topic No MapView.removeOnTouchListener? Causes memory leak. in ArcGIS Runtime SDK for Android Questions https://community.esri.com/t5/arcgis-runtime-sdk-for-android-questions/no-mapview-removeontouchlistener-causes-memory/m-p/757051#M5338 <HTML><HEAD></HEAD><BODY><P>How are we supposed to remove the onTouchListener when our Activity gets destroyed?</P><P></P><P>There is a setOnTouchlistener but no remove.</P><P></P><P>Setting it to null won't work - you will throw an exception.</P><P></P><P>This is important because you are holding on to the reference and our activity can't be garbage collected, causing a huge memory leak.</P><P></P><P>We have used removeListeners for Scale and NavigationChanged.</P><P></P><P>The only thing I can think of now is to create a DummyonTouchListener that does nothing, and set it in onDestroy.</P><P></P><P>Nathan</P></BODY></HTML> Mon, 12 Nov 2018 15:29:49 GMT NathanMellor 2018-11-12T15:29:49Z No MapView.removeOnTouchListener? Causes memory leak. https://community.esri.com/t5/arcgis-runtime-sdk-for-android-questions/no-mapview-removeontouchlistener-causes-memory/m-p/757051#M5338 <HTML><HEAD></HEAD><BODY><P>How are we supposed to remove the onTouchListener when our Activity gets destroyed?</P><P></P><P>There is a setOnTouchlistener but no remove.</P><P></P><P>Setting it to null won't work - you will throw an exception.</P><P></P><P>This is important because you are holding on to the reference and our activity can't be garbage collected, causing a huge memory leak.</P><P></P><P>We have used removeListeners for Scale and NavigationChanged.</P><P></P><P>The only thing I can think of now is to create a DummyonTouchListener that does nothing, and set it in onDestroy.</P><P></P><P>Nathan</P></BODY></HTML> Mon, 12 Nov 2018 15:29:49 GMT https://community.esri.com/t5/arcgis-runtime-sdk-for-android-questions/no-mapview-removeontouchlistener-causes-memory/m-p/757051#M5338 NathanMellor 2018-11-12T15:29:49Z