fix concurrent access

Author: zorgluf

app/src/main/java/fr/nuage/souvenirs/model/Album.java

@@ -95,10 +95,8 @@ public JSONObject toJSON() {
             json.put("name",name);
             json.put("id",id.toString());
             JSONArray jPages = new JSONArray();
-            ArrayList<Page> mPages = pages;
-            Iterator<Page> iterator = mPages.iterator();
-            while(iterator.hasNext()){
-                Page p = iterator.next();
+            ArrayList<Page> mPages = new ArrayList<>(pages);
+            for (Page p: mPages) {
                 jPages.put(p.toJSON());
             }
             json.put("pages",jPages);

gradle.properties

@@ -12,7 +12,7 @@ org.gradle.jvmargs=-Xmx1536m
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 android.useAndroidX=true
-android.enableJetifier=true
+android.enableJetifier=false
 android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=false
 android.nonFinalResIds=false