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#894 - properly extend tap bounds for marker selection

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This commit is contained in:
Justin R. Miller
2015-09-07 11:29:06 -07:00
parent e8d415367e
commit 1fd0cedfd6
1 changed files with 14 additions and 9 deletions
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23
android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/MapView.java
View File

@@ -13,6 +13,7 @@ import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PointF;
import android.graphics.RectF;
import android.hardware.GeomagneticField;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
@@ -1045,20 +1046,24 @@ public class MapView extends FrameLayout implements LocationListener {
PointF tapPoint = new PointF(x, y);
float toleranceWidth = 60 * mScreenDensity;
float toleranceHeight = 80 * mScreenDensity;
float toleranceWidth = 40 * mScreenDensity;
float toleranceHeight = 60 * mScreenDensity;
PointF tr = new PointF(tapPoint.x + toleranceWidth / 2, tapPoint.y + 2 * toleranceHeight / 3);
PointF bl = new PointF(tapPoint.x - toleranceWidth / 2, tapPoint.y - 1 * toleranceHeight / 3);
RectF tapRect = new RectF(tapPoint.x - toleranceWidth / 2, tapPoint.y - 2 * toleranceHeight / 3,
tapPoint.x + toleranceWidth / 2, tapPoint.y + 1 * toleranceHeight / 3);
LatLng sw = fromScreenLocation(bl);
LatLng ne = fromScreenLocation(tr);
List<LatLng> corners = Arrays.asList(
fromScreenLocation(new PointF(tapRect.left, tapRect.bottom)),
fromScreenLocation(new PointF(tapRect.left, tapRect.top)),
fromScreenLocation(new PointF(tapRect.right, tapRect.top)),
fromScreenLocation(new PointF(tapRect.right, tapRect.bottom))
);
BoundingBox bbox = new BoundingBox(ne, sw);
BoundingBox tapBounds = BoundingBox.fromLatLngs(corners);
addPolyline(new PolylineOptions().add(sw, ne).color(Color.RED).width(5));
addPolyline(new PolylineOptions().addAll(corners).add(corners.get(0)).color(Color.RED).width(2));
List<Annotation> nearbyAnnotations = getAnnotationsInBounds(bbox);
List<Annotation> nearbyAnnotations = getAnnotationsInBounds(tapBounds);
long newSelectedAnnotationID = -1;