From cd05cfe28c03f70b7f7099f4126b35877925bdce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Paczos?= <lukasz.paczos@mapbox.com>
Date: Mon, 17 Dec 2018 13:17:31 +0100
Subject: [android] location update fastest interval workaround

---
 .../mapbox/mapboxsdk/location/LocationComponent.java   | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponent.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponent.java
index 07194cdc89..d4083c6634 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponent.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/location/LocationComponent.java
@@ -5,6 +5,7 @@ import android.content.Context;
 import android.hardware.SensorManager;
 import android.location.Location;
 import android.os.Looper;
+import android.os.SystemClock;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.RequiresPermission;
@@ -162,6 +163,10 @@ public final class LocationComponent {
   private final CopyOnWriteArrayList<OnCameraTrackingChangedListener> onCameraTrackingChangedListeners
     = new CopyOnWriteArrayList<>();
 
+  // Workaround for too frequent updates, see https://github.com/mapbox/mapbox-gl-native/issues/13587
+  private long fastestInterval;
+  private long lastUpdateTime;
+
   /**
    * Internal use.
    * <p>
@@ -693,19 +698,21 @@ public final class LocationComponent {
   @SuppressLint("MissingPermission")
   public void setLocationEngine(@Nullable LocationEngine locationEngine) {
     if (this.locationEngine != null) {
-      // If internal location engines being used, extra steps need to be taken to deconstruct the
-      // instance.
+      // If internal location engines being used, extra steps need to be taken to deconstruct the instance.
       this.locationEngine.removeLocationUpdates(currentLocationEngineListener);
       this.locationEngine = null;
     }
 
     if (locationEngine != null) {
+      fastestInterval = locationEngineRequest.getFastestInterval();
       this.locationEngine = locationEngine;
       if (isLayerReady && isEnabled) {
         setLastLocation();
         locationEngine.requestLocationUpdates(
           locationEngineRequest, currentLocationEngineListener, Looper.getMainLooper());
       }
+    } else {
+      fastestInterval = 0;
     }
   }
 
@@ -1112,6 +1119,13 @@ public final class LocationComponent {
     } else if (!isLayerReady) {
       lastLocation = location;
       return;
+    } else {
+      long currentTime = SystemClock.elapsedRealtime();
+      if (currentTime - lastUpdateTime < fastestInterval) {
+        return;
+      } else {
+        lastUpdateTime = currentTime;
+      }
     }
 
     showLocationLayerIfHidden();
-- 
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