Changes

}

</pre>

The completed class contains private data members for the internal storage of data columns from database entries and a set of methods to get and set those values.

}

</pre>

The onUpgrade() method is called when the handler is invoked with a greater database version number from the one previously used. The exact steps to be performed in this instance will be application specific, so for the purposes of this example we will simply remove the old database and create a new one:

}

</pre>

=== The Delete Handler Method ===

android:onClick="removeProduct" />

</pre>

Load the DatabaseActivity.java source file into the editor and implement the code to identify the views in the user interface and to implement the three “onClick” target methods: