Force Close - Null Pointer Exception

[mattprecious]

java.lang.NullPointerException at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:71) at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:61) at com.mattprecious.locnotifier.RadiusOverlay.draw(RadiusOverlay.java:58) at com.google.android.maps.Overlay.draw(Overlay.java:179) at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:45) at com.google.android.maps.MapView.onDraw(MapView.java:494) at android.view.View.draw(View.java:6770) at android.view.ViewGroup.drawChild(ViewGroup.java:1783) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1510) at android.view.ViewGroup.drawChild(ViewGroup.java:1781) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1510) at android.view.ViewGroup.drawChild(ViewGroup.java:1781) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1510) at android.view.View.draw(View.java:6773) at android.widget.FrameLayout.draw(FrameLayout.java:352) at android.view.ViewGroup.drawChild(ViewGroup.java:1783) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1510) at android.view.ViewGroup.drawChild(ViewGroup.java:1781) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1510) at android.view.View.draw(View.java:6773) at android.widget.FrameLayout.draw(FrameLayout.java:352) at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1985) at android.view.ViewRoot.draw(ViewRoot.java:1418) at android.view.ViewRoot.performTraversals(ViewRoot.java:1174) at android.view.ViewRoot.handleMessage(ViewRoot.java:1738) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:143) at android.app.ActivityThread.main(ActivityThread.java:4717) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) at dalvik.system.NativeStart.main(Native Method)