Android application and android operating system

Android:•Software stack for mobile devices•Includes an operating system, middleware and key applications•Designed primarily for touchscreen mobile devices

Android Application:An Android app is a software application running on the Android platform.

Development requirements:•Java•Android SDK•Eclipse IDE (optional)

This application is for user’s better feelings. First it will check the feelings of people and will show messages, pictures and some thing funny and interesting for user to make his/her feelings better than he/she has. User also can keep his/her quotes in here.

My Android Application:

Another Activities of My Application:

Android Operating System:• Applications• Application Framework• Libraries and Android Runtime• Linux Kernel

Connection of My Application with Android Operating System:

LIBRARIES

SGL

SQLite

ANDROID RUNTIME

Core Libraries

Dalvik Virtual Machine

APPLICATION FRAMEWORK

APPLICATION

Activity Manager

Notification Manager

The View System

Resource Manager

Activity is running

Activity starts

Process is killed

Activity is shut down

The activity comes to the foreground

The activity is no longer visible

Other applications need memory

User navigates back to the activity

onRestart()

onDestroy()

onStop()

onStart()

onCreate()

Process Of My Application:

Thank You