Add geofence circle to place settings

app/src/googleplay/java/org/tasks/location/GoogleMapFragment.kt

@@ -12,7 +12,6 @@ import dagger.hilt.android.qualifiers.ApplicationContext
 import org.tasks.R
 import org.tasks.data.Place
 import org.tasks.location.MapFragment.MapFragmentCallback
-import java.util.*
 import javax.inject.Inject
 
 class GoogleMapFragment @Inject constructor(
@@ -22,6 +21,7 @@ class GoogleMapFragment @Inject constructor(
     private lateinit var callback: MapFragmentCallback
     private var dark = false
     private var map: GoogleMap? = null
+    private var circle: Circle? = null
 
     override fun init(activity: AppCompatActivity, callback: MapFragmentCallback, dark: Boolean) {
         this.callback = callback
@@ -75,6 +75,17 @@ class GoogleMapFragment @Inject constructor(
         map?.isMyLocationEnabled = true
     }
 
+    override fun showCircle(radius: Double, latitude: Double, longitude: Double) {
+        circle?.remove()
+        circle = map?.addCircle(
+            CircleOptions()
+                .radius(radius)
+                .center(LatLng(latitude, longitude))
+                .strokeColor(context.getColor(R.color.map_circle_stroke))
+                .fillColor(context.getColor(R.color.map_circle_fill))
+        )
+    }
+
     override fun onMapReady(googleMap: GoogleMap) {
         map = googleMap
         if (dark) {

app/src/main/java/org/tasks/activities/PlaceSettingsActivity.kt

@@ -25,7 +25,8 @@ import javax.inject.Inject
 import kotlin.math.roundToInt
 
 @AndroidEntryPoint
-class PlaceSettingsActivity : BaseListSettingsActivity(), MapFragment.MapFragmentCallback {
+class PlaceSettingsActivity : BaseListSettingsActivity(), MapFragment.MapFragmentCallback,
+    Slider.OnChangeListener {
 
     companion object {
         const val EXTRA_PLACE = "extra_place"
@@ -95,6 +96,7 @@ class PlaceSettingsActivity : BaseListSettingsActivity(), MapFragment.MapFragmen
             haloRadius = 0
             value = (place.radius / STEP * STEP).roundToInt().toFloat()
         }
+        slider.addOnChangeListener(this)
         it.root
     }
 
@@ -125,7 +127,7 @@ class PlaceSettingsActivity : BaseListSettingsActivity(), MapFragment.MapFragmen
     override val isNew: Boolean
         get() = false
 
-    override val toolbarTitle: String?
+    override val toolbarTitle: String
         get() = place.address ?: place.displayName
 
     override suspend fun delete() {
@@ -141,7 +143,27 @@ class PlaceSettingsActivity : BaseListSettingsActivity(), MapFragment.MapFragmen
         map.setMarkers(listOf(place))
         map.disableGestures()
         map.movePosition(place.mapPosition, false)
+        updateGeofenceCircle()
     }
 
     override fun onPlaceSelected(place: Place) {}
+    override fun onValueChange(slider: Slider, value: Float, fromUser: Boolean) {
+        updateGeofenceCircle()
+    }
+
+    private fun updateGeofenceCircle() {
+        val radius = slider.value.toDouble()
+        val zoom = when (radius) {
+            in 0f..300f -> 15f
+            in 300f..500f -> 14.5f
+            in 500f..700f -> 14.25f
+            in 700f..900f -> 14f
+            else -> 13.75f
+        }
+        map.showCircle(radius, place.latitude, place.longitude)
+        map.movePosition(
+            mapPosition = place.mapPosition.copy(zoom = zoom),
+            animate = true,
+        )
+    }
 }

app/src/main/java/org/tasks/location/MapFragment.kt

@@ -16,6 +16,8 @@ interface MapFragment {
 
     fun showMyLocation()
 
+    fun showCircle(radius: Double, latitude: Double, longitude: Double)
+
     fun onPause()
 
     fun onResume()

app/src/main/java/org/tasks/location/MapPosition.kt

@@ -3,23 +3,16 @@ package org.tasks.location
 import android.os.Parcel
 import android.os.Parcelable
 
