Pendahuluan Android

1. Pendahuluan Android Sekilas tentang Android

2. Apa itu Android ? Android adalah sebuah system operasi yang dikembangkan oleh Google untuk perangkat bergerak seperti Smart Phone, Glass, Smart Watch, Smart TV, Smart Car, dll.

3. Apa itu Android ? • A Software platform and operating system for mobile. • Based on the Linux kernel. • Android was found way back in 2003. • It was developed in Palo Alto, California. • Android was purchased by the GOOGLE in AUGUST,2005 for US$ 50 million.

4. Siapa Pembuat Android ?

5. Open handset alliance (oha) • It’s consortium of several companies. • This group of companies are allowed to use source code of Android and develop applications. • Reason for Nokia not to develop Android Mobiles is Nokia is not part of OHA.

7. OS Update

8. Kenapa Android ? • Didukung penuh oleh Google • Perkembangan yang sangat cepat • Mendukung berbagai macam perangkat • Jumlah aplikasi paling banyak diantara OS lainnya • Global partnership program • Open Market Place • Dukungan banyaknya Developer • Gratis

9. Perbandingan Jumlah Aplikasi

10. Kenapa Android App ? Ribuan aplikasi baru yang berkembang sangat cepat Memudahkan berbagai keperluan pengguna Mudah di akses

11. Java Technology Java dalam Pemrograman Android

12. Java Family 1. Java StandardEdition(Java SE) ○ Desktop,Client/ServerApplication 2. JavaEnterpriseEdition(JavaEE) ○ e-bussiness,e-commerce, webbasedApplication 1. JavaMicroEdition(JavaME) ○ handheldapplication: palm, handphone,etc.

13. Kenapa Android menggunakan Java ? 1. Banyak Programmer yang menguasai Bahasa Pemrograman Java Java mempunyai platform Java ME Bisa berjalan di VM (Virtual Machine) Android digunakan di berbagai platform Memiliki dukungan open source yang besar 2. 3. 4. 5.

14. Kenapa Android menggunakan Java ?

15. The Android Software Architecture • Linux kernel • Libraries • Android run time • core libraries • Dalvik virtual machine • application layer • application framework

17. Linux Kernel • Device drivers • Memory management • Process management • Networking

18. Libraries • C/C++ libraries • Interface through Java • Surface manager – Handling UI Windows • 2D and 3D graphics • Media codes, SQLite, Browser engine

19. Android Runtime • Dalvik VM. • Dex files • Compact and efficient than class files • Limited memory and battery power • Core Libraries • Java 5 Std edition • Collections, I/O etc… • Providing most of the functionality available in the core libraries of the Java language.

20. Application Framework • API interface : • Activity manager – manages application life cycle • Android provides a set of core applications: • Email Client • SMS Program • Calendar • Maps • Browser • Contacts,Etc. • All applications are written using the Java language. • APIs • Data Structures • Utilities • File Access • Network Access • Graphics • Etc

21. Android Application Development Android SDK Eclipse IDE Android Mobile Device Android Emulator

22. Android Development Java Source Android Manifest Generated Class Java Compiler .dex File Dalvik VM Resource XML Android Libraries

23. Android Development Tool • Android Emulator-A virtual mobile device that runs on our computer -use to design, debug, and test our applications in an actual Android run-time environment • Android Development Tools Plugin-for the Eclipse IDE – adds powerful extensions to the Eclipse integrated environment • Dalvik Debug Monitor Service (DDMS) -Integrated with Dalvik-this tool let us manage processes on an emulator and assists in debugging

24. Komponen android…

25. Komponen android… Acvitivy “User interface yang bisa digunakan untuk berinteraksi antara user dengan aplikasi” activity

26. Komponen android… views • basic building block for user interface components •  a rectangular area on the screen and is responsible for drawing and event handling • Example Button, EditText, Listview,CalendarView,Checkbox,ImageView,TextView etc views

27. Komponen android… intent • a facility for late run-time binding between components in the same or different applications • Example 1 : from Login page to dashboard page • Example 2: from whatsapp -> activating camera intent

28. Komponen android… BroadcastReceiver • a component that responds to system-wide broadcast announcements • Example 1 : Batteray low • Example 2 : screen has turned off • Example 3 : picture was captured BroadcastReceiver

29. Komponen android… Service • a component that runs in the background to perform long-running operations or to perform work for remote processes • No need User Interface • Example 1 : music player • Example 2 : Tweeter App when fetching new tweet • Example 3 : perform file I/O Service

30. Komponen android… Content Provider • A content provider manages a shared set of application data • No need User Interface • Example 1 : manage User Contact • Example 2 : manage SQLite database Content Provider

31. Multiple Screen Supporting different device Multiple screen

32. Kelebihan Android • Karena Opensource sehingga perkembangan aplikasi dan OS sangat cepat • Android Market menyediakan banyak Aplikasi yang gratis • Bisa menikmati seluruh layanan google • Dapat dilakukan update Firmware • Mempunyai hak akses root atau Super user • Instalasi aplikasi dapat diletakkan di microSD • Dapat di overclock ponselnya • Dapat dibuat virtual memory dengan ext3

33. Kekurangan OS Android • Proses update firmware, rooting dan app2sd sedikit menyulikan untuk user pemula, dan berakibat fatal jika mengalami kesalahan. • Banyak aplikasi yang membutuhkan Rooting, spt shootme, quickboot dll sehingga tidak bisa berjalan jika belum di root • Battere boros terutama untuk kebutuhan streaming • Banyak menghabiskan bandwidth • Belum tersedia Video Call

34. Prospek Ponsel berbasis Android Sumber: VivaNews

35. Aplikasi Untuk Membuat Apikasi Android