Which of the following is the main class that is used to create components in ActionScript 3.0?
Answer(s): C
UlComponent is the main class that is used to create a custom component or a component in ActionScript 3.0. It is the base for all the components whether they are interactive or non-interactive component. Answer option D is incorrect. drawfocus() is a method of the UlComponent class. It shows or hides the focus indicator of the UlComponent. Answer option B is incorrect. The ComponentEvent class defines events that are associated with the UlComponent class. Answer option A is incorrect. The CustomActions class has no relation with components. It allows SWF to manage custom actions that are registered with the Flash authoring tools.
Which of the following statements are true about the flex controls? Each correct answer represents a complete solution. Choose two.
Answer(s): A,C
In the flex controls, formatter classes allow you to present various types of values with formatted strings, and formatter object can be declared with MXML or ActionScript. Answer option D is incorrect. You can use a formatter in a binding expression or by wrapping it in an Action Script static method. Answer option B is incorrect. Device or embedded fonts can be used to display text in Flex controls.
Which of the following code will you use to declare the XML object in MXML?
The <mx:XML> tag is used to declare an XML object by using nested XML markup. If you want to create an XMLNode object that can be managed with E4X expressions, set the format property of the tag either to xml or e4x. The following code declares the XML object with this MXML syntax:<mx:XML format=e4x" id=xmlData><student><stuname=John" id=123/><stuname=Maria" id=12/>
Which of the following classes will be used to track information about an object that is manipulated by the Data Management Service?
Answer(s): A
The AsyncToken class is used to track information about an object manipulated by the Data Management Service. It is also used to provide a place to set additional or token-level data for asynchronous RPC operations. Fact What is the AsyncToken class? The AsyncToken class is a dynamic object, which allows a developer to add arbitrary named properties to the object at runtime. Every request to an RPC component returns an instance of AsyncToken that remains in the application memory for the duration of the RPC request. The syntax of the AsyncToken class is as follows:var token:AsyncToken = contactService.sendQ;token.myPropl = "Any property value';Answer option C is incorrect. The AsyncResponder class is used to provide an RPC specific implementation of mx.rpc.IResponder. It allows the Developer to associate data (a token) and methods that should be called when a request is completed. Answer option B is incorrect. The AsyncRequest class is used to provide an abstraction of messaging for RPC call invocation and allows multiple requests to be made on a remote destination.
Which of the following text-based controls are used for displaying text and/or receiving text input from users? Each correct answer represents a complete solution. Choose all that apply.
Answer(s): D,F
The TextArea control is a multi-line text field that has a border and optional scroll bars. The features of the TextArea control are as follows:· It supports the HTML rendering capabilities of Flash Player and AIR. · It displays its contents in the color specified by the disabledColor style when the user disables the TextArea control.· It can also be set to read-only to prohibit text editing.· It hides input password text (****) when the user sets the TextArea's displayAsPassword property.The Textlnput control is a single-line text field that controls text formatting, validation, and keyboard equivalents. It has many states such as filled, selected, disabled, and error. The Textlnput control supports the HTML rendering capabilities of Flash Player and AIR. The Label control is a non-editable, single line text label. By using HTML tags, a user can arrange the text of Label to be applied after the CSS styles of the Label control. The user can also set padding around the four sides of the text. The text of the Label is nonselectable by default, but the user can make it selectable. The Label control does not have backgrounds or borders and cannot take focus. Answer options C, B, and A are incorrect. The TileList control displays a list of items present in the tiles. It shows a scroll bar on one of its axes to access all ite ms in the list, depending on the direction
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