Now that we are armed with all this knowledge about Android Intents, we can add another screen (Activity) to our Note To Self app.
We will first create a new Activity and see what effect that has on the
AndroidManifest.xml file. We will then create a layout for our Settings screen and add the Java code to switch from
MainActivity to the new one. We will, however, defer wiring up our settings screen with Java until we have learned how to save those settings to disk. We will do this later in this chapter and then come back to the settings screen to make the data persist.
First, let's create that new Activity.
This will be a screen where the user can turn on or off the sound effects ...