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 checkUrl(String url) {
    if (TextUtils.isEmpty(url)) {
        return false;
    }/*www  . ja  v  a2s . c om*/
    return Pattern.compile("^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]")
            .matcher(url).matches();
}

From source file:Main.java

public static boolean isValidEmail(String email) {
    return !TextUtils.isEmpty(email) && Patterns.EMAIL_ADDRESS.matcher(email).matches();
}

From source file:Main.java

public static byte[] decodeToByte(String content) {
    if (TextUtils.isEmpty(content)) {
        return null;
    }/*from  www  .  j  a  v  a2 s  .c om*/
    return Base64.decode(content.getBytes(), Base64.DEFAULT);
}

From source file:Main.java

public static boolean startWithMytext(String mytext, String begin) {
    if (TextUtils.isEmpty(mytext) && TextUtils.isEmpty(begin))
        return false;
    else {//from ww  w .j ava 2s  .c  om
        if (mytext.startsWith(begin))
            return true;
        else
            return false;
    }
}

From source file:Main.java

public static String getArtistAndAlbum(String artist, String album) {
    if (TextUtils.isEmpty(artist) && TextUtils.isEmpty(album)) {
        return "";
    } else if (!TextUtils.isEmpty(artist) && TextUtils.isEmpty(album)) {
        return artist;
    } else if (TextUtils.isEmpty(artist) && !TextUtils.isEmpty(album)) {
        return album;
    } else {/*  w w  w.  j av  a 2  s  .  c  om*/
        return artist + " - " + album;
    }
}

From source file:Main.java

public static boolean isNotEmpty(String str) {
    return !TextUtils.isEmpty(str);
}

From source file:Main.java

public static boolean isGif(String url) {
    if (!TextUtils.isEmpty(url)) {
        int index = url.lastIndexOf("suffix=");
        if (index >= 0 && index + 10 <= url.length()) {
            String type = url.substring(index + 7, index + 10);
            if ("gif".equals(type)) {
                return true;
            }//from   w ww. j ava2s. co  m
        }
        if (url.contains(".gif")) {
            return true;
        }
        if (url.contains("format=gif")) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static boolean isFileExist(String fileName) {
    if (TextUtils.isEmpty(fileName)) {
        return false;
    }//from  w ww .  j  a  v a2s .c  o  m
    File file = new File(fileName);
    return file.exists();

}

From source file:Main.java

public static void delFile(String path) {
    if (TextUtils.isEmpty(path)) {
        return;//from  w ww .  j a va2 s  .co m
    }

    try {
        File file = new File(path);
        if (file.exists()) {
            file.delete();
        }
    } catch (Exception ignore) {

    }
}

From source file:Main.java

public static String removePlusFromMobile(String mobile) {
    if (mobile != null || !TextUtils.isEmpty(mobile)) {
        String[] arrMobile = mobile.split("\\+");
        if (arrMobile.length > 0)
            return arrMobile[1];
    }//w w w  . j ava 2  s.  co  m
    return mobile;
}