TooltipErrorView.java 文件源码

@SuppressWarnings("deprecation")
@SuppressLint("NewApi")
@Override
public boolean onPreDraw() {

    mContentHolder.measure(getMeasuredWidth(), getTextHeight() + mPointHeightPx);

    Shape shape = getTooltipShape();
    ShapeDrawable d = new ShapeDrawable(shape);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        mContentHolder.setBackground(d);
    } else {
        mContentHolder.setBackgroundDrawable(d);
    }

    return true;
}