick start: Sencha Command

           sencha generate app <name> <path>




                                               9
woensdag 18 april 12
Quick start: Sencha Command


                            •App
                            •Resources
                            •SDK (DO NOT TOUCH!)
                            •app.js
                            •.json files
                            •index.html



                                                   10
woensdag 18 april 12
Quick Start: Sencha Command




                               Webkit
                                        11
woensdag 18 april 12
User interface

          Abstraction of various app-interface ui elements:
               containers
               panels
               tabpanels
               carousels
               lists
               forms
               toolbars




                                                              12
woensdag 18 april 12
Creating views




                       app/view/Pictures.js

                                              13
woensdag 18 april 12
Creating views




                           14
woensdag 18 april 12
Creating views




                           /app.js


                                     15
woensdag 18 april 12
Creating views




                       app/view/Main.js
                                          16
woensdag 18 april 12
Creating views




                           17
woensdag 18 april 12
Creating views




                           17
woensdag 18 april 12
Taking control




                                        18
woensdag 18 april 12
Bootstrapping and Controllers




                                    /app.js
                        Final point of bootstrapping,
                       controllers & profiles go first

                                                        19
woensdag 18 april 12
Bootstrapping and Controllers




                                          20
woensdag 18 april 12
Events




                       Make the component selectable




                          Create a new controller

                                                       21
woensdag 18 april 12
Events




                       app/controller/PictureBox.js
                                                      22
woensdag 18 april 12
Events




                       app/controller/PictureBox.js
                                                      23
woensdag 18 april 12
Events




                          Querying




                       Predefined events

                                          24
woensdag 18 april 12
Events




                       25
woensdag 18 april 12
Data Communication




                                            26
woensdag 18 april 12
Data communication




                               27
woensdag 18 april 12
Model


                                   Model




                       Field


                               Association   Validation


                                                          28
woensdag 18 april 12
Model




                       app/model/Talk.js
                                           29
woensdag 18 april 12
Store


                                   Store




                       Model


                        Filter   Grouper   Sorter


                                                    30
woensdag 18 april 12
Store




                       app/store/Schedule.js




                              app.js
                                               31
woensdag 18 april 12
Proxy


             Store              Proxy            Model




                       Reader           Writer


                                                         32
woensdag 18 april 12
Proxy




                       app/model/Talk.js

                                           33
woensdag 18 april 12
Create a list




                          app/view/Schedule.js

                                                 34
woensdag 18 april 12
Create a list




                          app.js



                                   35
woensdag 18 april 12
Create a list




                          app/view/Main.js
                                             36
woensdag 18 april 12
Data in action!




                            37
woensdag 18 april 12
Device profiles




                                         38
woensdag 18 april 12
Device profiles

          Different devices require different options.


          Tablet has more screen real estate and can provide more
          user interaction than a phone.


          Sencha Touch 2 provides profiles to build concrete
          implementations of the device functionalities.




                                                                    39
woensdag 18 april 12
Profile setup




                          40
woensdag 18 april 12
Profile overriding




                       app/controller/phone/PictureBox.js




                       app/controller/tablet/PictureBox.js
                                                             41
woensdag 18 april 12
Profile overriding




                       app/profile/Phone.js


                                             42
woensdag 18 april 12
Profile overriding




                               Desktop

                                         43
woensdag 18 april 12
Profile overriding




                               Phone




                                       44
woensdag 18 april 12
Profile overriding




                               Tablet
                                        45
woensdag 18 april 12
Theme editing




                                       46
woensdag 18 april 12
woensdag 18 april 12
Installing Compass




                       gem install compass
                                             48
woensdag 18 april 12
The scss file



                            Extension: .scss



                          compass compile


                           compass watch


                                               49
woensdag 18 april 12
The scss file




                          50
woensdag 18 april 12
Compass Variables




                                sdk/resources/themes/
                              stylesheets/sencha-touch/
                                default/_variables.scss


                                                          51
woensdag 18 april 12
Compass Mixins




                           52
woensdag 18 april 12
Tips and conclusions




                                              53
woensdag 18 april 12
Quick Tips


          •Well documented on http://docs.sencha.com

          •Sencha Command

          •Sencha Designer 2 Beta

          •Keep your views clean, use controllers!

          •Mobile devices have limited hardware


                                                       54
woensdag 18 april 12
Need another look?




                               http://www.github.com/
                               Martin1982/4Developers




                                                        55
woensdag 18 april 12
Hungry for more?????




                                  June 7 - 8 - 9, 2012
                           Amsterdam RAI (The Netherlands)
                              http://mobileconference.nl
                  Dutch PHP Conference visitors can attend the mobile conference and vice versa!



                                                                                                   56
woensdag 18 april 12
Questions ?




