Better gesture handling.

OsmAnd/src/net/osmand/plus/views/DoubleTapScaleDetector.java

@@ -101,8 +101,8 @@ private int convertPxToDp(int px) {
 	}
 
 	private final boolean isConsideredDoubleTap(MotionEvent firstDown,
-										  MotionEvent firstUp,
-										  MotionEvent secondDown) {
+												MotionEvent firstUp,
+												MotionEvent secondDown) {
 		if (firstDown == null || firstUp == null || secondDown == null) {
 			return false;
 		}
@@ -123,7 +123,7 @@ private final boolean isConsideredDoubleTap(MotionEvent firstDown,
 	}
 
 	private static final boolean isConfirmedScale(MotionEvent secondDown,
-										   MotionEvent moveEvent) {
+												  MotionEvent moveEvent) {
 		if (secondDown == null || moveEvent == null) {
 			return false;
 		}
@@ -139,12 +139,12 @@ public float getCenterY() {
 	}
 
 	public interface DoubleTapZoomListener {
-		public void onZoomStarted(PointF centerPoint);
+		void onZoomStarted(PointF centerPoint);
 
-		public void onZooming(double relativeToStart);
+		void onZooming(double relativeToStart);
 
-		public void onZoomEnded(double relativeToStart);
+		void onZoomEnded(double relativeToStart);
 
-		public void onGestureInit(float x1, float y1, float x2, float y2);
+		void onGestureInit(float x1, float y1, float x2, float y2);
 	}
 }

OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java

@@ -830,16 +830,12 @@ public boolean onTouchEvent(MotionEvent event) {
 			animatedDraggingThread.stopAnimating();
 		}
 		for (int i = layers.size() - 1; i >= 0; i--) {
-			if (layers.get(i).onTouchEvent(event, getCurrentRotatedTileBox())) {
-				return true;
-			}
+			layers.get(i).onTouchEvent(event, getCurrentRotatedTileBox());
 		}
-		if (!multiTouchSupport.onTouchEvent(event)) {
-			/* return */
-			doubleTapScaleDetector.onTouchEvent(event);
-			if (!doubleTapScaleDetector.isInZoomMode()) {
-				gestureDetector.onTouchEvent(event);
-			}
+		final boolean isMultiTouch = multiTouchSupport.onTouchEvent(event);
+		doubleTapScaleDetector.onTouchEvent(event);
+		if (!isMultiTouch && !doubleTapScaleDetector.isInZoomMode()) {
+			gestureDetector.onTouchEvent(event);
 		}
 		return true;
 	}
@@ -1100,13 +1096,17 @@ public boolean onSingleTapConfirmed(MotionEvent e) {
 		@Override
 		public boolean onDoubleTap(MotionEvent e) {
 			LOG.debug("onDoubleTap getZoom()");
-			if (isZoomingAllowed(getZoom(), 1.1f)) {
-				final RotatedTileBox tb = getCurrentRotatedTileBox();
-				final double lat = tb.getLatFromPixel(e.getX(), e.getY());
-				final double lon = tb.getLonFromPixel(e.getX(), e.getY());
-				getAnimatedDraggingThread().startMoving(lat, lon, getZoom() + 1, true);
+			if (!doubleTapScaleDetector.isInZoomMode()) {
+				if (isZoomingAllowed(getZoom(), 1.1f)) {
+					final RotatedTileBox tb = getCurrentRotatedTileBox();
+					final double lat = tb.getLatFromPixel(e.getX(), e.getY());
+					final double lon = tb.getLonFromPixel(e.getX(), e.getY());
+					getAnimatedDraggingThread().startMoving(lat, lon, getZoom() + 1, true);
+				}
+				return true;
+			} else {
+				return false;
 			}
-			return true;
 		}
 	}
 

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:2.1.2'
     }
 }