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This repository was archived by the owner on Sep 7, 2021. It is now read-only.

Commit 704308d

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livecodepanoslivecodepanos
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[[ Bug 22999 ]] Allow background location updates on iOS
This patch adds a new command "iphoneAllowBackgroundLocationUpdates" that can allow/disallow location updates when the app is suspended.
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‎docs/dictionary/command/iphoneAllowBackgroundLocationUpdates.lcdoc

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Name: iphoneAllowBackgroundLocationUpdates
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Type: command
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Syntax: iphoneAllowBackgroundLocationUpdates <pAllow>
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Summary:
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Allows the app to receive location updates when it is suspended
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Introduced: 9.6.3
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OS: ios
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Platforms: mobile
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Example:
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mobileStartTrackingSensor "location"
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iphoneAllowBackgroundLocationUpdates "true"
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Example:
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iphoneAllowBackgroundLocationUpdates "false"
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Parameters:
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pAllow (boolean):
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A boolean value specifying if the app should continue to receive
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location updates when put in the background.
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Description:
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Use the <iphoneAllowBackgroundLocationUpdates> command to allow (or disallow) the app
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receiving location updates when it is suspended.
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This command has an effect only if "Location Update" is checked in the
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"Background Execution" section in the iOS standalone settings.
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References: mobileStartTrackingSensor (command), mobileStopTrackingSensor (command),
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‎docs/notes/bugfix-22999.md

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# Fix background location updates on iOS

‎docs/notes/feature-allow_background_location_updates.md

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# Allow background location updates
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A new command `iphoneAllowBackgroundLocationUpdates` has been added, which can be used to
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allow/disallow location updates when the app is suspended. This command has an effect only
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if "Location Update" is checked in the "Background Execution" section in the iOS standalone
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settings.

‎engine/rsrc/mobile-template.plist

Copy file name to clipboardExpand all lines: engine/rsrc/mobile-template.plist
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<key>UIBackgroundModes</key>
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<array>
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${PLAY_AUDIO_WHEN_IN_BACKGROUND}
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${BACKGROUND_LOCATION_UPDATE}
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${BACKGROUND_VOIP}
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${BACKGROUND_NEWSSTAND_DOWNLOADS}
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${EXTERNAL_ACC_COMM}
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${USE_BT_LE}
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${ACTS_AS_BT_LE}
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${BACKGROUND_FETCH}
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${REMOTE_NOTIFICATIONS}
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</array>
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<key>UIViewControllerBasedStatusBarAppearance</key>
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<false/>

‎engine/src/exec-sensor.cpp

Copy file name to clipboardExpand all lines: engine/src/exec-sensor.cpp
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}
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}
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void MCSensorAllowBackgroundLocationUpdates(MCExecContext& ctxt, bool p_allow)
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{
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MCSystemAllowBackgroundLocationUpdates(p_allow);
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}
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void MCSensorGetSensorAvailable(MCExecContext& ctxt, intenum_t p_sensor, bool& r_available)
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{
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MCSystemGetSensorAvailable((MCSensorType)p_sensor, r_available);

‎engine/src/exec.h

Copy file name to clipboardExpand all lines: engine/src/exec.h
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@@ -3914,6 +3914,7 @@ extern MCExecEnumTypeInfo *kMCSensorTypeTypeInfo;
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void MCSensorExecStartTrackingSensor(MCExecContext& ctxt, intenum_t p_sensor, bool p_loosely);
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void MCSensorExecStopTrackingSensor(MCExecContext& ctxt, intenum_t p_sensor);
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void MCSensorGetSensorAvailable(MCExecContext& ctxt, intenum_t p_sensor, bool& r_available);
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void MCSensorAllowBackgroundLocationUpdates(MCExecContext& ctxt, bool p_allow);
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void MCSensorGetDetailedLocationOfDevice(MCExecContext& ctxt, MCArrayRef &r_detailed_location);
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void MCSensorGetLocationOfDevice(MCExecContext& ctxt, MCStringRef &r_location);

