Calling close() on a Cursor that's backing a ListView

by Mark Murphy » Sat, 10 Apr 2010 01:27:07 GMT


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This is intentional. The Cursor is tied to the UI thread once you put it
in a CursorAdapter and attach that CursorAdapter to an AdapterView
(e.g., ListView).

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Mark Murphy (a Commons Guy)
 http://commonsware.com  |  http://twitter.com/commonsguy 

Android Training in NYC: 4-6 June 2010:  http://guruloft.com 

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> 

2. button background hangs, or disappears

hi,
I have a button that shows exactly as it should, until I have clicked
it, then it doesn's show it's background any more. The funny thing is
that all other buttons of the same style loose their backgrounds as
well. Sometimes the opposite happens: all backgrounds in my app get
the button background.

The style that defines the button is

        <style name="image_button">
                <item name="android:layout_width">wrap_content</item>
                <item name="android:layout_height">wrap_content</item>
                <item name="android:textColor">@color/button_text</item>
                <item name="android:textSize">16sp</item>
                <item name="android:paddingLeft">10dip</item>
                <item name="android:paddingRight">10dip</item>
                <item name="android:paddingTop">3dip</item>
                <item name="android:paddingBottom">3dip</item>
                <item name="android:gravity">center_vertical</item>
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The statelist "mybutton" is

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
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    <item android:state_enabled="true"
          android:state_pressed="true"
          android:drawable="@drawable/btn_pressed" />
    <item android:state_enabled="true"
          android:state_focused="true"
          android:state_pressed="false"
          android:drawable="@drawable/btn_selected" />
    <item android:state_enabled="true"
          android:state_focused="false"
          android:state_pressed="false"
          android:drawable="@drawable/btn_button" />
</selector>

I have tried extending the Button class and set the backgroundDrawable
from there, to no avail. How can my button make other similar buttons
in different activities disappear? How can my button background show
up in activities that don't have any buttons?

Help is appreciated :-)

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