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POAndroid Widget: Show configuration activity before widget is added to the screen
 

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  1. POAndroid Widget: Show configuration activity before widget is added to the screen
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    <p>I have an Android Widget that uses web services to retrieve and display the data on the widget. The widget has a configuration activity that <code>extends PreferenceActivity</code>. The configuration activity starts up as soon as the widget is installed, which is the desired behavior for this widget.</p> <p>The problem is, whenever a widget is added to the home screen, the widget attempts to update iteself before the configuration activity is started/completed which may potentially lead to a long delay (several seconds). The configuration activity should occur before the widget attempts to update itself anytime a new widget is added.</p> <p>Here is the sequence of events that I'm seeing in LogCat when a widget is added:</p> <ol> <li>Widget.onRecive: action = APPWIDGET_ENABLED</li> <li>Widget.onEnabled</li> <li>Widget.onReceive: action = APPWIDGET_UPDATE</li> <li>Widget.onUpdate: Widget Service is started.</li> <li>WidgetService.onStartCommand: Potentially long running work which will delay the configuration activity from being immediately shown.</li> <li>WidgetConfiguration.onCreate</li> <li>Widget.onReceive: action = APPWIDGET_UPDATE</li> <li>Widget.onUpdate: Widget Service is started again</li> <li>WidgetService.onStartCommand: Potentially long running work is performed again.</li> </ol> <p>What's happening is that when a widget is added, the service will start up before the configuration view has been shown.</p> <p><strong>Manifest.xml</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="xxx.xxx.xxxwidget" android:versionCode="1" android:versionName="@string/app_version" &gt; &lt;uses-sdk android:minSdkVersion="8" /&gt; &lt;uses-permission android:name="android.permission.INTERNET" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt; &lt;application android:debuggable="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" &gt; &lt;receiver android:name="xxxWidget" &gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_UPDATE" /&gt; &lt;/intent-filter&gt; &lt;meta-data android:name="android.appwidget.provider" android:resource="@xml/widget_info" /&gt; &lt;/receiver&gt; &lt;activity android:name="xxxWidgetConfigure" &gt; &lt;intent-filter&gt; &lt;action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" /&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;service android:name="xxxWidgetService" /&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p><br /><br /> <strong>Question</strong><br /> Is there a way to force the configuration activity to be shown before the system attempts to add the widget to the home screen?</p>
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    1. COI had a imiliar problem. The call to the update() method, happens before the configuration activity is shown. I found no way to change this behaviour.
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