Downloadable font android

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Build for Billions. Build for Enterprise. App feedback. Device management. The safest way to avoid this is to load the font programmatically, if you are unable to set the style through XML. Here is the official documentation on how to do that. There is also this crash with FontsContractCompat in Get feral when you answer to the greatest interview in history Share your philosophy.

Downloadable Fonts allows apps to request fonts from a font provider application instead of including font files in the apk or downloading it themselves. It then communicates with the requested font provider. A font provider is an application that takes care of fetching and caching the appropriate fonts. There can be more of them installed on a device but currently only a Google font provider is available.

To ensure security when using font providers, you have to provide the certificate used to sign by the font provider. This enables Android to verify the identity of the font provider. You have to do this for font providers that are not pre-installed on the device or when using support library. You define font provider certificates in a string-array. If the font provider has more than one set of certificates, then you must define an array of string arrays.

The Google font provider used with the support library uses two sets of certificates, and the next step is to define an array for each set. The FontQuiz application is still missing one key feature — text in quiz questions always must be in font from the question. You can implement requests to fetch downloadable fonts and apply them to a View in code as well. You must use the FontsContractCompat class from the support library to support Android versions older than 8.

Your task will be to use it to request and set a random font on the quiz question Activity. The logic to pick a random font for the question and four offered answers is already there. Your job is to request and show the font with the name passed to showFont. First, hide all the buttons and show a ProgressView that will show hat font is loading by adding:. To request a new font use requestFont method from FontsContractCompat. Add following to the end of showFont :. Requesting a downloadable font is an asynchronous operation.

Method requestFont passes the result through a FontsContractCompat. FontRequestCallback interface. Use the Typeface instance passed to set the font on a View. Enable all the buttons and hide progress indicator:.

Use it to display an error message by calling showError and passing it error code:. FontContractorCompat uses it to execute retrieving a font on a Thread associated with that Handler. Make sure you provide a Handler that is not associated with a UI thread. For convenience, create a private field that will hold the handler and a property that will initialize and retrieve it:. Using the handlerThreadHandler property will initialize the handler on the first use and return it.

Hope you like the blog. Android Online Course for Professionals. Admin MindOrks 16th May Using Custom and Downloadable Fonts in Android. Share this blog to spread the knowledge. Share on Facebook. Share on Twitter. Share on Reddit.