StateRestoreChildViews/Child1ViewController.m
/* |
File: Child1ViewController.m |
Abstract: Child view controller #1, embedded to its parent |
Version: 1.1 |
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*/ |
#import "Child1ViewController.h" |
#import "ParentViewController.h" |
#define kSavedParent @"savedParentForChild1" |
#define kEditFieldRestoreID @"textField" |
@interface Child1ViewController () |
@property (nonatomic, strong) IBOutlet UITextField *textField; |
@end |
@implementation Child1ViewController |
// encodeRestorableStateWithCoder is called when the app is suspended to the background |
- (void)encodeRestorableStateWithCoder:(NSCoder *)coder |
{ |
NSLog(@"Child1ViewController: encodeRestorableStateWithCoder"); |
[coder encodeObject:self.textField.text forKey:kEditFieldRestoreID]; |
[super encodeRestorableStateWithCoder:coder]; |
} |
// decodeRestorableStateWithCoder is called when the app is re-launched |
- (void)decodeRestorableStateWithCoder:(NSCoder *)coder |
{ |
// important: don't affect our views just yet, we might be not visible or we aren't the current |
// view controller, save off our ivars and restore our text view in viewWillAppear |
// |
NSLog(@"Child1ViewController: decodeRestorableStateWithCoder"); |
self.textField.text = [coder decodeObjectForKey:kEditFieldRestoreID]; |
[super decodeRestorableStateWithCoder:coder]; |
} |
#pragma mark - UITextFieldDelegate |
- (BOOL)textFieldShouldReturn:(UITextField *)textField |
{ |
[textField resignFirstResponder]; |
return YES; |
} |
@end |
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