TypefaceHelper.kt

import android.graphics.Typeface
import androidx.annotation.CheckResult
import java.lang.Exception

/** @author Aidan Follestad (@afollestad) */
object TypefaceHelper {
  private val cache = hashMapOf<String, Typeface>()

  /**
   * Gets a typeface by its family name. Automatically statically caches it to avoid
   * repeated allocations.
   */
  @CheckResult fun create(familyName: String): Typeface {
    return cache[familyName] ?: allocateAndCache(familyName)
  }

  private fun allocateAndCache(familyName: String): Typeface {
    return try {
      Typeface.create(familyName, Typeface.NORMAL)
          .also { cache[familyName] = it }
    } catch (e: Exception) {
      Typeface.DEFAULT
    }
  }
}