Make a Weather App for Android | Android Studio | Kotlin

How to make a weather app using kotlin for android. This is a simple weather app using weather API.
API: openweathermap...
Images: drive.google.c...
Source Code: github.com/eva...
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Music Credit: Lakeyinspired
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[@CodingWithEvan]

To get the API key: Login to openweathermap then goto "My API Keys" under your profile name. There you will find your API key.

[@harshit5803]

This is java or kotlin based?

[@قناةالرياضيات-ن7ر]

@@harshit5803 kotlin you can see the class end with (.kt)

[@itz_frost7038]

@Coding With Evan Im getting while using readText to get text from the URL result .Can you help me with that

[@aldogiovanni7606]

@@itz_frost7038 could you resolve that? I'm there but I can't continue 😥

[@itz_frost7038]

@@aldogiovanni7606 Have not got that yet

[@meetpatel3426]

Why you not use one constraint layout rather then lots of layouts ?

[@ygor-camila]

Because He's Senior and He know how create app more quickly...

[@MohsenMashkour]

because the layout will be more responsive. if you use a single constraint layout, in different screen sizes the view will be destroyed.

[@GabrielVieira-yn1nu]

Thank you Evan, it was really helpful for me!

[@diegoarmandoescalonavasque152]

what development environment program?

[@SachinGuy]

The async task seems to be depricated any other way to implement this?

[@GarryWhitworth]

Evan, this tutorial was excellent and by far one of the better ones I have I have seen. I liked especially that it was a short videos, it worked and that it tied together Android UI, HTTP Calls and simple JSON processing. Thanks ! ++

[@hellosolverstore]

Brother in my case it shows error on weatherTask.execute() I think execute deprecated in api 30 What to do solve this pls tell brother....

[@anglesmithtechnology3030]

also getting same error

[@filokalos2001]

Thank you very much. Very clear. Excellent explanation, step by step. Thank you for sharing your knowledge.

[@shivamkumartiwari6545]

Kotlin is made only for android apps or for something else also ?

[@CodingWithEvan]

Kotlin was invented to solve developer challenges of JetBrains. They needed a simpler tool than Java to work with IntelliJ IDEA. in 2017 Google announced Kotlin as official language for Android development.

[@fahrenalfaqih8173]

thanks a lot evan my project absolutely doneeee

[@ridj41]

Hey bro, it takes a lot of time to load on my Emulator as well on my phone. It just keeps on loading and doesn't open.

[@Instantcrypt]

sir, my app is run successfully but don't show result in display

[@iftak01]

Yes Dhaka, BD. Nice Evan!

[@sumitsuryawanshi9060]

keep building projects Evan brother

[@zakariyedaauud5527]

I wanted to see the project you built first from the beginning

[@Fkglt_]

This is for only one city ? how we can check weather by trun on location?please help

[@tasdidalam3247]

Need more videos with big project e commerce project with explaination

[@loubi.abdessalam]

HI BRO , IF YOU CAN CREATE A NEW VEDIO FOR MAKING A CONSULTATION APP ,THATS SO GOOD

[@mohammadsiefaddeenkh.abual8982]

Sir, the app in my case always showing the location US, what seems to be the problem ?

[@_thesiddhukadam]

What kind of gui u have used??

[@enricosavegnago]

Could you explain also how to create a form to insert the location?

[@CodingWithEvan]

You can create e SearchView and then get the city name and call the weatherTask() inside the onquerylistener of that view.

[@devmuca9269]

@@CodingWithEvan Hi, could you help me? I can't make this form with just an EditTex and a Button? can you explain it to me please, because I couldn't with SearchView

[@devmuca9269]

@@CodingWithEvan it can leave! I managed to do it with an editText in a new activity, the person puts the name of the city/state, and the app gives the weather for her, thanks for the video❤️

[@HijaTS]

​@@devmuca9269 Hi, can you help me, how you solve this(I mean I know, just don't know to write it, I'am beginner) that a person puts the name of the city? Can you send me a code? I'll be very appreciate to you

[@deepsheth1086]

sir can you tell me which library we have used here for Api call?

[@MohsenMashkour]

no library is used.

