bug fix: 修改自导航过程中back键后不退出导航的问题

main-extensions/mogo-module-main-independent/src/main/java/com/zhidao/mogo/module/main/independent/MainIndependentActivity.java

@@ -57,7 +57,10 @@ public class MainIndependentActivity extends MainActivity {
         if ( CustomNaviInterrupter.getInstance().interrupt() ) {
             return false;
         }
-        mServiceApis.getMapServiceApi().getNavi( this ).stopNavi();
+        if (mServiceApis.getMapServiceApi().getNavi(this).isNaviing()) {
+            mServiceApis.getMapServiceApi().getNavi( this ).stopNavi();
+            return true;
+        }
         return false;
     }
 }