Now that you have a QuizActivity and a CheatActivity, you can think about passing data between them. The following diagram shows what data you will pass between the two activities.
Figure 5.10 The conversation between
The QuizActivity will inform the CheatActivity of the answer to the current question when the CheatActivity is started.
When the user presses the Back button to return to the QuizActivity, the CheatActivity will be destroyed. In its last gasp, it will send data to the QuizActivity about whether the user cheated.
You will start with passing data from QuizActivity to ...