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

/**
 *
 * @param userData// w  ww. j  av a2  s .c  om
 * @return
 */
public static String getFileNameFormUserdata(String userData) {
    if (TextUtils.isEmpty(userData) || "null".equals(userData)) {
        return "";
    }
    return userData.substring(userData.indexOf("fileName=") + "fileName=".length(), userData.length());
}

From source file:Main.java

public static boolean checkEmailFormat(String email) {
    if (TextUtils.isEmpty(email)) {
        return false;
    }//from   ww  w.j a va  2  s . c o  m
    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

public static boolean isEmailLegal(String email) {
    if (TextUtils.isEmpty(email))
        return false;

    final String REGEXP = "^([a-z0-9\\-_.+]+)@([a-z0-9\\-]+[.][a-z0-9\\-.]+)$";
    Pattern p = Pattern.compile(REGEXP);
    Matcher m = p.matcher(email.toLowerCase());
    return m.matches();
}

From source file:Main.java

public static void writeData(OutputStream stream, String str) {
    if (null == stream || TextUtils.isEmpty(str)) {
        return;/* w w w.j  a  v  a  2  s.c om*/
    }

    str = str + "\r\n";

    try {
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(stream);
        bufferedOutputStream.write(str.getBytes());
        bufferedOutputStream.flush();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {

    }
}

From source file:Main.java

public static Bitmap getBitmapFromBase64(String base64Str) {

    if (TextUtils.isEmpty(base64Str)) {
        return null;
    }/*from   w ww . j av a2s  . com*/

    byte[] bytes = Base64.decode(base64Str, Base64.NO_WRAP);
    return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
}

From source file:Main.java

public static boolean isPhoneNumber(String phoneNumber) {
    if (TextUtils.isEmpty(phoneNumber)) {
        return false;
    }//from   www . ja va  2  s .c  om
    String reg = "^[0-9]{11}$";
    Pattern pattern = Pattern.compile(reg);
    Matcher matcher = pattern.matcher(phoneNumber);
    return matcher.matches();
}

From source file:Main.java

public static Object getField(String paramString, Object paramObject) throws Exception {
    if (TextUtils.isEmpty(paramString))
        throw new RuntimeException("field name can not be empty");
    if (paramObject == null)
        throw new RuntimeException("target object can not be null");
    Field localField = paramObject.getClass().getDeclaredField(paramString);
    if (localField == null)
        throw new RuntimeException("target object: " + paramObject.getClass().getName()
                + " do not have this field: " + paramString);
    localField.setAccessible(true);/*from ww w.  j av  a  2s. com*/
    return localField.get(paramObject);
}

From source file:Main.java

public static boolean notEmpty(String s) {
    return s != null && !TextUtils.isEmpty(s.trim());
}

From source file:Main.java

public static boolean uninstallApk(Context context, String packageName) {
    if (TextUtils.isEmpty(packageName)) {
        return false;
    }/*from w w w. j  a  va  2  s . c  o m*/
    Intent i = new Intent(Intent.ACTION_DELETE, Uri.parse("package:" + packageName));
    i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(i);
    return true;
}

From source file:Main.java

public static Pair<String, String> parseQuoteUsernamePostid(final String usernamePostId) {
    if (TextUtils.isEmpty(usernamePostId)) {
        return null;
    }/*w  w  w .  j a v  a 2  s.  c o m*/
    final String[] split = usernamePostId.split(";");
    if (split.length == 0) {
        return null;
    } else if (split.length == 1) {
        return new Pair<>(split[0], null);
    }
    return new Pair<>(split[0], split[1]);
}