[@clo4k661]

vai apni to bangladeshi, ekta question chilo, apni kotlin kivabe sikhsen? kono course or onno kisu? karon ami ei field e new tai guidelines pete problem hocche, ektu bolle valo hoto. TIA

[@CodingWithEvan]

Mainly java diye start korsilam android development. Pore udacity er ekta kotlin course korechilam.

[@clo4k661]

@@CodingWithEvan oh thanks via

[@LifeEchoWhispers]

Since I am new to android studio I just wonder why do coders usualy create so many layouts inside layouts to create an app, can it be done with 1 layout ? can you explain me this please. Thank you btw great video

[@antoniocld]

To keep separation of concern's also called business logical to make refactor easy.

[@MohsenMashkour]

because the layout will be more responsive. if you use a single constraint layout, in different screen sizes the view will be destroyed.

[@mfahad24]

Man, instead of music, you gotta talk through what you are doing. The building of all those nested xml was tough to follow.

[@CodingWithEvan]

Yes buddy, this was one of my first videos. My recent videos have a full voiceover.

[@mfahad24]

@@CodingWithEvan thanks again! Good stuff here

[@henrychan1973]

Thx for the video. it help me for the assignment

[@derekorodu8223]

Hi. Without my logic, my UI shows perfectly. But once I add all the logic, everything disappears except for my background. What could be the cause? Also, instead of relative layout, I used constraint layout to design my UI.. Could that be the issue?

[@anshuraj8430]

Hey! I'm also facing the same problem. Were you able to solve that?

[@derekorodu8223]

@@anshuraj8430 Yeah. I made a mistake with my UI. My progress bar and error message textview were both inside the main container. Once I removed them, the UI worked well.

[@anshuraj8430]

@@derekorodu8223 oh okay! I'm getting the same error again and again . Everytime it's just displaying "something went wrong".

[@derekorodu8223]

@@anshuraj8430 Hmm maybe you made a mistake in one of the tags of your json object calls.. I also made that mistake too.

[@anshuraj8430]

@@derekorodu8223 okay , I'll check once with that. Thank you!

[@sarcastic_hi6526]

hey i want to change the city name ...when im changing and running the app it shows something went wrong can anyone tell me the correct way to change the city name

[@balajikashyap3935]

I am getting an error where it's saying android resource linking failed... can someone help me please..?

[@aakritithakur359]

Can you explain in brief how you created the API key?

[@CodingWithEvan]

Login to openweathermap then goto "My API Keys" under your profile name. There you will find your API key.

[@aakritithakur359]

@@CodingWithEvan got it thanks

[@aakritithakur359]

@@CodingWithEvan hey, great code but it contains Async task class which is depricated in the current version of Android Studio. Can you try making the app using Kotlin coroutines?

[@aakritithakur359]

@@CodingWithEvan I tried the code but the app is crashing. Can you help?

[@aakritithakur359]

