1(2 points). The Model is the middleman between the __________________ and the C
ID: 3736780 • Letter: 1
Question
1(2 points). The Model is the middleman between the __________________ and the Controller.
Answer:
2(3 points).By default an ArrayAdapter creates a view for each item in the array by calling ________ on each item and placing the result in a TextView.
Answer:
3 (3 points). In order to register a TextWatcher on a GUI component, we call the ____________ method.
Answer:
4 (3 points). You have created the private class BH. Inside the onCreate method of the current activity, a Button b has been created. What is the function of the next two lines?
BH bh = new BH( );
b.setOnClickListener( bh );
Answer:
5 (3 points). If button b is clicked, what is the output of the program?
private class ButtonHandler implements View.OnClickListener
{
public void onClick( View v )
{
if( b == v )
Log.w( "MA", "YES" );
else
Log.w( "MA", "NO" ):
}
}
Answer:
Explanation / Answer
1) View
2) toString()
3) onTextChanged()
4) A new object of class BH named bh is created.
And th object is passed to button as a listener through setOnClickListener() method.
5) A warn log is sent with tag, MA and message, YES.
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