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 isValid(String expiry) {

    if (TextUtils.isEmpty(expiry)) {
        return false;
    }// www .j a  v a2s.c  om

    if (expiry.length() != LENGTH_EXPIRY_DATE) {
        return false;
    }

    // check all numeric
    if (!TextUtils.isDigitsOnly(expiry)) {
        return false;
    }

    // check month valid
    int month = Integer.parseInt(expiry.substring(0, 2));

    if (month < 1 || month > 12) {
        return false;
    }

    return true;
}

From source file:Main.java

public static void sendSmsBySystem(Context context, String phone, String body) {
    if (TextUtils.isEmpty(phone))
        return;/*ww  w .j  ava2 s .  com*/
    Uri uri = Uri.parse("smsto:" + phone);
    Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
    intent.putExtra("sms_body", body);
    context.startActivity(intent);

}

From source file:Main.java

public static void assertNotEmpty(String text, String parameterName) throws AssertionError {
    check(TextUtils.isEmpty(text) || TextUtils.isEmpty(text.trim()), parameterName + " can't be empty.");
}

From source file:Main.java

public static String getImageSavePath(String fileName) {

    if (TextUtils.isEmpty(fileName)) {
        return null;
    }//from  w  w w. j a  v a  2  s  .c o  m

    final File folder = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator
            + "MGJ-IM" + File.separator + "images");
    if (!folder.exists()) {
        folder.mkdirs();
    }

    return folder.getAbsolutePath() + File.separator + fileName;
}

From source file:Main.java

public static String md5(String str) {
    if (TextUtils.isEmpty(str)) {
        return null;
    }//from w  w w  .j  a v a  2 s.  c  o m
    try {
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        messageDigest.update(str.getBytes());
        return encodeHex(messageDigest.digest());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static void updateTitle(TextView view, String title) {
    if (view != null && !TextUtils.isEmpty(title)) {
        view.setVisibility(View.VISIBLE);
        view.setSelected(true);/*from   ww  w .j  a v a 2  s. c  o m*/
        view.setText(title);
    }
}

From source file:Main.java

public static boolean deleteFolderFile(String filePath, boolean deleteThisPath) {
    if (!TextUtils.isEmpty(filePath)) {
        try {//from   w  w  w.  j ava  2 s .  c om
            File file = new File(filePath);
            if (file.isDirectory()) {
                File files[] = file.listFiles();
                for (int i = 0; i < files.length; i++) {
                    deleteFolderFile(files[i].getAbsolutePath(), true);
                }
            }
            if (deleteThisPath) {
                if (!file.isDirectory()) {
                    file.delete();
                } else {
                    if (file.listFiles().length == 0) {
                        file.delete();
                    }
                }
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return false;
}

From source file:Main.java

public static boolean isMediaInDateRange(String mediaTimeStamp) {

    if (!TextUtils.isEmpty(mediaTimeStamp)) {
        Date currentDate = new Date();
        long mediaDateLong = Long.valueOf(mediaTimeStamp) * 1000L;
        long diff = currentDate.getTime() - mediaDateLong;
        if (diff < IG_MEDIA_PHOTOS_RANGE) {
            return true;
        }/*ww w  . ja v  a  2  s . com*/
    }
    return false;
}

From source file:Main.java

/**
 *
 * @param str//from w  w  w  . j  av  a  2 s.  c o  m
 * @return
 */
public static String isEmptyOrNull(String str) {
    if (TextUtils.isEmpty(str)) {
        return DEFAULT_EMPTY;
    }
    return str;
}

From source file:Main.java

public static boolean isPhoneNumber(String phoneNumber) {
    if (phoneNumber == null)
        return false;
    if (TextUtils.isEmpty(phoneNumber))
        return false;
    Pattern pattern = Pattern.compile("^(86|\\+86)?[1][3,4,5,8][0-9]{9}$");
    Matcher m = pattern.matcher(phoneNumber);
    return m.matches();
}