Utils.java 文件源码

@UiThread // Implicit synchronization for use of shared resource VALUE.
public static Drawable getTintedDrawable(Context context,
    @DrawableRes int id, @AttrRes int tintAttrId) {
  boolean attributeFound = context.getTheme().resolveAttribute(tintAttrId, VALUE, true);
  if (!attributeFound) {
    throw new Resources.NotFoundException("Required tint color attribute with name "
        + context.getResources().getResourceEntryName(tintAttrId)
        + " and attribute ID "
        + tintAttrId
        + " was not found.");
  }

  Drawable drawable = ContextCompat.getDrawable(context, id);
  drawable = DrawableCompat.wrap(drawable.mutate());
  int color = ContextCompat.getColor(context, VALUE.resourceId);
  DrawableCompat.setTint(drawable, color);
  return drawable;
}