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 setBluetoothDeviceName(String name) {
    if (TextUtils.isEmpty(name)) {
        return false;
    }/*  w w w  .ja v  a 2  s  . c om*/
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    return adapter.setName(name);
}

From source file:Main.java

public static boolean fileAvaliable(String path) {
    boolean flag = false;
    if (!TextUtils.isEmpty(path)) {
        File file = new File(path);
        flag = file.exists() && file.isFile() && file.length() > 0;
    }//from  ww w  .java  2 s.c  o  m
    return flag;
}

From source file:Main.java

public static boolean isLogged() {
    return !TextUtils.isEmpty(sToken);
}

From source file:Main.java

public static long getFileSize(String path) throws Throwable {
    if (TextUtils.isEmpty(path)) {
        return 0L;
    } else {/* w  ww .  j  a  v a2s.c  o  m*/
        File file = new File(path);
        return getFileSize(file);
    }
}

From source file:Main.java

public static byte[] parseHexStr2Byte(String hexStr) {
    if (TextUtils.isEmpty(hexStr)) {
        return null;
    }//from   www .  j  a  v  a  2s .  c o m
    int length = hexStr.length() / 2;

    byte[] result = new byte[length];
    for (int i = 0; i < length; i++) {
        int high = Integer.parseInt(hexStr.substring(i * 2, i * 2 + 1), 16);
        int low = Integer.parseInt(hexStr.substring(i * 2 + 1, i * 2 + 2), 16);
        result[i] = (byte) (high * 16 + low);
    }
    return result;
}

From source file:Main.java

public static String getFileUrl(String filePath) {
    if (!TextUtils.isEmpty(filePath)) {
        return FILE_PREFIX + filePath;
    }//w  ww.j ava  2 s . co  m
    return "";
}

From source file:Main.java

public static boolean isEmpty(String str) {
    boolean result = false;
    if ("null".equals(str) || TextUtils.isEmpty(str)) {
        result = true;/*  w w w.j  a  v  a2  s  .  c o  m*/
    } else {
        if (TextUtils.isEmpty(str.trim())) {
            result = true;
        } else {
            result = false;
        }
    }
    return result;
}

From source file:Main.java

public static long getFileSize(String path) {
    if (TextUtils.isEmpty(path)) {
        return -1;
    }/*w w w .  j  av a  2s  .  com*/
    File file = new File(path);
    return (file.exists() && file.isFile() ? file.length() : -1);
}

From source file:Main.java

public static Uri getUriFromNet(String url) {
    if (TextUtils.isEmpty(url)) {
        return Uri.parse("");
    } else {// w  ww .ja  va 2 s  . c  o m
        return Uri.parse(url);
    }
}

From source file:Main.java

public static String getFileExtension(final String fileName) {
    if (TextUtils.isEmpty(fileName)) {
        return "";
    }/*  ww w .j  ava2s . co  m*/
    int nFind = fileName.lastIndexOf('.');
    if (nFind >= 0) {
        return fileName.substring(nFind);
    }
    return "";
}