Google Developers Study Jam: Android for Beginners. Lesson 2

1. Google Developers Study Jam Android for Beginners. Lesson 2 Constantine Mars Co-Organizer @ GDG Dnipropetrovs’k Senior Developer @ DataArt constantine.mars@gmail.com +ConstantineMars
2. Agenda • Enroll to Jam: https://www.udacity.com/account/affiliate/GoogleStudyJams • Go to the course: https://www.udacity.com/course/android-development-for-begi nners--ud837 • Learn • Make Practice Set 2 and send to jam.gdg.dnipro@gmail.com with subject “Practice Set 2”
3. Lesson 2A: Making an App Interactive
4. New project: Just Java
5. Stages of development
6. Stages
7. activity_main.xml
8. Preview
9. Layout
10. Creating an activity
11. Activities
12. Activities
13. File types
15. Comments
16. Bind method in xml
17. Set text programmatically
18. Test count
19. Arithmetic expressions
20. Second TextView
21. Auto-import
22. Prototyping calculations
23. Variables
24. Variables
25. Data Type
26. Variable in code
27. Variable Name https://docs.oracle.com/javase/tutorial/java/nutsandbolts/variables.html
28. Assignment operator
29. Sum up
30. Declaring numberOfCoffees variable
31. Crash
32. Crash
33. Compilation error
34. Make app crash: rename onClick method name
35. DDMS, LogCat, Read Logs
36. Fix the error
37. Adding more controls
38. Test it
39. Debug. Breakpoints
40. Debugging
42. Debugging
53. Variable Scope
54. Global (class) variable
55. .decrement() implementation
56. Lesson 2B: Making an App Interactive
57. Resources http://androidweekly.net/ https://www.materialup.com/ http://www.google.com/design/spec/material-design/introduction.html https://github.com/udacity/Just-Java Udacity course on Git: https://www.udacity.com/course/how-to-use-git-and-github--ud775
58. Changing layout
59. Nested Viewgroups
60. Examples
61. Designing interface
62. Designing interface
66. String
67. String variables
68. Escape sequence
69. Concatenation
70. Concatenation
71. Concatenate string with int
72. Alittle bit more complicated
73. Practice Set 2
76. Score Counter
77. One Team View
78. Two Team Views
79. Extra: try to avoid duplication of xml
80. Reset button
81. Advice: Make an App Than May Save Somebody’s Life
82. See you on certification ceremony :) Study Jam: Android for Beginners Constantine Mars Co-Organizer @ GDG Dnipropetrovs’k Senior Developer @ DataArt constantine.mars@gmail.com +ConstantineMars