1-Amaliy mashg’ulot. Mavzu: Kompyuter va mobil qurilmalar operasion tizimlari. Ishning maqsadi

Mobil qurilmalarga dasturiy vositalar yaratish uchun platformalar.

Nomi	Dasturlash tili
Android	Java, qisman C/C++
Black Berry	Java
iSO SDK	Objective – C, Objective Pascal
Java ME	Java
Windows Phone (WP)	Visual C++, Visual C#, Visual Basic
Marmalade	C/C++
Python	Python
Fire Fox OS	HTML 5, CSS, Java Script

Mobil qurilmalar uchun OT larning qo’llanilish ko’rsatkichlari.

Zamonaviy mobil qurilmalar uchun operatsion tizimlarning asosiy funktsiyalari.

• 
  Touchscreen
  
• 
  Cellular
  
• 
  Bluetooth
  
• 
  Wi-Fi
  
• 
  GPS mobile navigation
  
• 
  camera, video camera
  
• 
  speech recognition, voice recorder
  
• 
  music player
  
• 
  near field communication (NFC)
  
• 
  infrared blaster (IR blaster).
  

Android operatsion tizimi rivojlanish bosqichlari.





Android operatsion tizimining xususiyatlari.

Xususiyati	Xususiyati
Beautiful	UI Android OS basic screen provides a beautiful and intuitive user interface.
Connectivity	GSMG’EDGE, IDEN, CDMA, EV -DO, UMTS, Bluetooth, Wi-Fi, LTE, NFC and WiMAX.
Storage	SQLite, a lightweight relational database, is used for data storage purposes.
Media support	H.263, H.264, MPEG-4 SP, AMR, AMR-WB, AAC, HE-AAC, AAC 5.1, MP3, MIDI, Ogg Vorbis, WAV, JPEG, PNG, GIF, and BMP
Messaging	SMS and MMS
Web browser	Based on the open-source WebKit layout engine, coupled with Chrome's V8 JavaScript engine supporting HTML5 and CSS3.
Multi-touch	Android has native support for multi-touch which was initially made available in handsets such as the HTC Hero.
Multi-tasking	User can jump from one task to another and same time various application can run simultaneously.
Resizable widgets	Widgets are resizable, so users can expand them to show more content or shrink them to save space
Multi-Language	Supports single direction and bi-directional text.
GCM	Google Cloud Messaging (GCM) is a service that lets developers send short message data to their users on Android devices, without needing a proprietary sync solution.
Wi-Fi Direct	A technology that lets apps discover and pair directly, over a high-bandwidth peer-topeer connection.
Android Beam	A popular NFC-based technology that lets users instantly share, just by touching two NFC-enabled phones together.

Mobil qurilmalar uchun dasturiy vositalar.
Android ilovalar yaratish uchun quyidagi xususiyatlardan foydalaniladi:

1. 
   Activities (asosiy java fayllar).
   
2. 
   Services (xizmatlarni chaqirgandagi asosiy jarayonlar).
   
3. 
   Broadcast Receivers (boshqa ilova yoki tizimdan qabul qilgan xabarlarga javob berish).
   
4. 
   Content Providers (bir ilovadan boshqa ilovaga ma’lumot almashish komponentasi).
   
5. 
   Resources (loyihaga tegishli barcha resurslar: layouts, values, strings va boshqalar).
   

Android da oddiy kalkulyator.

Hozirgi kunda Android qurilmalarning jahon bozoridagi turlari.
➤ Smartphones.
➤ Tablets.
➤ E-reader devices.
➤ Netbooks.
➤ MP4 players.
➤ Internet TVs.
Ishni boshlash uchun bizga VirtualBox 6.0.0 dasturi kerak bo’ladi. Ushbu dasturni kompyuterga o’rnatib olamiz. Demak dasturni o’rnatish quyidagicha amalga oshiriladi.
Dastur ustida sichqonchaning chap tugmasini 2 marta bosib ishga tushirib olamiz. Natijada quyidagi oyna ochiladi.
Dasturning hamma sozlamalarini avtomatik holatda qoldirib Next tugmalarini ketma – ketlikda bosib so’ngra Yes tugmasini bosish orqali dasturni o’rnatish jarayoniga tayyorlab olamiz.




Dastur o’rnatilish jarayoniga tayyor holatga kelganidan so’ng Install va o’rnatilish tugagandan so’ng Finish va Yes tugmalarini bosib ishni yakunlaymiz. Natijada bizga dastur bilan ishlovchi muloqot oynasi paydo bo’ladi. Endi bu oynada virtual kompyuterlarni shakillantiramiz.