Try to limit memory retention when downloading reports to avoid Out of

memory
Fix #57

app/src/main/AndroidManifest.xml

@@ -12,7 +12,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        tools:ignore="GoogleAppIndexingWarning">
+        tools:ignore="GoogleAppIndexingWarning"
+        android:largeHeap="true"
+        >
         <activity android:name=".MainActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
             >

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/manager/NetworkManager.java

@@ -46,6 +46,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Random;
+import java.util.Set;
 import java.util.TimeZone;
 
 import java.util.concurrent.Semaphore;
@@ -201,8 +202,14 @@ public class NetworkManager {
                         JSONObject tracker = trackers.getJSONObject(trackerId);
                         Tracker track = parseTracker(tracker,trackerId);
                         trackersList.add(track);
-                    }
+                        if (trackersList.size() == 20) {
                             DatabaseManager.getInstance(mes.context).insertOrUpdateTrackers(trackersList);
+                            trackersList.clear();
+                        }
+                    }
+                    if(!trackersList.isEmpty())
+                        DatabaseManager.getInstance(mes.context).insertOrUpdateTrackers(trackersList);
+                    trackersList.clear();
                 } catch (JSONException e) {
                     mes.listener.onError(mes.context.getString(R.string.json_error));
                 }
@@ -225,40 +232,55 @@ public class NetworkManager {
 
             if(object != null) {
                 Map<String,String> handles = new HashMap<>();
+                ArrayList<String> packages = mes.args.getStringArrayList("packages");
+                if (packages == null)
+                    return;
+
                 try {
                     JSONArray applications = object.getJSONArray("applications");
+
+                    //manage handles map (handle,UAID)
                     for(int i = 0; i<applications.length(); i++) {
                         JSONObject app = applications.getJSONObject(i);
                         String handle = app.getString("handle");
                         String auid = app.getString("app_uid");
+                        app.remove("id");
+                        app.remove("name");
+                        app.remove("creator");
+                        app.remove("icon_phash");
+                        app.remove("downloads");
+                        if (packages.contains(handle))
                             handles.put(handle,auid);
-                    }
-                } catch (JSONException e) {
-                    mes.listener.onError(mes.context.getString(R.string.json_error));
-                }
-                getReports(mes,handles);
-            }
-            mes.listener.onSuccess();
+                        app.remove("app_uid");
                     }
 
-        private void getReports(Message mes, Map<String,String> handles) {
-            ArrayList<String> packages = mes.args.getStringArrayList("packages");
-            if(packages == null)
-                return;
-
+                    //remove app not analyzed by Exodus
                     packages.retainAll(handles.keySet());
 
                     // Add some random packages to avoid tracking
                     Random rand = new Random(Thread.currentThread().getId());
                     int alea = rand.nextInt(120) % 10 + 11;
-            List<String> handleList = new ArrayList<>(handles.keySet());
                     for(int i = 0 ; i < alea; i++) {
-                int val = rand.nextInt(handleList.size());
-                packages.add(handleList.get(val));
+                        int val = rand.nextInt(applications.length());
+                        JSONObject app = applications.getJSONObject(val);
+                        String handle = app.getString("handle");
+                        packages.add(handle);
+                    }
+                    //shuffle the list
+                    Collections.shuffle(packages);
+                    object.remove("applications");
+
+                } catch (JSONException e) {
+                    e.printStackTrace();
+                    mes.listener.onError(mes.context.getString(R.string.json_error));
+                }
+                object = null;
+                getReports(mes,handles,packages);
+            }
+            mes.listener.onSuccess();
         }
 
-            Collections.shuffle(packages);
-
+        private void getReports(Message mes, Map<String, String> handles, ArrayList<String> packages) {
             for(int i = 0; i < packages.size(); i++) {
                 mes.listener.onProgress(R.string.parse_application,i+1,packages.size());
                 getReport(mes,packages.get(i),handles.get(packages.get(i)));

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,6 @@
-#Mon May 20 19:52:15 CEST 2019
+#Tue Oct 01 11:13:40 CEST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
-distributionSha256Sum=14cd15fc8cc8705bd69dcfa3c8fefb27eb7027f5de4b47a8b279218f76895a91