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Android App Development Tutorial for Beginners - Your First App

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freeCodeCamp.org

freeCodeCamp.org

Күн бұрын

Let's build our first Android app - a tip calculator! This video assumes NO prior experience with Android, and by the end you'll have something an app you could publish. We'll cover how to create the user interface with XML, and how to code the logic using the Kotlin programming language. These are the fundamental building blocks of any modern Android app.
We'll use the ConstraintLayout for the layout and two event listeners for the app logic. After you enter a base amount and a tip percentage, the app will calculate the tip and total for you. We also implement a tip percentage animation and a footer to make our app more unique.
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Пікірлер: 256
@salthesadmanshark5645
@salthesadmanshark5645 11 ай бұрын
This video alone had more content and clarity than my 3 weeks' worth of uni lectures. Words cannot describe how thankful I am for this video.
@storyhearth
@storyhearth Жыл бұрын
Thanks to this tutorial I have crafted my first ever app on my own! Never worked with Koltin before so that was interesting for sure. I have had ideas of apps to create before but always struggled this was a great call to simplicity and to let the software handle the creating rather than knowing the documentation of every function known to man. Thank you so much.
@wahbakamaluddin
@wahbakamaluddin Жыл бұрын
For those who got error: Expecting ')' on 27:03 (the 'msg' text appears red), you actually don't need to type the word 'msg' it will automatically appears before the statement. For more explanation, you can go to 31:16 .
@akeylawhite9217
@akeylawhite9217 Жыл бұрын
Was pulling my hairout on that, thank you!
@expeknow
@expeknow Жыл бұрын
I have learnt soo many things from this course! Please complete the course and by the end, you'll feel like you are completely a new person 💞 just trust the process!
@SatishMarisetty
@SatishMarisetty Жыл бұрын
android studio's UI is very different now right? i can't find "activity_main.xml" and palette
@riju1956
@riju1956 2 жыл бұрын
basically we are just paying to our college for a piece of paper (degree) and learning from utube university
@cpwithtausif4866
@cpwithtausif4866 2 жыл бұрын
Lol so true
@omarelwan5178
@omarelwan5178 2 жыл бұрын
It's bad fact 😓
@hemantakakati1103
@hemantakakati1103 2 жыл бұрын
CS is not just android dev and web dev it is much more deeper than that and thts what we learn in degree
@bka9705
@bka9705 2 жыл бұрын
sad truth
@mylifesameme8105
@mylifesameme8105 2 жыл бұрын
@@hemantakakati1103 Actually, I'm in university right now for cs and everything I'm learning, you can basically find on the internet or youtube. In fact most of the stuff I learn, I later use youtube or google to help me learn it better. The only thing that school does is it tests your ability on your skills for cs and puts them more on display for you to get good paying jobs. But this can also be done if you're a passionate programmer who puts his own time and effort into creating a portfolio of your own projects and programs that you've built to still getting good paying jobs out there. So you don't necessarily have to go to college or university if you're already a passionate programmer who thinks that you can utilize your time much better on your own in creating a portfolio that is much better than a degree.
@LadyMcN
@LadyMcN Жыл бұрын
It took me a lot longer than I'd like to admit, but I finished creating this app. I chose some different colors for the theme. Now I'm going to try building this out a little bit. Thank you for your work on this tutorial!
@LadyMcN
@LadyMcN Жыл бұрын
Finished the extensions with some trial and error. Now I want to add an image.
@LadyMcN
@LadyMcN Жыл бұрын
Finished the app to my satisfaction. It looks a little dopey but I was able to accomplish what I set out to do. Now I'm going through the publishing experience. After that, I'll be designing a new app. So I hope I can find a tutorial or two on app user interfaces and how to make them intuitive and appealing.
@severussnapeytp715
@severussnapeytp715 Жыл бұрын
​@@LadyMcN Update us when you finish your next project!!
@blackaamoor
@blackaamoor 11 ай бұрын
This tutorial is full of insights and information both for kotlin as a language and android development, i learnt so much and will definitely recommend to other beginners like me. thanks
@EnglishRain
@EnglishRain 2 жыл бұрын
Rahul is my go-to teacher for Kothin + Android, thank you!
