how to pass the NSMutableArray to UITableView - ios

Question

data values i have one text filed and two buttons.One button is save,second button is show.
when click save button data will be Stored in Core-Data and then i click Show button data will be displayed on Console. It gone nice.
But now i want when Click show button data will be displayed on UITableView So Please Give me any idea
Thanks in advanced,
this is my code:-
#import "SetViewController.h"
#import "AppDelegate.h"
#interface SetViewController ()
{
NSMutableArray *array;
}
#end
#implementation SetViewController
#synthesize textField;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)save:(id)sender {
AppDelegate *appD=(AppDelegate *) [[UIApplication sharedApplication]delegate];
NSEntityDescription *entit=[NSEntityDescription insertNewObjectForEntityForName:#"Team" inManagedObjectContext:appD.managedObjectContext];
[entit setValue:textField.text forKey:#"fname"];
NSError *error;
BOOL isSaved=[appD.managedObjectContext save:&error];
NSLog(#"succesfully saved flag: %d",isSaved);
}
- (IBAction)show:(id)sender {
AppDelegate *appDelegat=(AppDelegate*)[[UIApplication sharedApplication]delegate];
NSEntityDescription *entity=[NSEntityDescription entityForName:#"Team" inManagedObjectContext:appDelegat.managedObjectContext];
NSFetchRequest *fetchRr = [[NSFetchRequest alloc]init];
[fetchRr setEntity:entity];
array=[[appDelegat.managedObjectContext executeFetchRequest:fetchRr error:nil]mutableCopy];
NSLog(#"array %#",array);
for (NSManagedObject *obj in array) {
NSLog(#"Name :%#\n",[obj valueForKey:#"fname"]);
}
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[textField resignFirstResponder];
return YES;
}
#end
i am tried like this :-
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([segue.identifier isEqualToString:#"ShowData"])
{
ShowViewController *destViewController = segue.destinationViewController;
destViewController.second = [[array valueForKey:#"fname"] componentsJoinedByString(angry)" , "];
NSLog(#" got data for array %#",destViewController.second);
}
}
ShowViewController.h:-
#import <UIKit/UIKit.h>
#import "SetViewController.h"
#interface ShowViewController : UITableViewController<UITableViewDelegate,UITableViewDataSource>
#property (nonatomic, strong) NSString *second;
#end
ShowViewController.m:-
import "ShowViewController.h"
#interface ShowViewController ()
{
NSMutableArray *acess;
}
#end
#implementation ShowViewController
#synthesize second;
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
acess =[second componentsSeparatedByString:#", "];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [acess count];
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (!cell)
{
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] ;
}
cell.textLabel.text = [acess objectAtIndex:indexPath.row];
return cell;
}
ShowViewController is UITableView.When Click UItableView is open but data will be not Displayed So Please give me any idea

Answer 1

Follow following steps and also read programming guide of UITableview provided by apple:
After getting the array just reload your table view.
Make number of rows = array count.
Customize the cell as per your need.

Answer 2

If you only declared the array as per you shown in code then you must need to initialise it in view did load like this:
array=[NSMutablearray array];
after that get the values from db and stored in array an use UITable view delegate and datasource methods.

Answer 3

First declare your array in your viewDidload() method.
- (void)viewDidLoad
{
yourArray=[[NSArray alloc]initWithObjects:Obj1,obj2,obj3,obj4,obj5, nil];
}
and then use tableview delegate methods. to set array data to tableview.
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
// Return the number of rows in the section.
return [yourArray count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Cell" forIndexPath:indexPath];
// Configure the cell...
if (cell == nil)
{
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:#"Cell"];
}
cell.textLabel.text=[yourArray objectAtIndex:indexPath.row];
return cell;
}

Answer 4

If you already have an NSArray that contains your strings, there is no need to go through the whole componentsJoinedByString/componentsSeparatedByString - you can just pass the array to your second view controller.
Accessing the passed data in viewDidLoad won't work though because when you set the property in prepareForSegue the view has already loaded.
Your prepareForSegue should be -
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([segue.identifier isEqualToString:#"ShowData"])
{
ShowViewController *destViewController = (ShowViewController *)segue.destinationViewController;
destViewController.fnames = [array valueForKey:#"fname"];
}
}
In your .h file for ShowViewController declare a property to receive frames -
#property (strong,nonatomic) NSArray *fnames;
Then your table data source methods will be -
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [self.fnames count];
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] ;
}
cell.textLabel.text = [self.fnames objectAtIndex:indexPath.row];
return cell;
}