‎engine/src/mblandroidsensor.cpp

Copy file name to clipboardExpand all lines: engine/src/mblandroidsensor.cpp
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return true;
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}
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void MCSystemAllowBackgroundLocationUpdates(bool p_allow)
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{
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// not implemented
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}
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////////////////////////////////////////////////////////////////////////////////
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/*
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bool MCSystemStartTrackingSensor(MCSensorType p_sensor, bool p_loosely)

‎engine/src/mblhandlers.cpp

Copy file name to clipboardExpand all lines: engine/src/mblhandlers.cpp
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@@ -1336,6 +1336,30 @@ Exec_stat MCHandleSensorAvailable(void *p_context, MCParameter *p_parameters)
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return ES_ERROR;
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}
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Exec_stat MCHandleAllowBackgroundLocationUpdates(void *p_context, MCParameter *p_parameters)
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{
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MCExecContext ctxt(nil, nil, nil);
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ctxt . SetTheResultToEmpty();
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bool t_allow_background_location_updates = false;
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if (p_parameters)
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{
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MCAutoValueRef t_value;
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MCAutoBooleanRef t_bool;
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p_parameters->eval_argument(ctxt, &t_value);
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if(ctxt . ConvertToBoolean(*t_value, &t_bool))
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t_allow_background_location_updates = MCValueIsEqualTo(*t_bool, kMCTrue);
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}
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MCSensorAllowBackgroundLocationUpdates(ctxt, t_allow_background_location_updates);
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if (!ctxt . HasError())
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return ES_NORMAL;
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return ES_ERROR;
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}
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Exec_stat MCHandleCanTrackLocation(void *p_context, MCParameter *p_parameters)
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{
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MCExecContext ctxt(nil, nil, nil);
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// MM-2012-02-11: Added support old style senseor syntax (iPhoneEnableAcceleromter etc)
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/* DEPRECATED */ {false, "iphoneCanTrackLocation", MCHandleCanTrackLocation, nil},
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{false, "iphoneAllowBackgroundLocationUpdates", MCHandleAllowBackgroundLocationUpdates, nil},
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// PM-2014-10-07: [[ Bug 13590 ]] StartTrackingLocation and StopTrackingLocation must run on the script thread
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/* DEPRECATED */ {true, "iphoneStartTrackingLocation", MCHandleLocationTrackingState, (void *)true},

‎engine/src/mbliphonesensor.mm

Copy file name to clipboardExpand all lines: engine/src/mbliphonesensor.mm
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NSString *t_location_authorization_when_in_use;
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t_location_authorization_when_in_use = [t_info_dict objectForKey: @"NSLocationWhenInUseUsageDescription"];
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if (t_location_authorization_always)
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{
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[s_location_manager requestAlwaysAuthorization];
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////////////////////////////////////////////////////////////////////////////////
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void MCSystemAllowBackgroundLocationUpdates(bool p_allow)
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{
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NSDictionary *t_info_dict;
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t_info_dict = [[NSBundle mainBundle] infoDictionary];
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NSArray *t_background_modes_array;
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t_background_modes_array = [t_info_dict objectForKey: @"UIBackgroundModes"];
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BOOL t_plist_can_allow_background_location_updates = [t_background_modes_array containsObject: @"location"];
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if (t_plist_can_allow_background_location_updates)
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{
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initialize_core_location();
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if (p_allow)
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s_location_manager.allowsBackgroundLocationUpdates = YES;
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else
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s_location_manager.allowsBackgroundLocationUpdates = NO;
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}
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}
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bool MCSystemGetSensorAvailable(MCSensorType p_sensor, bool& r_available)
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{
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switch (p_sensor)

‎engine/src/mblsensor.h

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bool MCSystemStopTrackingRotationRate();
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bool MCSystemGetSensorAvailable(MCSensorType p_sensor, bool& r_available);
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void MCSystemAllowBackgroundLocationUpdates(bool p_allow);
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bool MCSystemStartTrackingSensor(MCSensorType p_sensor, bool p_loosely);
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bool MCSystemStopTrackingSensor(MCSensorType p_sensor);

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