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 isMobileNO(String mobiles) {

    String telRegex = "[1][358]\\d{9}";
    if (TextUtils.isEmpty(mobiles))
        return false;
    else/*  w ww  . jav a 2  s . c om*/
        return mobiles.matches(telRegex);
}

From source file:Main.java

public static boolean checkRegNum(CharSequence code) {
    if (TextUtils.isEmpty(code) || code.length() != 4) {
        return false;
    }/*from  ww w.j a  va 2 s . c  om*/
    return true;
}

From source file:Main.java

public static String safeString(String string) {
    if (TextUtils.isEmpty(string)) {
        return EMPTY_STR;
    } else {/*from w  w  w.j a v a  2 s  . co  m*/
        return string;
    }
}

From source file:Main.java

public static final int parseIPAddress(String address) {
    if (TextUtils.isEmpty(address))
        throw new IllegalArgumentException("address cannot be null or empty");
    String[] tokens = address.split("\\.");
    boolean isOk = true;
    int ip = 0;//from  w  w  w . j av  a  2  s.  c  o  m
    if (tokens.length == 4) {
        for (int i = 0; i < 4; i++) {
            try {
                short num = Short.parseShort(tokens[i]);
                if (num < 0 || num > 255) {
                    isOk = false;
                    break;
                }
                ip |= (num << (8 * i));
            } catch (NumberFormatException ex) {
                isOk = false;
                break;
            }
        }
    } else
        isOk = false;

    if (!isOk)
        throw new IllegalArgumentException("address is not in the form X.X.X.X, with X in the range 0-255");

    return ip;
}

From source file:Main.java

public static boolean isMobiPhoneNumber(String telNum) {
    if (TextUtils.isEmpty(telNum)) {
        return false;
    }// w  w w.  ja v a2s  .  c o m
    telNum = telNum.replaceAll("^\\+{0,1}86", "");

    return telNum.matches("^((13[0-9])|(15[0-9])|(17[0-9]))|(18[0-9]))\\d{8}$");
}

From source file:Main.java

public static boolean isMucIdLegal(String mucId) {
    return !TextUtils.isEmpty(mucId) && mucId.endsWith(MUC_TAIL);
}

From source file:Main.java

public static boolean isAppFilesPath(Context context, String path) {
    return !TextUtils.isEmpty(path) && path.contains("/Android/data/" + context.getPackageName() + "/files");
}

From source file:Main.java

public static boolean isAppCachePath(Context context, String path) {
    return !TextUtils.isEmpty(path) && path.contains("/Android/data/" + context.getPackageName() + "/cache");
}

From source file:Main.java

public static void appendAndSeparateIfNotEmpty(StringBuilder stringbuilder, CharSequence charsequence) {
    if (!TextUtils.isEmpty(charsequence))
        stringbuilder.append(charsequence).append(". ");
}

From source file:Main.java

public static String getCachePathByUrl(String url) {
    if (TextUtils.isEmpty(url)) {
        return null;
    }/* www  . ja va2  s. c  om*/
    return uiBufferPath + url.hashCode();
}