when shutting down, the MainView is now destroyed last, to prevent crashes; also destroyed on start, just in case

app/src/main/java/io/github/sspanak/tt9/ime/MainViewHandler.java

@@ -57,7 +57,7 @@ abstract public class MainViewHandler extends HotkeyHandler {
 			orientationListener = null;
 		}
 		if (mainView != null) {
-			mainView.destroy();
+			mainView.stopListeners();
 		}
 	}
 

app/src/main/java/io/github/sspanak/tt9/ime/TraditionalT9.java

@@ -217,6 +217,9 @@ public class TraditionalT9 extends MainViewHandler {
 		requestHideSelf(0);
 		cleanUp();
 		stopSelf();
+		if (mainView != null) {
+			mainView.destroy();
+		}
 		isDead = true;
 	}
 
@@ -238,6 +241,9 @@ public class TraditionalT9 extends MainViewHandler {
 			isDead = true;
 		}
 		super.onDestroy();
+		if (mainView != null) { // this run last because the MainView is used in super.onDestroy()
+			mainView.destroy();
+		}
 		Logger.d(LOG_TAG, "===> Shutdown completed");
 	}
 

app/src/main/java/io/github/sspanak/tt9/ime/UiHandler.java

@@ -22,6 +22,8 @@ abstract class UiHandler extends AbstractHandler {
 		if (mainView == null) {
 			mainView = new ResizableMainView(getFinalContext());
 			initTray();
+		} else {
+			mainView.destroy();
 		}
 	}
 

app/src/main/java/io/github/sspanak/tt9/ui/main/ResizableMainView.java

@@ -52,11 +52,16 @@ public class ResizableMainView extends MainView implements View.OnAttachStateCha
 	}
 
 
-	@Override
+	public void stopListeners() {
-	public void destroy() {
 		if (main != null && main.getView() != null) {
 			main.getView().removeOnAttachStateChangeListener(this);
 		}
+	}
+
+
+	@Override
+	public void destroy() {
+		stopListeners();
 		super.destroy();
 	}