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Common pattern with segues and table views in iOS


Common pattern with segues and table views in iOS

By : Pixel
Date : November 15 2020, 06:54 AM
I wish did fix the issue. In prepareForSegue, the sender argument will be the cell, so you can work out which one was tapped at that point. You could also check the tableview's selectedIndexPath property.
You don't need to implement both functions.
code :


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Is it common to accompany views for each table that has a IsActive field?

Is it common to accompany views for each table that has a IsActive field?


By : user2746217
Date : March 29 2020, 07:55 AM
around this issue A view is just a stored query-- it will execute precisely the same way whether you check for isActive in the view or in the where clause.
If you find yourself using the isActive rows much more often, have a look at filtered indexes. For example, we have a ticketing system where 99% of the activity is related to open tickets. We were able to improve performance greatly by adding filtered indexes for the active tickets only.
Transitioning between views: translation between segues and code

Transitioning between views: translation between segues and code


By : Ahmed Tidjani
Date : March 29 2020, 07:55 AM
should help you out Regarding your first question, as always the answer is: it depends on what your needs are. If you are mainly interested in "discarding" the previous view controller, then yes, a modal segue is the way to go, if you want to let the user navigate through your view controllers, then maybe a navigation controller with push segues are a better way, or even a tab view controller. But again, it really depends on your needs.
As for your second question, have a look at this guide. A segue is an instance of the class UIStoryboardSegue, which keeps a reference to the source view controller and the destination view controller. Before actually performing the segue (the method perform that actually perform the transition), the prepareForSegue of the source view controller is called (this gives you the chance of doing some extra set-up before the transition happens), then the actual transition takes place through the method perform, where some animation is shown and, based on the type of segue, either presentViewController:animated:completion: or pushViewController: are called (you can create custom segues by overriding the initialiser method and this perform method).
Common pattern for populating select list data in Backbone views?

Common pattern for populating select list data in Backbone views?


By : 朱昀瓅
Date : March 29 2020, 07:55 AM
may help you . If you have separate templates for both your item view and collection view you can do it this way:
code :
var ItemView = Backbone.View.extend({
    tagName: 'option',
    initialize:function(){        
        this.template= _.template($('#menu_item_view').html());    
    },    
    render:function(){        
        this.$el.html(this.template(this.model.toJSON()));        
        return this;        
    }
});

var CollectionView = Backbone.View.extend({
    tagName: 'select',
    initialize:function(){        
        this.collection = new ItemCollection();            
        this.collection.on('sync',this.render,this);            
        this.collection.fetch();
    },    
    render:function(){        
        _.each(this.collection.models,function( item ){            
            this.$el.append(new ItemView({model:item}).render().el );        
        },this);      
        return this;        
    }
});
Pass data between 2 views without segues

Pass data between 2 views without segues


By : TerraCoeur
Date : March 29 2020, 07:55 AM
this will help Another method would be to use NSUserDefault to store your string, which than can be accessed from anywhere within the application.
So, you put your string into NSUserDefaults in your first view:
code :
// Initialize the NSUserDefaults object and an array for data storage
NSUserDefaults *defsData = [NSUserDefaults standardUserDefaults];
NSMutableArray *myArray = [[NSMutableArray alloc] init];

// Add your string to the custom array
NSString *myString = @"My string.";
[myArray addObject:myString];

// Put the array back into UserDefaults for later use
[defsData setObject:myArray forKey:@"Key"]; // Key can be anything
[defsData synchronize];
NSUserDefaults* defsData = [NSUserDefaults standardUserDefaults];
NSArray *myArray = [defsData objectForKey:@"Key"];

NSLog("This is my stored string: %@", [myArray objectAtIndex:0]);
TableView with Segues to Multiple Views

TableView with Segues to Multiple Views


By : Jitendra Verma
Date : March 29 2020, 07:55 AM
wish helps you The logic that you need to implement is:
Check the the segmentedIndex to know whether the user wants to see Upcoming or Showing. Load the tableView with movies per step 1. When the user taps on cell, use the segmentedIndex to identify whether you should a movie from the Upcoming or Showing array was chosen.
code :
func tableView(_ tableView:UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
guard let cell = tableView.dequeueReusableCell(withIdentifier: "TableViewCell") as? TableViewCell else { return UITableViewCell() }

switch segmentedControl.selectedSegmentIndex {
case 0:
    //handle the set up of Upcoming cells

case 1:
   //handle the setup of Showing cells

default:
    break
}
return cell  
}

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

switch segmentedControl.selectedSegmentIndex {

case 0:
    let DetailViewUpcoming = self.storyboard?.instantiateViewController(withIdentifier: "DetailViewUpcoming") as! DetailViewUpcoming

    DetailViewUpcoming.init(forMovie: upcomingArray[indexPath.row].movieID)
    self.navigationController?.pushViewController(DetailViewUpcoming, animated: true)



case 1:
    let DetailViewShowing = self.storyboard?.instantiateViewController(withIdentifier: "DetailViewShowing") as! DetailViewShowing

    DetailViewShowing.init(forMovie: showingArray[indexPath.row].movieID)
    self.navigationController?.pushViewController(DetailViewShowing, animated: true)


default:
    break

}
}


@IBAction func segmentedTapped(_ sender: Any) {
tableView.reloadData()
}
var movieID: String?

init(movieID:String){
 self.movieID = movieID
}
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