a) EditText
.
b) GridLayout
.
c) Outline.
d) Bundle
.
e) TextWatcher
.
f) activity.
g) onCreate
.
h) R
.
i) R.drawable
.
j) R.string
.
k) findViewById
.
a) True.
b) False. Each component’s layout weight determines how it should be sized relative to other components.
c) False. Android apps don’t have a main
method.
d) False. An active (or running) activity is visible on the screen and “has the focus”—that is, it’s in the foreground.
e) False. A stopped activity is not visible on the screen and is likely to be killed by the system when its memory is needed.