@gholamsoori3595
@gholamsoori3595 2 жыл бұрын
Deeply appreciated!. It is really a perfect tutorial for the kotlin's beginners. I have really enjoyed it.
@yung_banned
@yung_banned 11 ай бұрын
Hey I know this tutorial is old by now but I just followed along and I just made my first app. Its amazing thank you for this amazing experience!!!
@paramitasaha2063
@paramitasaha2063 10 ай бұрын
How much time needed?
@SakuraMorandi
@SakuraMorandi 9 ай бұрын
old? only 2 years old.
@forehead411
@forehead411 3 ай бұрын
Took me two days but i made it! My first app! Thank you for this clear tutorial
@QuransGems-zd1jd
@QuransGems-zd1jd 23 күн бұрын
yo why was I watching the 4 hours course of the same guy, is this what I need as a beginner!
@dluca182
@dluca182 2 жыл бұрын
I loved this tutorial! Perfect explanation, simple concept, and great for dipping the toes... Android studio is complicated AF thanks a lot!
@bobbyfried7478
@bobbyfried7478 6 ай бұрын
it's really not. it's just so many parts gives it the illusion of complexity. be calm and you'll see (as i did) it's really user friendly. the software does the heavy lifting.
@OverrideTips
@OverrideTips 6 ай бұрын
You can also reformat (I believe this applys only for eclipse keymap) Ctrl + Shift + f to format all (once all is selected).
@georgiasoftworkssupport5792
@georgiasoftworkssupport5792 2 жыл бұрын
good tutorial. I followed along doing this in java with no problems. It does a good job introducing to android apps as well as starting to use android studio.
@mrrishiraj88
@mrrishiraj88 2 жыл бұрын
Appreciate your efforts and love towards open source and humanity 🙏
@davidalex684
@davidalex684 11 ай бұрын
I really appreciate the work you all put in order for people to learn
@unprofessional_yuli
@unprofessional_yuli Ай бұрын
I have no clue what magic is this but it works.
@goutam_chowdhury666
@goutam_chowdhury666 2 жыл бұрын
Indians are really good at programming, i'm anxious about my future in career opportunities because it has lots of competition are there in the it sector 😁😁
@DipakKumar-ey9ix
@DipakKumar-ey9ix 2 жыл бұрын
apne muh miya mitthu !!!!
@jonathanvillatorocordoba7511
@jonathanvillatorocordoba7511 2 жыл бұрын
Thank you! This was an amazing tutorial, this is my very first kotlin Android App!
@danny117hd
@danny117hd Жыл бұрын
Under 8 minutes for me to subscribe. This is exactly what I needed to get back into android!
@felixhacker6251
@felixhacker6251 Жыл бұрын
i like you man!!!!!
@kristinaloncar778
@kristinaloncar778 Жыл бұрын
A great intro into Kotlin app making. Thank you!
@nocopyrightgameplaystockvi231
@nocopyrightgameplaystockvi231 2 жыл бұрын
Kotlin is love! Readability of python with Java's performance.
@tan8067
@tan8067 2 жыл бұрын
You pc is fast! Mine was stuck for 30 minutes and blue screened me lol. I had to use my phone to test the app instead of the in built phone. Thank you so much though.
@bobbyfried7478
@bobbyfried7478 6 ай бұрын
I run Linux and had no issues. it worked great for me.
@DanielJamesOHalloran
@DanielJamesOHalloran 6 ай бұрын
Put out more videos like this!!! They help newbies!
@komalac.n.1540
@komalac.n.1540 Жыл бұрын
Great Tutorial for beginners with clear explanation. Very helpful. Thanks
@poppopwalker
@poppopwalker 2 жыл бұрын
Learning a lot from this, Thanks Rahul! many blessings!
@silentedict4256
@silentedict4256 Жыл бұрын
Thank you! Great tutorial, easy to follow and a great intro to the world of app development.
