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 String firstUrl(String text) {
    if (!TextUtils.isEmpty(text))
        for (String s : text.split("\\s+"))
            if (Patterns.WEB_URL.matcher(s).matches())
                return s;
    return null;//from   w  w w  .  ja  va 2  s . co  m
}

From source file:Main.java

public static boolean isPhoneNumberAvailable(String phoneNumber) {
    if (TextUtils.isEmpty(phoneNumber)) {
        return false;
    }// ww w .j  a  va 2  s . c  om
    if (phoneNumber.length() != 11 || !phoneNumber.substring(0, 1).equals("1") || phoneNumber.contains("*")
            || phoneNumber.contains("#")) {
        return false;
    } else {
        return true;
    }

}

From source file:Main.java

public static String root2AppCachePath(Context context, String root) {
    if (context == null || TextUtils.isEmpty(root))
        return null;
    return root + "/Android/data/" + context.getPackageName() + "/cache";
}

From source file:Main.java

public static String root2AppFilesPath(Context context, String root) {
    if (context == null || TextUtils.isEmpty(root))
        return null;
    return root + "/Android/data/" + context.getPackageName() + "/files";
}

From source file:Main.java

public static boolean isValidMobilePhone(String s) {
    if (TextUtils.isEmpty(s)) {
        return false;
    }/*from  w  w w .  j  av a2  s.  c  om*/
    Pattern pattern = Pattern.compile("1[0-9]{10}");
    Matcher matcher = pattern.matcher(s);
    return matcher.matches();
}

From source file:Main.java

public static String getPhoneNum(String formatedPhoneNum) {
    if (TextUtils.isEmpty(formatedPhoneNum)) {
        return "";
    } else {//from w  w  w.  j  av  a 2 s. c  o m
        if (formatedPhoneNum.startsWith("+86")) {
            formatedPhoneNum = formatedPhoneNum.substring(3, formatedPhoneNum.length());

        } else if (formatedPhoneNum.startsWith("0086")) {
            formatedPhoneNum = formatedPhoneNum.substring(4, formatedPhoneNum.length());

        } else if (formatedPhoneNum.startsWith("+0086")) {
            formatedPhoneNum = formatedPhoneNum.substring(5, formatedPhoneNum.length());
        }

        return formatedPhoneNum.replaceAll(" ", "").replaceAll(" \t", "");
    }
}

From source file:Main.java

public static boolean isNumeric(String str) {
    if (TextUtils.isEmpty(str)) {
        return false;
    }/*from w w w . ja va 2s . co  m*/
    Pattern pattern = Pattern.compile("[0-9]*");
    Matcher isNum = pattern.matcher(str);
    if (!isNum.matches()) {
        return false;
    }
    return true;
}

From source file:Main.java

public static boolean isQQNumber(String qqNumber) {
    if (!TextUtils.isEmpty(qqNumber)) {
        Pattern pattern = Pattern.compile("\\d{4,12}$");
        Matcher matcher = pattern.matcher(qqNumber);
        return matcher.find();
    }//from w w  w  .  j  av  a2  s .co m
    return false;
}

From source file:Main.java

public static Pattern getPostalCodeRegexpPatternForAdminArea(String zipStartsWithRegEx) {
    if (TextUtils.isEmpty(zipStartsWithRegEx)) {
        return null;
    }//from   w w w.  ja v a2 s.  c  o  m
    return Pattern.compile("(" + zipStartsWithRegEx + ").*", 2);
}

From source file:Main.java

public static String appFilesPath2Root(Context context, String path) {
    if (context == null || TextUtils.isEmpty(path))
        return path;
    String suffix = "/Android/data/" + context.getPackageName() + "/files";
    return path.replace(suffix, "");
}