ios - Objective C - Passing data between two UITableViewControllers -

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display details in second uitableviewcontroller

my application simple recipebook understand uitableviewcontrollers. application contains 2 uitableviewcontrollers. first uitableviewcontroller contains uitableview list of recipe names. if select cell segue second uitableviewcontroller. second uitableviewcontroller contains uitableview list of ingredients.

the application contains following classes:

• recipetableviewcontroller (first)
• ingredienttableviewcontroller (second)
• recipeobject
• recipedata

the recipeobject class contains 2 properties. 1 property of type nsstring recipe name. other property of type nsarray ingredients. recipeobject objects in recipedata class.

recipeobject *recipe1 = [[recipeobject alloc]init]; recipe1.name = @"fresh coconut cake"; recipe1.ingredients = [nsarray arraywithobjects:@"coconut cups", @"milk", @"baking powder", @"butter", @"sugar", @"eggs", nil]; 

the recipedata called in recipetableviewcontroller display recipe names in tableview.

message recipedata class recipetableviewcontroller:

- (void)viewdidload { [super viewdidload]; // additional setup after loading view. self.recipes = [recipedata allrecipes];} 

display names in tableview:

    -(uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath{      static nsstring *cellidentifier = @"recipecell";     uitableviewcell *cell = [tableview dequeuereusablecellwithidentifier:cellidentifier forindexpath:indexpath];      recipeobject *recipes = [self.recipes objectatindex:indexpath.row];     cell.textlabel.text = recipes.name;      return cell; } 

how add recipe1.ingredients array ingredientstableviewcontroller?

any highly appreciated!

perform segue when recipe selected. in prepare segue-method take selected recipe , pass ingredients ingredientstableviewcontroller. quite similar this:

-(void)tableview:(uitableview *)tableview didselectrowatindexpath:(nsindexpath *)indexpath{     [self performseguewithidentifier:@"to_ingredients" sender:self]; }  // in storyboard-based application, want little preparation before navigation - (void)prepareforsegue:(uistoryboardsegue *)segue sender:(id)sender {     if ([segue.identifier isequaltostring:@"to_ingredients"]) {         ingredienttableviewcontroller *ingredientstableviewcontroller = (ingredienttableviewcontroller *)[segue destinationcontroller];      nsindexpath *indexpath = [self.tableview indexpathforselectedrow];     recipeobject *recipe = [self.recipes objectatindex:indexpath.row];     ingredientstableviewcontroller.ingredients = recipe.ingredients;      }  } 

if don't use storyboard set segue need first method should looks this:

-(void)tableview:(uitableview *)tableview didselectrowatindexpath:(nsindexpath *)indexpath{  ingredienttableviewcontroller *ingredientstableviewcontroller = [[ingredienttableviewcontroller alloc]init]; recipeobject *recipe = [self.recipes objectatindex:indexpath.row]; ingredientstableviewcontroller.ingredients = recipe.ingredients; [self showdetailviewcontroller:ingredientstableviewcontroller sender:self] }