WheelView.java 文件源码

private void measuredOutContentStart(String content) {
    Rect rect = new Rect();
    paintOuterText.getTextBounds(content, 0, content.length(), rect);
    switch (mGravity) {
        case Gravity.CENTER:
            if (isOptions||label == null|| label.equals("")||!isCenterLabel) {
                drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.5);
            } else {//只显示中间label时，时间选择器内容偏左一点，留出空间绘制单位标签
                drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.25);
            }
            break;
        case Gravity.LEFT:
            drawOutContentStart = 0;
            break;
        case Gravity.RIGHT:
            drawOutContentStart = measuredWidth - rect.width()-(int)centerContentOffset;
            break;
    }
}