Android



ANDROID INTRODUCTION

 OVERVIEW

Android is an open-source and Linux-based operating system where we can use it in smart phones,Tablet, Net book, smart watches, car computers etc. Android is platform-independent language that enables you to compile an application on one platform and execute it on any platform. This saves your effort to write and compile the same applications for different platform.

ANDROID-VERSION


Version Code Name API Level
Android 4.2 Jelly Bean (API level 17)
Android 4.1 Jelly Bean (API level 16)
Android 4.0.3-4.0.4 Ice Cream Sandwich (API level 15)
Android 4.0-4.0.2 Ice Cream Sandwich (API level 14)
Android 3.2 Honey Comb (API level 13)
Android 3.1 Honey Comb (API level 12)
Android 3.0 Honey Comb (API level 11)
Android 2.3.3-2.3.7 Ginger Bread (API level 10)
Android 2.3-2.3.2 Ginger Bread (API level 9)
Android 2.2-2.2.3 Froyo (API level 8)
Android 2.1 Eclair (API level 7)
Android 2.0.1 Eclair (API level 6)
Android 2.0 Eclair (API level 5)
Android 1.6 Donut (API level 4)
Android 1.5 Cupcake (API level 3)
Android 1.1 - (API level 2)
Android 1.0 - (API level 1)

Android version code name now reaches alphabet a to j.

Comments

Post a Comment

Popular posts from this blog

SQLiteDatabase With Multiple Tables

Image
In the previous post,We discuss about Android SQLite Database . In this post we are going to discuss about how to create multiple tables in SQLite database.Here, We  are going to use four classes.There are, 1.SQLiteActivity 2.DatabaseHandler 3.StudentModel 4.TeacherModel SQLiteActivity :     SQLiteActivity is used to create the instance of DatabaseHandler and access its methods. DatabaseHandler :           DatabaseHandler is used to create the SQLite database and to perform CRUD operation.   StudentModel :      StudentModel contains student get() and set() method. TeacherModel :      TeacherModel contains teacher get() and set method. You can download source code here . This is code for   SQLiteActivity package com.etr.sqlitedatabasewithtwotablesexample; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.Menu; public class SQLiteActivity extends Activity { DatabaseHandler mDBHandler; @Override pr
Read more

Programmatically turn ON/OFF WiFi on Android device

WifiManager provides the primary API for managing all aspects of WI-FI connectivity.we can get WifiManager instance through  Context.getSystemService(Context.WIFI_SERVICE). WifiManager is used to find the currently active Wi-Fi network and change the Wi-Fi State. Create Android Project with name as "TurnOnWIFI" with package name "com.etr.turnonwifi". Create Activity with name as "MainActivity" and it will turn ON/OFF Wi-Fi. This is the code for MainActivity. package com.etr.turnonwifi; import android.app.Activity; import android.content.Context; import android.net.wifi.WifiManager; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class MainActivity extends Activity { Button start, stop; @Override protected void onCreate(Bundle savedInstanceState) { try { su
Read more

Android Service and IntentService

Service is an application component. Service which runs on background for a long time without a help of user interface. Service can even start up from another application component like Activity,Broadcast receiver and it will continue to run in the background even if the user switches to another application. For example, a service might handle network transactions, play music, perform file I/O from the background. Android has two type of service namely 1.Service 2.IntentService Difference between these two services are Service run on main UI Thread, while IntentService creates a worker thread and uses that thread to run the service. IntentService creates a queue that passes one intent at a time to onHandleIntent(). Service want to stop manually by stopService() and stopSelf(). Meanwhile,IntentService will stop automatically after the completion of work. IntentService implements onStartCommand() that sends Intent to queue and to onHandleIntent(). Create Android P
Read more