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PODelay by Activity pause timeout for ActivityRecord when starting new activity
 

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  1. PODelay by Activity pause timeout for ActivityRecord when starting new activity
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    <p>Whenever I start a new activity (even a plain, empty one) inside my app, I see a relatively large delay (1 to 2 seconds). Checking LogCat I see this:</p> <pre><code>// This is a transition from CurrentActivity to NewActivity 03-01 14:59:00.195: I/ActivityManager(515): START {act=android.intent.action.GET_CONTENT ...} from pid 9382 03-01 14:59:00.242: D/NewActivity(9382): Intent started 03-01 14:59:00.242: D/CurrentActivity(9382): Activity.onPause 03-01 14:59:00.359: D/dalvikvm(515): GC_CONCURRENT freed 824K, 20% free 10419K/12871K, paused 2ms+12ms 03-01 14:59:00.476: I/cat(416): &lt;4&gt;[22335.131317] CPU1: Booted secondary processor 03-01 14:59:00.476: I/cat(416): &lt;6&gt;[22335.138885] Switched to NOHz mode on CPU #1 03-01 14:59:00.742: W/ActivityManager(515): Activity pause timeout for ActivityRecord{4131c158 CURRENT-ACTIVITY} 03-01 14:59:01.179: D/dalvikvm(9382): GC_CONCURRENT freed 1562K, 68% free 10961K/33415K, paused 2ms+6ms 03-01 14:59:01.937: D/NewActivity(9382): NewActivity.onCreate </code></pre> <p>Note that everything works OK, no crashes, just this weird delay. If I put the code from the activity in a <code>DialogFragment</code> and show the dialog, it is virtually instant. Only when the code runs in a separate Activity there's this delay. The code running inside the <code>CurrentActivity.onPause</code> is minimal and not resposible for the delay.</p> <p>Addition: the above is when running under android <code>API14</code>. Android 2.2 (API) on a different device shows the same delay but with a slightly different <code>LogCat</code>:</p> <pre><code>I/ActivityManager(2473): Starting activity: Intent { act=android.intent.action.GET_CONTENT cmp=NewActivity } 03-01 15:08:06.537: D/Editor(4591): Activity.onSaveInstanceState 03-01 15:08:06.537: D/Editor(4591): Activity.onPause 03-01 15:08:06.595: V/InputDevice(2473): ID[0]=0(0) Up(1=&gt;0) 03-01 15:08:07.033: W/ActivityManager(2473): Activity pause timeout for HistoryRecord{CurrentActivity} 03-01 15:08:07.873: D/dalvikvm(4591): GC_FOR_MALLOC freed 5867 objects / 421464 bytes in 33ms 03-01 15:08:08.720: D/NewActivity(4591): NewActivity.onCreate </code></pre> <p>This is how I create and start the NewActivity: Intent intent = new Intent(this, ImagePickerActivity.class); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(intent, ACTIVITY_RESULT_ADD_IMAGE);</p> <p>The CurrentActivity is too large to post.</p> <p>Any idea what is causing this and how to prevent it?</p> <p>Thanks in advance,</p>
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    1. COHi, can you show the code of the activity? Bestregards
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    2. COSorry, much too large + spread over three descendant classes. But I have commented out anything that could cause a delay + measured (profiled) all my own code that is related to the activity life cycle.
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    3. COHi, "Intent.ACTION_GET_CONTENT Display the list of people's phone numbers, allowing the user to browse through them and pick one and return it to the parent activity." maybe to get this list makes the delay in your application. You can see this information here: http://developer.android.com/reference/android/content/Intent.html pd: this is just what I think, but the delay can occur for another reason. Review your onCreate method and be sure nothing else is consuming resources. BestRegards
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