@JamesAmbole
@JamesAmbole Жыл бұрын
Thanks Rahul!!!. First Android app for me created and fully functional.Thank you -
@natnaelsisay1424
@natnaelsisay1424 5 ай бұрын
This is a real beginner video. Thank you
@ScamCast
@ScamCast Жыл бұрын
At 23:43, I didn't realize it was adding the imports when you selected EditText from the dropdown. I manually typed it and was wondering why I was getting errors. Was missing the imports... 😯😯
@adipurnomo5683
@adipurnomo5683 2 жыл бұрын
28:07 Awesome. You show how to debug ☺️
@richiembatiah5013
@richiembatiah5013 Жыл бұрын
Thanks so much for the amazing work.🙏💯 please publish more videos on more complex and advanced project with the exact amount of detail including features such as navigation, working with local storage, databases, maps, QR codes, verification codes, in app calls or messages and navbar toggle buttons as well. Would greatly appreciate and contribute to your growth as well.
@mikeydrop
@mikeydrop 2 жыл бұрын
thank you. think i will learn Kotlin to keep my brain active.
@shammijayasinghe5696
@shammijayasinghe5696 Жыл бұрын
Thank you so much Rahul.. It is amazing first experience in development of Android Apps
@chrakesh5181
@chrakesh5181 Жыл бұрын
Your Explanation is awesome Sir ! Kindly post link of video or videos of you, so that maximum android development topics will cover ,, Thank you
@bobbyfried7478
@bobbyfried7478 6 ай бұрын
excellent!!!! thank you for your tutorial. it's a great tool( and i never had to resort to java lol..i've hated java for decades but willing to learn it anyway) i hope this is just a starting point for me. i have some ideas for apps i want to create. probably beyond the scope of this video but a great introduction to Android Studio. i really thought creating an app was beyond me. you have shown just how (believe it or not) actually user friendly it is (if your your willing to learn) and creative you can actually be with this tool. i'm running it on Linux. so surprised by kotlin never knew there were languages i could really dig in and learn. i do know some basic Lua and python, some css, html and such. more a poet than a developer.looking forward to what more lies ahead. headaches and all...lol
@drahmedahamed
@drahmedahamed 2 жыл бұрын
Thank you. I followed you and I was able to create a very different app for clinical decision support. Thanks for the insights. Happy to connect on LinkedIn
@greaterthanstefan7919
@greaterthanstefan7919 2 жыл бұрын
Extrememly helpful, thank you for teaching me the basics of Android Studio programming!
@british1389
@british1389 Жыл бұрын
1st part is great. 2nd part is not for beginner programmers. A lot is skipped over and hotkeys are used but not explained. Really frustrating. A lot doesn't work since needed setup is not explained.
@selvag7233
@selvag7233 2 жыл бұрын
Thank you. This is the right tutorial for beginners.
@emperordom10
@emperordom10 10 ай бұрын
Great video for first Android project - some coding experience is probably helpful
@DomoOrigatoMrRoboto-ri4bc
@DomoOrigatoMrRoboto-ri4bc Ай бұрын
My guess is this tutorial was done on Android Studio 3.6 (February 2020). That's about thirteen releases ago. Is it possible to release the code to fill in the gaps. There are a few things that are difficult to get right simply following the tutorial. Thanks for a great one.
@DarcMagikian
@DarcMagikian Ай бұрын
yeah you're better off finding a new tutorial that uses jetpack compose
@BenAyesu
@BenAyesu 2 жыл бұрын
Very easy tutorial. I love this
@benjaminkathale6088
@benjaminkathale6088 Жыл бұрын
The tutorial is really helpful. I learned a lot. Thanks
@ezekielthemack
@ezekielthemack 2 жыл бұрын
Thanks very much for your help with this tutorial Rahul. Much appreciated.
@zombie1111-bi7vg
@zombie1111-bi7vg 29 күн бұрын
I love this channel❤😂😂
@shadowghosts3144
@shadowghosts3144 2 жыл бұрын
hi, can you do a video on android app that has a login/register for example facebook? It loads a login screen with background video and on the screen has section for login and you press login and it does the login process etc?
@hndll01
@hndll01 3 ай бұрын
If i wanted to add multiple screens to this how would I do it ?
@TechbayElectronicsRepair
@TechbayElectronicsRepair Жыл бұрын
Thanks for this wonderful presentation. With this simple app as a foundation the limit of what one can do is only your imagination
@RAJKUMAR-uo2nj
@RAJKUMAR-uo2nj 10 ай бұрын
Great video. Thank you for your explanations.
