Android development

Android development

1. Allowed programming languages

   • Java C/C++ HTML/Javascript/CSS
   • SDK
     • JAVA
   • NDK
     • C/C++

2. Major android components

   • Activities
     • Activity life cycle is very important to understand
   • Containers /layout managers
     • XML
     • widgets
       • Image view, Text View, button and so forth
   • Fragments
     • reusable and could be in more than one activity
     • Managed by Fragment manager
   • Intent
     • Parcelable
     • serialisable
   • Android annotation can reduce the amount of code
   • Adapter

3. Opreating system

4. Hardware constraints

   • Screen sizes
   • CPU/GPU
   • Memory
   • sensors/actuators

5. External/internal services

6. Resrouces

7. Data Storage

   • SQLite,online database,array item

8. Thread

   • Thread security
   • Long run task