enable onTouchEvent for ViewGroups and add some stubs

src/api-impl-jni/views/android_view_View.c

@@ -105,7 +105,7 @@ void _setOnTouchListener(JNIEnv *env, jobject this, GtkWidget *widget, jobject o
 		gtk_widget_remove_controller(widget, old_controller);
 
 	GtkEventController *controller = GTK_EVENT_CONTROLLER(gtk_event_controller_legacy_new());
-	gtk_event_controller_set_propagation_phase(controller, GTK_PHASE_CAPTURE); // FIXME?
+	gtk_event_controller_set_propagation_phase(controller, GTK_PHASE_BUBBLE);
 
 	g_signal_connect(controller, "event", G_CALLBACK(on_event), callback_data);
 	gtk_widget_add_controller(widget, controller);

src/api-impl-jni/views/android_view_ViewGroup.c

@@ -89,6 +89,7 @@ JNIEXPORT jlong JNICALL Java_android_view_ViewGroup_native_1constructor(JNIEnv *
 	GtkWidget *wrapper = g_object_ref(wrapper_widget_new());
 	GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 1); // spacing of 1
 	wrapper_widget_set_child(WRAPPER_WIDGET(wrapper), box);
+	wrapper_widget_set_jobject(WRAPPER_WIDGET(wrapper), env, this);
 
 	const char *name = _CSTRING((*env)->CallObjectMethod(env, _CLASS(this),
 			_METHOD((*env)->FindClass(env, "java/lang/Class"), "getName", "()Ljava/lang/String;")));

src/api-impl/android/view/MotionEvent.java

@@ -1991,7 +1991,7 @@ public final class MotionEvent extends InputEvent {
 	 * that pointer identifier.
 	 */
 	public final int findPointerIndex(int pointerId) {
-		return nativeFindPointerIndex(mNativePtr, pointerId);
+		return 0 /*nativeFindPointerIndex(mNativePtr, pointerId)*/;
 	}
 
 	/**

src/api-impl/android/view/VelocityTracker.java

@@ -9,4 +9,11 @@ public class VelocityTracker {
 	public void addMovement(MotionEvent event) {}
 
 	public void recycle() {}
+
+	public void computeCurrentVelocity(int units, float maxVelocity) {}
+
+	public float getXVelocity(int id) {return 0.f;}
+	public float getYVelocity(int id) {return 0.f;}
+
+	public void clear() {}
 }

src/api-impl/android/view/View.java

@@ -1520,4 +1520,6 @@ public class View extends Object {
 	}
 
 	public void setLayerType(int layerType, Paint paint) {}
+
+	public float getZ() {return 0.f;}
 }

src/api-impl/android/view/ViewGroup.java

@@ -302,6 +302,13 @@ public class ViewGroup extends View implements ViewParent, ViewManager {
 		}
 	}
 
+	protected boolean isChildrenDrawingOrderEnabled() { return false; }
+
+	@Override
+	public boolean onStartNestedScroll(View child, View target, int nestedScrollAxes) {
+		return false;
+	}
+
 	public static class LayoutParams {
 		public static final int FILL_PARENT = -1;
 		public static final int MATCH_PARENT = -1;

src/api-impl/android/view/ViewParent.java

@@ -6,4 +6,6 @@ public interface ViewParent {
 	public boolean isLayoutRequested();
 
 	public void requestDisallowInterceptTouchEvent(boolean disallowIntercept);
+
+	public abstract boolean onStartNestedScroll(View child, View target, int nestedScrollAxes);
 }

src/api-impl/android/widget/EdgeEffect.java

@@ -18,5 +18,6 @@ public class EdgeEffect extends View {
 	public void onPull(float deltaDistance) {}
 	public void onPull(float deltaDistance, float displacement) {}
 	public boolean isFinished() {return true;}
+	public void onRelease() {}
 
 }

src/api-impl/android/widget/OverScroller.java

@@ -22,4 +22,6 @@ public class OverScroller {
 
 	public int getFinalX() {return 0;}
 	public int getFinalY() {return 0;}
+
+	public boolean isFinished() {return true;}
 }