Android Learning (1)--androidstudio installation and HelloWorld

Androidstudio Installation

1. Download Androidstudio
   Http://www.android-studio.org/index.php/component/content/category/88-download

2. Installation is all the way next
   However, I recommend that you choose the SDK installation path, do not select the path to the C-drive user, you will find all the downloaded SDK and Google's USB driver in this folder, C-drive cannot hold

Write a HelloWorld

1. First, create a new project
   
   Here is the application name is the project name, after installing your apk on the phone, the app name is here application name

2. Select Android version
   
   Where the minimum SDK is the lowest compatible version of the program. Choose 4.4 can, of course, you can also now lower version, so compatible with more mobile phones, but it is better to choose more than 4

3. Select a blank activity
   

4. Give the activity a name.
   

This concludes with a simple HelloWorld Android app

Let's talk about how to run our programs with virtual machines and real machines.

1. Using an Android virtual machine
   
   Click on the icon in the box to enter the Android virtual machine settings

Click Add Virtual Machine

Select a phone model

Set the Android model for your phone model

I am following the default settings for this item

OK below we click to run our Android program

The leftmost first icon is the one that compiles our Android program
The right-most triangle icon is responsible for directly running our program, click on the icon to run the program

If normal, it will appear.

But if the port does not open the situation, the computer on the mobile Phone Assistant program is uninstalled, or not let it run, try again.

Android Learning (1)--androidstudio installation and HelloWorld