-class MapPosition : Parcelable {
-    val latitude: Double
-    val longitude: Double
-    val zoom: Float
-
-    @JvmOverloads
-    constructor(latitude: Double, longitude: Double, zoom: Float = 15.0f) {
-        this.latitude = latitude
-        this.longitude = longitude
-        this.zoom = zoom
-    }
-
-    private constructor(parcel: Parcel) {
-        latitude = parcel.readDouble()
-        longitude = parcel.readDouble()
-        zoom = parcel.readFloat()
-    }
+data class MapPosition(
+    val latitude: Double,
+    val longitude: Double,
+    val zoom: Float = 15.0f,
+) : Parcelable {
+    private constructor(parcel: Parcel) : this(
+        latitude = parcel.readDouble(),
+        longitude = parcel.readDouble(),
+        zoom = parcel.readFloat(),
+    )
 
     override fun describeContents() = 0
 
@@ -29,26 +22,6 @@ class MapPosition : Parcelable {
         dest.writeFloat(zoom)
     }
 
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (other !is MapPosition) return false
-
-        if (latitude != other.latitude) return false
-        if (longitude != other.longitude) return false
-        if (zoom != other.zoom) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = latitude.hashCode()
-        result = 31 * result + longitude.hashCode()
-        result = 31 * result + zoom.hashCode()
-        return result
-    }
-
-    override fun toString() = "MapPosition(latitude=$latitude, longitude=$longitude, zoom=$zoom)"
-
     companion object {
         @JvmField val CREATOR: Parcelable.Creator<MapPosition> = object : Parcelable.Creator<MapPosition> {
             override fun createFromParcel(source: Parcel) = MapPosition(source)

app/src/main/java/org/tasks/location/OsmMapFragment.kt

@@ -14,6 +14,7 @@ import org.osmdroid.views.CustomZoomButtonsController
 import org.osmdroid.views.MapView
 import org.osmdroid.views.overlay.CopyrightOverlay
 import org.osmdroid.views.overlay.Marker
+import org.osmdroid.views.overlay.Polygon
 import org.osmdroid.views.overlay.TilesOverlay
 import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider
 import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay
@@ -28,6 +29,7 @@ class OsmMapFragment @Inject constructor(
     private lateinit var callback: MapFragmentCallback
     private lateinit var map: MapView
     private var locationOverlay: MyLocationNewOverlay? = null
+    private var circle: Polygon? = null
 
     override fun init(activity: AppCompatActivity, callback: MapFragmentCallback, dark: Boolean) {
         this.callback = callback
@@ -94,6 +96,17 @@ class OsmMapFragment @Inject constructor(
         map.overlays.add(locationOverlay)
     }
 
+    override fun showCircle(radius: Double, latitude: Double, longitude: Double) {
+        circle?.let { map.overlays.remove(it) }
+        circle = Polygon(map).apply {
+            points = Polygon.pointsAsCircle(GeoPoint(latitude, longitude), radius)
+            fillPaint.color = context.getColor(R.color.map_circle_fill)
+            outlinePaint.color = context.getColor(R.color.map_circle_stroke)
+            map.overlays.add(0, this)
+        }
+        map.invalidate()
+    }
+
     override fun onPause() {
         locationOverlay?.disableMyLocation()
         map.onPause()

app/src/main/res/values/colors.xml

@@ -147,6 +147,8 @@
   <color name="text_tertiary">@color/black_38</color>
   <color name="divider">@color/black_12</color>
   <color name="default_chip_background">@color/grey_300</color>
+  <color name="map_circle_stroke">#2196f3</color>
+  <color name="map_circle_fill">#332196f3</color>
 
 </resources>
 

app/src/main/res/values/strings.xml

@@ -340,7 +340,7 @@ File %1$s contained %2$s.\n\n
   <string name="when_overdue">When overdue</string>
   <string name="when_due">When due</string>
   <string name="when_started">When started</string>
-  <string name="geofence_radius">Radius</string>
+  <string name="geofence_radius">Geofence radius</string>
   <string name="location_radius_meters">%s m</string>
   <string name="tags">Tags</string>
   <string name="filters">Filters</string>