Hi, I'm kazumi_umayahara, an android developer.
 There are some problems that I can't solve alone, so I want to ask
here.

【About the process of app's activation】

 For example, firstly download the app "ABC", "Open" button and
"Uninstall" button
will be displayed at the bottom of the screen when the installing is
completed.
Secondly, activate "ABC" by tapping this "Open", and tap HOME key when
the app is
running. After that, restart the same app from the Launcher on the
Home screen,
and finish the restarted one from BACK key.
 Then, despite having closed the restarted one, the same app is
displayed. (I forecast
the cause, it is maybe the multiple activation of the app.)

Q1. Is it the problem as the specific of Android Market that multiple
activation
   occurs when the app is activated with above process?
   If it's no problem, is the cause the app "ABC" which I downloaded?
Q2. Is there any way to avoid the multiple activation in designing of
apps?


【About the copy protection of Android Market】

 Now I release an app to Android Market with setting copy protection
to "OFF". But I
want to update next version with setting copy protection to "ON". So,
I searched for
how to set the copy protection, I found information sites as follows;

・http://www.google.com/support/forum/p/Android%20Market/thread?
tid=77bbcfd915ba5bbb&hl=en
・http://code.google.com/p/android/issues/detail?id=2047http://markmail.org/message/ov55zt44izcsuggl#query:+page:
1+mid:qrn5zmxr27hvysp3+state:results
・http://groups.google.co.jp/group/android-developers/browse_thread/
thread/9b1a68aa25e4d711?pli=1

 Thanks to these sites, I understood, if copy protection has shifted
from "OFF"
to "ON", an app may crash when it is updated. And if has done the
opposite shifting
of this, also an app may crash.

Q3. Are these cases solved at present?
Q4. Is there any material about the copy protection of Android Market?


That's all my questions.
Thanks for reading. I'm waiting for lots of informations.

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