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POHow to setLayoutParams on dynamically added elements on Widget
 

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    <p>currently, i'm adding elements dynamically to my widget using the following:</p> <pre><code>RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_design); RemoteViews newView = new RemoteViews(context.getPackageName(), R.layout.widget_item); views.addView(R.id.view_container, newView); </code></pre> <p>but how can I dynamically add margins, weights, and other properties to the added elements?</p> <p>currently i have tried (using code I have found from different sites):</p> <pre><code>LinearLayout item = (LinearLayout) ((Activity) context).findViewById(R.id.widgetItem); MarginLayoutParams marginParams = new MarginLayoutParams(item.getLayoutParams()); marginParams.setMargins(10, 50, 4, 5); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(marginParams); item.setLayoutParams(layoutParams); </code></pre> <p>but this force-closes</p> <p>LogCat:</p> <blockquote> <p>09-10 22:01:55.283: ERROR/AndroidRuntime(30060): FATAL EXCEPTION: main 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): java.lang.RuntimeException: Unable to start receiver com.example.test.HomeWidget: java.lang.ClassCastException: android.app.ReceiverRestrictedContext 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2821) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.app.ActivityThread.access$3200(ActivityThread.java:125) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2083) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.os.Handler.dispatchMessage(Handler.java:99) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.os.Looper.loop(Looper.java:123) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at java.lang.reflect.Method.invokeNative(Native Method) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at java.lang.reflect.Method.invoke(Method.java:521) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at dalvik.system.NativeStart.main(Native Method) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): Caused by: java.lang.ClassCastException: android.app.ReceiverRestrictedContext 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at com.example.test.HomeWidget.onUpdate(HomeWidget.java:37) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.appwidget.AppWidgetProvider.onReceive(AppWidgetProvider.java:61) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2810) 09-10 22:01:55.283: ERROR/AndroidRuntime(30060): ... 10 more</p> </blockquote>
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    2. COerm, ERROR/AndroidRuntime(30060): Caused by: java.lang.ClassCastException: android.app.ReceiverRestrictedContext ?
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    3. COIt will be better if you copy here full stack trace, not just one line. After your app crashes copy the latest error (red lines) and add it to your question.
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