@riccoc.6507
@riccoc.6507 7 ай бұрын
Dude you're a genius thnx for this.
@Eneergy
@Eneergy 5 ай бұрын
someone creates an app where you can take photos or videos, the creator can store them somewhere bro pleasee tell me
@parthtilva173
@parthtilva173 2 жыл бұрын
Thank you 🙏 for amazing tutorial ❤️❤️👍 this is my first app 🥳🥳
@AntonioBenitezResurreccion
@AntonioBenitezResurreccion 11 ай бұрын
It took me a lot longer than I'd like to admit,
@HiNiththila
@HiNiththila 2 жыл бұрын
Excellent tutorial. Followed instructions to a T, well almost. Just lost the tip evaluator to some corner :)
@lennykogginsofficial
@lennykogginsofficial Жыл бұрын
There's no activity_main.xml on the new version of Android Stduio :(
@minhchutrinh5213
@minhchutrinh5213 2 жыл бұрын
Woah new course. Nice, much love and support
@llawliet5293
@llawliet5293 Жыл бұрын
Damn! Worked like a charm! Thank you soooo muc
@mayankvikash
@mayankvikash 2 жыл бұрын
My life is kidding with me, I just watched a 2 hr long tutorial on Android Development and nothing went in my mind and they are uploading video after I jave watched the previous one 😂, can't you guys upload this 2 or 3 hours ago. My brain is like, it's going to blast.
@cpwithtausif4866
@cpwithtausif4866 2 жыл бұрын
You were into tutorial hell!
@mayankvikash
@mayankvikash 2 жыл бұрын
@@cpwithtausif4866 yes right, this one was really good.
@chadzyhen
@chadzyhen Жыл бұрын
Thanks very useful and well presented it help me a lot.
@markschumack9762
@markschumack9762 Жыл бұрын
Very good teacher (although a bit fast!).
@sairishi5024
@sairishi5024 2 жыл бұрын
I was expecting this
@cpwithtausif4866
@cpwithtausif4866 2 жыл бұрын
But I wasn't
@ragibshahariarayon7975
@ragibshahariarayon7975 Жыл бұрын
Thank you for the nice tutorial brother.
@abdulrafay9410
@abdulrafay9410 2 жыл бұрын
Wow! it's Amazing I did it well ! Perfect work !
@MISSWATCHAREETHANAPAIROT
@MISSWATCHAREETHANAPAIROT 10 ай бұрын
Thank you!
@kemalur
@kemalur 2 жыл бұрын
Thank you! Pls more Kotlin Videos.
@TopZuka-z5n
@TopZuka-z5n 2 жыл бұрын
Lmfao, White Hat junior "CHINTU"
@NugrohoBudianggoro
@NugrohoBudianggoro 26 күн бұрын
thank you!
@SHIRAZIKHALILOV
@SHIRAZIKHALILOV 11 ай бұрын
Excellent tutorial.
@sonalfernando7042
@sonalfernando7042 10 ай бұрын
super helpful ,thank you😁😁
@gonzo1457
@gonzo1457 7 ай бұрын
Great tutorial!
@izaiahevans6989
@izaiahevans6989 Жыл бұрын
Very helpful thank you so much.
@ammanagrawal762
@ammanagrawal762 2 жыл бұрын
Thank u just wanted some thing like this thank u once again
@bitancanimation.3153
@bitancanimation.3153 2 жыл бұрын
Cool tutorial , i would surely try it
@ackerman6992
@ackerman6992 2 жыл бұрын
Can we expect a video course on Android with backend in (springboot/django/nodejs)
@memelover8320
@memelover8320 2 жыл бұрын
Sir please make a video on how to upload non downloadable or read only videos in our application using android studio
@storytime.by.beeeep
@storytime.by.beeeep 11 ай бұрын
I'm running into an issue when enterting the bill amount and the app crashes, any idea? I dont see error anywhere.
@MarkBelain
@MarkBelain Жыл бұрын
Can we contribute timestamps at all? I keep wishing this video was easier to navigate.