this is the main activity kotlin file package com.aakriti.weatherly import android.os.AsyncTask import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.View import android.widget.ProgressBar import android.widget.RelativeLayout import android.widget.TextView import org.json.JSONObject import java.net.URL import java.text.SimpleDateFormat import java.util.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) weatherTask().execute() } inner class weatherTask(): AsyncTask() { override fun onPreExecute() { super.onPreExecute() findViewById(R.id.loader).visibility= View.VISIBLE findViewById(R.id.mainContainer).visibility=View.GONE findViewById(R.id.errorText).visibility=View.GONE } override fun doInBackground(vararg p0: String?): String? { return try{ URL("api.openweathermap.org/data/2.5/weather?q=Delhi,in&appid=784ed1b20a4a811f957c1b649791650b").readText(Charsets.UTF_8) } catch (e:Exception){ null } } override fun onPostExecute(result: String) { super.onPostExecute(result) try{ val jsonObj= JSONObject(result) val main=jsonObj.getJSONObject("main") val sys=jsonObj.getJSONObject("sys") val wind=jsonObj.getJSONObject("wind") val weather=jsonObj.getJSONArray("weather").getJSONObject(0) val updatedAt:Long=jsonObj.getLong("dt") val updatedAtText="Updated at: "+SimpleDateFormat("dd/MM/yyy hh:mm a", Locale.ENGLISH).format(Date(updatedAt*1000)) val temp=main.getString("temp")+"°C" val tempMin="Min Temp: "+main.getString("tempMin")+"°C" val tempMax="Min Temp: "+main.getString("tempMax")+"°C" val pressure=main.getString("pressure") val humidity=main.getString("humidity") val sunrise:Long=sys.getLong("sunrise") val sunset:Long=sys.getLong("sunset") val windSpeed=wind.getString("speed") val weatherDescription=weather.getString("description") val address=jsonObj.getString("name")+", "+sys.getString("country") findViewById(R.id.txtAddress).text=address findViewById(R.id.txtUpdatedAt).text=updatedAtText findViewById(R.id.txtStatus).text=weatherDescription.capitalize() findViewById(R.id.temp).text=temp findViewById(R.id.tempMin).text=tempMin findViewById(R.id.tempMax).text=tempMax findViewById(R.id.sunrise).text=SimpleDateFormat("hh:mm a",Locale.ENGLISH).format(Date(sunrise*1000)) findViewById(R.id.sunset).text=SimpleDateFormat("hh:mm a",Locale.ENGLISH).format(Date(sunset*1000)) findViewById(R.id.wind).text=windSpeed findViewById(R.id.pressure).text=pressure findViewById(R.id.humidity).text=humidity findViewById(R.id.loader).visibility= View.GONE findViewById(R.id.mainContainer).visibility=View.VISIBLE } catch (e:Exception){ findViewById(R.id.loader).visibility= View.GONE findViewById(R.id.errorText).visibility=View.VISIBLE } } } }

[@JerrysTechCorner]

Thanks sir! I managed to build the app!

[@ahsanrazasumayari8503]

when I write val CITY: String it becomes red ?? error tell me solution

[@liamweeks3898]

Try: lateinit var CITY: String Why: There are two types of variable types in Kotlin, val and var. Val cannot be reassigned to another value. If you say, for example: val name = "Joe" you will not because to give another name. On the other hand, var can be modified. If you say: var name = "Joe" you can later reassign it like this: name = "Mike" Why I am telling you this is because you haven't actually declared the variable type yet. You can't just assign the type of a val type variable without giving it an actual value. Hope this helps.

[@nonetoro]

TRY val city = "London, UK"

[@afanter4314]

I dont know why i cant seem to get my text to become white

[@imthegamer9874]

Very good video👍

[@syahidbaddry3009]

how do you know the name from wind or main,when you do getstring(how do you know this exact name?)

[@CodingWithEvan]

It's written in the api documentation. If you visit openweathermap website

[@syahidbaddry3009]

@@CodingWithEvan so every api has document how to use it?im sorry im still new with api

[@yourneighbourhoodclownwith8490]

i am getting an error , org.gradle.api.GradleException Do you have any idea what is causing it?

[@yourneighbourhoodclownwith8490]

Hey , if we want to find the weather of places other than dhaka it works right?

[@CodingWithEvan]

Yes it will work.

[@yourneighbourhoodclownwith8490]

@@CodingWithEvan i am getting an error , org.gradle.api.GradleException Do you have any idea what is causing it?

[@llarux]

hey Even the tutorial was amazing!!. but I have a problem my screen keep showing the error text (Something went wrong) even after I did the internet permission how can I solve it? please help

[@roxtarguna6067]

getting the same problem did you find the solution

[@llarux]

@@roxtarguna6067 I found the problem I wrote description with an I :) (discreption)

[@llarux]

@@madhukarjadhav3767 yes my problem was a Misspelling in a word so make sure you wrote every word in the right way

[@llarux]

@@madhukarjadhav3767 then I don’t know what’s the problem sorry

[@jakeedwards4642]

For me the issue was that I had an incorrectly formatted CITY string so the api call wasn't resolving, then our catch statement is set up to display the error text when the api call fails. Try setting the city to something like "London,GB" and see if that fixes the issue.

[@shivamkumartiwari6545]

And also please tell me how to deploy this app on Google Play Store ?

