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 getIMSI(Context context) {
    TelephonyManager mTelephonyMgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String imsi = mTelephonyMgr.getSubscriberId();
    if (TextUtils.isEmpty(imsi)) {
        imsi = "000000000000000";
    }// ww  w  .j a v  a  2 s .c  o m
    return imsi;
}

From source file:Main.java

public static boolean isSyncConfigured(Context context) {
    String syncSource = PreferenceManager.getDefaultSharedPreferences(context).getString("syncSource", "");

    if (TextUtils.isEmpty(syncSource))
        return false;
    else/*from   www .  j a  v  a2 s.c om*/
        return true;
}

From source file:Main.java

public static boolean saveObject(@NonNull Context context, Object obj, String fileName) {
    if (obj == null || TextUtils.isEmpty(fileName)) {
        return false;
    }// w w  w  .  jav  a 2 s .c om

    FileOutputStream fos = null;
    ObjectOutputStream oos = null;
    try {
        fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        oos = new ObjectOutputStream(fos);
        oos.writeObject(obj);
        oos.flush();
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    } finally {
        try {
            if (fos != null)
                fos.close();
            if (oos != null)
                oos.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

From source file:Main.java

/**
 * get image size by path//from   w  ww.  j  a  v a2 s  .  c  om
 */
public static Point getImageSize(String path) throws IOException {
    if (TextUtils.isEmpty(path)) {
        return null;
    }
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    if (path.startsWith("http")) {
        BitmapFactory.decodeStream(new URL(path).openStream(), null, options);
    } else {
        BitmapFactory.decodeFile(path, options);
    }
    return new Point(options.outWidth, options.outHeight);
}

From source file:Main.java

public static String getPhone(Context context) {
    TelephonyManager mTelephonyMgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String num = mTelephonyMgr.getLine1Number();

    if (TextUtils.isEmpty(num)) {
        return "";
    } else {/*from ww w .ja v  a2  s.c  o m*/
        return num;
    }
}

From source file:Main.java

private static boolean isEmpty(String target) {
    return TextUtils.isEmpty(target);
}

From source file:Main.java

public static boolean isNull(String val) {
    // Log.d("val", val);
    return TextUtils.isEmpty(val) || "null".equals(val) || null == val;
}

From source file:Main.java

public static void toastMessage(Context context, String message) {
    if (context == null) {
        return;//  w  w w. j ava 2  s .  c  o  m
    }
    if (TextUtils.isEmpty(message)) {
        sToast = null;
        return;
    }
    if (sToast != null) {
        sToast.cancel();
        sToast = null;
    }
    sToast = getToast(context);
    sToast.setDuration(Toast.LENGTH_SHORT);
    sToast.setText(message);
    sToast.show();
}

From source file:Main.java

public static WeakReference<Bitmap> autoRotateBitmap(String path, WeakReference<Bitmap> bmp) {
    if (TextUtils.isEmpty(path) || bmp == null || bmp.get() == null)
        return bmp;
    int degree = getDegress(path);
    if (degree != 0) {
        bmp = rotateBitmap(bmp, degree);
    }/*from  ww w.j  ava2s  .  com*/
    return bmp;
}

From source file:Main.java

public static List<String> getSubtitlePath(String videoPath) {
    List<String> sbPathList = new ArrayList<String>();
    if (TextUtils.isEmpty(videoPath))
        return sbPathList;
    if (videoPath.contains("file")) {
        videoPath = videoPath.substring(7);
    }//from   ww  w.j  ava2s. c o  m

    int end = videoPath.lastIndexOf("/", videoPath.length());
    String path = videoPath.substring(0, end + 1);
    end = videoPath.lastIndexOf(".", videoPath.length());
    if (-1 == end || null == path)
        return sbPathList;

    String subffix = videoPath.substring(0, end);
    File files = new File(path);
    if ((files != null) && (files.exists()) && (files.isDirectory())) {
        File[] filesInDir = files.listFiles();
        long count = filesInDir.length;
        for (int num = 0; num < count; num++) {
            String filePath = filesInDir[num].getPath();
            File subTitleFile = new File(filePath);
            if ((subTitleFile != null) && (subTitleFile.isFile()) && (subTitleFile.canRead())) {
                int pos = filePath.lastIndexOf(".", filePath.length());
                String sub = filePath.substring(pos + 1, filePath.length());
                if ((filePath.startsWith(subffix)) && (sub != null)
                        && ((sub.equalsIgnoreCase("srt")) || (sub.equalsIgnoreCase("ass"))
                                || (sub.equalsIgnoreCase("smi")) || (sub.equalsIgnoreCase("ssa"))
                                || (sub.equalsIgnoreCase("sub")))) {
                    sbPathList.add(filePath);
                }
            }
        }
        if (sbPathList.size() != 0) {
            return sbPathList;
        }
    }
    return sbPathList;
}