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Can Android provides Hardware level access?

deep kole
Greenhorn

Joined: Mar 02, 2009
Posts: 1
Hi Mark

Want to know is Android provide hardware level access like SMS Inbox handling,Incoming call handling etc.


Thanks in advance
Neerhaj Joshi
Greenhorn

Joined: Mar 02, 2009
Posts: 9
SMS handling yes, incoming call handling no, but Android does provide hardware-level access to Camera, Sensor etc.
Ko Ko Naing
Ranch Hand

Joined: Jun 08, 2002
Posts: 3178
As far as I look through the book's sample pages, it seems like Android supports certain types if hardware-level access through Permissions. Let's wait Mark for more elaborate explanation on this.


Co-author of SCMAD Exam Guide, Author of JMADPlus
SCJP1.2, CCNA, SCWCD1.4, SCBCD1.3, SCMAD1.0, SCJA1.0, SCJP6.0
Mark L. Murphy
Author
Ranch Hand

Joined: Feb 11, 2009
Posts: 131
Want to know is Android provide hardware level access like SMS Inbox handling,Incoming call handling etc.


Considering how short it is, that is a remarkably complicated question.

There are two levels of Android development: firmware development and SDK development.

Firmware development is building the software that makes up the Android OS and is installed on devices. Firmware development is done in a mix of C and Java, and you have complete access to the hardware. However, you can only deploy firmware as firmware -- you cannot, for example, sell firmware via the Android Market.

The Android SDK provides a filtering mechanism for hardware access, in the interests of security, API stability, ease of use, and available engineering time. Applications written to the SDK can be widely deployed on existing Android devices but have limited access to hardware. Generally, these limits are in the form of events (e.g., being informed when a call comes in) and occasionally system services (e.g., telling the camera to take a picture).


Mark Murphy (a Commons Guy)
Author of The Busy Coder's Guide to Android Development http://commonsware.com/Android/
 
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