当清空内存后m,若服务已启动,则启动主页以方便开门及灯光控制

+package com.gimi.common.cinema.utils;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.os.Build;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map.Entry;
+import java.util.Set;
+
+/**
+ * Author: jack
+ * Description:管理所有的栈中的Activity
+ */
+public class ActivityCollector {
+
+    /**
+     * 存放activity的列表
+     */
+    public static HashMap<Class<?>, Activity> activities = new LinkedHashMap<>();
+
+    /**
+     * 添加Activity
+     *
+     * @param activity
+     */
+    public static void addActivity(Activity activity, Class<?> clz) {
+        activities.put(clz, activity);
+    }
+
+    /**
+     * 判断一个Activity 是否存在
+     *
+     * @param clz
+     * @return
+     */
+    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
+    public static <T extends Activity> boolean isActivityExist(Class<T> clz) {
+        boolean res;
+        Activity activity = getActivity(clz);
+        if (activity == null) {
+            res = false;
+        } else {
+            if (activity.isFinishing() || activity.isDestroyed()) {
+                res = false;
+            } else {
+                res = true;
+            }
+        }
+
+        return res;
+    }
+
+    /**
+     * 获得指定activity实例
+     *
+     * @param clazz Activity 的类对象
+     * @return
+     */
+    public static <T extends Activity> T getActivity(Class<T> clazz) {
+        return (T) activities.get(clazz);
+    }
+
+    /**
+     * 移除activity,代替finish
+     *
+     * @param activity
+     */
+    public static void removeActivity(Activity activity) {
+        if (activities.containsValue(activity)) {
+            activities.remove(activity.getClass());
+        }
+    }
+
+    /**
+     * 移除所有的Activity
+     */
+    public static void removeAllActivity() {
+        if (activities != null && activities.size() > 0) {
+            Set<Entry<Class<?>, Activity>> sets = activities.entrySet();
+            for (Entry<Class<?>, Activity> s : sets) {
+                if (!s.getValue().isFinishing()) {
+                    s.getValue().finish();
+                }
+            }
+        }
+        activities.clear();
+    }
+}
\ No newline at end of file

@@ -10,11 +10,13 @@ import android.util.Log;
 import android.widget.Toast;
 import com.gimi.common.cinema.model.MessageEvent;
 import com.gimi.common.cinema.model.RoomInfo;
+import com.gimi.common.cinema.utils.ActivityCollector;
 import com.gimi.common.cinema.utils.SystemUtils;
 import com.gimi.common.cinema.utils.Utils;
 import com.google.gson.Gson;
 import com.google.gson.JsonSyntaxException;
 import com.qnbar.smc.utils.LightOperationUtils;
+import com.xgimi.gimicinema.activity.MainActivity;
 import com.xgimi.gimicinema.activity.QrCodeShowActivity;
 import com.xgimi.gimicinema.application.FangTangApplication;
 import com.xgimi.smartscreen.encrypt.AuthCode;
@@ -113,7 +115,21 @@ public class SocketService1 extends Service {
         }
     };
 
-    private long sendTime = 0L;
+    int mainChargeCount = 0;
+    private Runnable startMainRunnable = new Runnable() {
+        @Override
+        public void run() {
+            if (ActivityCollector.getActivity(MainActivity.class) == null) {
+                Log.d(TAG, "do start main activity");
+                Intent intent = new Intent(context, MainActivity.class);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                startActivity(intent);
+            } else {
+                Log.d(TAG, "already start main activity");
+            }
+        }
+    };
+
     private Context context;
 
     @Override
@@ -182,7 +198,6 @@ public class SocketService1 extends Service {
                 String message = msg;
                 os.write(message.getBytes());
                 os.flush();
-                sendTime = System.currentTimeMillis();//每次发送成数据，就改一下最后成功发送的时间，节省心跳间隔时间
             } else {
                 return false;
             }
@@ -291,7 +306,16 @@ public class SocketService1 extends Service {
                                         Log.d(TAG, "verify success start heart beat");
                                         break;
                                     case HEART_BEAT_SUCCESS:
-                                        Log.d(TAG, "HEART_BEAT_SUCCESS");
+                                        //每成功5次心跳判定是否启动main activity
+                                        if (++mainChargeCount == 5) {
+                                            mainChargeCount = 0;
+                                            if (ActivityCollector.getActivity(MainActivity.class) == null) {
+                                                Log.d(TAG, "charge start main activity");
+                                                mHandler.postDelayed(startMainRunnable, 3 * 1000);
+                                            }
+                                        }
+                                        boolean serviceLaunched = ActivityCollector.getActivity(MainActivity.class) != null;
+                                        Log.d(TAG, "HEART_BEAT_SUCCESS,MainActivity Launched:" + serviceLaunched);
                                         break;
                                     case HEART_BEAT_ERROR_SYMBOL:
                                     case ROOM_SN_CONNECTED:

@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.MotionEvent;
+import com.gimi.common.cinema.utils.ActivityCollector;
 import com.gimi.common.cinema.utils.LeeImageLoader;
 import com.gimi.common.cinema.utils.SystemUtils;
 import com.umeng.analytics.MobclickAgent;
@@ -21,6 +22,7 @@ public class BaseActivity extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
 //        setBaseTheme();
         super.onCreate(savedInstanceState);
+        ActivityCollector.addActivity(this, getClass());
         MobclickAgent.setDebugMode(true);
 
     }
@@ -34,6 +36,7 @@ public class BaseActivity extends Activity {
     protected void onDestroy() {
         super.onDestroy();
         LeeImageLoader.clearCache(this);
+        ActivityCollector.removeActivity(this);
     }
 
 //    private void setBaseTheme() {