获取Android手机中SD卡内存信息
访问sdcard的权限:
//计算空间方法csize String[] filesize(long size) { String str = ""; if (size >= 1024) { str = "KB"; size /= 1024; if (size >= 1024) { str = "MB"; size /= 1024; } } DecimalFormat formatter = new DecimalFormat(); formatter.setGroupingSize(3); String result[] = new String[2]; result[0] = formatter.format(size); result[1] = str; return result; }