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    <p>I am making some progress here that might be useful to some of you reading this question. 1. I have now moved my populate method out from my add method and wrapped it in public method so that I can call this only once after I have populated the entire array of OverlayItems. Also I tried running the app without the debugger ie just running the app on the phone and it works smoothly then. This is not the only time that I have noticed the debugger slowing things down by a factor of 10-20 or more. I had similar problems in the past where running in debug mode slows down some operations by extreme amounts of time.</p> <p>The new code looks like this:</p> <pre><code> private void addOverlaysToMapFromManagedInterestPoints() { this.mapOverlays = myMap.getOverlays(); GeoPoint point; OverlayItem overlayitem; for( managed_interest_point mip : managedObjectManager.interestPoints ) { if(mip==null) { Log.d("MainActivity","this should not happen!"); } TypeOfPoint type = getEnumForTypeOfPoint(mip.ZTYPEOFPOINT); if(type!=null) { switch (type) { case kAnimalHospital: point = new GeoPoint(degreesToMicrodegreesConversion(mip.ZLATITUDE),degreesToMicrodegreesConversion(mip.ZLONGITUDE)); overlayitem = new OverlayItem(point, mip.ZTITLE, mip.ZSUBTITLE); this.animalHospitalOverlay.addOverlay(overlayitem); Log.d("MainActivity","added animalHospital"); break; case kStore: point = new GeoPoint(degreesToMicrodegreesConversion(mip.ZLATITUDE),degreesToMicrodegreesConversion(mip.ZLONGITUDE)); overlayitem = new OverlayItem(point, mip.ZTITLE, mip.ZSUBTITLE); this.storesOverlay.addOverlay(overlayitem); Log.d("MainActivity","added Store point"); break; case kVeterinary: point = new GeoPoint(degreesToMicrodegreesConversion(mip.ZLATITUDE),degreesToMicrodegreesConversion(mip.ZLONGITUDE)); overlayitem = new OverlayItem(point, mip.ZTITLE, mip.ZSUBTITLE); this.veterinariesOverlay.addOverlay(overlayitem); Log.d("MainActivity","added veterinary point"); break; default: Log.d("MainActivity", "unknown enum"); break; }//end switch }//end if }//end foreach this.storesOverlay.callToPopulate(); this.veterinariesOverlay.callToPopulate(); this.animalHospitalOverlay.callToPopulate(); this.mapOverlays.add(this.storesOverlay); this.mapOverlays.add(this.veterinariesOverlay); this.mapOverlays.add(this.animalHospitalOverlay); Log.d("MainActivity","end of foreach in add overlays to map "); } public class AnnotationsOverlay extends ItemizedOverlay { private ArrayList&lt;OverlayItem&gt; mOverlays = new ArrayList&lt;OverlayItem&gt;(); Context mContext; public AnnotationsOverlay(Drawable defaultMarker) { super(boundCenterBottom(defaultMarker)); } public AnnotationsOverlay(Drawable defaultMarker,Context context) { super(boundCenterBottom(defaultMarker)); mContext=context; } @Override protected OverlayItem createItem(int i) { return mOverlays.get(i); } @Override public int size() { return mOverlays.size(); } //show calloutAssesory view tapped för oss iPhöne människor @Override protected boolean onTap(int index) { OverlayItem item = mOverlays.get(index); AlertDialog.Builder dialog = new AlertDialog.Builder(mContext); dialog.setTitle(item.getTitle()); dialog.setMessage(item.getSnippet()); dialog.show(); return true; } public void addOverlay(OverlayItem overlay) { mOverlays.add(overlay); //populate(); } public void callToPopulate() { populate(); } } </code></pre>
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    1. POIs Google maps on Android terribly slow or am i using it the wrong way?
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    1. CONice find... both on moving `populate()` out of `addOverlay()` AND how it runs much faster with the debugger disconnected! I read through 6-7 other related questions/answers on Stackoverflow and this is the first I have seen this suggestion!
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    2. COMy performance issues seemed to be related to the emulator as well. The app runs smoothly on the phone.
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