/**
  * 构造方法创建数据库,并取得SQLiteDatabase对象
  *
  * @param
  */
 private SQLiteHelper() {
   super(
       BaseApplication.getInstance().getApplicationContext(),
       dbArchitecture.getDBName(),
       null,
       dbArchitecture.getCurrentVersion());
   // this.getWritableDatabase();
 }
 /**
  * 把图片资源文件转换为Bitmap
  *
  * @param resId :图片资源文件编号
  * @return
  */
 public static Bitmap readBitMap(int resId) {
   BitmapFactory.Options opt = new BitmapFactory.Options();
   opt.inPreferredConfig = Bitmap.Config.RGB_565;
   opt.inPurgeable = true;
   opt.inInputShareable = true;
   // opt.inJustDecodeBounds = false;
   // opt.inSampleSize = 50;
   // 獲取資源圖片
   InputStream is =
       BaseApplication.getInstance().getApplicationContext().getResources().openRawResource(resId);
   return BitmapFactory.decodeStream(is, null, opt);
 }