Android

System Requirements For android Installation

    Windows

  • Microsoft® Windows® 8/7/Vista (32 or 64-bit)
  • 2 GB RAM minimum, 4 GB RAM recommended
  • 400 MB hard disk space
  • At least 1 GB for Android SDK, emulator system images, and caches
  • 1280 x 800 minimum screen resolution
  • Java Development Kit (JDK) 7
  • Optional for accelerated emulator: Intel® processor with support for Intel® VT-x, Intel® EM64T (Intel® 64), and Execute Disable (XD) Bit functionality

    Mac OS X

  • Mac® OS X® 10.8.5 or higher, up to 10.9 (Mavericks)
  • 2 GB RAM minimum, 4 GB RAM recommended
  • 400 MB hard disk space
  • At least 1 GB for Android SDK, emulator system images, and caches
  • 1280 x 800 minimum screen resolution
  • Java Runtime Environment (JRE) 6
  • Java Development Kit (JDK) 7
  • Optional for accelerated emulator: Intel® processor with support for Intel® VT-x, Intel® EM64T (Intel® 64), and Execute Disable (XD) Bit functionality
  • On Mac OS, run Android Studio with Java Runtime Environment (JRE) 6 for optimized font rendering. You can then configure your project to use Java Development Kit (JDK) 6 or JDK 7.

    Linux

  • GNOME or KDE desktop
  • GNU C Library (glibc) 2.15 or later
  • 2 GB RAM minimum, 4 GB RAM recommended
  • 400 MB hard disk space
  • At least 1 GB for Android SDK, emulator system images, and caches
  • 1280 x 800 minimum screen resolution
  • Oracle® Java Development Kit (JDK) 7

Installation Android studio

So let's launch Android Studio.exe,Make sure before launch Android Studio, Our Machine should required installed Java JDK 1.7. To install Java JDK,take a references

You will find instructions for installing JDK in downloaded files, follow the given instructions to install and configure the setup. Finally set PATH environment variables to refer to the directory that contains java and javac, typically java_install_dir/bin and java_install_dir respectively.

Once you launched Android Studio,Need to check the components, which are required to create applications, below the image has selected Android Studio,Android SDK,Android Virtual Machine and performance(Intel chip).

Need to specify the location of local machine path for Android studio and Android SDK, below the image has taken default location of windows 8.1 x64 bit architecture.

Need to specify the ram space for Android emulator by default it would take 512MB of local machine RAM.

At final stage, it would extract SDK packages into our local machine, it would take a while time to finish the task and would take 2626MB of Hard disk space.

After done all above steps perfectly, you must get finish button and it gonna be open android studio project with Welcome to android studio.

message as shown below
You can start your application development by calling start a new android studio project. in a new installation frame should ask Application name, package information and location of the project.

After entered application name, it going to be called select the form factors your application runs on, here need to specify Minimum SDK, in our tutorial, I have declared as API21: Android 5.0(Lollipop).

The next level of installation should contain selecting the activity to mobile, it specifies the default layout for Applications.

At the final stage it going to be open development tool to write the application code.This the hello world programme.