You can use Glide to load a local image and well as an image hosted on a remote server. First we will need to add these dependencies to our project in the app level build. Now, if we want to load a Gif file from a remote URL, the code example will be slightly different. Notice the use of. I hope that this Kotlin programming tutorial was helpful for you.
Also, if you would like to learn more about Kotlin and how to build mobile apps for Android platform with Kotlin check our the list of books and video courses below. Powered by Contextual Related Posts. It will load images from the network, local storage, or local resources, and display a placeholder until the image has arrived. It has two levels of cache; one in memory and another in internal storage. In Android 4. This lets your application run faster - and suffer the dreaded OutOfMemoryError much less often.
Fresco also supports:. You can find out more at their website here. Picasso is a powerful image downloading and caching library for Android. Images add much-needed context and visual flair to Android applications. Picasso allows for hassle-free image loading in your application—often in one line of code! Many common pitfalls of image loading on Android are handled automatically by Picasso:. Adapter re-use is automatically detected and the previous download canceled.
If you would like to contribute code you can do so through GitHub by forking the repository and sending a pull request. Glide is a fast and efficient open source media management and image loading framework for Android that wraps media decoding, memory and disk caching, and resource pooling into a simple and easy to use interface.
Glide supports fetching, decoding, and displaying video stills, images, and animated GIFs. Glide includes a flexible API that allows developers to plug in to almost any network stack. By default Glide uses a custom HttpUrlConnection based stack, but also includes utility libraries plug in to Google's Volley project or Square's OkHttp library instead.
Glide's primary focus is on making scrolling any kind of a list of images as smooth and fast as possible, but Glide is also effective for almost any case where you need to fetch, resize, and display a remote image. Glide takes in to account two key aspects of image loading performance on Android:.
Create four new packages inside your project directory named activity, adapter, fragment, and helper. Move the MainActivity. Create a new Kotlin class file inside the helper package named SquareLayout. The purpose of the code above is to create a square layout which has the same width and height that will be used as a container for our ImageView later.
This class is extending from RelativeLayout class. The package name of SquareLayout depends on what you use for your application, it might be not the same as mine. Create a new Kotlin class named Image. The purpose of the listener code above is to be used by the adapter to handle user clicking the image.
Next create another Kotlin file named GalleryImageAdapter. The codes above are for displaying the gallery image on each row inside our list. Open the MainActivity. But if you have any, feel free to change the image URLs from yours. Open the AndroidManifest. The first image on the left is using span count of 2 and the second is using span count of 3 , cool right! So first, create a new Kotlin class inside fragment package named GalleryFullscreenFragment.
Open your MainActivity. You can now run your app again and try tapping the image. You can also swipe it to show other images. Awesome, you did it! This is your own Android Image Gallery. You can download this full code from my GitHub repo here. Be sure to check my other post here about using RecyclerView for Android and Kotlin.
Hope you like my post, comment and share it with love! January 7, December 25, January 20, In case anyone wonders: AndroidX version of RecyclerView: androidx. Am I supposed to rename that to GlideApp to make it work? Thanks for any pointers in advance. This post uses the older version of glide that needs this kind of setup. Hi, thanks for your reply, but I managed to get it working differently.
I used Glide.
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