I was trying to set a progress bar to View.INVISIBLE or View.GONE, or
View.VISIBLE inside an AppWidgetProvider. However, it doesn't seem to
want to do it. Setting visibility works fine with TextView fields or
ImageView fields or ImageButtons. However, ProgressBar doesn't seem to
work. It doesn't make sense that just the progress bar type isn't
supported for controlling visibility. Has anyone else seen this
problem?
The code:
@Override
public void onUpdate(Context context, AppWidgetManager
appWidgetManager, int[] appWidgetIds) {
RemoteViews updateViews = new RemoteViews(context.getPackageName(),
R.layout.a_widget_home_screen);
updateViews.setViewVisibility(R.id.progress_bar,
View.VISIBLE);
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android";
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ProgressBar android:id="@+id/progress_bar"
android:layout_height="32px"
android:layout_width="32px"
android:indeterminate="true"
android:layout_marginLeft="110px"
android:layout_marginTop="120px"
android:visibility="gone"
/>
</RelativeLayout>
This is the error:
08-07 17:42:42.633: WARN/AppWidgetHostView(102): updateAppWidget
couldn't find any view, using error view
08-07 17:42:42.633: WARN/AppWidgetHostView(102):
android.widget.RemoteViews$ActionException: view:
android.widget.ProgressBar can't use method with RemoteViews:
setVisibility(int)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.widget.RemoteViews$ReflectionAction.apply(RemoteViews.java:
443)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.widget.RemoteViews.performApply(RemoteViews.java:855)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.widget.RemoteViews.apply(RemoteViews.java:832)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.appwidget.AppWidgetHostView.updateAppWidget
(AppWidgetHostView.java:167)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.appwidget.AppWidgetHost.updateAppWidgetView(AppWidgetHost.java:
243)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.appwidget.AppWidgetHost$UpdateHandler.handleMessage
(AppWidgetHost.java:73)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.os.Handler.dispatchMessage(Handler.java:99)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.os.Looper.loop(Looper.java:123)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
android.app.ActivityThread.main(ActivityThread.java:3948)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
java.lang.reflect.Method.invokeNative(Native Method)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
java.lang.reflect.Method.invoke(Method.java:521)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:782)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
08-07 17:42:42.633: WARN/AppWidgetHostView(102): at
dalvik.system.NativeStart.main(Native Method)
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