Installing Android Studio and Hello World App

* {box-sizing:border-box}
body {font-family: Verdana,sans-serif;margin:0}
.mySlides {display:block}

/* Slideshow container */
.slideshow-container {
max-width: 600px;
position: relative;
margin: auto;
}

/* Caption text */
.text {
color: #FFFFFF;
background-color:#000000;
font-size: 15px;
padding: 8px 12px;
position: absolute;
width: 100%;
text-align: center;
}

/* On smaller screens, decrease text size */
@media only screen and (max-width: 300px) {
.text {font-size: 11px}
}

Open android studio setup

Click Next to continue

Select all components to install then click Next

On Licence Agreement click I Agree

if you want, change Installation location of Android Studio and Android SDK then click Next

Click Install

Setup will install android studio and extract SDK

when completed click Next

Select Start android studio then Finish

As a first time it may ask you to import setting from previous version of android studio. Select i do not want to import then Click OK

Android Studio Loading Screen

Android setup guide wizard Shown for first time click next

Select Standard as we don’t want to customize Settings click Next

It will check for SDK updates click finish

It will download updates

when updates installed Completely click Finish

Android Studio is now Installed Successfully and ready to use. Click on start a new Android Studio project

Type Aplication name you want here i typed First App. type company name or keep default. package name automatically generated from company domain and application name. every app must have unique package id. click next

Select Minimum version under phone and tablet. not sure which to select click help me to choose

if you select ice cream sandwich it will support 97% of all available devices. click Ok

I selected gingerbread api 10 for 100% device compatibility. click next

Type of activity/Screen. select empty click Next

Activity name. default is Main Activity click Next

wait till project is loading

Click project on left sidbar -> expand app ->click res ->click layout you can see our activity_main.xml here. double click to open. you can see screen of our app with hello word text. let’s run it. click run button

Select deployment target. no device listed. so click create a new virtual device

select hardware profile from list. i selected Nexus 4. screen size 4.7 resolution 768×1280. click Next

Select system image. I selected nougat api level 24. click Next

Give name for avd click Finish

Now avd is listed select it and click Ok

Wait emulator is starting

Emulator started. our app will get install automatically and start

WOW !!! our first app is now opened.