Yeah, you heard it right. Now there is no need of writing some piece of code for using the fonts. Also, you can choose from any of the thousands of fonts on Google Fonts and use them in your app. So, in this blog, you will understand how to use Custom and Downloadable Fonts in Android?
Before we move forward to look for the new or the latest way of using the font, let's revise the older way of using fonts. Before the release of Android O, fonts can be used in the following 2 ways :. To work with Custom Font, you need to install the latest version of Android Studio 3.
This is important as some of the features are not supported on Android Studio 2. However, you must always provide a certificate if you request fonts through the support library. Note : You can receive the parameter values from your font provider. Android Studio automatically populates these values for the providers it supports in its UI.
Note : Ensure this handler is not the User Interface thread handler. For more information about how to download a font from a font provider, see the Downloadable Fonts sample app Java Kotlin. The android. The support library classes contain methods similar to framework. The process of downloading fonts is also similar to the one mentioned in the Downloading fonts section.
To download fonts by using the support library, import the FontsContractCompat and FontRequest classes from the android. Create the instances of these classes instead of FontsContract and android. FontRequest framework classes.
Note : You must provide a certificate when you request fonts through the support library. This is applicable even for the pre-installed font providers.
To use the FontsContractCompat and FontRequest classes, you must modify your app project's classpath dependencies within your development environment. This means, there is no need to bundle the font as an asset. You can define a custom font for your entire theme, which accelerates usability for multiple weights and styles, such as Bold, Medium, or Light, when provided.
Layout inflation and resource retrieval are synchronous tasks. By default, the first attempt to retrieve fonts triggers a request to the font provider, and therefore increases the first layout time. To avoid the delay, you can pre-declare fonts that need retrieving in your manifest. After the system retrieves the font from the provider, it is available immediately.
If the font retrieval takes longer than expected, the system aborts the fetching process and uses the default font. When a font provider is not preinstalled or if you are using the support library, you must declare the certificates the font provider is signed with.
The system uses the certificates to verify the font provider's identity. Note : Android Studio can automatically populate the values for the Google Play services provider if you use the font selector tool in Android Studio.
Note : If the provider has more than one set of certs, you can define an array of string arrays. Content and code samples on this page are subject to the licenses described in the Content License.
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A bird? A plane? No, it's Android Oreo. The following are the rough steps you have to follow. In your AndroidManifest. Add the support library dependency to your build. The simplest way to get all this setup is to use Android Studio to import Google Fonts, as this will setup all of this you and even more, such as the font provider certificates that you will need.
Once this is setup you can use font assets in your XML layouts. However, there are certain situations where you might have to apply fonts programmatically in order to use them in certain UI elements.
An example of this is using styled text in a Toolbar. To load downloadable fonts programmatically, the process is quite different from the approach outlined above.
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