#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @end
#import "AppDelegate.h" #import "RootViewController.h" @interface AppDelegate () @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. self.window.backgroundColor = [UIColor whiteColor]; UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:[[RootViewController alloc] init]]; self.window.rootViewController = navi; [self.window makeKeyAndVisible]; return YES; } @end
#import <UIKit/UIKit.h> #import "TPKeyboardAvoidingScrollView.h" @interface RootViewController : UIViewController @property(nonatomic, assign) NSInteger id; //@property(nonatomic, copy) NSString *name;//姓名 //@property(nonatomic, copy) NSString *bankAccount;//银行账号 //@property(nonatomic, copy) NSString *bankName;// 开户的银行 @property(nonatomic, strong) TPKeyboardAvoidingScrollView *backgroundView;//背景图 @end
#import "RootViewController.h" #define WIDTH [UIScreen mainScreen].bounds.size.width #define TAG 10000 #define topHeight 20 @interface RootViewController () { UIImageView *lineView; } @end @implementation RootViewController - (void)viewDidLoad { [super viewDidLoad]; //适配ios7 if([UIDevice currentDevice].systemVersion.floatValue >= 7.0) { self.edgesForExtendedLayout = UIRectEdgeNone; self.extendedLayoutIncludesOpaqueBars = NO; self.modalPresentationCapturesStatusBarAppearance = NO; } self.title = @"绑定银行卡"; _backgroundView = [[TPKeyboardAvoidingScrollView alloc] initWithFrame:CGRectMake(0, 0, WIDTH, [UIScreen mainScreen].bounds.size.height - 64)]; // _backgroundView.backgroundColor = [UIColor orangeColor]; [self.view addSubview:_backgroundView]; //初始化label [self setupLable:CGRectMake(0, topHeight, 90, 30) title:@"开户银行:"]; [self setupLable:CGRectMake(0, topHeight+40, 90, 30) title:@"开户归属地:"]; [self setupLable:CGRectMake(0, topHeight+80, 90, 30) title:@"姓 名:"]; [self setupLable:CGRectMake(0, topHeight+120, 90, 30) title:@"账 号:"]; [self setupLable:CGRectMake(0, topHeight+160, 90, 30) title:@"验证码:"]; //初始化银行类型textField [self setupTextField:CGRectMake(95, topHeight, (WIDTH - 5)-95, 30) placeholder:@"请输入银行类型" index:1]; //初始化省份textField UITextField *provinceTF = [self setupTextField:CGRectMake(95, topHeight+40,(WIDTH - 5 - (14+6) - 95)/2.0, 30) placeholder:@"请输入省份" index:2]; //小细线 lineView = [[UIImageView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(provinceTF.frame)+3, CGRectGetMidY(provinceTF.frame), 14, 1)]; lineView.backgroundColor = [UIColor lightGrayColor]; [self.backgroundView addSubview:lineView]; //初始化地级市textField [self setupTextField:CGRectMake(CGRectGetMaxX(lineView.frame)+3, topHeight+40, (WIDTH - 5 - (14+6) - 95)/2.0, 30) placeholder:@"请输入地级市" index:3]; //初始化姓名textField [self setupTextField:CGRectMake(95, topHeight+80, (WIDTH - 5)-95, 30) placeholder:@"请输入姓名" index:4]; //初始化银行账号textField [self setupTextField:CGRectMake(95, topHeight+120, (WIDTH - 5)-95, 30) placeholder:@"请输入银行账号" index:5]; //初始化验证码textField(100是获取验证码按钮的宽度) UITextField *securityCodeTF = [self setupTextField:CGRectMake(95, topHeight+160, (WIDTH - 5)-95 - 100 - 5, 30) placeholder:@"验证码" index:6]; //初始化确定按钮 [self setupButton:CGRectMake((WIDTH - 200)/2.0,CGRectGetMaxY(securityCodeTF.frame)+15 /*_backgroundView.frame.size.height - 30*/, 200, 30) title:@"确定" image:@"确定按钮.png" selector:@selector(makeSureAction:)]; //初始化获取验证码按钮 [self setupButton:CGRectMake(CGRectGetMaxX(securityCodeTF.frame)+5 , topHeight+160, 100, 30) title:@"获取验证码" image:@"矩形-2.png" selector:@selector(getSecurityCode:)]; } /** * 获取验证码 */ - (void)getSecurityCode:(UIButton *)sender{ NSLog(@"获取验证码操作"); } // 点击确定按钮，提交数据 - (void)makeSureAction:(UIButton *)sender{ NSLog(@"提交前需要判断"); } /** * 初始化button */ - (void)setupButton:(CGRect)frame title:(NSString *)title image:(NSString *)imageName selector:(SEL)selectorName{ UIButton *securityCode = [UIButton buttonWithType:UIButtonTypeCustom]; securityCode.frame = frame; securityCode.layer.cornerRadius = 5.2; [securityCode setTitle:title forState:0]; securityCode.clipsToBounds = YES; securityCode.titleLabel.font = [UIFont systemFontOfSize:15]; [securityCode setBackgroundImage:[UIImage imageNamed:imageName] forState:0]; [securityCode addTarget:self action:selectorName forControlEvents:UIControlEventTouchUpInside]; [self.backgroundView addSubview:securityCode]; } /** * 初始化UITextField */ - (UITextField *)setupTextField:(CGRect)frame placeholder:(NSString *)context index:(NSInteger)tag{ UITextField *tf = [[UITextField alloc] initWithFrame:frame]; tf.font = [UIFont systemFontOfSize:13]; tf.placeholder = context; tf.tag = TAG + tag; tf.borderStyle = UITextBorderStyleRoundedRect; [self.backgroundView addSubview:tf]; return tf; } /** * 初始化UILabel */ - (void)setupLable:(CGRect)frame title:(NSString*)content{ UILabel *label = [[UILabel alloc] initWithFrame:frame]; label.text = content; label.font = [UIFont systemFontOfSize:15]; label.textAlignment = NSTextAlignmentRight; [self.backgroundView addSubview:label]; } - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)even{ [self.view endEditing:YES]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } @end
/** * 第三方框架（TPKeyboardAvoiding）的代码 */ #import <UIKit/UIKit.h> @interface TPKeyboardAvoidingScrollView : UIScrollView{ UIEdgeInsets _priorInset; BOOL _priorInsetSaved; BOOL _keyboardVisible; CGRect _keyboardRect; CGSize _originalContentSize; } - (void)adjustOffsetToIdealIfNeeded; @end
/** * 第三方框架（TPKeyboardAvoiding）的代码 */ #import "TPKeyboardAvoidingScrollView.h" #define _UIKeyboardFrameEndUserInfoKey (&UIKeyboardFrameEndUserInfoKey != NULL ? UIKeyboardFrameEndUserInfoKey : @"UIKeyboardBoundsUserInfoKey") #define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width #define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height @interface TPKeyboardAvoidingScrollView () - (UIView*)findFirstResponderBeneathView:(UIView*)view; - (UIEdgeInsets)contentInsetForKeyboard; - (CGFloat)idealOffsetForView:(UIView *)view withSpace:(CGFloat)space; - (CGRect)keyboardRect; @end @implementation TPKeyboardAvoidingScrollView - (void)setup { _priorInsetSaved = NO; if ( CGSizeEqualToSize(self.contentSize, CGSizeZero) ) { self.contentSize = self.bounds.size; } [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; } -(id)initWithFrame:(CGRect)frame { if ( !(self = [super initWithFrame:frame]) ) return nil; [self setup]; return self; } -(void)awakeFromNib { [self setup]; } -(void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; [super dealloc]; } -(void)setFrame:(CGRect)frame { [super setFrame:frame]; CGSize contentSize = _originalContentSize; contentSize.width = MAX(contentSize.width, SCREEN_WIDTH); contentSize.height = MAX(contentSize.height, SCREEN_HEIGHT-64); [super setContentSize:contentSize]; if ( _keyboardVisible ) { self.contentInset = [self contentInsetForKeyboard]; } } -(void)setContentSize:(CGSize)contentSize { _originalContentSize = contentSize; contentSize.width = MAX(contentSize.width, contentSize.width); contentSize.height = MAX(contentSize.height, contentSize.height); [super setContentSize:contentSize]; if ( _keyboardVisible ) { self.contentInset = [self contentInsetForKeyboard]; } } - (void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { [[self findFirstResponderBeneathView:self] resignFirstResponder]; [super touchesEnded:touches withEvent:event]; } - (void)keyboardWillShow:(NSNotification*)notification { _keyboardRect = [[[notification userInfo] objectForKey:_UIKeyboardFrameEndUserInfoKey] CGRectValue]; _keyboardVisible = YES; UIView *firstResponder = [self findFirstResponderBeneathView:self]; if ( !firstResponder ) { // No child view is the first responder - nothing to do here return; } if (!