Android Practical Notes | B.Sc. (Information Technology) Semester 5 | Mumbai University | munotes

Contents

Module I Android Fundamentals & UI Design

1. How This Paper Is Examined, and What Your Journal Must Contain 1
2. What Android Is, and What You Are Building 4
3. Installing Android Studio and the SDK 7
4. Making Your First Project, and Choosing Java 10
5. Inside an Android Project: Every File and What It Is For 13
6. The Manifest: What It Declares, and Why It Must 16
7. Gradle: What It Is, and the Numbers You Must Set 18
8. The Android Virtual Device: Making One, and What Each Setting Decides 21
9. Practical 1: Hello World, Written, Built and Run 24
10. What Happens When You Press Run 27
11. Reading Logcat 30
12. When It Will Not Build: Reading the Error 32
13. Practical 2: Resources, and Why Android Keeps Values Out of the Code 35
14. strings.xml, and Why a Hard Coded String Is Marked Down 37
15. dimens.xml, dp and sp 39
16. colors.xml and themes.xml 41
17. Drawable Resources: A Shape Drawn in XML 43
18. Reading a Resource from Java 46
19. Practical 3: The Activity Lifecycle 48
20. Watching the Lifecycle Happen in Logcat 52
21. Rotation: The Activity Is Destroyed and Rebuilt 54
22. Practical 4: What a Fragment Is, and Adding One 57
23. The Eleven Fragment Callbacks 61
24. Practical 5: Replacing a Fragment, and the Back Stack 63
25. Practical 6: The Fragment Speaks to Its Activity 66
26. The Activity Speaks to Its Fragment 70
27. How a Layout Is Measured 72
28. Why Your First Screen Hides Under the Clock 74
29. Practical 7: LinearLayout 77
30. Weights, and the 0dp Rule 80
31. Practical 8: RelativeLayout 82
32. Practical 9: TableLayout, and a Registration Form 85
33. Checking the Form Before You Accept It 88
34. Practical 10: ScrollView 91
35. Practical 11: AbsoluteLayout, and Why It Was Deprecated 94
36. Practical 12: FrameLayout 97
37. What an Adapter Is 100
38. Practical 13: ListView with ArrayAdapter 102
39. Answering a Tap on a Row 105
40. Practical 14: GridView with a Custom Adapter 107
41. getView, convertView, and Why the Grid Stays Smooth 110
42. Practical 15: RecyclerView 112
43. The ViewHolder, and Telling the Adapter What Changed 116

Module II Android System Components & Data Handling

1. Practical 1: The App Bar and the Options Menu 118
2. showAsAction and the Overflow 122
3. Practical 2: AlertDialog 124
4. A Dialog with a Layout of Its Own 127
5. Practical 3: Context Menus and Popup Menus 130
6. What an Intent Is 133
7. Practical 4: Explicit Intents, and Carrying Data 135
8. Getting an Answer Back 138
9. Implicit Intents, and Letting the Device Choose 140
10. Package Visibility, and Checking Before You Send 142
11. Practical 5: Event Handling with Listeners 144
12. The Return Value That Decides What Happens Next 147
13. Practical 6: Spinners and the Adapters That Fill Them 149
14. Filling One Control from Another, and a List That Grows 152
15. What a Service Is, and What It Is Not 154
16. Practical 7: A Started Service 157
17. A Bound Service 160
18. Practical 8: Notifications 163
19. The Permission, the Tap, and the Three Styles 167
20. Practical 9: Broadcast Receivers 170
21. Static and Dynamic, and What the Platform Took Away 173
22. SQLite on Android 175
23. Practical 10: Create, Read, Update and Delete 178
24. Looking at the Database on the Device Itself 182
25. Practical 11: A Table on the Screen 184
26. Why the Network Is Not on the Main Thread 188
27. Practical 12: Fetching JSON from a Web Service 190
28. Reading JSON with org.json 194
29. Cleartext, and the Address the Emulator Uses 197
30. Practical 13: Threads and Handlers 200
31. postDelayed, and Cleaning Up After Yourself 204
32. Practical 14: MediaPlayer 206
33. TelephonyManager, and What It Will Tell You 209
34. Practical 15: Runtime Permissions 211
35. The Three Answers, and the Refusal You Cannot Ask Again 215
36. Securing the Manifest 218
37. The Practical Slip, the Journal and the Viva 221