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 isEmail(String email) {
    if (TextUtils.isEmpty(email)) {
        return false;
    }//from w w w  .j  av  a  2s .c  om
    String reg = "^[0-9a-z_-][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}\\.){1,4}[a-z]{2,4}$";
    Pattern pattern = Pattern.compile(reg, Pattern.CASE_INSENSITIVE);
    Matcher matcher = pattern.matcher(email);
    return matcher.matches();
}

From source file:Main.java

/**
 * Convert String into int ,return 0 if blank string or 
 * @str string to convert/*from   w  w  w  . j  av  a 2s  .  c o m*/
 * */
public static int getInt(String str) {
    if (TextUtils.isEmpty(str)) {
        return 0;
    } else {
        try {
            return Integer.valueOf(str);
        } catch (Exception e) {
        }
        return 0;
    }
}

From source file:Main.java

/**
 *
 * @param mobile//from  ww  w .j ava2  s .c o m
 * @return
 */
public static String formatMobileNumber(String mobile) {
    if (TextUtils.isEmpty(mobile)) {
        return "";
    }
    return mobile.replaceAll("[\\.\\-\\ ]", "").trim();
}

From source file:Main.java

public static String trimNewLine(String str) {
    if (TextUtils.isEmpty(str))
        return "";

    str = str.trim();/*from ww  w.  ja va 2s  .c  o m*/
    Pattern p = Pattern.compile("\t|\r|\n");
    Matcher m = p.matcher(str);
    String dest = m.replaceAll("");
    return dest;
}

From source file:Main.java

private static boolean isExistDataCache(Context context, String cacheFile) {
    if (context == null || TextUtils.isEmpty(cacheFile)) {
        return false;
    }/*from  w w w .  jav a2s.co m*/

    boolean exist = false;
    File data = context.getFileStreamPath(cacheFile);
    if (data.exists())
        exist = true;
    return exist;
}

From source file:Main.java

public static String getCountry() {
    Locale locale = Locale.getDefault();
    String countryCode = locale.getCountry();
    if (TextUtils.isEmpty(countryCode)) {
        countryCode = "";
    }//from  w  w w.  j  av a 2 s.c om
    return countryCode;
}

From source file:Main.java

public static String hideName(String string) {

    if (!TextUtils.isEmpty(string)) {
        int length = string.length();
        if (length > 1) {
            string = string.substring(0, 1);
            string = string + (length > 2 ? "**" : "*");
        }/*from  ww w  .  j av  a2 s .co  m*/
    }
    return string;
}

From source file:Main.java

public static <T> T jsonToObject(String json, Class<T> c) {
    T t = null;//w w  w .  j  a v  a  2 s.c o  m
    if (!TextUtils.isEmpty(json)) {
        try {
            t = new Gson().fromJson(json, c);
        } catch (JsonSyntaxException e) {
            e.printStackTrace();
        }
    }
    return t;
}

From source file:Main.java

public static String replaceAllBlank(String str) {
    if (TextUtils.isEmpty(str))
        return "";

    Pattern p = Pattern.compile("\\s*|\t|\r|\n");
    Matcher m = p.matcher(str);/* w w w  .j a  va 2s. c om*/
    String dest = m.replaceAll("");
    return dest;
}

From source file:Main.java

public static boolean isEmpty(final String... names) {
    if (names == null) {
        return true;
    }/*from w w w  .ja v  a2s. c om*/
    for (String name : names) {
        if (TextUtils.isEmpty(name)) {
            return true;
        }
    }
    return false;
}