_priorInsetSaved) { _priorInset = self.contentInset; _priorInsetSaved = YES; } // Shrink view's inset by the keyboard's height, and scroll to show the text field/view being edited [UIView beginAnimations:nil context:NULL]; [UIView setAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]]; [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]]; self.contentInset = [self contentInsetForKeyboard]; [self setContentOffset:CGPointMake(self.contentOffset.x, [self idealOffsetForView:firstResponder withSpace:[self keyboardRect].origin.y - self.bounds.origin.y]) animated:YES]; [UIView commitAnimations]; } - (void)keyboardWillHide:(NSNotification*)notification { _keyboardRect = CGRectZero; _keyboardVisible = NO; // Restore dimensions to prior size [UIView beginAnimations:nil context:NULL]; [UIView setAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]]; [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue]]; self.contentInset = _priorInset; _priorInsetSaved = NO; [UIView commitAnimations]; } - (UIView*)findFirstResponderBeneathView:(UIView*)view { // Search recursively for first responder for ( UIView *childView in view.subviews ) { if ( [childView respondsToSelector:@selector(isFirstResponder)] && [childView isFirstResponder] ) return childView; UIView *result = [self findFirstResponderBeneathView:childView]; if ( result ) return result; } return nil; } - (UIEdgeInsets)contentInsetForKeyboard { UIEdgeInsets newInset = self.contentInset; CGRect keyboardRect = [self keyboardRect]; newInset.bottom = keyboardRect.size.height - ((keyboardRect.origin.y+keyboardRect.size.height) - (self.bounds.origin.y+self.bounds.size.height)); return newInset; } -(CGFloat)idealOffsetForView:(UIView *)view withSpace:(CGFloat)space { // Convert the rect to get the view's distance from the top of the scrollView. CGRect rect = [view convertRect:view.bounds toView:self]; // Set starting offset to that point CGFloat offset = rect.origin.y; if ( self.contentSize.height - offset < space ) { // Scroll to the bottom offset = self.contentSize.height - space; } else { if ( view.bounds.size.height < space ) { // Center vertically if there's room offset -= floor((space-view.bounds.size.height)/2.0); } if ( offset + space > self.contentSize.height ) { // Clamp to content size offset = self.contentSize.height - space; } } if (offset < 0) offset = 0; return offset; } -(void)adjustOffsetToIdealIfNeeded { // Only do this if the keyboard is already visible if ( !_keyboardVisible ) return; CGFloat visibleSpace = self.bounds.size.height - self.contentInset.top - self.contentInset.bottom; CGPoint idealOffset = CGPointMake(0, [self idealOffsetForView:[self findFirstResponderBeneathView:self] withSpace:visibleSpace]); [self setContentOffset:idealOffset animated:YES]; } - (CGRect)keyboardRect { CGRect keyboardRect = [self convertRect:_keyboardRect fromView:nil]; if ( keyboardRect.origin.y == 0 ) { CGRect screenBounds = [self convertRect:[UIScreen mainScreen].bounds fromView:nil]; keyboardRect.origin = CGPointMake(0, screenBounds.size.height - keyboardRect.size.height); } return keyboardRect; } /* // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect { // Drawing code } */ @end