Android™ How to Program, Second Edition

DetailsFragment Instance Variables

Figure 8.43 shows the class’s instance variables. Line 34 declares variable listener which will refer to the object (MainActivity) that implements the DetailsFragmentListener interface. Variable rowID represents the current contact’s unique row ID in the database. The TextView instance variables (lines 37–43) are used to display the contact’s data on the screen.

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34   private DetailsFragmentListener listener;35 36   private long rowID = -1; // selected contact's rowID37   private TextView nameTextView; // displays contact's name38   private TextView phoneTextView; // displays contact's phone39   private TextView emailTextView; // displays contact's email40   private TextView streetTextView; ...