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Field and method binding for Android views.

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package butterknife;

import android.graphics.Typeface;
import androidx.annotation.FontRes;
import androidx.annotation.IntDef;
import androidx.annotation.RestrictTo;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static androidx.annotation.RestrictTo.Scope.LIBRARY;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Bind a field to the specified font resource ID.
 * 
 * {@literal @}BindFont(R.font.comic_sans) Typeface comicSans;
 * 
 */
@Target(FIELD)
@Retention(RUNTIME)
public @interface BindFont {
  /** Font resource ID to which the field will be bound. */
  @FontRes int value();

  @TypefaceStyle int style() default Typeface.NORMAL;

  @IntDef({
      Typeface.NORMAL,
      Typeface.BOLD,
      Typeface.ITALIC,
      Typeface.BOLD_ITALIC
  })
  @RestrictTo(LIBRARY)
  @interface TypefaceStyle {
  }
}