From 95a10b1569a231fe09d7aaf3329ca5ecebc53578 Mon Sep 17 00:00:00 2001
From: ayman abdelghany <aymana.ghany@devfactory.com>
Date: Thu, 14 Apr 2016 13:12:07 +0200
Subject: [PATCH] use Java collection interfaces rather than specific
 implementation

---
 .../main/java/edu/tsinghua/hotmobi/model/SessionEvent.java   | 5 +++--
 .../java/org/mariotaku/twidere/util/AsyncTaskManager.java    | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/twidere/src/main/java/edu/tsinghua/hotmobi/model/SessionEvent.java b/twidere/src/main/java/edu/tsinghua/hotmobi/model/SessionEvent.java
index 2dbf8b159..3bcebffbc 100644
--- a/twidere/src/main/java/edu/tsinghua/hotmobi/model/SessionEvent.java
+++ b/twidere/src/main/java/edu/tsinghua/hotmobi/model/SessionEvent.java
@@ -37,6 +37,7 @@ import org.mariotaku.twidere.model.UserKey;
 import org.mariotaku.twidere.util.DataStoreUtils;
 
 import java.util.HashMap;
+import java.util.Map;
 
 /**
  * Created by mariotaku on 15/8/8.
@@ -79,7 +80,7 @@ public class SessionEvent extends BaseEvent implements Parcelable {
         return configuration;
     }
 
-    public HashMap<String, String> getPreferences() {
+    public Map<String, String> getPreferences() {
         return preferences;
     }
 
@@ -87,7 +88,7 @@ public class SessionEvent extends BaseEvent implements Parcelable {
         this.preferences = preferences;
     }
 
-    public HashMap<String, String> getDevicePreferences() {
+    public Map<String, String> getDevicePreferences() {
         return devicePreferences;
     }
 
diff --git a/twidere/src/main/java/org/mariotaku/twidere/util/AsyncTaskManager.java b/twidere/src/main/java/org/mariotaku/twidere/util/AsyncTaskManager.java
index e898072d0..9081ca50e 100644
--- a/twidere/src/main/java/org/mariotaku/twidere/util/AsyncTaskManager.java
+++ b/twidere/src/main/java/org/mariotaku/twidere/util/AsyncTaskManager.java
@@ -27,6 +27,7 @@ import org.mariotaku.twidere.task.ManagedAsyncTask;
 
 import java.util.ArrayList;
 import java.util.ConcurrentModificationException;
+import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -94,7 +95,7 @@ public final class AsyncTaskManager {
         return mHandler;
     }
 
-    public ArrayList<ManagedAsyncTask<?, ?, ?>> getTaskSpecList() {
+    public List<ManagedAsyncTask<?, ?, ?>> getTaskSpecList() {
         return new ArrayList<>(mTasks);
     }