fix: android ensure we cancel events correctly

Author: farfromrefug

plugin/platforms/android/java/com/nativescript/gesturehandler/PageLayout.java

@@ -30,6 +30,7 @@ public PageLayout(Context context) {
 
     private boolean mShouldIntercept = false;
     private boolean mPassingTouch = false;
+    private boolean mDispatchToOrchestra = true;
 
     public void setShouldIntercept(boolean value) {
         if (GestureHandler.debug) {
@@ -42,6 +43,13 @@ public void setPassingTouch(boolean value) {
         this.mPassingTouch = value;
     }
 
+    public void setDispatchToOrchestra(boolean value) {
+        if (GestureHandler.debug) {
+            Log.d("JS", "PageLayout setDispatchToOrchestra " + value);
+        }
+        this.mDispatchToOrchestra = value;
+    }
+
     public GestureHandlerRegistryImpl registry() {
         return this.mRegistry;
     }
@@ -98,7 +106,7 @@ public boolean dispatchTouchEventToOrchestrator(MotionEvent ev) {
     }
 
     public boolean dispatchTouchEvent(MotionEvent ev) {
-        if (this.dispatchTouchEventToOrchestrator(ev)) {
+        if (this.mDispatchToOrchestra && this.dispatchTouchEventToOrchestrator(ev)) {
             return true;
         }
         final boolean handled = super.dispatchTouchEvent(ev);

plugin/platforms/android/java/com/nativescript/gesturehandler/RootViewGestureHandler.java

@@ -35,7 +35,9 @@ protected void onCancel() {
         final long time = SystemClock.uptimeMillis();
         final MotionEvent event = MotionEvent.obtain(time, time, MotionEvent.ACTION_CANCEL, 0, 0, 0);
         event.setAction(MotionEvent.ACTION_CANCEL);
-        getView().onTouchEvent(event);
+        getView().setDispatchToOrchestra(false);
+        getView().dispatchTouchEvent(event);
+        getView().setDispatchToOrchestra(true);
     }
     // public boolean shouldRecognizeSimultaneously(GestureHandler handler) {
     //     return true;