Learning Android™ Application Programming: A Hands-On Guide to Building Android Applications

Checking Whether You Can Take a Photograph

For the On Your Bike app, taking photos is a nice feature, but it isn’t essential. You can just check whether the device has a camera and provide a default app to handle taking photographs. Follow these steps.

1. Create a new Java class named Camera in the com.androiddevbook.onyourbike.chapter8.helpers package. In the constructor, change the function to accept a single parameter of type Activity, and log that it has been called (see Listing 8.4).

Listing 8.4 Creating the Camera Java Class

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public class Camera {    public Camera(Activity activity) {        CLASS_NAME = getClass().getName();    }}

2. As you have done before, you will use the CLASS_NAME static string to store ...