Question 1

Which one of these strings is the only valid JSON string?

Accepted Answer

A)  { "cities": ("New York", "Palo Alto", "Boston") } 
B)  { "cities": {"New York", "Palo Alto", "Boston"} } 
C)  [ "cities": {"New York", "Palo Alto", "Boston"} ] 
D)  { "cities": ["New York", "Palo Alto", "Boston"] }

Question 2

There are no restrictions regarding the use of Views and layout managers inside a widget.

Accepted Answer

A) True 
 B)False

Question 3

What attribute, included in the XML file defining the AppWidgetProviderInfo for the widget, specifies the frequency of updates of the widget?

Accepted Answer

A)  android:updatePeriodMillis 
B)  android:millis 
C)  android:update 
D)  android:periodic

Question 4

The execute method of the AsyncTask class accepts a variable number of arguments.

Accepted Answer

A) True 
 B)False

Question 5

The getJSONObject method of the JSONObject class has this API:
JSONObject getJSONObject( String name )
What does it return?

Accepted Answer

A)  The JSONObject calling that method 
B)  The JSONObject mapped to name if there is one 
C)  The string name 
D)  null

Question 6

To create a widget, we need to extend the ____________ class or the BroadcastReceiver class.

Accepted Answer

The answer of To create a widget, we need to...

Question 7

A RemoteViews reference can be obtained by inflating an XML resource.

Accepted Answer

A) True 
 B)False

Question 8

Widgets can receive periodic updates.

Accepted Answer

A) True 
 B)False

Question 9

The __________________ method of the AppWidgetManager sets the RemoteViews for a widget based on its id.

Accepted Answer

The answer of The __________________ method of the AppWidgetManager sets...

Question 10

If we allow the user to configure the widget, we need to add to the app-provider element an android:configure attribute in the widget configuration XML file.

Accepted Answer

A) True 
 B)False

Question 11

What method of the AppWidgetProvider class is called when the last widget of a type of widget is deleted from the host screen?

Accepted Answer

A)  onDone 
B)  onDisabled 
C)  onUninstalled 
D)  onDestroyed

Question 12

What static method of the PendingIntent class can we use to create a PendingIntent?

Accepted Answer

A)  createIntent 
B)  createPendingIntent 
C)  makePendingIntent 
D)  getBroadcast

Question 13

The getInputStream method from the URLConnection class returns an InputStream.

Accepted Answer

A) True 
 B)False

Question 14

The Home screen and the ____________ screen are examples of app widget hosts.

Accepted Answer

The answer of The Home screen and the ____________ screen...

Question 15

What method of the AsyncTask class is automatically called after doInBackground finishes?

Accepted Answer

A)  run 
B)  execute 
C)  onPostExecute 
D)  finish

Exam 14: Making an Android Widget

Which one of these strings is the only valid JSON string?

There are no restrictions regarding the use of Views and layout managers inside a widget.

What attribute, included in the XML file defining the AppWidgetProviderInfo for the widget, specifies the frequency of updates of the widget?

The execute method of the AsyncTask class accepts a variable number of arguments.

The getJSONObject method of the JSONObject class has this API: JSONObject getJSONObject( String name ) What does it return?

To create a widget, we need to extend the ____________ class or the BroadcastReceiver class.

A RemoteViews reference can be obtained by inflating an XML resource.

Widgets can receive periodic updates.

The __________________ method of the AppWidgetManager sets the RemoteViews for a widget based on its id.

If we allow the user to configure the widget, we need to add to the app-provider element an android:configure attribute in the widget configuration XML file.

What method of the AppWidgetProvider class is called when the last widget of a type of widget is deleted from the host screen?

What static method of the PendingIntent class can we use to create a PendingIntent?

The getInputStream method from the URLConnection class returns an InputStream.

The Home screen and the ____________ screen are examples of app widget hosts.

What method of the AsyncTask class is automatically called after doInBackground finishes?