


- #BUILD A SIMPLE ANDROID APP HOW TO#
- #BUILD A SIMPLE ANDROID APP FULL#
- #BUILD A SIMPLE ANDROID APP SOFTWARE#
- #BUILD A SIMPLE ANDROID APP CODE#
Obviously you can add any others you like.
#BUILD A SIMPLE ANDROID APP SOFTWARE#
Decide on your software type: Just select ‘mobile app’ as a type of software from the list of available options – mobile app, desktop app, wearable app, web, or something else.According to that, corresponding action will be performed respective to button clicked.Line 156 – 183: Here we set clickListener on “=” button. Here we put condition like if user click Add button the crunchifyAddition value is set True on the click listener of Add button.We implement the same logic for other buttons also like buttonSub, ButtonMul, buttonDivision.We also set the crunchifyAddition Boolean value to True. This true represent that add button is clicked and this will be used when user click “=” button.Else we add the two value which are clicked before add button clicked and after add button clicked. Here we put the condition as, if we EditText is Null then we set EditText as empty value.Line 115 – 127: Here we have set the click listener on Add button.We have implemented the same logic for every button.Line 45 – 50: We set onClickListener on Button1. If we click on Button1, EditText will display.Line 21: We override the method onCreate() which is the method of Activity class.Line 16: Here we created two float variable for as value1 and value2.Line 11 – 14: Here we created the reference of Buttons and EditText.You can find the explanation of highlighted line below the code. So open you MainActivity.java file from left side of IDE (app -> java -> -> MainActivity.java).
#BUILD A SIMPLE ANDROID APP CODE#

If you want to cover 100% device then you can select API 8: Android 2.2(Froyo).
#BUILD A SIMPLE ANDROID APP HOW TO#
How to create a Calculator App for Android.Android Development: Creating a Basic Calculator.Building a Simple Calculator using Android Studio.
#BUILD A SIMPLE ANDROID APP FULL#
How to build a simple calculator app – full tutorial.Here is a link again: My first HelloWorld Android App In this article we will create a calculator android app. This is a simple calculator with limited functionality.īefore we go forward it would be nice to go over complete HelloWorld Tutorial. You can find all my other articles in Android section. In that particular app I also explained concepts of android button and basic concepts of android. In my previous article I wrote detailed steps on How to create a simple android application.
