Using contacts (again)

by Lieuwe » Tue, 13 Jul 2010 19:33:14 GMT


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 Is it possible to create a generic android application that uses
contacts (though a contentResolver) that will run on all android
versions > 1.5 ?

I have backward compatibility issues where f.i. my HTC Hero which is
upgraded to Android 2.1 is not able to use the People.CONTENT_URI even
though this is meant to be deprecated - not unsupported!

If I include the new API style ContactsContract.Contacts.CONTENT_URI
(with or without a check on the Build.SDK_VERSION to alternatively
load the old style URI - similar to the Businesscard example -
 http://developer.android.com/resources/samples/BusinessCard/index.html )
I would still have to set up Eclipse to use the Android 2.1 libraries.
Would this application still run on an Android 1.5 device if I keep
the minsdkversion in the manifest at 3?

I would like to avoid having to branch my application, create 2
eclipse projects and release 2 different applications.

Any advice on this?

Lew

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Using contacts (again)

by ionel » Mon, 19 Jul 2010 15:45:32 GMT


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Does anybody know the proper format for declaring custom horizontal  
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        -Allan
--
Allan Hsu <allan at counterpop dot net>


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2. GridView: how to select, programmatically?

This is driving me up a wall...

I want to have a GridView, containing four icons, and I want the first 
icon to be pre-selected when the activity is opened. This wouldn't seem 
too tough, but I'm obviously blanking on how to make it work.

Some sample code:

http://pastie.org/286143

The layout is just a GridView in a LinearLayout. The four icons 
referenced in the Java are just some random icons. They all appear nice 
in a row...just none are selected.

I have grid.setSelection(0), but it does not seem to do anything.

I have tried various ways of augmenting the code, including:

-- calling grid.requestFocus() before grid.setSelection(0)
-- calling grid.invalidate() after grid.setSelection(0)
-- calling grid.requestLayout() after grid.setSelection(0)
-- delaying the grid.setSelection(0) via postDelayed() to ensure it gets 
called after onCreate() finishes
-- putting the grid.setSelection(0) in onResume(), which is NOT what I 
want, but I'm getting desperate

The GridView selection works fine...once somebody presses the D-pad to 
navigate the four icons. The selector (stock one from Android) shows up 
quite nicely. I just want the first icon to be pre-selected, so the UI 
is consistent -- there is *always* one icon highlighted. It is the only 
widget in the layout, so there should be no question of who has the focus.

What am I doing wrong?

Thanks in advance!

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 1.3 Published!

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