Question

在app中我有自定义tableview(UITableView *tableView) uiviewcontroller＆amp;的子类。在tableview编辑中显示完美，但当我删除行

- (void)tableView:(UITableView *)tableView1 commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {

    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source
        //[appDelegate deleteItemAtIndexPath:indexPath];
        [self testing:indexPath];
        [tableView deleteRowsAtIndexPaths:
         [NSArray arrayWithObject:indexPath] 
                     withRowAnimation:UITableViewRowAnimationFade];//in this line app crash 
        NSLog(@"delete row");
        [tableView reloadData];
    }   
    else if (editingStyle == UITableViewCellEditingStyleInsert) {
        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
        //nothing to do item already added
    }   
}

当断点进入该行

时，此方法中的

[tableView deleteRowsAtIndexPaths: [NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];

我的应用程序崩溃了我做的事情。

- （void）testing：（NSIndexPath *）path {

Player *doc = [[Player alloc]init];
NSMutableArray* reversedArray = [[NSMutableArray alloc] initWithArray:[[[[NSArray alloc] initWithArray: _data] reverseObjectEnumerator] allObjects]];

doc = [reversedArray objectAtIndex:path.row];
NSLog(@"%@,%d", doc.name,path.row);
[self deleteRow:doc];

}

- （void）deleteRow：（Player *）doc {

// ReferMeAppDelegate * appDelegate =（ReferMeAppDelegate *）[[UIApplication sharedApplication] delegate]; self.party = [PartyParser loadParty]; if（_party！= nil）{ for（Player * player in _party.players）{ NSLog（@“％@，％@”，player.name，player.alert）; NSComparisonResult resultName，resultEmail，resultPhone，resultLocation; // NSString * str = [appDelegate.plistDict valueForKey：@“flag”]; // if（[player.email length]！= 0＆amp;＆amp; player.alert == @“1”）{ resultName = [doc.name compare：player.name]; resultEmail = [doc.email compare：player.email]; resultPhone = [doc.phone compare：player.phone]; resultLocation = [doc.location compare：player.location]; if（resultName == 0＆amp;＆amp; resultEmail == 0＆amp;＆amp; resultPhone == 0＆amp;＆amp; resultLocation == 0）{ //lblName1.text = @“equal”; Player * playerr = [[Player alloc] init]; playerr =玩家; [_party.players removeObject：playerr]; // [_party.players removeObjectAtIndex：path.row]; 打破; } //} //if([player.email length] == 0＆amp;＆amp; player.alert == @“2”）{ 其他{ resultName = [doc.name compare：player.name]; resultPhone = [doc.phone compare：player.phone]; if（resultName == 0＆amp;＆amp; resultPhone == 0）{ Player * playerr = [[Player alloc] init]; playerr =玩家; [_party.players removeObject：playerr]; 打破;
} } }

        for (Player *player in _party.players) {
            NSLog(@"after match case player names");
            NSLog(@"%@", player.name);
        }
        [PartyParser saveParty:_party];
    }

}

我在app中使用GData xml，支持read＆amp;写操作。

Answer 1

deleteRowsAtIndexPaths:方法仅执行删除的视觉效果，您还必须手动删除数据源中的相应项目，以使其中的项目数与您的操作所期望的一致，例如：

//You need to remove item from data source
[yourMutableDataArray removeObjectAtIndex:indexPath.row]; 
// Tell table view to remove the corresponding item cell
[tableView deleteRowsAtIndexPaths:
             [NSArray arrayWithObject:indexPath] 
             withRowAnimation:UITableViewRowAnimationFade];//in this line app crash 
NSLog(@"delete row");
//[tableView reloadData]; // You do not need this line

tableview在iphone中编辑崩溃应用程序？

1 个答案: