1. 解决app列表内存泄漏问题

2. 独立APP在onPause时不关闭adas算法
3. 解决npe问题

modules/mogo-module-apps/src/main/java/com/mogo/module/apps/AppsListChangedLiveData.java

@@ -14,21 +14,24 @@ public class AppsListChangedLiveData extends MutableLiveData {
 
     private Observer mObserver;
 
-    private AppsListChangedLiveData(){
-        // private constructor
-    }
+    private static volatile AppsListChangedLiveData sInstance;
 
-    private static final class InstanceHolder{
-      private static final AppsListChangedLiveData INSTANCE = new AppsListChangedLiveData();
-    }
+    private AppsListChangedLiveData(){}
 
     public static AppsListChangedLiveData getInstance(){
-      return InstanceHolder.INSTANCE;
+        if( sInstance == null ){
+            synchronized( AppsListChangedLiveData.class ) {
+                if( sInstance == null ){
+                    sInstance = new AppsListChangedLiveData();
+                }
+            }
+        }
+        return sInstance;
     }
 
-    private Object readResolve(){
-      // 阻止反序列化，必须实现 Serializable 接口
-      return InstanceHolder.INSTANCE;
+    private Object readResolve() {
+        // 阻止反序列化，必须实现 Serializable 接口
+        return sInstance;
     }
 
     @Override
@@ -37,7 +40,9 @@ public class AppsListChangedLiveData extends MutableLiveData {
         mObserver = observer;
     }
 
-    public void release(){
+    public synchronized void release(){
         removeObserver( mObserver );
+        mObserver = null;
+        sInstance = null;
     }
 }

modules/mogo-module-apps/src/main/java/com/mogo/module/apps/AppsPresenter.java

@@ -216,6 +216,12 @@ public class AppsPresenter extends Presenter< AppsView > {
         AppsListChangedLiveData.getInstance().release();
         mView = null;
         mLauncher.destroy();
+`        mAnalytics = null;
+        mCardManager = null;
+        if ( mLauncher != null ) {
+            mLauncher.destroy();
+        }
+        mLauncher = null;
     }
 
     public void exit() {

modules/mogo-module-apps/src/main/java/com/mogo/module/apps/applaunch/InternalFunctionLauncher.java

@@ -103,6 +103,7 @@ public class InternalFunctionLauncher extends BaseAppLauncher {
     public void destroy() {
         if ( getNext() != null ) {
             getNext().destroy();
+            setNext( null );
         }
     }
 }

modules/mogo-module-apps/src/main/java/com/mogo/module/apps/model/AppsModel.java

@@ -36,7 +36,7 @@ public class AppsModel {
     private Map< Integer, List< AppInfo > > mPagedApps = new HashMap<>();
 
     private AppsModel( Context context ) {
-        mContext = context;
+        mContext = context.getApplicationContext();
     }
 
     public static AppsModel getInstance( Context context ) {