@lcc09066
@lcc09066 Жыл бұрын
i have some problem on 18:49 My android studio the option of align dont have a left right edges and the center option how can i let them showing up?
@wixy369
@wixy369 2 жыл бұрын
ineed an emulator before using android studio, that wasnt mentioned before hand
@_____1826
@_____1826 8 ай бұрын
I have question why not using app inventor? Is it bad to make an app like this one with app inventor? I am really curious
@Sheidraam
@Sheidraam Жыл бұрын
very interesting, thank you!
@ggipson2
@ggipson2 2 жыл бұрын
Thanks!
@johnxisde
@johnxisde Жыл бұрын
thanks for that Rahul!
@planethedgehog2427
@planethedgehog2427 2 жыл бұрын
41:32 "So I'm gonna jump to the definition here (using secret hidden keystrokes or some magic click or something)...." HOW? Hovering, left- and right-clicking, get me nowhere in my attempt to see that "Choose Declaration" box with the normal and night themes.
@ninazhang591
@ninazhang591 2 жыл бұрын
got the same problem here...have you figured it out? if so can you help 😂thanks
@mannatpruthi9065
@mannatpruthi9065 2 жыл бұрын
did u get the solution?
@mannatpruthi9065
@mannatpruthi9065 2 жыл бұрын
@@ninazhang591 did u get the solution?
@ninazhang591
@ninazhang591 2 жыл бұрын
@@mannatpruthi9065 nope, but I think you can try pressing ctrl. Haven’t tried it on this program but it should make a clickable thingy. Tell me if it works
@alvinhampton5448
@alvinhampton5448 Жыл бұрын
my Tip is changing with the seekbar. What would cause this?
@sushilgyawali7880
@sushilgyawali7880 Жыл бұрын
Thanks Rahul
@cuongnguyenuc5033
@cuongnguyenuc5033 11 ай бұрын
when i create a project, my project don't have activity_main.xml, so i create by myseft. However, it's linearlayout. Could you tell me how to create a constraint layout like video( i use windows)
@vladimir6156
@vladimir6156 Жыл бұрын
Pekné video
@luckydevil1601
@luckydevil1601 2 жыл бұрын
Thanks a lot! It was great!
@yulian5kov
@yulian5kov 2 жыл бұрын
hey, can u send me the project if you've finished it. I want to see what i do wrong if it's possible. I'm quite a beginner and I'm currently stuck on this line: tvTipPercentLabel.text = "$progress%" the error is: Type mismatch: inferred type is Int but Editable! was expected
@pragunmangla2021
@pragunmangla2021 2 жыл бұрын
Really cool Tutorial.
@benzoww
@benzoww Жыл бұрын
what if i want to devide the total amount by how many users, like we want to split the total amount on 4 people
@user-rz6yj3jv6n
@user-rz6yj3jv6n Жыл бұрын
How did you put up the phone and work in it...am developing a tutorial for some Android App and need a similar layout.
@benzoww
@benzoww Жыл бұрын
35:40 i didn't face the bug when I click space in the editText , I don't know why
@hrithikgupta3683
@hrithikgupta3683 2 жыл бұрын
i was just waiting for this
@zariyascollectables6533
@zariyascollectables6533 2 жыл бұрын
What about ip pp eula stuff and user agreement for app store really want to make a app but worried about this stuff
@lesnoopy7160
@lesnoopy7160 2 жыл бұрын
Please we want a tutorial about how to integrate webrtc in java android studio app
@alberto4509
@alberto4509 2 жыл бұрын
Bro, just in time for my final oriented programing proyect!!! thanks!!!
@sproherty1214
@sproherty1214 2 жыл бұрын
12:00 For some reason, after I drag the constraint of the first text box to the top of the screen, setting the top margin to 48 is not working, it's stuck at 0. It will work if I change it in the Code view, but I want it to work in the Design view. Can someone explain why this is happening please?
@sproherty1214
@sproherty1214 2 жыл бұрын
Resolved, there was a bug in Android Studio | Bumblebee 2021.1.1 Patch 1. Downloaded an older version of Android Studio to fix this
@phnaturemusic6034
@phnaturemusic6034 2 жыл бұрын
@@sproherty1214 same problem how to fix
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