#Simple android app builder how to#
#Simple android app builder full#

Line 115 вЂ“ 127:В Here we have set the click listener on Add button.

We have implemented the same logic for every button.

Line 45 вЂ“ 50:В We set onClickListener onВ Button1.В If we click on Button1, EditText will display.

Line 21:В We override the methodВ onCreate() which is the method of Activity class.

Line 16:В Here we created two float variable for as value1 and value2.

Line 11 вЂ“ 14:В Here we created theВ referenceВ 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 IDEВ (app -> java -> -> MainActivity.java).

Now we have to add our Java code in ourВ MainActivity.java file.

Here is a final project structure for your application.

After clickingВ Finish, it takes around around ~2 minutes to build Activity and files.

LeaveВ the activity name MainActivity as it is and leave everything as it is.

Select the Empty ActivityВ and clickВ NEXT.

If you want to cover 100% device then you can selectВ API 8: Android 2.2(Froyo).

Select theВ Minimum SDK API 15: Android 4.0.3(IceCreamSandwich).В I selected API 15 (IceCreamSandwich) because it covers almost 94% device and it has almost all the features.

Give yourВ Application Name Crunchifењњalculator and leave other fields blank as it is, then clickВ NEXT.

Click onВ Start a New Android Studio Project.

LetвЂ™s get started with ourВ calculator android App: Step-1

#Simple android app builder how to#

How to create a Calculator App for Android.

Android Development: Creating a Basic Calculator.

Building a Simple Calculator using Android Studio.

#Simple android app builder full#

How to build a simple calculator app вЂ“ full tutorial.

Here is a link again: My first HelloWorldВ Android App In this article we will createВ a calculator android app.В This is a simple calculator with limited functionality.Д«efore we go forward it would be nice to go over complete HelloWorld Tutorial. You can find all my other articles in AndroidВ 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.