On October last year I was on my journey of learning Kotlin when I decided to make an App for my boyfriend, I wanted to combine my interest for Kotlin and music, and at the same time create a nice gift for his birthday. The app was a called MixTape, it was an app with a selection of songs played using Spotify's SDK. It wasn't a complicated app but it was a nice detail and something with the perfect level of complexity for me to continue with my Kotlin learnings.
How to use Spotify’s SDK in Kotlin
While I was working on this project I noticed that Spotify published a new SDK for Android and iOS platforms not long ago, their Quick Start Guide is pretty good but all the examples are in Java and as beginner on Kotlin and Android I hit a few walls. Fraps free download full version mac. I also noticed there's not a lot of information out there to use this new SDK with Kotlin specifically so I decided to create this guide hopping to help anyone else looking to implement this SDK using Kotlin.
Download spotify android, spotify android, spotify android download free. It's the world's go-to music app when it comes to streaming top international artists. You should have the skills you need to complete this app after completing Lessons 1-3 of Developing Android Apps. Project 2: Spotify Streamer, Stage 2 In the second and final stage of this project, you will complete the end-to-end music experience of the app you started in Stage 1 by adding playback controls and optimizing the entire experience. With Spotify, you can listen to music and play millions of songs and podcasts for free. Stream music and podcasts you love and find music - or your next favorite song - from all over the world. Discover new music, albums, and podcasts. Search for your favorite song, artist, or podcast. Enjoy music playlists and an unique daily mix made just for you. Make and share your own.
In this guide I'm assuming you already created a new project using Android Studio so let's gets started.
Register your app on Spotify ✍️
STEP1: The first step to use Spotify's SDK is to register your app on Spotify for Developers, if you don't have an account please go ahead and create one, you can use your regular Spotify Account to login.
STEP2: Once in the Dashboard, create a new App.
STEP3: In order to associate your Android App with the Spotify App, you will need to provide your app's fingerprint. In this example I will use the debug fingerprint, which you can obtain running the following command in your terminal:
This will output a list of Certificate fingerprints, copy the one that says
SHA1 .
To learn more about authorizing Android Apps and getting debug or release fingerprints check this documentation.
STEP4: Back on your Spotify Dashboard select your app and click on Edit Settings to add a new Android Package. Enter your app's package name and the fingerprint obtained in the previous step.
STEP5: Also make sure to add a redirect URI to use as callback, this could be anything, I use the app's package name.
Add the App Remote SDK ?
STEP1: Download the Android SDK from Spotify's Github repo, make sure you select the new version, which is the one called AppRemote SDK, the one with the
aar extension.
STEP2: Back in your Android Studio project add this Module by following the steps described in the Quick Start Guide to Add the App Remote SDK.
STEP3: Don't forget to add this new module as dependency in your build.gradle file. Notice that the dependency name has to match with the module you just added. Spotify music downloader mac free.
Also make sure to add the GSON (or Jackson) library because Spotify needs it to serialize/deserialize requests.
Note that there are two gradle files, Project and Module, you have to add these dependencies in the Module:app file.
Prepare your device/emulator ?
In order to use this SDK you will need to install the Spotify App because the SDK uses the app as a Remote Service to do all the heavy work, you can learn more here.
STEP1: If you want to use your emulator, you can install an emulator that contains the Play Store pre-installed so that way you can download the Spotify App.
On the top menu of Android Studio go to Tools -> AVD Manager. In the window that appears next, select Create Virtual Device.
This will present a list of Phones to choose from, select any phone that is marked with the Play Store icon (see image below). In this example I'm selecting Pixel 2.
STEP2: Now you can install the Spotify App through the Play Store and login with any account.
Implement SDK ??
Now that we have our environment ready, we can start to code!
Setup ?
When using any external SDK or Library, I like to wrap the code that interacts with it in a class so I can easily test and consolidate any code that I might need to re-use. In this case, I'm going to create a SpotifyService class and make it a Singleton because I don't need that code to be initialized every single time. Win32 disk imager for mac.
The first thing we will add to this class are Client ID and Redirect URI, you can find both of these things in the app you just created on your Spotify Dashboard.
Also import the Spotify SDK classes shown below that we will need in the next steps. Download music from free spotify.
Connect ?
The next step is to create a
SpotifyAppRemote object, and create and initialize the connection parameters:
Now, we can add a function to establish the connection to
SpotifyAppRemote .
And with this in place you could call this function from an Activity like this:
Play, Pause, Resume ⏯
From here we can add more functions to our
SpotifyService to get the basic functionality of a Player.
And call those functions from our
PlayerActivity :
Search❓
You might be wondering but… how do I get the Song/Album URI I want to play?
