[android-developers] How to get results from intent launched from preference screen?

Hi!
I need help in geting results back from intent launched from
preference screen

// Intent preference
DevicePref =
getPreferenceManager().createPreferenceScreen(this);

// Show a Screen with list of Devices Discovered
Intent i = new Intent(this,getDevice.class);
DevicePref.setIntent(i);
DevicePref.setTitle("Select Device");
DevicePref.setSummary(mSelectedDevice);
deviceOptionsCat.addPreference(DevicePref);

I want user to select device... In preference screeen I show "Select
Device" .. when user clicks that, another screen is launched by intent
where all devices are listed. User selects the device.

Now how do I know user selected which device? And I want to update
that in the summary.

Pls. let me know
Thanks

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