Example usage for android.text TextUtils isEmpty

Introduction

In this page you can find the example usage for android.text TextUtils isEmpty.

Prototype

public static boolean isEmpty(@Nullable CharSequence str)

Source Link

Document

Returns true if the string is null or 0-length.

Usage

From source file:Main.java

public static boolean checkTelephone(String telephone) {
    if (TextUtils.isEmpty(telephone)) {
        return false;
    } else if ((telephone.startsWith("86") && telephone.length() == 13)
            || (!telephone.startsWith("86") && telephone.length() == 11)) {
        return true;
    }/* w ww  . ja  va  2  s. co  m*/
    return false;
}

From source file:Main.java

public static String removeDoubleQuotes(String string) {
    if (TextUtils.isEmpty(string))
        return "";
    int length = string.length();
    if ((length > 1) && (string.charAt(0) == '"') && (string.charAt(length - 1) == '"')) {
        return string.substring(1, length - 1);
    }//www. j a  v  a2  s. c om
    return string;
}

From source file:Main.java

public static String RemoveLastZero(String datetime) {
    if (TextUtils.isEmpty(datetime))
        return "";

    if (datetime.length() > 19)
        return datetime.substring(0, 19);
    else/*from  ww w . j  a v  a2 s. c om*/
        return datetime;
}

From source file:Main.java

public static String ToDBC(String input) {
    if (TextUtils.isEmpty(input)) {
        return "";
    }/*w w  w .ja v  a 2s.com*/
    char[] c = input.toCharArray();
    for (int i = 0; i < c.length; i++) {
        if (c[i] == 12288) {
            c[i] = (char) 32;
            continue;
        }
        if (c[i] > 65280 && c[i] < 65375)
            c[i] = (char) (c[i] - 65248);
    }
    return new String(c);
}

From source file:Main.java

public static boolean isLetterBegin(String s) {
    if (TextUtils.isEmpty(s))
        return false;
    else {//from w  w w .  j  av  a 2  s.c  o  m
        char c = s.charAt(0);
        int i = (int) c;
        if ((i >= 65 && i <= 90) || (i >= 97 && i <= 122)) {
            return true;
        } else {
            return false;
        }
    }
}

From source file:Main.java

public static String concatenateWhere(String a, String b) {
    if (TextUtils.isEmpty(a)) {
        return b;
    }//from www  .  ja v a 2  s  . c o  m
    if (TextUtils.isEmpty(b)) {
        return a;
    }
    return "(" + a + ") AND (" + b + ")";
}

From source file:Main.java

public static String getFileExtension(String path) {
    if (TextUtils.isEmpty(path)) {
        return null;
    }// w  w  w. ja va  2  s . c om
    int index = path.lastIndexOf(".");
    if (index == -1 || index == path.length() - 1) {
        return null;
    }

    return path.substring(index + 1);
}

From source file:Main.java

public static String defaultText(String text, String defaultText) {
    return TextUtils.isEmpty(text) ? defaultText : text;
}

From source file:Main.java

public static boolean checkVerifyCode(String verifyCode) {
    if (TextUtils.isEmpty(verifyCode)) {
        return false;
    } else {//from   w w w .java 2s.  c  om
        String verRegex = "[0-9]{6}";
        return verifyCode.matches(verRegex);

    }
}

From source file:Main.java

public static boolean checkUrlNotNull(String url) {
    return url != null && !TextUtils.isEmpty(url) && url.trim().length() != 0;
}