Allan Valeriano wrote: > Hi, > > I'm trying to create a radio button group using the resources and > recover it on my Activity code, but I'm receiving a NullPointerException > when I do that. > > Here is my xml code: > > <?xml version="1.0" encoding="UTF-8"?> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"; > android:orientation="vertical" android:layout_width="fill_parent" > android:layout_height="fill_parent"> > > <LinearLayout android:orientation="vertical" > android:layout_width="fill_parent" > android:layout_height="wrap_content" > android:layout_marginTop="10px"> > > <TextView android:layout_width="wrap_content" > android:layout_height="wrap_content" android:text="Share > this log:" /> > <RadioGroup androidid="@+id/shareOptionGroup" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > xmlns:android="http://schemas.android.com/apk/res/android"; > android:orientation="horizontal"> > > <RadioButton androidid="@+id/realTimeButton" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:text="Real Time" android:checked="false" > android:layout_gravity="left" android:layout_weight="0"> > </RadioButton> > <RadioButton androidid="@+id/afterSaveButton" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:text="After Saving" android:checked="false" > android:layout_gravity="left" android:layout_weight="0"> > </RadioButton> > <RadioButton androidid="@+id/otherButton" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:text="Do not share" android:checked="false" > android:layout_weight="0" android:layout_gravity="left"> > </RadioButton> > </RadioGroup> > > </LinearLayout> > </LinearLayout> > > > > And I recover it using: > > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.config_xml); > group = Groupthis.findViewById(R.id.shareOptionGroup); > group.setOnCheckedChangeListener(this); > } > > > > when I run it, I receive a NullPointerException on > /group.setOnCheckedChangeListener(this)/; > Does anybody knows whys is it happening?
If the code you have pasted here is exactly what you have, your problem may be: <RadioGroup androidid="@+id/shareOptionGroup" You are missing a colon between android and id. -- Mark Murphy (a Commons Guy) http://commonsware.com Android Training on the Ranch! -- Mar 16-20, 2009 http://www.bignerdranch.com/schedule.shtml --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
