Display Compass on osmdroid MapView

To display compass on osmdroid MapView, simple call enableCompass() in onResume() and call disableCompass() in onPause().

Modify from last article "osmdroid MapView - to follow user location".

 @Override
 protected void onResume() {
  // TODO Auto-generated method stub
  super.onResume();
  myLocationOverlay.enableMyLocation();
  myLocationOverlay.enableCompass();
  myLocationOverlay.enableFollowLocation();
 } 

 @Override
 protected void onPause() {
  // TODO Auto-generated method stub
  super.onPause();
  myLocationOverlay.disableMyLocation();
  myLocationOverlay.disableCompass();
  myLocationOverlay.disableFollowLocation();
 }

It work as expected in Android 3 device, but fail in Android 4! The simplest solution is to specify target SDK version to API Level 11 in AndroidManifest.xml.

    <uses-sdk
        android:minSdkVersion="10"
        android:targetSdkVersion="11" />

Next:
- osmdroid MapView: set zoom level and add scale bar.

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