Further fixing retrieving application list with device info

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/Device.java

@@ -62,9 +62,11 @@ public class Device implements Serializable {
     private List<Device.Property> properties;
 
     @ApiModelProperty(name = "advanceInfo", value = "This defines the device registration related information. " +
-            "It is mandatory to define this information.", required = true)
+            "It is mandatory to define this information.", required = false)
     private DeviceInfo deviceInfo;
 
+    @ApiModelProperty(name = "applications", value = "This represents the application list installed into the device",
+    required = false)
     private List<Application> applications;
 
     public Device() {

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/service/DeviceManagementProviderServiceImpl.java

@@ -539,6 +539,20 @@ public class DeviceManagementProviderServiceImpl implements DeviceManagementProv
                 DeviceManagementDAOFactory.closeConnection();
             }
             device.setDeviceInfo(info);
+
+            try {
+                DeviceManagementDAOFactory.openConnection();
+                List<Application> applications = applicationDAO.getInstalledApplications(device.getId());
+                device.setApplications(applications);
+            } catch (DeviceManagementDAOException e) {
+                log.error("Error occurred while retrieving the application list of '" + device.getType() + "', " +
+                        "which carries the id '" + device.getId() + "'", e);
+            } catch (SQLException e) {
+                log.error("Error occurred while opening a connection to the data source", e);
+            } finally {
+                DeviceManagementDAOFactory.closeConnection();
+            }
+
             DeviceManager deviceManager = this.getDeviceManager(device.getType());
             if (deviceManager == null) {
                 if (log.isDebugEnabled()) {