[@reinaldoriantkurniaperdana4670]

developer.android.com/studio/publish/upload-bundle follow this one

[@andresbonilla1367]

Wonderful video! Thanks :)

[@jubibi390]

implementation starts from 12:24

[@meetpatel3426]

Sir why max temp and min temp are same ?

[@pujithalakshmisetty2791]

How to take user input for city name ?

[@katarina_8898]

For some reason, the application does not work. The message "Something went wrong" appears. Could it be because I'm from Russia?

[@CodingWithEvan]

Check if you have added internet permission.

[@llarux]

@@CodingWithEvan I have the same problem as her and I added internet permission but still get the error text

[@whites4769]

@@madhukarjadhav3767 did you got the output ?

[@whites4769]

@@madhukarjadhav3767 please drop ur github url or twitter url

[@s.devadathan4476]

Hey Evan, I am getting an error like : must use 'apptint' instead of 'androidtint' What should I do?

[@apl4s]

Use it like this app:tint="#FFFFFF"

[@punitmaru5]

Which app is used for making project

[@divyanshudivyanshu8224]

Tiktok

[@belgin9674]

is this layout responsive sir?

[@mayrafernandacamachorodrig6638]

te quiero mucho, muchas gracias dios, te bendiga a ti, a toda tu familia y a quienes quieran a ti y a tu familia un saludote y un abrazo muy pero muy cordial desde mi queridisimo México.

[@facebooker212]

bendiciones

[@amankr.prasad2537]

Time not changing??

[@zakariyedaauud5527]

And what program do you use in pythone or another

[@AbulHasan-h4r]

java

[@pradeeprajput9439]

Error found in Messaging View

[@ameyayadav9084]

help bro weatherapplication(28134) [DEAD]

[@ameyayadav9084]

when i click on the app it shut downs error : com.example.weatherapplication(28134) [DEAD]

[@whites4769]

something went wrong is the output please help !

[@whites4769]

capitalize(): String' is deprecated. Use replaceFirstChar instead. Implicitly using the default locale is a common source of bugs: Use capitalize(Locale) instead. For strings meant to be internal use Locale.ROOT, otherwise Locale.getDefault(). Implicitly using the default locale is a common source of bugs: Use capitalize(Locale) instead. For strings meant to be internal use Locale.ROOT, otherwise Locale.getDefault(). -capitalize- underlined please help evan !

[@h.r.60]

somebody knows his stuff 👌

[@prateekchauhan4087]

My app is not working can you help mee .?

[@CodingWithEvan]

Sure. Whats the issue?

[@عباسشاهين-ف7ع]

Very very very good

[@vaibhavratan4908]

is this app fixed for one location or it changes locations?

[@basicallyjat]

KINDLY DON'T TRY IT NOW. IT DOESN'T WORK ANYMORE . SAVE YOUR TIME AND TRY ANY OTHER TUTORIAL

[@vibhavsachan743]

why?

[@basicallyjat]

@@vibhavsachan743 depreciated methods

[@shehrozarshad9857]

This is this helpfull

[@Raghu-wy3ry]

Develop all your apps in kotlin

[@ETERNALxJOD]

Sir please give code so i can copy🙃🙃

[@durveshbodkar929]

i want it using java'

[@ztjoker3260]

Thank yooou😘

[@isharadulanjla1137]

Hardcoded... 🙁

[@banglatutorialltd.9415]

ও ভাই আপনি বাংলাদেশী?

[@CodingWithEvan]

হ ভাই

[@ahsanrazasumayari8503]

?

[@debdeepsengupta7532]

My app is also not working

[@debdeepsengupta7532]

Even if I give internet permission it's showing something went wrong

[@prathmeshbonde9555]

@@debdeepsengupta7532 same

[@music4kinds239]

@@debdeepsengupta7532 did you solve that?If yes could you say how?

[@music4kinds239]

@@prathmeshbonde9555 did you solve that?If yes could you say how?

[@mehdi.3601]

Me tooo

[@bloxxiq]

When i open android srudio

[@hellosolverstore]

Brother in my case it shows error on weatherTask.execute() I think execute deprecated in api 30 What to do solve this pls tell brother....

[@farihazultana]

same