Retrieving Data from the Provider 数据查询操作通常需要在一个非UI的线程异步执行,可以参考Loadersguide。 从一个provider中查询数据,通常需要两步: 1.获取这个provider的读权限; 2.定义好向这个provider查询语句。 官方Guides里写了例子,还讲了防SQL注入等相关的考虑。 /** This defines a one-element String arr...
Data Access Objects (DAOs). This is probably the most important abstraction layer where interaction with the db happens. Instead of directly executing SQL queries, DAOs provide an interface for inserting, updating and retrieving data from the database. ...
Now we have a database with records in it, we need to retrieve that data and display it. Just a before we use and SQL query to retrieve the data from the database but in this case we use the revDataFromQuery function as we want it to return data from the database so we can disp...
Data model Graphical representation Binding data model and graphical representation The style sheet Developing with JViews Charts The process flow Basic steps for building a chart component Populating the chart Styling your chart. Adding interaction. Integrating your chart into an application. Creating a...
2. Create a two dimensional array directly and store the data in that. Creating an Array of Arrays The following example shows you how to create a two dimensional array that is constructed by inserting one dimensional array data into another array. You have to create an array for eac...
Data Types Public Data Types Customized Data Types Activity Type Constants Data Type Quality Control App Development Overview Getting Started Preparing the Development Environment Configuring App Information in AppGallery Connect Registering a HUAWEI ID and Applying for the Service Applying ...
Used for remote loopback control. By inserting the information used to enable/disable loopback to a loopback control OAMPDU, you can enable/disable loopback on a remote OAM entity. NOTE: Throughout this document, an Ethernet OAM-enabled port is ...
• The SIM card and its data can be easily damaged by scratches or bending, so be careful when handling, inserting or removing the card. • When installing the SIM card, always make sure that the phone is switched off before you remove the battery. Inserting the SIM Card 1. If ...
If XOFF has been sent and the device is waiting for XON, issue a clear line command to recover. [CSCdi56432] • Messages such as the following are printed to the console if data is received on a remotely switched permanent virtual circuit before the tunnel is established: %SYS-3-INVME...
the top of the screen is selected by the provider of the method of the present invention. A default background is provided with the default page50. The user inserts the desired text in the default design in substantially the same manner used for inserting text into customized profile pages50...