Question

所以我有一群朋友测试我的应用程序，iPhone 4上的一个人说当他按下我的PickerView附带的“Go”按钮时应用程序崩溃了。

一些背景知识 用户在PickerView中选择值，然后按“开始”。按下“Go”后，它会在数据库中搜索用户的选定值，并在TableView中显示结果。

那说，它适用于其他两个朋友（在4S和iPhone 5上）。有谁知道为什么会这样？请参阅下面的代码（崩溃点）。

pickerviewcontroller.m

- (IBAction)buttonpressed:(UIButton *)sender {

        NSLog(@"Button Pushed!");

}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    // Make sure your segue name in storyboard is the same as this line
    if ([[segue identifier] isEqualToString:@"pickerGo"])
    {

         NSLog(@"%@", Strains);


        // Get reference to the destination view controller
        PickerResultsTableViewController *PickerTableView = [segue destinationViewController];
         NSLog(@"%@", PickerTableView);


        NSPredicate *ailmentPredicate = [NSPredicate predicateWithFormat:@"Ailment CONTAINS[c] %@", [array1 objectAtIndex:[pickerView selectedRowInComponent:0]]];

        NSPredicate *actionPredicate = [NSPredicate predicateWithFormat:@"Action CONTAINS[c] %@", [array2 objectAtIndex:[pickerView selectedRowInComponent:1]]];

        NSPredicate *ingestPredicate = [NSPredicate predicateWithFormat:@"Ingestion CONTAINS[c] %@", [array3 objectAtIndex:[pickerView selectedRowInComponent:2]]];


        NSCompoundPredicate *resultPredicate = [NSCompoundPredicate andPredicateWithSubpredicates:[NSArray arrayWithObjects: ailmentPredicate,actionPredicate,ingestPredicate, nil]];

        searchResults = [Strains filteredArrayUsingPredicate:resultPredicate];


        // Pass any objects to the view controller here, like...

       [PickerTableView setSearchResults: [searchResults copy]];

                NSLog(@"%@", searchResults);
    }
}

应用程序在iPhone 4上使用此代码崩溃，但在iPhone 4S＆amp;五

0 个答案: