android 6.0 获取SD卡路径

/**
* 6.0获取外置sdcard和U盘路径，并区分
*
* @param mContext
* @param keyword
* SD = “内部存储”; EXT = “SD卡”; USB = “U盘”
* @return SD卡路径
*/
public static String getStoragePath(Context mContext) {
String resultpath = “”;
String[] paths = getAllVolumePaths(mContext);
String sd_path = getSystemPropString(“vold.path.external_sd”, “sd”);
if (“EXT”.equals(“SD”) && paths.length > 0)
resultpath = paths[0];
if (“SD”.equals(“SD”) && !”sd”.equals(sd_path))
resultpath = sd_path;

    if ("USB".equals("SD")) {
        // 0默认为内部存储
        for (int i = 1; i < paths.length; i++) {
            if (sd_path.equals("sd"))
                resultpath = paths[i];
            else if (!sd_path.equals("sd") && !paths[i].equals(sd_path)) {
                resultpath = paths[i];
            }
        }
    }
    return resultpath;
}