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 isNullOrWhitespace(String string) {
    if (string == null)
        return true;

    if (string.equalsIgnoreCase("null"))
        return true;

    String trimed = string.trim();
    return TextUtils.isEmpty(trimed);
}

From source file:Main.java

/**
 * showToast//from w w w  .  j av  a2  s  .co m
 * @param context
 * @param message
 * @param duration    LENGTH_SHORT,LENGTH_LONG
 */
public static void showToastTips(Context context, String message, int duration) {
    if (!TextUtils.isEmpty(message)) {
        Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
    }
}

From source file:Main.java

public static boolean hasDefaultViewer(Context context, String mimeType) {
    if (!TextUtils.isEmpty(mimeType)) {
        return PreferenceManager.getDefaultSharedPreferences(context)
                .contains(DEFAULT_VIEWER_PREFIX + mimeType);
    }/*from   w ww . j a  v  a 2s.c o m*/
    return false;
}

From source file:Main.java

public static String convertUtc2LocalPro(String utcTime) {
    if (TextUtils.isEmpty(utcTime)) {
        return "";
    }//from w w  w  .  ja va2 s.  c  om
    // 2014-10-24T02:58:05.932Z
    SimpleDateFormat utcFormatter, localFormatter;
    utcFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.ENGLISH);
    Date date;
    Calendar cal = Calendar.getInstance();
    try {
        date = utcFormatter.parse(utcTime);
        cal.setTime(date);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    cal.add(Calendar.HOUR_OF_DAY, +8);
    date = cal.getTime();
    localFormatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
    return localFormatter.format(date);
}

From source file:Main.java

public static Bitmap rotateBitmapInNeeded(String path, Bitmap srcBitmap) {
    if (TextUtils.isEmpty(path) || srcBitmap == null) {
        return null;
    }//from   w  w  w  .j  a  v  a2  s.com

    ExifInterface localExifInterface;
    try {
        localExifInterface = new ExifInterface(path);
        int rotateInt = localExifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                ExifInterface.ORIENTATION_NORMAL);
        float rotate = getImageRotate(rotateInt);
        if (rotate != 0) {
            Matrix matrix = new Matrix();
            matrix.postRotate(rotate);
            Bitmap dstBitmap = Bitmap.createBitmap(srcBitmap, 0, 0, srcBitmap.getWidth(), srcBitmap.getHeight(),
                    matrix, false);
            if (dstBitmap == null) {
                return srcBitmap;
            } else {
                if (srcBitmap != null && !srcBitmap.isRecycled()) {
                    srcBitmap.recycle();
                }
                return dstBitmap;
            }
        } else {
            return srcBitmap;
        }
    } catch (IOException e) {
        e.printStackTrace();
        return srcBitmap;
    }
}

From source file:Main.java

public static String getSubscriberId(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String tel = tm.getSubscriberId();
    return TextUtils.isEmpty(tel) ? "" : tel;
}

From source file:Main.java

/** Returns the tone type that the string character represents. If input is
 * empty, then returns -1. *///from   w  w w  .  ja v  a 2  s. co m
public static int getToneTypeFromString(String toneString) {
    if (TextUtils.isEmpty(toneString)) {
        return -1;
    }

    if (toneString.equalsIgnoreCase("0")) {
        return ToneGenerator.TONE_DTMF_0;
    } else if (toneString.equalsIgnoreCase("1")) {
        return ToneGenerator.TONE_DTMF_1;
    } else if (toneString.equalsIgnoreCase("2")) {
        return ToneGenerator.TONE_DTMF_2;
    } else if (toneString.equalsIgnoreCase("3")) {
        return ToneGenerator.TONE_DTMF_3;
    } else if (toneString.equalsIgnoreCase("4")) {
        return ToneGenerator.TONE_DTMF_4;
    } else if (toneString.equalsIgnoreCase("5")) {
        return ToneGenerator.TONE_DTMF_5;
    } else if (toneString.equalsIgnoreCase("6")) {
        return ToneGenerator.TONE_DTMF_6;
    } else if (toneString.equalsIgnoreCase("7")) {
        return ToneGenerator.TONE_DTMF_7;
    } else if (toneString.equalsIgnoreCase("8")) {
        return ToneGenerator.TONE_DTMF_8;
    } else if (toneString.equalsIgnoreCase("9")) {
        return ToneGenerator.TONE_DTMF_9;
    } else if (toneString.equalsIgnoreCase("A")) {
        return ToneGenerator.TONE_DTMF_A;
    } else if (toneString.equalsIgnoreCase("B")) {
        return ToneGenerator.TONE_DTMF_B;
    } else if (toneString.equalsIgnoreCase("C")) {
        return ToneGenerator.TONE_DTMF_C;
    } else if (toneString.equalsIgnoreCase("D")) {
        return ToneGenerator.TONE_DTMF_D;
    } else if (toneString.equalsIgnoreCase("#")) {
        return ToneGenerator.TONE_DTMF_P;
    } else if (toneString.equalsIgnoreCase("*")) {
        return ToneGenerator.TONE_DTMF_S;
    }
    return ToneGenerator.TONE_DTMF_0; // Error if code reaches here.
}

From source file:Main.java

/**
 * check if is miui ROM//  w  w  w  . ja v  a2s .c  om
 */
public static boolean checkIsMiuiRom() {
    return !TextUtils.isEmpty(getSystemProperty("ro.miui.ui.version.name"));
}

From source file:Main.java

public static int compareDateStr(String dateStr1, String dateStr2, String format) {
    int result = 0;
    if (TextUtils.isEmpty(dateStr1) && !TextUtils.isEmpty(dateStr2)) {
        return 1;
    }//from w  ww .j a  va2 s  .  com
    if (!TextUtils.isEmpty(dateStr1) && TextUtils.isEmpty(dateStr2)) {
        return -1;
    }
    if ((TextUtils.isEmpty(dateStr1) && TextUtils.isEmpty(dateStr2)) || TextUtils.isEmpty(format)) {
        return 0;
    }
    Date d1 = getDate(dateStr1, format);
    Date d2 = getDate(dateStr2, format);
    if (d1 == null || d2 == null) {
        return result;
    }
    result = d2.compareTo(d1);
    return result;
}

From source file:Main.java

public static String getIMEI(Context context) {
    TelephonyManager telManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String deviceId = telManager.getDeviceId();
    return TextUtils.isEmpty(deviceId) ? "" : deviceId;
}