v3.0.0: added proper support for touches cancelled by system gestures

SPD-classes/src/main/java/com/watabou/noosa/Game.java

@@ -33,7 +33,6 @@ import com.watabou.glwrap.Blending;
 import com.watabou.glwrap.Vertexbuffer;
 import com.watabou.input.ControllerHandler;
 import com.watabou.input.InputHandler;
-import com.watabou.input.PointerEvent;
 import com.watabou.noosa.audio.Music;
 import com.watabou.noosa.audio.Sample;
 import com.watabou.utils.Callback;
@@ -146,10 +145,7 @@ public class Game implements ApplicationListener {
 		}
 	}
 
-	///justResumed is used for two purposes:
-	//firstly, to clear pointer events when the game is resumed,
-	// this helps with input errors caused by system gestures on iOS/Android
-	//secondly, as a bit of a hack to improve start time metrics on Android,
+	//justResumed is a bit of a hack to improve start time metrics on Android,
 	// as texture refreshing leads to slow warm starts. TODO would be nice to fix this properly
 	private boolean justResumed = true;
 
@@ -162,7 +158,6 @@ public class Game implements ApplicationListener {
 		}
 
 		if (justResumed){
-			PointerEvent.clearPointerEvents();
 			justResumed = false;
 			if (DeviceCompat.isAndroid()) return;
 		}
@@ -180,8 +175,6 @@ public class Game implements ApplicationListener {
 	
 	@Override
 	public void pause() {
-		PointerEvent.clearPointerEvents();
-		
 		if (scene != null) {
 			scene.onPause();
 		}

SPD-classes/src/main/java/com/watabou/noosa/PointerArea.java

@@ -81,7 +81,16 @@ public class PointerArea extends Visual implements Signal.Listener<PointerEvent>
 					curEvent = null;
 					onClick( event );
 				}
-				
+
+			//similar to up, but no click
+			} else if (event.type == PointerEvent.Type.CANCEL) {
+
+				onPointerUp( event );
+
+				if (curEvent == event) {
+					curEvent = null;
+				}
+
 			} else if (event.type == PointerEvent.Type.HOVER) {
 				if (event.handled && hovered){
 					hovered = false;
@@ -100,7 +109,8 @@ public class PointerArea extends Visual implements Signal.Listener<PointerEvent>
 			if (event == null && curEvent != null) {
 				onDrag(curEvent);
 
-			} else if (curEvent != null && event.type == PointerEvent.Type.UP) {
+			} else if (curEvent != null &&
+					(event.type == PointerEvent.Type.UP || event.type == PointerEvent.Type.CANCEL)) {
 				onPointerUp( event );
 				curEvent = null;