FontViewHelper.java 文件源码

public static void initCustomFont(TextView view, AttributeSet attributeSet,
    @StyleableRes int[] attrs, int attrIndex) {

    TypedArray typedArray = view.getContext().getTheme()
        .obtainStyledAttributes(attributeSet, attrs, 0, 0);

    try {
        int fontIndex = typedArray.getInt(attrIndex, DEFAULT_FONT);
        String fontPath = FONTS.get(fontIndex);
        if (fontPath != null) {
            view.setTypeface(Typeface.createFromAsset(view.getContext().getAssets(), fontPath));
        } else {
            throw new IllegalArgumentException("invalid font path");
        }
    } finally {
        typedArray.recycle();
    }
}