Re: Background fetch is never called
Re: Background fetch is never called
- Subject: Re: Background fetch is never called
- From: Steve Christensen <email@hidden>
- Date: Wed, 13 Dec 2017 06:09:38 -0800
Are you calling -[UIApplication setMinimumBackgroundFetchInterval:] in
-application:didFinishLaunchingWithOptions:? According to the documentation:
> Specifies the minimum amount of time that must elapse between background
> fetch operations.
>
> This property has no effect for apps that do not have the UIBackgroundModes
> key with the fetch value in its Info.plist file.
>
> The default fetch interval for apps is
> UIApplicationBackgroundFetchIntervalNever. Therefore, you must call this
> method and set a fetch interval before your app is given background execution
> time.
> On Dec 13, 2017, at 1:31 AM, Viacheslav Karamov <email@hidden> wrote:
>
> Yes, I confirm that
>
>
> 12.12.17 23:16, Steve Christensen wrote:
>> Did you confirm that there is a UIBackgroundModes key in your app's
>> Info.plist?
>>
>> <key>UIBackgroundModes</key>
>> <array>
>> <string>fetch</string>
>> </array>
>>
>>
>>
>>> On Dec 12, 2017, at 6:23 AM, Viacheslav Karamov <email@hidden>
>>> wrote:
>>>
>>> I have configured Background Fetch at the "Capabilities" tab in my
>>> Project's settings. Then added to the App delegate:
>>>
>>> -(void)application:(UIApplication *)application
>>> performFetchWithCompletionHandler:(void
>>> (^)(UIBackgroundFetchResult))completionHandler
>>> {
>>> NSLog(@"########### Received Backgroudn Fetch ###########");
>>>
>>> //Increase Badge Number
>>> [UIApplication sharedApplication].applicationIconBadgeNumber++;
>>>
>>>
>>> completionHandler(UIBackgroundFetchResultNewData);
>>> }
>>>
>>> - (BOOL)application:(UIApplication *)application
>>> didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
>>> {
>>> [[UIApplication sharedApplication]
>>> setMinimumBackgroundFetchInterval:UIApplicationBackgroundFetchIntervalMinimum];
>>>
>>> return YES;
>>> }
>>>
>>> When I run my simple App on the real device (tested on iPad mini 2 with iOS
>>> 10.2 and iPhone 6S running iOS 11.2) nothing happened during long time
>>> period (more than 10h). I even tried to add "Remote Notifications"
>>> capability and it also didn't help.
>>>
>>> Regards,
>>>
>>> Viacheslav.
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