                                     57
woensdag 18 april 12
Thank you!
                               Contact details:
                         Twitter: @Martin1982
                        mdkeijzer@ibuildings.nl




woensdag 18 april 12
Bonus!
                       Debugging explained




                                             59
woensdag 18 april 12

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Sencha Touch 2

  • 1. Building mobile web applications with Sencha Touch 2 Martin de Keijzer 4Developers (Poznan, Poland) / April 18th 2012 woensdag 18 april 12
  • 2. About me Martin de Keijzer Dutch web developer Working for Ibuildings PHPBenelux Board Member @Martin1982 http://www.martindekeijzer.nl 2 woensdag 18 april 12
  • 3. Why mobile? 3 woensdag 18 april 12
  • 4. Apps Languages Apple: Objective-C Android: Java Windows Phone: C# / Visual Basic Distribution Methods Apple: AppStore Android: Market Windows Phone: Microsoft Market Place 4 woensdag 18 april 12
  • 5. Web Apps Available through the web Platform independent Can be transformed to an App-like experience Can be wrapped as native apps 5 woensdag 18 april 12
  • 7. The Sencha Touch way Building applications, not websites Pure JavaScript Touch framework MV(S)C Paradigm Based on ExtJS 4 Downloadable from http://www.sencha.com 7 woensdag 18 april 12
  • 8. Getting started 8 woensdag 18 april 12
  • 9. Quick start: Sencha Command sencha generate app <name> <path> 9 woensdag 18 april 12
  • 10. Quick start: Sencha Command •App •Resources •SDK (DO NOT TOUCH!) •app.js •.json files •index.html 10 woensdag 18 april 12
  • 11. Quick Start: Sencha Command Webkit 11 woensdag 18 april 12
  • 12. User interface Abstraction of various app-interface ui elements: containers panels tabpanels carousels lists forms toolbars 12 woensdag 18 april 12
  • 13. Creating views app/view/Pictures.js 13 woensdag 18 april 12
  • 14. Creating views 14 woensdag 18 april 12
  • 15. Creating views /app.js 15 woensdag 18 april 12
  • 16. Creating views app/view/Main.js 16 woensdag 18 april 12
  • 17. Creating views 17 woensdag 18 april 12
  • 18. Creating views 17 woensdag 18 april 12
  • 19. Taking control 18 woensdag 18 april 12
  • 20. Bootstrapping and Controllers /app.js Final point of bootstrapping, controllers & profiles go first 19 woensdag 18 april 12
  • 21. Bootstrapping and Controllers 20 woensdag 18 april 12
  • 22. Events Make the component selectable Create a new controller 21 woensdag 18 april 12
  • 23. Events app/controller/PictureBox.js 22 woensdag 18 april 12
  • 24. Events app/controller/PictureBox.js 23 woensdag 18 april 12
  • 25. Events Querying Predefined events 24 woensdag 18 april 12
  • 26. Events 25 woensdag 18 april 12
  • 27. Data Communication 26 woensdag 18 april 12
  • 28. Data communication 27 woensdag 18 april 12
  • 29. Model Model Field Association Validation 28 woensdag 18 april 12
  • 30. Model app/model/Talk.js 29 woensdag 18 april 12
  • 31. Store Store Model Filter Grouper Sorter 30 woensdag 18 april 12
  • 32. Store app/store/Schedule.js app.js 31 woensdag 18 april 12
  • 33. Proxy Store Proxy Model Reader Writer 32 woensdag 18 april 12
  • 34. Proxy app/model/Talk.js 33 woensdag 18 april 12
  • 35. Create a list app/view/Schedule.js 34 woensdag 18 april 12
  • 36. Create a list app.js 35 woensdag 18 april 12
  • 37. Create a list app/view/Main.js 36 woensdag 18 april 12
  • 38. Data in action! 37 woensdag 18 april 12
  • 39. Device profiles 38 woensdag 18 april 12
  • 40. Device profiles Different devices require different options. Tablet has more screen real estate and can provide more user interaction than a phone. Sencha Touch 2 provides profiles to build concrete implementations of the device functionalities. 39 woensdag 18 april 12
  • 41. Profile setup 40 woensdag 18 april 12
  • 42. Profile overriding app/controller/phone/PictureBox.js app/controller/tablet/PictureBox.js 41 woensdag 18 april 12
  • 43. Profile overriding app/profile/Phone.js 42 woensdag 18 april 12
  • 44. Profile overriding Desktop 43 woensdag 18 april 12
  • 45. Profile overriding Phone 44 woensdag 18 april 12
  • 46. Profile overriding Tablet 45 woensdag 18 april 12
  • 47. Theme editing 46 woensdag 18 april 12
  • 49. Installing Compass gem install compass 48 woensdag 18 april 12
  • 50. The scss file Extension: .scss compass compile compass watch 49 woensdag 18 april 12
  • 51. The scss file 50 woensdag 18 april 12
  • 52. Compass Variables sdk/resources/themes/ stylesheets/sencha-touch/ default/_variables.scss 51 woensdag 18 april 12
  • 53. Compass Mixins 52 woensdag 18 april 12
  • 54. Tips and conclusions 53 woensdag 18 april 12
  • 55. Quick Tips •Well documented on http://docs.sencha.com •Sencha Command •Sencha Designer 2 Beta •Keep your views clean, use controllers! •Mobile devices have limited hardware 54 woensdag 18 april 12
  • 56. Need another look? http://www.github.com/ Martin1982/4Developers 55 woensdag 18 april 12
  • 57. Hungry for more????? June 7 - 8 - 9, 2012 Amsterdam RAI (The Netherlands) http://mobileconference.nl Dutch PHP Conference visitors can attend the mobile conference and vice versa! 56 woensdag 18 april 12
  • 58. Questions ? 57 woensdag 18 april 12
  • 59. Thank you! Contact details: Twitter: @Martin1982 mdkeijzer@ibuildings.nl woensdag 18 april 12
  • 60. Bonus! Debugging explained 59 woensdag 18 april 12