Possible to solve memory leak

build.gradle

@@ -12,9 +12,21 @@ buildscript {
         mavenCentral()
         maven { url "https://maven.google.com" }
         jcenter()
+        google()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-rc2'
+        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
+    }
+
+}
+
+allprojects {
+    repositories {
+        mavenCentral()
+        maven { url "https://maven.google.com" }
+        jcenter()
+        google()
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sat Oct 14 10:52:55 BST 2017
+#Fri Jun 22 08:51:40 CEST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

library/build.gradle

@@ -8,7 +8,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'maven-publish'
 apply plugin: 'maven'
 apply plugin: 'signing'
-
+apply plugin: 'com.github.dcendents.android-maven'
 
 version smartLocationVersion
 group 'io.nlopez.smartlocation'

library/src/main/java/io/nlopez/smartlocation/SmartLocation.java

@@ -154,7 +154,7 @@ public static class LocationControl {
 
         private static final Map<Context, LocationProvider> MAPPING = new WeakHashMap<>();
 
-        private final SmartLocation smartLocation;
+        private SmartLocation smartLocation;
         private LocationParams params;
         private LocationProvider provider;
         private boolean oneFix;
@@ -212,6 +212,13 @@ public void start(OnLocationUpdatedListener listener) {
         public void stop() {
             provider.stop();
         }
+
+        public void destroy() {
+            provider.destroy();
+            provider = null;
+            params = null;
+            smartLocation = null;
+        }
     }
 
     public static class GeocodingControl {

library/src/main/java/io/nlopez/smartlocation/location/LocationProvider.java

@@ -19,4 +19,5 @@ public interface LocationProvider {
 
     Location getLastLocation();
 
+    void destroy();
 }

library/src/main/java/io/nlopez/smartlocation/location/providers/LocationBasedOnActivityProvider.java

@@ -69,4 +69,9 @@ public void onActivityUpdated(DetectedActivity detectedActivity) {
     public interface LocationBasedOnActivityListener {
         public LocationParams locationParamsForActivity(DetectedActivity detectedActivity);
     }
+
+    @Override
+    public void destroy() {
+        locationProvider.destroy();
+    }
 }

library/src/main/java/io/nlopez/smartlocation/location/providers/LocationGooglePlayServicesProvider.java

@@ -204,6 +204,14 @@ public Location getLastLocation() {
         return null;
     }
 
+    @Override
+    public void destroy() {
+        context = null;
+        listener = null;
+        googlePlayServicesListener = null;
+        serviceListener = null;
+    }
+
     @Override
     public ServiceConnectionListener getServiceListener() {
         return serviceListener;

library/src/main/java/io/nlopez/smartlocation/location/providers/LocationGooglePlayServicesWithFallbackProvider.java

@@ -60,6 +60,13 @@ public void stop() {
         shouldStart = false;
     }
 
+    @Override
+    public void destroy() {
+        provider.destroy();
+        context = null;
+        listener = null;
+    }
+
     @Override
     public Location getLastLocation() {
         return provider.getLastLocation();

library/src/main/java/io/nlopez/smartlocation/location/providers/LocationManagerProvider.java

@@ -173,4 +173,9 @@ public void onProviderEnabled(String provider) {
     public void onProviderDisabled(String provider) {
 
     }
+
+    @Override
+    public void destroy() {
+        mContext = null;
+    }
 }

library/src/main/java/io/nlopez/smartlocation/location/providers/MultiFallbackProvider.java

@@ -125,6 +125,14 @@ void fallbackProvider() {
         }
     }
 
+    @Override
+    public void destroy() {
+        context = null;
+        if (currentProvider != null) {
+            currentProvider.destroy();
+        }
+    }
+
     /**
      * Builder class for the {@link MultiFallbackProvider}.
      */

library/src/test/java/io/nlopez/smartlocation/location/providers/TestServiceProvider.java

@@ -79,4 +79,9 @@ public void simulateFailure() {
             listener.onConnectionFailed();
         }
     }
+
+    @Override
+    public void destroy() {
+
+    }
 }

library/src/test/java/io/nlopez/smartlocation/util/MockLocationProvider.java

@@ -39,4 +39,9 @@ public Location getLastLocation() {
     public void fakeEmitLocation(Location location) {
         listener.onLocationUpdated(location);
     }
+
+    @Override
+    public void destroy() {
+
+    }
 }

rxjava/src/test/java/io/nlopez/smartlocation/rx/ObservableFactoryTest.java

@@ -120,5 +120,10 @@ public Location getLastLocation() {
         public void fakeEmit(Location location) {
             mListener.onLocationUpdated(location);
         }
+
+        @Override
+        public void destroy() {
+
+        }
     }
 }