StackOverflow2013

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POSpinner dynamic error
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copied!<p>I have an error in my app for Android. I have a class <code>LineaArticulo</code> dynamics to form a line with labels, edit text, a button and spinner, to tighten the spinner I get an error, attached here the class constructor.</p> <p>All data is the correct.</p> <p>Here just put the spinner case.</p> <pre><code>public LineaArticulo(RelativeLayout layoutactual, final String[] Casos, Context context, int Xspinner, int Yspinner){ final Spinner spiner = new Spinner(context); ArrayAdapter<String> adaptador = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item, Casos); adaptador.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item); spiner.setAdapter(adaptador); RelativeLayout.LayoutParams paramSpiner = new RelativeLayout.LayoutParams( ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); paramSpiner.leftMargin = Xspinner; // Your X coordinate paramSpiner.topMargin = Yspinner; // Your Y coordinate spiner.setLayoutParams(paramSpiner); layoutactual.addView(spiner); } </code></pre> <p>Error: </p> <pre><code> 06-04 16:02:02.021 961-961/compra.online.mercavalencia E/AndroidRuntime: FATAL EXCEPTION: main android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application at android.view.ViewRoot.setView(ViewRoot.java:531) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) at android.app.Dialog.show(Dialog.java:241) at android.app.AlertDialog$Builder.show(AlertDialog.java:802) at android.widget.Spinner.performClick(Spinner.java:260) at android.view.View$PerformClick.run(View.java:9080) at android.os.Handler.handleCallback(Handler.java:587) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:3683) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:507) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) at dalvik.system.NativeStart.main(Native Method) </code></pre>

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