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我正在使用下面的代碼來填充表視圖與數據，它也被填充，但問題是，在滾動表視圖它得到掛起，並經過一段時間後，它滾動了一個短距離。 .h文件是從服務器加載數據表視圖掛起它
#import <UIKit/UIKit.h>
#import "JSON.h"
@interface HomeViewController : UIViewController <UITabBarControllerDelegate,UINavigationControllerDelegate,UIActionSheetDelegate,UIImagePickerControllerDelegate>
@property (strong, nonatomic) IBOutlet UINavigationBar *navigationBar;
@property (strong,nonatomic) IBOutlet UITableView *homeProfileTableview;
@property (nonatomic ,retain) UIImageView *clockImage;
@property (nonatomic,strong) UIImageView *ItemImage;
@property (nonatomic,strong) UIImageView *locationImage;
@property (nonatomic, retain) NSArray *Tableata;
@end
.m文件
#import "HomeViewController.h"
#import "CameraViewController.h"
#import "JSON.h"
#import "SBJsonParser.h"
@interface HomeViewController()
@end
@implementation HomeViewController
@synthesize homeProfileTableview,clockImage,Tableata,ItemImage,locationImage;
- (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.
self.tabBarController.delegate=self;
[self.navigationBar setBackgroundImage:[UIImage imageNamed:@"yellow_bar.png"] forBarMetrics:UIBarMetricsDefault];
[self.navigationBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor colorWithRed:0.0/255.0 green:0.0/255.0 blue:0.0/255.0 alpha:1.0], UITextAttributeTextColor,[UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1.0], UITextAttributeTextShadowColor,[NSValue valueWithUIOffset:UIOffsetMake(0, 1)], UITextAttributeTextShadowOffset,[UIFont fontWithName:@"Georgia-BoldItalic" size:25.0], UITextAttributeFont,nil]];
UIImage *image = [UIImage imageNamed:@"refresh.png"];
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setBackgroundImage:image forState:UIControlStateNormal];
button.frame = CGRectMake(0.0, 0.0, image.size.width, image.size.height);
[button addTarget:self action:@selector(refreshButtonTapped) forControlEvents:UIControlEventTouchUpInside];
UIView *buttonView = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height)];
[buttonView addSubview:button];
UIBarButtonItem *backItem = [[UIBarButtonItem alloc] initWithCustomView:buttonView];
[self.navigationBar.topItem setRightBarButtonItem:backItem];
// NSString *jsonString = [NSString
// stringWithContentsOfURL:[NSURL URLWithString:@"http://izisstechnology.com/garage/index.php?method=login&username=ashu&password=1234"]
// encoding:NSStringEncodingConversionAllowLossy
// error:nil];
NSString *jsonString = [NSString
stringWithContentsOfURL:[NSURL URLWithString:@"http://izisstechnology.com/garage/index.php?method=home&start=0"]
encoding:NSStringEncodingConversionAllowLossy
error:nil];
SBJsonParser *parser=[[SBJsonParser alloc]init];
NSDictionary *results=[parser objectWithString:jsonString ];
//NSDictionary *results = [parser objectWithString:jsonString error:nil];
//[parser release], parser = nil;
NSLog(@"%@",results);
// Set tableData
[self setTableata:[results objectForKey:@"new"]];
[super viewDidLoad];
}
- (void)refreshButtonTapped {
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (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 [Tableata count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"homeProfileTableIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] ;
}
NSDictionary *item = [Tableata objectAtIndex:[indexPath row]];
NSURL *url = [NSURL URLWithString:[item objectForKey:@"seller_image"]];
NSData *data = [[NSData alloc] initWithContentsOfURL:url];
UIImage *image = [[UIImage alloc] initWithData:data];
//clock image
CGRect imageFrame = CGRectMake(240,10, 20, 20);
self.clockImage = [[UIImageView alloc] initWithFrame:imageFrame];
self.clockImage.image = [UIImage imageNamed:@"clock.jpg"];
[cell.contentView addSubview:self.clockImage];
//location image
CGRect imageFrame1 = CGRectMake(80,20, 20, 20);
self.locationImage = [[UIImageView alloc] initWithFrame:imageFrame1];
self.locationImage.image = [UIImage imageNamed:@"location.jpg"];
[cell.contentView addSubview:self.locationImage];
//username
