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 String getMacAddress(Context context) {
    if (TextUtils.isEmpty(macAddress)) {
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        if (wifiInfo != null) {
            macAddress = wifiInfo.getMacAddress();
            return macAddress;
        }//from  www  .  ja v a  2s. c  om
    }
    return macAddress;
}

From source file:Main.java

public static boolean createFile(String fileName) throws IOException {
    if (TextUtils.isEmpty(fileName)) {
        return false;
    }//www.  ja  v  a 2  s . c  o m
    return createFile(fileName, false);
}

From source file:Main.java

public static AccessibilityNodeInfo findParentNodeInfoByClass(AccessibilityNodeInfo nodeInfo,
        String parentClass) {/*from ww w  .  j  av a  2 s.  c  om*/
    if (nodeInfo == null || TextUtils.isEmpty(parentClass)) {
        return null;
    }
    if (parentClass.equals(nodeInfo.getClassName())) {
        return nodeInfo;
    }
    return findParentNodeInfoByClass(nodeInfo.getParent(), parentClass);
}

From source file:Main.java

public static String getFormatDate(final Date date, String type) {
    if (null == date || TextUtils.isEmpty(type)) {
        return null;
    }/*  w ww.  jav  a2  s  .  c  o m*/

    SimpleDateFormat sdf;
    try {
        sdf = new SimpleDateFormat(type, Locale.SIMPLIFIED_CHINESE);
    } catch (Exception e) {
        sdf = new SimpleDateFormat("yyyy-MM-dd", Locale.SIMPLIFIED_CHINESE);
    }
    TimeZone timeZone = TimeZone.getTimeZone("GMT+8");
    sdf.setTimeZone(timeZone);
    return sdf.format(date);
}

From source file:Main.java

public static SpannableString setTextSuper(String content, int startIndex, int endIndex) {
    if (TextUtils.isEmpty(content) || startIndex < 0 || endIndex >= content.length()
            || startIndex >= endIndex) {
        return null;
    }/*w  w  w  .j  av a  2s . co m*/

    SpannableString spannableString = new SpannableString(content);
    spannableString.setSpan(new SuperscriptSpan(), startIndex, endIndex, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

    return spannableString;
}

From source file:Main.java

public static SpannableString setTextBoldItalic(String content, int startIndex, int endIndex) {
    if (TextUtils.isEmpty(content) || startIndex < 0 || endIndex >= content.length()
            || startIndex >= endIndex) {
        return null;
    }/* w w  w  .j  a va2 s. co  m*/

    SpannableString spannableString = new SpannableString(content);
    spannableString.setSpan(new StyleSpan(android.graphics.Typeface.BOLD_ITALIC), startIndex, endIndex,
            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

    return spannableString;
}

From source file:Main.java

public static String getDeviceId(Context context) {
    if (TextUtils.isEmpty(DEVICE_ID)) {
        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        DEVICE_ID = tm.getDeviceId();// w  w w  .j a v a 2  s .  c  om
    }
    return DEVICE_ID;
}

From source file:Main.java

public static void callPhone(Context context, String number) {
    Intent intent2 = new Intent(Intent.ACTION_DIAL);
    if (TextUtils.isEmpty(number))
        return;//from w  ww.  j  a  v a  2 s  .  c om
    Uri data2 = Uri.parse("tel:" + number);
    intent2.setData(data2);
    context.startActivity(intent2);
}

From source file:Main.java

public static SpannableString setTextURL(String content, int startIndex, int endIndex, String url) {
    if (TextUtils.isEmpty(content) || startIndex < 0 || endIndex >= content.length()
            || startIndex >= endIndex) {
        return null;
    }//from  w ww . j  a  v a2s .c  om

    SpannableString spannableString = new SpannableString(content);
    spannableString.setSpan(new URLSpan(url), startIndex, endIndex, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    return spannableString;
}

From source file:Main.java

/**
 * show Toast/*from ww w .  ja v a 2  s .c o  m*/
 *
 * @param context
 * @param message
 */
public static void showToast(Context context, String message) {
    if (TextUtils.isEmpty(message)) {
        return;
    }
    Toast.makeText(context.getApplicationContext(), message, Toast.LENGTH_SHORT).show();
}