[Basic iOS control and basic ios Control

[Basic iOS control and basic ios Control
A. requirement 1. based on the LOL hero list, add the real-time modification feature to it. 2. use UIAlertView3. global reloadData4. partial refresh 1 // 2 // Hero. h 3 // LOLHero 4 // 5 // Created by hellovoidworld on 14/12/1. 6 // Copyright (c) 2014 hellovoidworld. all rights reserved. 7 // 8 9 # import <Foundation/Foundation. h> 10 11 @ interface Hero: NSObject12 13 @ property (nonatomic, copy) NSString * icon; 14 @ property (nonatomic, copy) NSString * intro; 15 @ property (nonatomic, copy) NSString * name; 16 17-(instancetype) initWithDictionary :( NSDictionary *) dictionary; 18 + (instancetype) heroWithDictionary :( NSDictionary *) dictionary; 19 + (instancetype) hero; 20 21 @ end 

1 // 2 // Hero. m 3 // LOLHero 4 // 5 // Created by hellovoidworld on 14/12/1. 6 // Copyright (c) 2014 hellovoidworld. all rights reserved. 7 // 8 9 # import "Hero. h "10 11 @ implementation Hero12 13-(instancetype) initWithDictionary :( NSDictionary *) dictionary {14 if (self = [super init]) {15 // self. icon = dictionary [@ "icon"]; 16 // self. intro = dictionary [@ "intro"]; 17 // self. name = dictionary [@ "name"]; 18 // use KVC19 [self setValuesForKeysWithDictionary: dictionary]; 20} 21 22 return self; 23} 24 25 + (instancetype) heroWithDictionary :( NSDictionary *) dictionary {26 return [[self alloc] initWithDictionary: dictionary]; 27} 28 29 + (instancetype) hero {30 return [self heroWithDictionary: nil]; 31} 32 33 @ end

 

1 // 2 // ViewController. m 3 // LOLHero 4 // 5 // Created by hellovoidworld on 14/12/1. 6 // Copyright (c) 2014 hellovoidworld. all rights reserved. 7 // 8 9 # import "ViewController. h "10 # import" Hero. h "11 12 // The row click event can be responded only when UITableViewDelegate is observed. The page Click Event is handled by UIAlertViewDelegate. 13 @ interface ViewController () <UITableViewDataSource, UITableViewDelegate, UIAlertViewDelegate> 14 15 // UITableView 16 @ property (weak, nonatomic) IBOutlet UITableView * tableView; 17 18 // All hero materials 19 @ property (nonatomic, strong) NSArray * heros; 20 21 @ end 22 23 @ implementation ViewController 24 25-(void) viewDidLoad {26 [super viewDidLoad]; 27 // Do any additional setup after loading the view, typically from a nib. 28 29 // set dataSource 30 self. tableView. dataSource = self; 31 32 // set the Row Height to 33 self. tableView. rowHeight = 60; 34 35 // set delegate 36 self. tableView. delegate = self; 37} 38 39-(void) didReceiveMemoryWarning {40 [super didReceiveMemoryWarning]; 41 // Dispose of any resources that can be recreated. 42} 43 44/** hide the status bar */45-(BOOL) prefersStatusBarHidden {46 return YES; 47} 48 49/** delayed loading of hero data */50-(NSArray *) heros {51 if (nil = _ heros) {52 NSArray * dictArray = [NSArray arrayWithContentsOfFile: [[NSBundle mainBundle] pathForResource: @ "heros. plist "ofType: nil]; 53 54 NSMutableArray * herosArray = [NSMutableArray array]; 55 for (NSDictionary * dict in dictArray) {56 Hero * hero = [Hero heroWithDictionary: dict]; 57 [herosArray addObject: hero]; 58} 59 60 _ heros = herosArray; 61} 62 63 return _ heros; 64} 65 66 # pragma mark-list method 67 68 // number of sections, default value: 1 69-(NSInteger) numberOfSectionsInTableView :( UITableView *) tableView {70 return 1; 71} 72 73 // The number of rows in a specific section 74-(NSInteger) tableView :( UITableView *) tableView numberOfRowsInSection :( NSInteger) section {75 return self. heros. count; 76} 77 78 79 // the content of a Specific Row is 80-(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *) indexPath {81 Hero * hero = self. heros [indexPath. row]; 82 83 // use static to modify local variables, ensure that only one bucket is allocated 84 static NSString * hereCellId = @ "hero"; 85 86 // use a specific Identifier, when Viewing from the cache pool, the appropriate cell exists 87 UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier: hereCellId]; 88 89 if (nil = cell) {90 // specify the identifier 91 cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleSubtitle reuseIdentifier: hereCellId] during creation; 92} 93 94 // Title 95 cell. textLabel. text = hero. name; 96 97 // subtitle 98 cell. detailTextLabel. text = hero. intro; 99 100 // icon 101 cell. imageView. image = [UIImage imageNamed: hero. icon]; 102 103 return cell; 104} 105 106 # pragma mark-RESPONSE event 107 108/** click to select a row */109-(void) tableView :( UITableView *) tableView didSelectRowAtIndexPath :( NSIndexPath *) indexPath {110 // get model111 Hero * hero = self. heros [indexPath. row]; 112 113 // pop-up window 114 UIAlertView * alertView = [[UIAlertView alloc] initWithTitle: @ "Modify hero name" message: nil delegate: nil cancelButtonTitle: @ "cancel" failed: @ "OK", nil]; 115 116 // set delegate. You can also specify 117 alertView In the init method. delegate = self; 118 119 // set the pop-up window style 120 alertView. alertViewStyle = UIAlertViewStylePlainTextInput; 121 122 // set the content of the pop-up window input box 123 [alertView textFieldAtIndex: 0]. text = hero. name; 124 125 // save index126 alertView. tag = indexPath. row; 127 128 // display the pop-up window 129 [alertView show]; 130} 131 132/** handle the pop-up window click "OK" button event */133-(void) alertView :( UIAlertView *) alertView clickedButtonAtIndex :( NSInteger) buttonIndex {134 // cancel 135 if (0 = buttonIndex) return; 136 137 // confirm 138 // Save the new name to model139 Hero * hero = self. heros [alertView. tag]; 140 hero. name = [alertView textFieldAtIndex: 0]. text; 141 142 // refresh data 143 // 1. global refresh 144 // [self. tableView reloadData]; 145 146 // 2. partial refresh 147 NSIndexPath * indexPath = [NSIndexPath indexPathForRow: alertView. tag inSection: 0]; 148 [self. tableView reloadRowsAtIndexPaths: [NSArray arrayWithObject: indexPath] withRowAnimation: UITableViewRowAnimationRight]; 149 150} 151 152 @ end