Video: Eyes-Free Home: The Marvin Shell
1 Video: Eyes-Free Home: The Marvin Shell
Device Used: T-Mobile G1 from HTC
The Marvin shell pulls together available eyes-free applicationsto provide an integrated user experience. Note that talkingapplications can come from many sources, with project Eyes-Freebeing but one such source. For other exciting talkingapplications that use our open Text To Speech (TTS) APIs, seethe Android Marketplace, where you will find many useful toolsthat integrate seamlessly with Marvin.
when you install the Eyes-Free Shell, you can choose to makeMarvin your default home screen --- this means that pressingthe home button always brings up the Marvin shell. To return tothe default Android home screen, hold down the back button for3 seconds or more.Here is a brief description of the Marvin user interface.
1.1 Single Touch Access To Useful Tools
The Marvin shell uses the Stroke Dialerto provide single touch access to useful tools right from thehome screen. You can explore this interface by moving your finger around the screen --- as you move over the buttons,Marvin speaks the associated action. Lifting up the fingerexecutes the current action. As an example,the top row of the keypad, i.e., 1, 2, and 3provide status information.Stroking to 4 brings up your favorite short-cuts, and 6speaks your current location using geo-location informationobtained from Google Maps. Pressing 7 connects to your voice-mailbox, and pressing9 invokes Voice Search to obtain quick spokenanswers from Google e.g., current weather for your location.Finally, the applications that appear on the shortcuts screencan be customized by editing XML file
on your SD-Card --- as is apparent, this is a power-user feature:-)!
/sdcard/eyesfree/shortcuts.xml
2 Talking Mini-Applications For Single Touch Access
Here, we demonstrate some of the talking mini-applications thatcan be accessed from the Marvin screen.All of these mini-applications speak useful information withoutthe need for the user to do some form of context switch.
2.1 Device State
Available from 1 on the Marvin screen, this mini-applicationannounces useful information such as signal strength, andavailability of WiFi networks.
2.2 Date And Time
Available on 2 on the Marvin screen, this mini-application provides single-touch access to currentdate and time.
2.3 Battery State And Power
Pressing 3 on the Marvin screen speaks the current batterylevel and announces if the phone is presently being charged.
2.4 Knowing Your Location
Available as 6 from the Marvin home screen,this mini-application announces your present location based oninformation acquired via GPS and the cell network. It speaks yourcurrent heading using the built-in magnetic compass, looks up thecurrent location on Google Maps, and announces the location interms of a nearby address and street intersection.
Date: 2009-03-30 Mon
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