AndroidHow To

Learn how to Develop Basic Rectangular App for Android

Development of basic rectangular android app

Hello all,

Today, I introduce one more Android tip, a basic simple Android Application, basic rectangular. I will develop a simple application to calculate the parimeter and the area of a rectangular.

Purpose of this application:

  • Be familiar with Android environment development.
  • Be familiar with an Android project organization.
  • Create an Android project, basic layout.
  • Know about basic java.
  • Know about three basic widgets: TextView, EditText and Button.
  • Know about Click event for Button.

Let’s do it

I. IN ACTIVITY_MAIN.XML

  • Create 2 Edit Text for 2 values: Length and Width

 

 

  • Create a Button to calculate the perimeter and the area

 

  • Create a Text View to show the result.

 

II. IN MAINACTIVITY.JAVA

  • Create Text View, Edit Text and Button.

 

  • In btn_result, add setOnClickListener event for the button.

 

  • In onClick class, I create length and width variables, get the values from Edit Text and add to length and width variables.

 

  • Create perimeter and area variables.

 

  • Final, I add the result to the Text View.

sdsd

About author

Articles

Morris is a Technology enthusiast and a writer by night. He has been a part of TheTechly for quite some time and he contributes knowledgeable news articles from the Technology niche.
Related posts
How To

How to Bring Your Product to Market Faster

If you watch tech YouTube channels, you are most likely familiar with Linus Tech Tips (LTT) and the…
Read more
BusinessHow To

How to Keep Your Business Online – No Matter What

If you’re selling the majority of your products and services online, then even an hour of…
Read more
How To

How to recognize a Forex Trading Scam?

Forex trading is not a scam in itself. It is a legitimate way to make money. And Forex has grown in…
Read more
Newsletter
Become a Trendsetter

Sign up for TheTechly’s Daily Digest and get the latest and trending technology updates.

[mc4wp_form id="729"]