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POdidSelectRowAtIndexPath get called just once
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  1. POdidSelectRowAtIndexPath get called just once
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    copied!<p>i have two view controllers, FirstViewController and DetailViewController, switch back and forth. </p> <p>in didSelectRowAtIndexPath method ---> updateRowNumber:indexPath.row, i pass the selected row number to DetailViewController. </p> <p>the first time, it worked, FirstViewController can pass the selected row to DetailedViewController, after switch back and forth, it still get the last selected row.</p> <p>anyone knows what i missed?</p> <pre><code>#import "FirstViewController.h" #import "AppDelegate.h" #import "DetailViewController.h" #import "PartyListCustomViewCell.h" @interface FirstViewController () @end @implementation FirstViewController @synthesize dvController; // it is a DetailViewController - (void) viewDidLoad { contentArray = [[NSArray arrayWithObjects:@"heyun", @"wushi", @"ios", nil]retain]; [super viewDidLoad]; } - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void) dealloc { [dvController release]; [super dealloc]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear: animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear: animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear: animated]; } - (void)viewDisDisappear:(BOOL)animated { [super viewDidDisappear: animated]; } - (NSInteger)numberOfSectionsInTableView: (UITableView *)tableView { return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [contentArray count]; } // custom row height - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { // dynamic with whether the cell has the party image or not.. return 160; } // Customize the appearance of table view cells - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath: (NSIndexPath *)indexPath { static NSString *CellIdentifier = @"PartyListCustomCell"; PartyListCustomViewCell *plcc = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if(plcc == nil) { plcc = [[[PartyListCustomViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } // set up custom cell plcc.partyTitle.text = @"partyTitle"; return plcc; } - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if (dvController == nil) { DetailViewController *aController = [[DetailViewController alloc] initWithNibName:@"DetailViewController" bundle:nil]; self.dvController = aController; [aController release]; } [dvController updateRowNumber:indexPath.row]; [[self navigationController] pushViewController:dvController animated:YES]; } @end #import "DetailViewController.h" @interface DetailViewController () @end @implementation DetailViewController @synthesize rowNumber; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void) updateRowNumber: (int) theindex { rowNumber = theindex + 1; } - (void)dealloc { [super dealloc]; } - (void)viewDidLoad { UILabel *label1 = [[UILabel alloc]initWithFrame:CGRectMake(50.0, 20.0, 200.0, 50.0)]; label1.text = [NSString stringWithFormat:@"row %i was clicked ", rowNumber]; [self.view addSubview: label1]; [super viewDidLoad]; [label1 release]; // Do any additional setup after loading the view from its nib. } - (void)viewDidUnload { [super viewDidUnload]; // Do any additional setup after loading the view from its nib. } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear: animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear: animated]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end </code></pre>
 

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