Android™ How to Program, Second Edition

4.5.10. deleteSearch Method

The event handler in Fig. 4.25 calls method deleteSearch (Figure 4.27) when the user long presses a search tag and selects Delete. Before deleting the search, the app displays an AlertDialog to confirm the delete operation. Lines 241–242 set the dialog’s title to a formatted String in which tag replaces the format specifier in the String resource R.string.confirmMessage ("Are you sure you want to delete the search \"%s\"?"). Lines 245–254 configure the dialog’s negative button to dismiss the dialog. The String resource R.string.cancel represents "Cancel". Lines 257–275 configure the dialog’s positive button to remove the search. The String resource R.string.delete represents "Delete". Line 263 removes the tag from ...