1.新增一個UIViewController到storyBoard，並在此加上一個TextView及Button，原來的ViewController也加上一個Button來控制轉換Page的移動
2.從Page2的Button拉一個Segue到新的UIViewController
3. 新增一個Class檔來對應新的UIViewController
4. 修改新的UIViewController的 Class來對應到page2ViewController檔案
5. 註冊 storyBoard的元件到page2ViewController.h
6.在fileReadAppDelegate.h加上全域變數
#import <UIKit/UIKit.h>
@interface fileReadAppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@property (nonatomic, retain) NSMutableArray *globalData;
@end
7. 在fileReadAppDelegate.m加上全域變數的設定
@implementation fileReadAppDelegate
@synthesize globalData;
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// Override point for customization after application launch.
return YES;
}
8.在fileReadViewController.h加上Delegate
#import <UIKit/UIKit.h>
#import "fileReadAppDelegate.h"
@interface fileReadViewController : UIViewController
@property (weak, nonatomic) IBOutlet UITextView *textDisplay;
@property (weak, nonatomic) IBOutlet UIButton *readButton;
@property (nonatomic, retain) fileReadAppDelegate *appDelegate;
@end
9. 在fileReadViewController.m加上Delegate的設定
#import "fileReadViewController.h"
@interface fileReadViewController ()
@end
@implementation fileReadViewController
@synthesize textDisplay;
@synthesize readButton;
@synthesize appDelegate;
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
appDelegate = (fileReadAppDelegate *)[[UIApplication sharedApplication] delegate];
appDelegate.globalData = [[NSMutableArray alloc] init];
}
- (void)viewDidUnload
{
[self setTextDisplay:nil];
[self setReadButton:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}
- (IBAction)readFileAction:(id)sender {
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"txt"];
if (filePath) {
NSString *contentOfFile = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];
textDisplay.text = contentOfFile;
[appDelegate.globalData addObject:contentOfFile];
}
UIFont *font = [UIFont fontWithName:@"BiauKai" size:32];
[textDisplay setFont:[UIFont fontWithName:@"BiauKai" size:32]];
}
@end
10. 在page2ViewController.h增加Delegate的變數
#import <UIKit/UIKit.h>
#import "fileReadAppDelegate.h"
@interface page2ViewController : UIViewController
@property (weak, nonatomic) IBOutlet UITextView *textDisplay2;
@property (weak, nonatomic) IBOutlet UIButton *showButton;
@property (nonatomic, retain) fileReadAppDelegate *appDelegate;
@end
11. 在page2ViewController.m增加Delegate的設定，及全域變數的顯示設定。此處的IBAction要從storyBoard拉過來做聯結。
#import "page2ViewController.h"
@interface page2ViewController ()
@end
@implementation page2ViewController
@synthesize textDisplay2;
@synthesize showButton;
@synthesize appDelegate;
- (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)viewDidUnload
{
[self setTextDisplay2:nil];
[self setShowButton:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
- (IBAction)showResult:(id)sender {
appDelegate = (fileReadAppDelegate *)[[UIApplication sharedApplication] delegate];
NSString *data = [appDelegate.globalData objectAtIndex:0];
textDisplay2.text = data;
[textDisplay2 setFont:[UIFont fontWithName:@"BiauKai" size:28]];
}
@end
12.顯示結果如下，前後頁的字體大小稍稍不一樣。
