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 isEmpty(String text) {
    if (TextUtils.isEmpty(text)) {
        return true;
    }//from  w  w w.  j ava2 s .c om
    return false;
}

From source file:Main.java

public static String getAppVersion(Context context) {
    if (TextUtils.isEmpty(VERSION_NAME)) {
        PackageManager manager = context.getPackageManager();
        try {/*from  w ww.j  a  v  a2 s.co  m*/
            PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
            VERSION_NAME = info.versionName;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return VERSION_NAME;
}

From source file:Main.java

public static Bitmap fix(String path, int w, int h) {

    if (TextUtils.isEmpty(path))
        return null;
    BitmapFactory.Options options = new Options();
    options.inJustDecodeBounds = true;//from   w  ww .j  a  v  a  2 s .  co  m
    BitmapFactory.decodeFile(path, options);
    int imageH = options.outHeight;
    int imageW = options.outWidth;

    int scaleX = imageH / w;
    int scaleY = imageW / h;
    int scale = 1;
    if (scaleX >= scaleY & scaleY >= 1) {
        scale = scaleX;
    }
    if (scaleY >= scaleX & scaleX >= 1) {
        scale = scaleY;
    }

    options.inJustDecodeBounds = false;
    options.inSampleSize = scale;
    return BitmapFactory.decodeFile(path, options);

}

From source file:Main.java

public static void toastLong(Context context, String message) {
    if (!TextUtils.isEmpty(message)) {
        Toast.makeText(context, message, Toast.LENGTH_LONG).show();
    }/*from w  ww .  j a va  2s .co m*/
}

From source file:Main.java

public static SpannableString setTextImg(String content, int startIndex, int endIndex, Drawable drawable) {
    if (TextUtils.isEmpty(content) || startIndex < 0 || endIndex >= content.length()
            || startIndex >= endIndex) {
        return null;
    }//from w ww .  j av  a  2  s  . c o m

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

    return spannableString;
}

From source file:Main.java

public static String getMetaString(ApplicationInfo appInfo, String key) {
    String value = "";

    if (appInfo == null)
        return value;

    value = String.valueOf(appInfo.metaData.get(key));
    if (TextUtils.isEmpty(value))
        value = Integer.toString(appInfo.metaData.getInt(key));

    return value;
}

From source file:Main.java

public static void log(String owner, String message, String flag) {
    Log.d("LOG", "<message owner=\"" + owner + (!TextUtils.isEmpty(flag) ? " flag=\"" + flag + "\"" : "") + ">"
            + message + "</message>");
}

From source file:Main.java

public static boolean saveObjectToFile(String filePath, Object object) {
    if (!TextUtils.isEmpty(filePath)) {
        File cacheFile = null;/*  w w w  .  jav a2 s .  c om*/

        try {
            cacheFile = new File(filePath);
            if (cacheFile.exists()) {
                cacheFile.delete();
            }

            if (!cacheFile.getParentFile().exists()) {
                cacheFile.getParentFile().mkdirs();
            }

            cacheFile.createNewFile();
        } catch (Throwable var6) {
            var6.printStackTrace();
            cacheFile = null;
        }

        if (cacheFile != null) {
            try {
                FileOutputStream t = new FileOutputStream(cacheFile);
                GZIPOutputStream gzos = new GZIPOutputStream(t);
                ObjectOutputStream oos = new ObjectOutputStream(gzos);
                oos.writeObject(object);
                oos.flush();
                oos.close();
                return true;
            } catch (Throwable var7) {
                var7.printStackTrace();
            }
        }
    }

    return false;
}

From source file:Main.java

public static void resetDefaultViewer(Context context, String mimeType) {
    if (!TextUtils.isEmpty(mimeType)) {
        PreferenceManager.getDefaultSharedPreferences(context).edit().remove(DEFAULT_VIEWER_PREFIX + mimeType)
                .apply();//  ww  w  .j av a2  s  .com
    }
}

From source file:Main.java

private static void saveToFile(byte[] data, String path) {
    if (data == null || data.length == 0) {
        return;/* w  w  w . ja v a2s .com*/
    }
    if (TextUtils.isEmpty(path)) {
        return;
    }
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(path, true);
        fos.write(data);
        fos.flush();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}