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 isSupportBluetooth(BluetoothAdapter adapter) {
    if (adapter != null && !TextUtils.isEmpty(adapter.getAddress())) {
        return true;
    }//from   w ww . j a  v a  2 s .co  m
    return false;
}

From source file:Main.java

public static Date parse(String strDate, String pattern) {

    if (TextUtils.isEmpty(strDate)) {
        return null;
    }//from  w w w.j a v  a2  s .  c o  m
    try {
        SimpleDateFormat df = new SimpleDateFormat(pattern);
        return df.parse(strDate);
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static boolean isValidEmail(final String emailAddr) {

    if (TextUtils.isEmpty(emailAddr))
        return false;

    Pattern pattern = Pattern.compile("[\\w\\.\\-]+@([\\w\\-]+\\.)+[\\w\\-]+", Pattern.CASE_INSENSITIVE);
    Matcher matcher = pattern.matcher(emailAddr);
    return matcher.matches();
}

From source file:Main.java

public static boolean isEmptys(String... editTexts) {
    for (String ed : editTexts) {
        String str = ed.trim();//from  w  w w  .  j  av a 2  s .  c o  m
        if (TextUtils.isEmpty(str)) {
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static void show(Context context, String info) {
    if (TextUtils.isEmpty(info))
        return;/*from   w  ww.j av a2s .c o m*/
    Toast.makeText(context, info, Toast.LENGTH_SHORT).show();
}

From source file:Main.java

public static boolean isEmail(String email) {

    if (TextUtils.isEmpty(email))
        return false;

    String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";

    Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
    Matcher matcher = pattern.matcher(email);

    if (matcher.matches())
        return true;
    else//from  ww w . j a v a 2 s. c  om
        return false;

}

From source file:Main.java

public static void shareAppInfo(Context context, String info) {
    if (!TextUtils.isEmpty(info)) {
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("text/plain");
        intent.putExtra(Intent.EXTRA_TEXT, info);
        context.startActivity(intent);//from   ww  w. ja va2 s. co  m
    }
}

From source file:Main.java

public static int getResourceId(Context context, String resourcesName, String type) {
    if (null == context || TextUtils.isEmpty(resourcesName) || TextUtils.isEmpty(type)) {
        return -1;
    }//  ww w . j av  a  2 s. c om

    return context.getResources().getIdentifier(resourcesName, type, context.getPackageName());
}

From source file:Main.java

public static String patternCode(String patternContent) {
    if (TextUtils.isEmpty(patternContent)) {
        return null;
    }// w w w  . ja  v  a  2s .c o m
    Pattern p = Pattern.compile("(?<!\\d)\\d{6}(?!\\d)");
    Matcher matcher = p.matcher(patternContent);
    if (matcher.find()) {
        return matcher.group();
    }
    return null;
}

From source file:Main.java

public static String getLangCode() {
    String lang_code = Locale.getDefault().toString();
    if (!TextUtils.isEmpty(lang_code)) {
        if (lang_code.startsWith("zh") && !lang_code.endsWith("CN")) {
            lang_code = "zh_TW";
        }/*www . j av  a 2s .com*/
        if (lang_code.startsWith("en")) {
            lang_code = "en_US";
        }
    } else {
        lang_code = "zh_CN";
    }
    return lang_code;
}