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我正在爲鈦和iOS創建一個應用，該信息只要服務器運行，就會每隔5秒向服務器發送一次新的地理位置信息。但是，在iOS上，應用會在隨機時間間隔後停止發送這些位置。雖然我自己並不完全相信這是由於應用程序在iOS中暫停的事實（因爲它隨機停止並且沒有固定時間），我仍然渴望嘗試並確定。在後臺服務中發送地理位置信息[Titanium]
但是;我真的沒有足夠的這樣做。我在eventListener中創建了一個後臺服務來查看會發生什麼，並立即開始記錄（我現在已經把一個控制檯登錄）。儘管如此，我的地理位置仍然正常運行。
現在，有人能給我一些關於如何解決這個問題的指導嗎？我是否想停止正常的地理位置監聽程序並讓BG服務接管？或者，BGservice現在將我的正常代碼中的地理位置事件偵聽器保持活動狀態？
在這一點上，我不敢說我非常渴望得到任何幫助，哈哈！
這裏是我的地理位置處理現在，隨着BGservice一起：
//Start button. listens to an eventHandler in location.js
btnStart.addEventListener('click', function (e) {
if(Titanium.Geolocation.locationServicesEnabled === false) {
GPSSaved.text = 'Your device has GPS turned off. Please turn it on.';
} else {
if (Titanium.Network.online) {
GPSSaved.text = "GPS zoeken...";
//Empty interval and text to make a clean (re)start
clearInterval(interval);
//Set a half second timer on the stop button appearing(So people can't double tap the buttons)
stopTimeout = setTimeout(showStopButton, 1000);
//Switch the textlabels and buttons from startview to stopview
stopText.show();
startText.hide();
btnStart.hide();
//Locationhandler
location.start({
action: function (e) {
//Ti.API.info(e.coords.longitude);
if (e.coords) {
//If the newly acquired location is not the same as the last acquired it is allowed
if (e.coords.longitude != lastLon && e.coords.latitude != lastLat) {
//set the last acquired locations+other info to their variables so they can be checked(and used)
lastLat = e.coords.latitude;
lastLon = e.coords.longitude;
lastKnownAltitude = e.coords.altitude;
lastKnownHeading = e.coords.heading;
lastKnownSpeed = e.coords.speed;
if (lastLat != 0 && lastLon != 0) {
setGPSholder(lastLat, lastLon, lastKnownAltitude, lastKnownHeading, lastKnownSpeed);
} else {
GPSSaved.text = 'Geen coordinaten.';
}
}
}
}
});
/*
A second interval which shows a counter to the user and makes sure a location is sent
roughly every 5 seconds(setInterval isn't accurate though)
A lot of counters are tracked for several reasons:
minuteInterval: Counter which makes sure the last location is sent after a minute if no new one is found in the meantime
secondsLastSent: The visual counter showing the user how long its been for the last save(Is reset to 0 after a succesful save)
*/
interval = setInterval(function() {
minuteInterval++;
minuteIntervalTest++;
secondsLastSent++;
counterBlock.text = "De laatste locatie is " + secondsLastSent + " seconden geleden verstuurd";
//If the counter is higher than 5 send a new coordinate. If at the same time the minuteInterval is over a minute
//The last location is put in the array before calling the sendCoordinates
if (counter >= 5) {
if (minuteInterval > 60) {
if (lastLat != 0 && lastLon != 0) {
setGPSholder(lastLat, lastLon, lastKnownAltitude, lastKnownHeading, lastKnownSpeed);
}
}
counter = 0;
sendCoordinates();
Ti.API.info(1);
} else {
counter++;
}
if (minuteIntervalTest > 60) {
sendTestRequest();
}
}, 1000);
if (Titanium.Platform.osname == 'iphone' || Titanium.Platform.osname == 'ipad') {
//var service = Ti.App.iOS.registerBackgroundService({url:'send_geolocation_service.js'});
var service;
// Ti.App.iOS.addEventListener('notification',function(e){
// You can use this event to pick up the info of the noticiation.
// Also to collect the 'userInfo' property data if any was set
// Ti.API.info("local notification received: "+JSON.stringify(e));
// });
// fired when an app resumes from suspension
Ti.App.addEventListener('resume',function(e){
Ti.API.info("app is resuming from the background");
});
Ti.App.addEventListener('resumed',function(e){
Ti.API.info("app has resumed from the background");
// this will unregister the service if the user just opened the app
// is: not via the notification 'OK' button..
if(service!=null){
service.stop();
service.unregister();
}
Titanium.UI.iPhone.appBadge = null;
});
Ti.App.addEventListener('pause',function(e){
Ti.API.info("app was paused from the foreground");
service = Ti.App.iOS.registerBackgroundService({url:'send_geolocation_service.js'});
Ti.API.info("registered background service = "+service);
});
}
} else {
stopGPS();
GPSSaved.text = "Geen internetverbinding.";
}
}
});
正如你可以看到有一個在一個區間運行，以決定是否地理位置應每5秒或每分鐘可發送一些櫃檯（如果沒有新位置，因爲最後一個被發現）
TL;博士：我想geolocations以每5秒，但不知怎麼的iOS（iPhone 4S和5測試）停止隨機TIMEPERIOD後發送，並重新啓動發送的那一刻，我得到發送手機出於待機狀態。