TintedDrawableSpan.java 文件源码

@Override
public int getSize(Paint paint, CharSequence text, int start, int end, FontMetricsInt fm) {
    fm = fm == null ? paint.getFontMetricsInt() : fm;
    int iconSize = fm.bottom - fm.top;
    mDrawable.setBounds(0, 0, iconSize, iconSize);
    return super.getSize(paint, text, start, end, fm);
}