// 屏幕设置 public ScreenSettingInfo getScreenSettingInfo() { final DataProvider dataProvider = mDataProvider; Cursor cursor = dataProvider.queryScreenSetting(); if (null != cursor) { try { ScreenSettingInfo info = new ScreenSettingInfo(); boolean bOk = info.parseFromCursor(cursor); if (bOk) { return info; } } catch (SQLiteException e) { e.printStackTrace(); } finally { cursor.close(); } } return null; }