Java 类android.databinding.BindingConversion 实例源码

@BindingConversion
public static String convertQuantityToString(Quantity quantity) {
    Log.d("Quantity", "convert quantity to string " + quantity);
    if (quantity == null) {
        return null;
    }
    return quantity.toString();
}

@BindingConversion
public static Quantity convertStringToQuantity(String string) {
    Log.d("Quantity", "convert string to quantity " + string);
    if (string == null) {
        return Quantity.ZERO;
    }
    return new Quantity(string);
}

/**
 * Allows to pass additional parameter (click listener)
 * to adapter created by {@link me.tatarka.bindingcollectionadapter.BindingRecyclerViewAdapters}
 *
 * @param clickListener click listener to be bound to all items.
 * @return
 */
@BindingConversion
public static BindingRecyclerViewAdapterFactory toRecyclerViewAdapterFactory(final CategoryClickListener clickListener) {
    return new BindingRecyclerViewAdapterFactory() {
        public <T> BindingRecyclerViewAdapter<T> create(RecyclerView recyclerView, ItemViewArg<T> arg) {
            return new CategoriesRecyclerViewAdapter<>(arg, clickListener);
        }
    };
}

/**
 * Allows to pass additional parameter (click listener)
 * to adapter created by {@link me.tatarka.bindingcollectionadapter.BindingRecyclerViewAdapters}
 *
 * @param clickListener click listener to be bound to all items.
 * @return
 */
@BindingConversion
public static BindingRecyclerViewAdapterFactory toRecyclerViewAdapterFactory(final CategoryClickListener clickListener) {
    return new BindingRecyclerViewAdapterFactory() {
        public <T> BindingRecyclerViewAdapter<T> create(RecyclerView recyclerView, ItemViewArg<T> arg) {
            return new CategoriesRecyclerViewAdapter<>(arg, clickListener);
        }
    };
}

@BindingConversion
public static String convertDate(Date date) {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    return sdf.format(date);
}

@BindingConversion
public static ItemView resToResHolder(@LayoutRes int layoutRes) {
    int defaultBindingVariable = BR.item;
    return ItemView.of(defaultBindingVariable, layoutRes);
}

@BindingConversion
public static ColorDrawable convertColorToDrawable(int color) {
    return color != 0 ? new ColorDrawable(color) : null;
}

@BindingConversion
public static int convertBooleanToVisibility(boolean visible) {
    return visible ? View.VISIBLE : View.GONE;
}

@BindingConversion
public static String dateToString(Date date) {
    return Utils.formatDate(date);
}

@BindingConversion
public static String intToString(int integer) {
    return integer == 0 ? "" : String.valueOf(integer);
}

@BindingConversion
public static String doubleToString(double d) {
    return d == 0 ? "" : String.valueOf(d);
}

@BindingConversion
public static ColorDrawable convertColorToDrawable(int color) {
    return new ColorDrawable(color);
}

@BindingConversion
public static ColorDrawable convertColorToDrawable(int color) {
    Log.d("BindingConversion", "convertColorToDrawable:" + color);
    return new ColorDrawable(color);
}

@BindingConversion
public static int convertBooleanToVisibility(boolean visible) {
    return visible ? View.VISIBLE : View.GONE;
}

@BindingConversion
public static int convertBoolToVisibility(boolean visible) {
    return visible ? View.VISIBLE : View.GONE;
}

@BindingConversion
public static String convertToString(ObservableString s) {
    return s.get();
}

@BindingConversion
public static int booleanToVisibility(boolean visible) {
  return visible ? View.VISIBLE : View.GONE;
}

@BindingConversion
public static ColorDrawable convertColorToDrawable(int color) {
    return new ColorDrawable(color);
}

@BindingConversion
public static int convertBooleanToInt(Boolean value) {
    return (value != null && value) ? View.VISIBLE : View.GONE;
}

@BindingConversion public static ColorDrawable convertColorToDrawable(int color) {
    return new ColorDrawable(color);
}

@BindingConversion
public static <T> ItemBinding<T> toItemBinding(OnItemBind<T> onItemBind) {
    return ItemBinding.of(onItemBind);
}

@BindingConversion
public static ColorDrawable convertColorToDrawable(int color) {
    return new ColorDrawable(color);
}

@BindingConversion
    public static Typeface convertStringToFace(String fontName) {
        try {
            return Typeface.create(fontName, 0);
        } catch (Exception e) {
            return null;
        }
    }