UILabel *username=[[UILabel alloc] initWithFrame:CGRectMake(80,0, 70, 20)];
username.text=[item objectForKey:@"seller_name"];
UIFont *myFont = [ UIFont fontWithName: @"futura" size: 18.0 ];
username.font = myFont;
[cell.contentView addSubview:username];
//user location
UILabel *userlocation=[[UILabel alloc] initWithFrame:CGRectMake(100,20, 70, 20)];
userlocation.text=[item objectForKey:@"prod_country"];
UIFont *myFont2 = [ UIFont fontWithName: @"futura" size: 18.0 ];
userlocation.font = myFont2;
[cell.contentView addSubview:userlocation];
//item image
NSURL *url1 = [NSURL URLWithString:[item objectForKey:@"item_image1"]];
NSData *data1 = [[NSData alloc] initWithContentsOfURL:url1];
UIImage *image1 = [[UIImage alloc] initWithData:data1];
CGRect imageFrame2 = CGRectMake(20,40, 280, 320);
self.ItemImage = [[UIImageView alloc] initWithFrame:imageFrame2] ;
self.ItemImage.image = image1;
[cell.contentView addSubview:self.ItemImage];
UIButton *playButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
playButton.frame = CGRectMake(20, 5, 30, 30);
[playButton setTitle:@"" forState:UIControlStateNormal];
playButton.backgroundColor = [UIColor clearColor];
[playButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal ];
UIImage *buttonImageNormal = image;
UIImage *strechableButtonImageNormal = [buttonImageNormal stretchableImageWithLeftCapWidth:12 topCapHeight:0];
[playButton setBackgroundImage:strechableButtonImageNormal forState:UIControlStateNormal];
[cell.contentView addSubview:playButton];
return cell;
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 380;
}
- (void)viewDidUnload {
[self setNavigationBar:nil];
[super viewDidUnload];
}
- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController
{
if ([viewController isKindOfClass:[CameraViewController class]]) {
UIActionSheet *actionSheet = [[UIActionSheet alloc]
initWithTitle:@"Choose Source Type?"
delegate:self
cancelButtonTitle:@"Cancel"
destructiveButtonTitle:nil
otherButtonTitles:@"Select From Library", @"Capture From Camera", nil];
[actionSheet showFromTabBar:tabBarController.tabBar];
return NO;
}
return YES;
}
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
switch (buttonIndex) {
case 0:
{
CameraViewController *cameraViewController=[self.tabBarController.viewControllers objectAtIndex:2];
if (!cameraViewController.imagePicker) {
cameraViewController.imagePicker =[[UIImagePickerController alloc] init];
cameraViewController.imagePicker.allowsEditing = YES;
}
cameraViewController.imagePicker.delegate=self;
cameraViewController.imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentViewController:cameraViewController.imagePicker
animated:YES completion:nil];
}
break;
case 1:
{
CameraViewController *cameraViewController=[self.tabBarController.viewControllers objectAtIndex:2];
if (!cameraViewController.imagePicker) {
cameraViewController.imagePicker =[[UIImagePickerController alloc] init];
cameraViewController.imagePicker.allowsEditing = YES;
}
if ([UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypeCamera])
{
cameraViewController.imagePicker.delegate=self;
cameraViewController.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
[self presentViewController:cameraViewController.imagePicker
animated:YES completion:nil];
}
}
break;
case 2:
[self dismissViewControllerAnimated:YES completion:nil];
break;
default:
break;
}
}
-(void)imagePickerController:
(UIImagePickerController *)picker
didFinishPickingMediaWithInfo:(NSDictionary *)info
{
CameraViewController *cameraViewController=[self.tabBarController.viewControllers objectAtIndex:2];
cameraViewController.imageSelected=nil;
UIImage *image = info[UIImagePickerControllerEditedImage];
cameraViewController.imageSelected=image;
cameraViewController.imagePicker.delegate=cameraViewController;
[self dismissViewControllerAnimated:YES completion:nil];
self.tabBarController.selectedViewController=cameraViewController;
}
-(void)imagePickerControllerDidCancel:
(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
@end