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requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
  WindowManager.LayoutParams.FLAG_FULLSCREEN);

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@Override
	public void onConfigurationChanged(Configuration newConfig)   {
		super.onConfigurationChanged(newConfig);
		if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
			// todo
		}else if(getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT){
			// todo
		}
	}

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public class DatabaseHelper {
	private Context context;
	private SqliteHelper sqlite;
	private String TB_NAME;
	private String TB_STRUCT;

	public DatabaseHelper(Context context, String DbName, String TB_NAME, String TB_STRUCT) {
		this.context = context;
		this.TB_NAME = TB_NAME;
		this.TB_STRUCT = TB_STRUCT;

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// Contructor ()
// StaticVar.java contain 'Expand_State' var
private List<ItemObject> list;
private int current_size;

StaticVar.Expand_State = new boolean[list.size()];
current_size = list.size();
// end Contructor--------------------------------

// @override Getview()

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// String result;

JsonParser parser = new JsonParser();
JsonElement elem = parser.parse(result);
JsonArray jsonArray = elem.getAsJsonArray();

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Locale.getDefault().getLanguage();
// ja, vi, en...

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// private long currentSearchTime;
// private Handler handlerSearch;
// private Runnable runableSearch;
@Override
protected void onCreate(Bundle savedInstanceState) {
    handlerSearch = new Handler();
    runableSearch = new Runnable() {

        @Override
        public void run() {

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public static void hideSoftKeyboard(Activity activity) {
	    InputMethodManager inputMethodManager = (InputMethodManager)  activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
	    inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);
	}

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public static String formatSize(long bytes, int place) {
		int level = 0;
		float number = bytes;
		String[] unit = { "bytes", "KB", "MB", "GB", "TB", "PB" };

		while (number >= 1024f) {
			number /= 1024f;
			level++;
		}

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public static void setDefaultPreference(Context context,String share_Pref_Name) {
		SharedPreferences getpref = context.getSharedPreferences(share_Pref_Name, Context.MODE_PRIVATE);
		Map<String, ?> tempPreference = getpref.getAll();
		if(tempPreference.size() <= 0){
			// set default (fist time)
			Editor edit = getpref.edit();
			edit.putString(context.getString(R.string.pref_key_cache_capacity), StaticVar.PREF_DEFAULT_CACHE);
			edit.putString(context.getString(R.string.pref_key_cache_mode), StaticVar.PREF_DEFAULT_CACHE_MODE);
			edit.putBoolean(context.getString(R.string.pref_key_notification), StaticVar.PREF_DEFAULT_NOTIFICATION);
			edit.putString(context.getString(R.string.pref_key_orientation_mode), StaticVar.PREF_DEFAULT_ORIENTATION_MODE);