Your layout file is in m3 format. 
http://code.google.com/android/migrating/m3-to-m5/m5-api-changes.html

On Apr 6, 6:05 am, Jason Tai <[EMAIL PROTECTED]> wrote:
> Hi,
>
> Keep getting
>    "Unable to start
> activity...ComponentInfo{...}java.lang.NullPointerException"
> error.
>
> Tried couple of basic examples from web, same problem:
>
> Actual Code:
>
> public void onCreate(Bundle icicle)
> {
>         super.onCreate(icicle);
>
>         setContentView(R.layout.enter_device_name);
>
>         final Button button = (Button) findViewById(R.id.okButt);
>
>         //
> ***********************************************************************************
>         // If I remove the bottom statement, I can see the UI display; a
> textedit and a abutton.
>         // The line below causes the crash.
>         //
> ***********************************************************************************
>         button.setOnClickListener(
>                 new Button.OnClickListener()
>                 {
>                         public void onClick(View v)
>                         {
>                         }
>                 }
>         );
>
> }
>
> XML:
> <?xml version="1.0" encoding="utf-8"?>
> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/
> android" android:layout_width="fill_parent"
> android:layout_height="fill_parent"
> android:background="#FFFEE9"   android:padding="10px">
>
>     <TextView id="@+id/nameLab"
>               android:layout_width="fill_parent"
>               android:layout_height="wrap_content"
>               android:text="Type your name"/>
>
>     <EditText id="@+id/yourName"
>               android:layout_width="fill_parent"
>               android:layout_height="wrap_content"
>               android:layout_below="@id/nameLab"/>
>
>     <Button id="@+id/okButt"
>             android:layout_width="wrap_content"
>             android:layout_height="wrap_content"
>             android:layout_alignParentRight="true"
>             android:layout_marginLeft="10px"
>             android:text="OK"
>             android:layout_below="@id/yourName"/>
>
> </RelativeLayout>
>
> SDK: m5. Emulator using HVGA-P.
>
> Also tried to use a dialog box. Also crashes when I call
> setOnClickListener.
>
> BTW, the 'okButt' button always display on top of the 'yourName' edit
> box, isn't it suppose to be
> 'layout_below'? Other XML that I copied from some example exibit the
> same behavior. Any clue?
>
> Cheers...
>
> Jason Tai
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