background-service

问题 I want to check the database in my app every 12 hrs for rows with date column having corresponding date. This is accomplished by writing service in android. But is there any equivalent of services in iOS so that my requirement can be accomplished? 回答1: No. There is no such thing in the SDK or in iPhone/iPad in general. You can only write code that will affect the eco system of the app, not the operating system. When your app is closed it's closed and no action will be taken until the user

问题 I am using Background Thread to update one of my label I am using the following code. But in iOS 4.0 i have learn that application saves its states and goes to background. and my application also did that work but the thread i am using stops working when i hide the application and again resumes from where i left when i reopen it. Can anybody please tell me what do I need to change in code in order to make the thread keep on running in background and change my GUI while my application is

问题 I have been developing a PhoneGap application for Android which contains a Background Service. My question is: How can I debug this service? Is it possible to debug using an AVD and go step by step? or can I use my own device to achieve that? Thanks! 回答1: Yes, it can be done using AVD or device. Check out http://www.helloandroid.com/tutorials/how-debug-service and Debugging a service. 回答2: You can debug your service by putting a single statement , I am mentioning it here : @Override public

问题 I'm trying to create a service that will do background jobs for me even after the user closes the app from the running processes menu(by shifting process out of the screen). What I tried to do is create service in a different process by declaring it like this: <service android:name=".service.Service" android:enabled="true" android:icon="@drawable/ic_launcher" android:process=":my_process" > </service> and the onStartCommand() is: @Override public int onStartCommand(Intent intent, int flags,

问题 I have created a service to fetch current location of the device in periodic intervals. I want the service to run in the background even if the app is cleared from recently opened apps. Currently the service runs in background only until app is present in the recently opened apps but stop immediately when app is swiped off (or killed in some other way). I have tried all sort of help available in stack overflow yet I am unable to solve this. Please help. Here is my code for the service.

问题 I have created a service to fetch current location of the device in periodic intervals. I want the service to run in the background even if the app is cleared from recently opened apps. Currently the service runs in background only until app is present in the recently opened apps but stop immediately when app is swiped off (or killed in some other way). I have tried all sort of help available in stack overflow yet I am unable to solve this. Please help. Here is my code for the service.

问题 I need to call a web service in every minute and parse the data when app is in background state. Since the APP uses location service I have enabled background mode for update Location. I tried calling location update by using a timer background task, but it not working. - (void)applicationDidEnterBackground:(UIApplication *)application { self.bgTask = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{ NSLog(@"ending background task"); [[UIApplication

问题 Which Background notification plugin is available for xdk? I tried to build an app with the below plugin and The build failed. Error: Plugin "myBackgroundNotification" failed to install. What's wrong with XDK cordova build? Or what's wrong with the plugin and the id? The plugin-> [https://github.com/katzer/cordova-plugin-local-notifications.git] The plugin-ID->[de.appplant.cordova.plugin.local-notification ] from this link-> [https://github.com/katzer/cordova-plugin-local-notifications]

问题 Hi i need to create an uninstallable background service that would run from application, if the user is registered otherwise wait until it will receive my condition to get installed? 1 ) how to create an uninstallable background service? 2 ) how to install it by user registered condition? I would really appreciate the help! Thanks in advance. 回答1: Note that any, even system .cod file, can be uninstalled via javaloader.exe utility that comes with JDE distribution package. Or via any

问题 I have a downloader app project and I'm using a Service class for managing download tasks and showing notifications like this : the problem: when I close app from recent apps by swiping , the Service will be stop. I cant use startForeground for notifications , because I have multiple notifications in one service . and I like notify.setAutoCancel(true) works fine. here is AndroidManifest.xml code : <service android:name=".Downloader" android:exported="false" android:enabled="true" android