Downloadable Fonts - Android Studio Tutorial

In this tutorial, we will learn how to use downloadable fonts in our Android Studio project. Downloadable fonts don't require you to bundle font files that you want to use in your app directly into your project. Instead, the fonts are downloaded from the web and cached locally by a font provider, which then serves them to apps that request them. This avoids duplicate font files on the user's device and reduces apk size. Downloadable fonts are backwards compatible through the Android Support Libraries down to API level 14.
Devices with Google Play Services installed can use Google Fonts as the font provider and this way access a catalog of around 1000 free font families that are all optimized for Android.
Downloadable fonts can be requested via XML, by specifying a font-family file with the fontProviderAuthority, fontProviderPackage, fontProviderQuery, and fontProviderCerts attributes, or dynamically via Java/Kotlin code, by creating a FontRequest with the same parameters, specifying a FontsContractCompat FontRequestCallback, and then sending the font request to the font provider via the requestFont method. If the request was successful, the onTypeFaceRetrieved callback will be called where we get passed the requested Typeface. We can then set this Typeface on a TextView with the setTypeface method. In case of failure, onTypefaceRequestFailed will be triggered and forward us the error reason as an int value.
Example code:
codinginflow.com/tutorials/android/downloadable-fonts
Google Fonts Android API documentation:
developers.google.com/fonts/docs/android
Google Fonts catalog:
fonts.google.com
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