Didn't found any reliable source of the 1.6 claim during a quick search, but
you are completely right about the 30 minute rule.
2011/3/23 Kostya Vasilyev <kmans...@gmail.com>
> As of 1.6 (I believe) the updatePeriodMillis is forced to be at least 30
> minutes.
>
> -- Kostya
>
> 23.03.2011 19:07, Eduardo Yáñez Parareda пишет:
>
> Hello, I'm developing my first widget so I've following Google
>> tutorials, but I don't get it works as I expect, it only calls
>> onUpdate when the widget is installed, but it isn't called again...
>>
>> <code>
>> public class TestWidgetProvider extends AppWidgetProvider {
>> // Log tag
>> private static final String TAG = "TestWidgetProvider";
>>
>> public void onUpdate(Context context, AppWidgetManager
>> appWidgetManager, int[] widgetIds) {
>> Log.d(TAG, "onUpdate");
>> final int N = widgetIds.length;
>>
>> // Por cada widget asociado al provider
>> for (int i = 0; i< N; i++) {
>> int widgetId = widgetIds[i];
>> updateWidget(context, appWidgetManager, widgetId);
>> }
>> }
>>
>> static void updateWidget(Context context, AppWidgetManager
>> appWidgetManager, int widgetId) {
>> // Obtenemos las vistas del widget
>> RemoteViews views = new RemoteViews(context.getPackageName(),
>> R.layout.gpro_widget_layout);
>>
>> // Actualizamos el texto del widget
>> long time = System.currentTimeMillis();
>> String text = String.format("Hora: %d ms.", time);
>> views.setTextViewText(R.id.text, text);
>>
>> // Actualizar el widget
>> appWidgetManager.updateAppWidget(widgetId, views);
>> }
>> }
>> </code>
>>
>> XML config files:
>>
>> /AndroidManifest.xml
>>
>> <?xml version="1.0" encoding="utf-8"?>
>> <manifest xmlns:android="http://schemas.android.com/apk/res/android";
>> package="com.elpaso.android.gpro.widget" android:versionCode="1"
>> android:versionName="1.0">
>> <uses-sdk android:minSdkVersion="7" />
>> <uses-permission android:name="android.permission.INTERNET"></uses-
>> permission>
>>
>> <application android:icon="@drawable/icon" android:label="@string/
>> app_name">
>> <receiver android:name="TestWidgetProvider">
>> <intent-filter>
>> <action
>> android:name="android.appwidget.action.APPWIDGET_UPDATE" /
>> </intent-filter>
>> <meta-data
>> android:name="android.appwidget.provider"
>> android:resource="@xml/gpro_widget_provider_info" />
>> </receiver>
>> </application>
>> </manifest>
>>
>> XML provider config:
>>
>> xml/gpro_widget_provider.xml
>>
>> <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/
>> android"
>> android:minWidth="294dp"
>> android:minHeight="72dp"
>> android:updatePeriodMillis="5000"
>> android:initialLayout="@layout/gpro_widget_layout">
>> </appwidget-provider>
>>
>>
>
> --
> Kostya Vasilyev -- http://kmansoft.wordpress.com
>
>
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