CODEWITHSUNDEEP
iosobjective-cxcode6ios8-extensionnotificationcenter
Nikita Pupyshev
Nikita Pupyshev

Reputation: 11

iOS 8 Today widget doesn't show up when loaded

I have created simple timetable widget, but when I try to test it in iOS simulator, it says something like

Timetable[4012:108619] Failed to inherit CoreMedia permissions from 3965: (null)

And the widget doesn't show up. Here's my code.

#import "TodayViewController.h"
#import <NotificationCenter/NotificationCenter.h>

@interface TodayViewController () <NCWidgetProviding, UITableViewDataSource, UITableViewDelegate>


@end

@implementation TodayViewController

- (void)viewDidLoad {
    [super viewDidLoad];

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TableCell"];
    return cell;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return 7;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)widgetPerformUpdateWithCompletionHandler:(void (^)(NCUpdateResult))completionHandler {
    // Perform any setup necessary in order to update the view.

    // If an error is encountered, use NCUpdateResultFailed
    // If there's no update required, use NCUpdateResultNoData
    // If there's an update, use NCUpdateResultNewData

        completionHandler(NCUpdateResultNewData);
    }

    @end

Upvotes: 1

Views: 838

Answers (2)

ergunkocak
ergunkocak

Reputation: 3380

Swift 4 version:

preferredContentSize = CGSize(width: preferredContentSize.width, 
                              height: CGFloat(objects.count) * 44.0)

Upvotes: 0

Tom Harrington
Tom Harrington

Reputation: 70976

That message appears all the time with today widgets and normally doesn't indicate that anything is actually wrong. Unless you're experiencing some kind of problem that you didn't mention, just ignore it.

The reason your widget is not showing up esthete your code doesn't say how much space you need. You need to set self.preferredContentSize. With table views in a widget you usually do something like:

self.preferredContentSize = CGSizeMake(self.preferredContentSize.width, self.objects.count * 44.0);

Replace self.objects with whatever array you're using for the table data, and replace 44 with your cell height.

Your code uses 7 rows, which is probably too many. See Issue in Widgets in landscape mode for a discussion of why.

Upvotes: 1

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