Typically you might want to implement some sort of search functionality, so the user can tell you what song to play and then you can get the URI via the API, unfortunately this SDK doesn’t support searching or at least not at the moment.
If what you are looking to implement with this SDK doesn’t explicitly require searching, you can manually get songs or albums URI’s through the Spotify App.
In the example above I’m using a hardcoded URI which I manually got by going to my Spotify MacOS Ap. From the list of songs of any playlist, hover your mouse over the song you want and you should notice three little dots on the right side.
Next, click on the little dots, a menu will appear, select: Share -> Copy SpotifyURI, this will copy that Song's URI in your clipboard.
You can do similar thing with albums or playlists:
Getting Track Info ??
The Spotify Android SDK is composed by other small APIs, for example
ImagesApi which combined with the PlayerApi allow you can get the image of the current track playing, like this:
You can even subscribe to any changes happening in the
PlayerApi :
So your UI can react accordingly and change the image:
Disconnect ?
And finally, as indicated in the Quick Start Guide, don't forget to disconnect from the service when no longer needed:
Revoke App Access ?
There might be sometimes when you want to test the authorization flow multiple times or you just want to remove this App from your personal Spotify Account, to do that go to the Web Spotify App and then click in Profile -> Account.
Then in the left menu chose the Apps option:
In the list that appears next, search for your App and click the Remove Access button, remember this will cause your App to request Spotify Access once again when you click the Connect button.
Conclusion: Pros and Cons ⚖️
I found that this was an SDK easy to use and setup, unfortunately, one thing that misses, is the possibility to do searching, a very popular feature that could be useful for certain implementations. If you are looking to do something that requires searching, check the Web API.
Overall I liked this SDK mainly because it makes authorization very smooth, you don't have to worry about tokens or worry about a complex setup and this makes things super easy to get started.
I hope to see this API evolving and adding more detail to their documentation.
This was a pretty basic example but I hope it can help you to get started and spark your creativity to implement some fun ideas. You can find the source code for this example here.
Photo by sgcreative on Unsplash
Cleverchuk is an undergraduate engineer pursuing B.S in Chemical engineer with a minor in Computer Science. The interest in computers has led him to stream regular computer science content. He is a self-taught programmer and has already streamed 319hrs! At the time of writing, he had a total of 111 followers. That’s amazing! His favorite programming languages include C/C++, C#, Python and Java/Android.
The project that he will work on is “How to Build a Music Streaming Android App.” This project is in TEACHING mode. It is a live and real-world project. https://czclever270.weebly.com/spotify-can-i-download-a-song-as-mp3-reddit.html. This means that you can interact with the streamer and communicate with them directly using chat. Got stuck? Just go ahead and ask him questions.
What is the project about?
Are you bored of creating those “Hello, World” Android projects and want to create something meaningful? Then look no further as this project will teach you on how to build a music streaming Android app. The app will be built from scratch, and the streamer will go through every single step to ensure that the viewer understands the intricacies that go into creating an Android music App.
The tutorial will cover setting up the basic development environment with Android Studio. The streamer will then focus on basic steps and concepts, before moving to harder concepts. In the end, you will be able to build an Android Mobile App.
For who is the project aimed at?Keytool For Spotify Android Apps
The project is aimed at learners who are eager to expand their Android development skills. To completely enjoy and learn at the same time, the viewer should have a basic understanding of HTML, CSS, Basic Android programming, OOP in general.
The learner should also have Android Studio, Android SDK, Android Phone with support for at least API 21(Lollipop).
https://monintensive.weebly.com/dynamic-auto-tune-monroe-road-charlotte-nc.html. If you are a complete beginner, the course is not for you. You need to meet the basic requirement before you can start with the tutorial.
What will you be able to do after you finish the course?
The course is an excellent opportunity for Android learners to expand their skills. A music player in Android is a good project to work on. After the course ends, you can expand the basic app to make it look more professional and release it in App store. You can also submit the project as a final year project for your college.
The CurriculumSession 1: Setup Environment
Session 2: Building Data Class
Session 3: Building Data Class cont’d
Session 4: UI Development
Session 5: Wiring the UI
Session 6: Wiring the UI, Testing, and Bug fixes
Session 7: Wiring the UI, Testing, and Bug fixes cont’d
Session 8: Testing, and Bug fixes cont’d
Session 9: Publishing to play store
Android is the future as it covers more than 85% of the mobile devices, and if you are aspiring to be an Android developer, then this course is for you.
Keytool For Spotify Android App Windows 10
So, what you are waiting for? Get the LiveEdu Pro subscription account, and you are ready to go! With just the subscription, you will not only be able to learn from this tutorial but also get access to other Premium Project Tutorials.
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