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 void install(Context context, String path) {
    if (TextUtils.isEmpty(path)) {
        return;//from  w w w . j a va  2 s .c o  m
    }
    Intent installIntent = new Intent(Intent.ACTION_VIEW);
    installIntent.setDataAndType(Uri.parse(path), "application/vnd.android.package-archive");
    context.startActivity(installIntent);
}

From source file:Main.java

public static boolean checkPhone(String num) {
    String mobile = num;/*  w ww.  ja  va2  s .  c om*/
    if (TextUtils.isEmpty(mobile)) {
        return false;
    }
    String exp = "(1)[0-9]{10}$";
    Pattern p = Pattern.compile(exp);
    Matcher m = p.matcher(mobile);
    boolean isPhoneNum = m.matches();
    return isPhoneNum;
}

From source file:Main.java

/**
 * Checks whether or not a phone number is a private caller or not.
 *///from www  . ja  v  a  2s  .c om
public static boolean isPrivateCaller(CharSequence charsequence) {
    return TextUtils.isEmpty(charsequence) || '-' == charsequence.charAt(0);
}

From source file:Main.java

public static String getFirstNotEmpty(final String... texts) {
    for (final String text : texts) {
        if (!TextUtils.isEmpty(text)) {
            return text;
        }/*from  www  .  j a v a  2 s. com*/
    }

    return null;
}

From source file:Main.java

public static String getFileScheme(@NonNull final String filePath) {
    if (TextUtils.isEmpty(filePath))
        return "";
    return filePath.substring(filePath.lastIndexOf(".") + 1);
}

From source file:Main.java

public static String addParamToUrl(String url, String key, Object value) {
    if (TextUtils.isEmpty(url)) {
        return null;
    }/*from www.jav a2 s.  c o  m*/
    String tmpKey = key + "=";
    if (url.indexOf(tmpKey) != -1) {
        String[] tmp = url.split(tmpKey);
        if (tmp.length > 1) {
            if (tmp[1].indexOf("&") != -1) {
                String subStr = tmp[1].substring(tmp[1].indexOf("&"), tmp[1].length());
                url = tmp[0] + tmpKey + value + subStr;
            } else {
                url = tmp[0] + tmpKey + value;
            }
        }
    } else {
        if (url.indexOf("?") == -1) {
            url += "?" + key + "=" + value;
        } else {
            url += "&" + key + "=" + value;
        }
    }
    return url;
}

From source file:Main.java

public static void callByPhone(Context context, String phone) {
    if (TextUtils.isEmpty(phone)) {
        return;//  w ww.  ja  v  a 2  s  . c o m
    }

    Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phone));
    context.startActivity(intent);
}

From source file:Main.java

public static boolean patternCode(String patternCoder, String patternContent) {
    if (TextUtils.isEmpty(patternContent)) {
        return false;
    }//from  w w  w .j  a v a 2s.c om
    Pattern p = Pattern.compile(patternCoder);
    Matcher matcher = p.matcher(patternContent);
    if (matcher.find()) {
        return true;
    }
    return false;
}

From source file:Main.java

public static void checkNotNull(Object object, String message) {
    if (TextUtils.isEmpty(message))
        message = "param check failed";
    if (object == null)
        throw new NullPointerException(message);
}

From source file:Main.java

public static void setText(TextView textView, String text) {
    if (textView != null && !TextUtils.isEmpty(text)) {
        textView.setVisibility(View.VISIBLE);
        textView.setText(text);//from www  .  ja  va  2  s .  c  o m
    }
}