Sethu Institute of Technology: Android Introductory Workshop

These are the presentation slides that were used in our Android Introductory Workshop at Sethu Institute of Technology, Madurai that spanned two days. It was interluded with hands-on session.

Transcript

1. Android App Development Introductory Workshop - 1
2. Vijay De Prabu Ranganesh Kumar
3. Key Android Concepts Overview
4. Programming Language Java C/C++
5. Components
6. Components Activities Services Content Providers Broadcast Receivers
7. Components Activity
8. Views, Containers, Resources, and Fragments Views TextView, EditText, Button, Radio Button, ListView, RecyclerView, CheckBox
10. Views, Containers, Resources, and Fragments Containers
11. Resources Res Images Audios Other files(.xml->values, anims)
12. Apps and Packages APK File Package Name
13. Android Devices Types
14. Android Devices Types
15. The Emulator
16. OS Versions and API Levels
17. OS Versions and API Levels • API Level 16 (Android 4.1) • API Level 17 (Android 4.2) • API Level 19 (Android 4.4) • API Level 21 (Android 5.0) • API Level 22 (Android 5.1) • API Level 23 (Android 6.0)
18. Dalvik
19. Processes
20. Processes
21. And Threads... The Main Thread And Threads, we create -> Worker Threads
22. No problem, if you understood very less, until now.
23. Kernel, Drivers, Linux Distros and Custom ROMs Android Introductory Workshop 2
25. Whats’ Kernel?
26. In general, Hardware Applications Shell Libraries and Tools Kernel
27. Analogy
28. bbbhh, Actually like….
29. what kernel contains? • Drivers - s/w btw peripherals & computing s/m • Power Management • Memory Management • Inter Process communication
30. 2007 passed out...
32. Custom ROMs ROM? why this name? default ROM? Merits Demerits- Custom ROM
33. Activity and Intents Android Introductory Workshop 3
34. Activity android.app.Activity UI Component
36. Intent Explicit Implicit Intent Explicit: Intent intent = new Intent(WelcomeActivity.this, MainActivity.class); startActivity(intent);
37. Implicit // Create the text message with a string Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, textMessage); sendIntent.setType("text/plain"); // Verify that the intent will resolve to an activity if (sendIntent.resolveActivity(getPackageManager()) != null) { startActivity(sendIntent);