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POProblem with crash with ItemizedOverlay
 

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  1. POProblem with crash with ItemizedOverlay
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    <p>I have been trying for hours to figure out why I can not use an Itemized Map overlay without doing this before adding it to the ovelays of the map:</p> <p><code>GeoPoint point; OverlayItem overlayitem = new OverlayItem(point, "",""); MarkerOverlay.addOverlay(overlayitem);</code></p> <p>If i try to do this without the <code>MarkerOverlay.addOverlay(overlayitem);</code> command then when i try to add a new overLay like so: </p> <pre><code>public boolean onTap(GeoPoint point, MapView mapView) { if (mOverlays.size() &gt; 0) mOverlays.remove(0); OverlayItem overlayitem = new OverlayItem(point, "", ""); mOverlays.add(overlay); populate(); return true; } </code></pre> <p>Inside my ItemizedOverlay class then i Just get a null reference exeption (I have no idea when or why - It says its no source code available when in debug)</p> <p>Any Ideas?</p> <p>EDIT: This is what I can find in the logcat :</p> <pre><code>09-20 22:36:22.164: WARN/dalvikvm(311): threadid=3: thread exiting with uncaught exception (group=0x4001b188) </code></pre> <p>and this is what I believe to be the infamous exception:</p> <pre><code> 09-20 22:36:22.293: ERROR/AndroidRuntime(311): java.lang.NullPointerException 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.ItemizedOverlay.getItemsAtLocation(ItemizedOverlay.java:617) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.ItemizedOverlay.getItemAtLocation(ItemizedOverlay.java:586) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.ItemizedOverlay.handleMotionEvent(ItemizedOverlay.java:498) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.ItemizedOverlay.onTouchEvent(ItemizedOverlay.java:572) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.OverlayBundle.onTouchEvent(OverlayBundle.java:63) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.google.android.maps.MapView.onTouchEvent(MapView.java:625) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.View.dispatchTouchEvent(View.java:3709) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:852) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:822) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:822) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:822) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.os.Handler.dispatchMessage(Handler.java:99) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.os.Looper.loop(Looper.java:123) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at android.app.ActivityThread.main(ActivityThread.java:4363) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at java.lang.reflect.Method.invokeNative(Native Method) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at java.lang.reflect.Method.invoke(Method.java:521) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 09-20 22:36:22.293: ERROR/AndroidRuntime(311): at dalvik.system.NativeStart.main(Native Method) 09-20 22:36:22.394: ERROR/dalvikvm(311): Unable to open stack trace file '/data/anr/traces.txt': Permission denied </code></pre>
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