TextViewAttrHelper.java 文件源码

public static void applyAttributes(TextView textView, @Nullable AttributeSet attrs, @StyleableRes int[] styleableIds, @StyleableRes int fontStyableId) {
    Context context = textView.getContext();

    Typeface typeface = Font.MEDIUM.getTypeface(context);

    if (attrs != null) {
        TypedArray typedArray = context.obtainStyledAttributes(attrs, styleableIds);

        int fontId = typedArray.getInt(fontStyableId, Font.MEDIUM.getId());
        typeface = Font.fromId(fontId).getTypeface(context);

        typedArray.recycle();
    }

    textView.setTypeface(typeface);
}