Adding to-do items

The following image shows sample input for adding a new to-do item to the Today-Todo app:

Mock locations

You may have noticed that we chose to define two locations—home and work. Now, because we have high aspirations, we have ventured to build this app with the most deserving individual in mind, namely the President of the United States. So, that is why the home coordinates correspond to that of the White House, and the work coordinates correspond to that of Capitol Hill (Okay, bad example, we know. The President works in the Oval office in the west wing of the White House complex. But then, imagine how pointless our sample code would be if Work and Home had the same coordinates?). The Constants file with these values is shown in the following figure:

Mocking locations using FakeGPS app

Launch the FakeGPS app and search for the location White House as follows:

After you tap the Set location button, FakeGPS will proceed to simulate the location we set. Take note of the...