android - How to show Indeterminate Progress bar when Refresh button is pressed in ActionBarSherlock? -


how show indeterminate progressbar when refresh button pressed in actionbarsherlock , again show refresh button when viewgroup on refreshed?

update 1: have answer here incomplete. placing bounty on question more developers can build answer can useful others in future.

how can show indeterminate progressbar looks 1 shown in image belowenter image description here

it seems actionbarsherlock doesn't provide specific method animate refresh menuitem.

what can (by using classic android api) use setactionview(int resid) method , give id of layout progressbar in it.

at beginning of refresh action call :

item.setactionview(r.layout.refresh_menuitem);

and when refresh action finished call : 

item.setactionview(null);

here sample of layout file refresh_menuitem.xml can have : 

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"               android:layout_width="wrap_content"               android:layout_height="wrap_content"               android:addstatesfromchildren="true"               android:focusable="true"               android:paddingleft="4dp"               android:paddingright="4dp"               android:gravity="center"               style="?attr/actionbuttonstyle">     <progressbar             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:focusable="true"             style="@android:style/widget.progressbar.small"/> </linearlayout>

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