HTML5 App freezing after stopping geocoordinatewatcher (sometimes)
Hi
I have a problem with my html5 app freezing when I stop monitoring geolocations. The strange thing is that the freeze only occurs if the phone has been unable to receive gps positions for some time. When this happens, the app never gets
to the “done” alert (see code below). The funny thing is that the app returns to idle detection mode (the screen gets black after a few minutes), so that must mean that coordinateWatcher.Stop() is called without any error.
If I am outside receiving gps positions and stop the geomonitoring, then everything works fine.
If I have been without gps positions for some time, and then take the phone outside until gps is ok, then things also work.
Is there anything I can do to handle this situation?
JavaScript:
function stopMonitorLocation() {
window.external.notify("stopGPS");
alert(”done”);
Native code:
private System.Device.Location.GeoCoordinateWatcher coordinateWatcher;
// Constructor
public MainPage()
InitializeComponent();
coordinateWatcher = new System.Device.Location.GeoCoordinateWatcher();
private void Browser_ScriptNotify_1(object sender, NotifyEventArgs e)
if (e.Value ==
"startGPS")
try
coordinateWatcher.Start();
PhoneApplicationService.Current.UserIdleDetectionMode =
IdleDetectionMode.Disabled;
catch {}
else if (e.Value == "stopGPS")
try
coordinateWatcher.Stop();
PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Enabled;
catch {}
Ok, so I finally got the 8.1 update, probably as one of the last humans on earth, and this solved the problem.
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iMac (20-inch, Early 2009)
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1 2.66 GHz Intel Core 2 Duo CPU: 2 cores
8 GB RAM
Video Information:
NVIDIA GeForce 9400 - VRAM: 256 MB
Audio Plug-ins:
BluetoothAudioPlugIn: Version: 1.0
AirPlay: Version: 1.9
AppleAVBAudio: Version: 2.0.0
iSightAudio: Version: 7.7.3
System Software:
OS X 10.9 (13A603) - Uptime: 0 days 0:19:50
Disk Information:
WDC WD3200AAJS-40H3A0 disk0 : (320.07 GB)
EFI (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) /: 319.21 GB (131.14 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
OPTIARC DVD RW AD-5670S
USB Information:
Apple Inc. Built-in iSight
Seagate FreeAgent Go 1 TB
EFI (disk1s1) <not mounted>: 209.7 MB
MacOS FreeAgent Drive (disk1s2) /Volumes/MacOS FreeAgent Drive: 999.86 GB (198.29 GB free)
Apple Inc. iPad
Apple Computer, Inc. IR Receiver
HID compliant-mouse HID compliant-mouse
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
FireWire Information:
Thunderbolt Information:
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
[loaded] com.adobe.fpsaud.plist
[loaded] com.macpaw.CleanMyMac2.Agent.plist
[loaded] com.realvnc.vncserver.plist
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[loaded] com.rim.BBLaunchAgent.plist
[loaded] com.sony.PMBPortable.AutoRun.plist
[loaded] com.symantec.uiagent.application.plist
User Launch Agents:
[loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist
[loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist
[loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist
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echospin.plugin
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npgtpo3dautoplugin.plugin
nppanda3d.plugin
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OVSHelper.plugin
QuickTime Plugin.plugin
Silverlight.plugin
Unity Web Player.plugin
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Bad Fonts:
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Time Machine:
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2% System Information
1% firefox
1% EtreCheck
1% fontd
0% SymDaemon
0% plugin-container
0% loginwindow
0% com.apple.IconServicesAgent
0% ocspd
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238 MB mds_stores
156 MB Safari
147 MB com.apple.IconServicesAgent
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Though Norton / Symantec's garbage has a different purpose, it is capable of doing nothing beneficial will also cause the same results.
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Block browser popups: Safari menu > Preferences > Security > and check "Block popup windows":
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