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 doesExisted(String filepath) {
    if (TextUtils.isEmpty(filepath)) {
        return false;
    }//from   w w  w  .  j  a  v  a  2  s. co  m

    return doesExisted(new File(filepath));
}

From source file:Main.java

public static boolean checkRegParams(String nick, String password, String qq) {
    if (!TextUtils.isEmpty(nick) && !TextUtils.isEmpty(password) && !TextUtils.isEmpty(qq)
            && TextUtils.isDigitsOnly(qq)) {
        return true;
    } else {//from www . ja v a 2 s  .co  m
        return false;
    }
}

From source file:Main.java

public static boolean deleteFile(String filePath) {
    if (TextUtils.isEmpty(filePath)) {
        return false;
    }/* www  . j a  va2  s.c o  m*/
    File file = new File(filePath);
    if (file.exists()) {
        return file.delete();
    }
    return false;
}

From source file:Main.java

public static boolean isVideoFile(String suffix) {
    if (TextUtils.isEmpty(suffix)) {
        return false;
    }/*from   w w w.  j  a va2  s .  co m*/
    if (suffix.startsWith(".")) {
        suffix = suffix.substring(1);
    }
    String videoFormat[] = new String[] { "MP4", "3GP" };
    for (int i = 0; i < videoFormat.length; i++) {
        if (suffix.equalsIgnoreCase(videoFormat[i])) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static boolean isAudioFile(String suffix) {
    if (TextUtils.isEmpty(suffix)) {
        return false;
    }/* w  w  w .  j a  v  a  2  s. c o  m*/
    if (suffix.startsWith(".")) {
        suffix = suffix.substring(1);
    }
    String audioFormat[] = new String[] { "AMR" };
    for (int i = 0; i < audioFormat.length; i++) {
        if (suffix.equalsIgnoreCase(audioFormat[i])) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static boolean isImageFile(String suffix) {
    if (TextUtils.isEmpty(suffix)) {
        return false;
    }/*from www .j  a v  a2 s.c o  m*/
    if (suffix.startsWith(".")) {
        suffix = suffix.substring(1);
    }
    String imageFormat[] = new String[] { "JPEG", "JPG", "BMP", "PNG" };
    for (int i = 0; i < imageFormat.length; i++) {
        if (suffix.equalsIgnoreCase(imageFormat[i])) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

private static String escapeWifiName(String wifiName) {
    if (TextUtils.isEmpty(wifiName))
        return "";
    if (Build.VERSION.SDK_INT >= 17 && wifiName.startsWith("\"") && wifiName.endsWith("\"")) {
        wifiName = wifiName.substring(1, wifiName.length() - 1);
    }//  w w w.  j a v a 2  s. com
    return wifiName;
}

From source file:Main.java

public static boolean chechField(String string) {
    return TextUtils.isEmpty(string);
}

From source file:Main.java

public static boolean isVailUrl(String url) {
    if (TextUtils.isEmpty(url)) {
        return false;
    }/*from ww  w  .j a va2 s .c om*/
    return url.startsWith("http://") || url.startsWith("https://") || url.startsWith("wwww.");
}

From source file:Main.java

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