Android

获取网络图片 /** * 获取头像 */ public class DownImage extends AsyncTask { private ImageView imageView; private String url; private String fileName; public DownImage(ImageView imageView, String url, String name) {

public class ByteUtil { /** * 字符串转化成为16进制字符串 * * @param s * @return */ public static String strTo16(String s) { String str = ""; for (int i = 0; i < s.length(); i++) { int ch = (int) s.charA

/** * 正则判断邮箱 * @param strEmail * @return */ public static boolean isEmail(String strEmail) { String strPattern = "^[a-zA-Z0-9][\\w\\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\\w\\.-]*[a-zA-Z0-9]\\.[a-zA-Z][a-zA-Z\\.]*[a-zA-Z]$"; ...

判断时间是否是在1-5点之间 /** * ybf true is * @return */ public boolean isScrenOff(){ if(get24HourMode()){ Calendar mcalendar1 = Calendar.getInstance(); mcalendar1.set(Calendar.HOUR_OF_DAY, 01); mcalen