Create a Calculator App in Minutes - Android Studio Tutorial

In this tutorial, you'll learn how to create a calculator app in minutes using Android Studio. By the end, you'll have a working app that you can test on your phone or device.

This calculator app tutorial is a great way to get started with Android development! In this video, we'll take you through the entire process of creating a calculator app in Android Studio. This app can be used by students throughout the world, so be sure to give it a try!

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[dgfuhen]

thank you so much, Everything was clear and simple,
(I had a problem with the switch but it worked with if)

[pxpjuxk]

Its very nice, but please don't rush the teaching, it's better to thoroughly explain each step for what and how it works. ❤

[sonvenasushil]

How to remove error
Case R.id.btn

Constant expression required

[Account-user]

Sir it is showing error running app no target device found when I am running the mainactivity... What to do??

[xdgogo]

How to resolve the error "Constant expression required" on case R.id.btn_add:?

[pop-osyk]

which version of android studio are you using?

[muhammadardialfianto]

1:39
you type in your code in this arrangement :

android:textStyle="bold"
android:textSize="30sp"

It should be in that order ? Or we can put it in randomly ?
And, does this code work for Android Studio Giraffe ?

[nandhini]

Sir i got constant expression required error in swicth case what to do sir?

[srikanthchityala]

Res > Layout is missing in my laptop

[RadhikaKapoor-cobl]

Such a great tutorial for beginner. Really appreciate.
I am unable to download source code, kindly help to get code for practice.

[YAMAHA_FAN_BOi_]

Sir i need to make a app having 4 custom put values arithmetic answers

[jayavardhanp]

2 errors its saying "Touch target size too small" for enter the number text both

[SumitKumar-wojq]

It is showing constant expression requires

[kaga]

sorry but my answers is not showing up in the textview

[muhammadasyraf]

hello sir thanks for sharing the education, i have question for you, why you use linear layout instead use constraint layout?
imo constraint layout more option for layout, thanks for answer

[harshildave]

idk why i am having error in switch case, errors are coming in all line which contain case. The error is Constant Expression required. Can anybody help me out pls

[codevillain]

@CodesEasy i am getting error like Constant expression required in the place of swith case

[kdnkfin]

I am getting error Constant expression required 4 times because of cases you used how can i fix it i think we need to import something can i get the import code

[varunsai]

Hello sir, how can we export these apps into realtime??

[md.ziaurrahman]

how to show . 33 after divided
2 decimal place code pls