Exam 14: Making an Android Widget

The AsyncTask class uses three generic types that we must specify when extending it. The class header of a subclass is as follows: AccessModifier ClassName extends AsyncTask< Params, Progress, Result> where Params, Progress, and Result are placeholders for actual __________________ names.

It is possible to style a widget with colors.

The minimum time between automatic updates for a widget is 30 minutes.

To create a widget, we define an AppWidgetProviderInfo object in an XML ____________ located in the res/xml directory.

It is possible to let the user customize a widget based on some user input.

A JSON string can include two data structures: an object and a(n) ____________.

App widgets, also known as widgets, are small apps that are embedded in other apps, called app widget hosts.

The JSONObject class, part of the org.json package, includes methods to parse a __________________ string.

It is possible to test a widget inside the emulator.

The AsyncTask class, from the android.os package, allows us to perform a task in the ____________.

What package contains classes that enable us to create and manage widgets?

What method of the RemoteViews class is the equivalent of the setTextColor method of the TextView class?

The AppWidgetProviderInfo includes two constants that correspond to the Home screen and Lock screen widget categories.

What is another name for the Lock screen?

The URL class encapsulates a URL.

What method of the AppWidgetProvider class is called when the widget first runs and when the widget is updated?

The openConnection method of the URL class returns a(n) ____________ reference.

What method of the RemoteViews class is the equivalent of the setText method of the TextView class?

What attribute, included in the XML file defining the AppWidgetProviderInfo for the widget, specifies the XML layout resource of the widget?

What is the name of the class that describes the metadata in a widget provider, such as icon and minimum width and height?