IOS_22 custom keyboard Toolbar

IOS_22 custom keyboard Toolbar

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KeyboardTool. xib

KeyboardTool. h

// KeyboardTool. h // keyboard processing // Created by beyond on 14-8-24. // Copyright (c) 2014 com. beyond. All rights reserved. # import
  
   
@ Protocol KeyboardToolDelegate; typedef enum {kKeyboardToolButtonTypeNext, // next button, // The previous button kKeyboardToolButtonTypeDone // completion button} KeyboardToolButtonType; @ interface KeyboardTool: UIToolbar // The previous button control @ property (nonatomic, weak) IBOutlet UIBarButtonItem * previusbtn; // The Next button control @ property (nonatomic, weak) IBOutlet UIBarButtonItem * nextBtn; // complete the button control @ property (nonatomic, weak) IBOutlet UIBarButtonItem * doneBtn; // The proxy generally uses weak and avoids conflict with the default inherited delegate @ property (nonatomic, weak) id
   
    
ToolDelegate; // The class method returns an Instance Object + (id) keyboardTool; // listens to the Click Event of the three buttons on the toolbar-(IBAction) previusbtnclicked;-(IBAction) nextBtnClicked; -(IBAction) doneBtnClicked; @ end
   
  

KeyboardTool. m

// KeyboardTool. m // keyboard processing // Created by beyond on 14-8-24. // Copyright (c) 2014 com. beyond. all rights reserved. # import "KeyboardTool. h "# import" KeyboardToolDelegate. h "@ implementation KeyboardTool // class method, initialize a KeyboardTool + (id) from the xib File) keyboardTool {// The owner can upload the KeyboardTool class. // when you click the "next" button, call the next method of the owner NSArray * array = [[NSBundle mainBundle] loadNibNamed: @ "keyboardTool" owner: nil options: nil]; // return the initialized KeyboardTool object return array [0];} # pragma mark-Click Event // click the previous button-(void) previusbtnclicked {if ([_ toolDelegate respondsToSelector: @ selector (keyboardTool: buttonType :)]) {// tell the proxy that the previous button [_ toolDelegate keyboardTool: self buttonType: kKeyboardToolButtonTypePrevious] is clicked;} // click the next button-(void) nextBtnClicked {if ([_ toolDelegate respondsToSelector: @ selector (keyboardTool: buttonType :)]) {// tell the proxy that the next button [_ toolDelegate keyboardTool: self buttonType: kKeyboardToolButtonTypeNext] ;}// click the finish button-(void) doneBtnClicked {if ([_ toolDelegate respondsToSelector: @ selector (keyboardTool: buttonType :)]) {// tell the proxy, click the finish button [_ toolDelegate keyboardTool: self buttonType: kKeyboardToolButtonTypeDone]; }}@ end

KeyboardToolDelegate. h

/// KeyboardToolDelegate. h // 22_keyboard case /// Created by beyond on 14-8-24. // Copyright (c) 2014 com. beyond. all rights reserved. // # import
  
   
@ Class KeyboardTool; @ protocol KeyboardToolDelegate
   
    
-(Void) keyboardTool :( KeyboardTool *) tool buttonType :( KeyboardToolButtonType) type; @ end
   
  

BeyondViewController. h

//// BeyondViewController. h // 22_keyboard case /// Created by beyond on 14-8-24. // Copyright (c) 2014 com. beyond. all rights reserved. // # import
  
   
# Import "KeyboardTool. h" # import "KeyboardToolDelegate. h" @ interface BeyondViewController: UIViewController
   
    
// Birthday input box @ property (weak, nonatomic) IBOutlet UITextField * birthdayTextField; // city input box @ property (weak, nonatomic) IBOutlet UITextField * cityTextField; @ end
   
  

BeyondViewController. m

//// BeyondViewController. m // 22_keyboard case /// Created by beyond on 14-8-24. // Copyright (c) 2014 com. beyond. all rights reserved. // # import "BeyondViewController. h "@ interface BeyondViewController () // All provincial arrays @ property (nonatomic, strong) NSArray * provinceNameArr; // dictionary: an array composed of province name key --- value city names @ property (nonatomic, strong) NSDictionary * provinceName_cities_Dict; // input box of the active State currently activated @ property (nonatomic, weak) UITextField * currentTextField; // toolbar @ property (nonatomic, weak) KeyboardTool * tool on the keyboard; // an array composed of all input box controls @ property (nonatomic, strong) NSMutableArray * allTextFields; @ end @ implementation BeyondViewController-(void) viewDidLoad {[super viewDidLoad]; self. allTextFields = [NSMutableArray array]; // class method, instantiate a KeyboardTool object self. tool = [KeyboardTool keyboardTool]; self. tool. backgroundColor = [UIColor cle ArColor]; self. tool. barTintColor = [UIColor lightGrayColor]; // set the proxy of the keyboard tool to the current controller, which is used to receive btn click events and perceive btnType self. tool. toolDelegate = self; // 1. set the keyboard Toolbar of all text boxes to custom KeyboardTool for (UITextField * field in self. view. subviews) {// if it is not a text input box, continue if (! [Field isKindOfClass: [UITextField class]) continue; // The keyboard tool of each text input box is it... field. inputAccessoryView = self. tool; // array to save all text input box controls, followed by [self. allTextFields addObject: field]; // sets the proxy of each text input box to be the current controller field. delegate = self;} // 2. set the keyboard to DatePicker [self setInputViewForBirthdayTextField]; // 3. set the keyboard to DatePicker [self setInputViewForCityTextField]; // 4. load all data [self loadAllData];} // 2. input for birthday Box, set the keyboard to DatePicker-(void) setInputViewForBirthdayTextField {// set the keyboard for the birthday (no width or height or location required) UIDatePicker * datePicker = [[UIDatePicker alloc] init]; // set the region to Chinese Simplified Chinese datePicker. locale = [[NSLocale alloc] initWithLocaleIdentifier: @ "zh_CN"]; // The mode is: only the date datePicker is displayed. datePickerMode = UIDatePickerModeDate; // listens to the datePicker value change event [datePicker addTarget: self action: @ selector (datePickerValueChangeed :) forControlEvents: UIC OntrolEventValueChanged]; // set it to view self in the birthday input box. birthdayTextField. inputView = datePicker;} // 3. set the keyboard to DatePicker-(void) setInputViewForCityTextField {// set the city keyboard UIPickerView * picker = [[UIPickerView alloc] init]; // set the data source and proxy picker. dataSource = self; picker. delegate = self; // Display Indicator picker. showsSelectionIndicator = YES; // set it to view self in the city input box. cityTextField. inputView = picker;} // 4. load all data -( Void) loadAllData {// load the province data NSDictionary * dict = [NSDictionary dictionaryWithContentsOfFile: [[NSBundle mainBundle] pathForResource: @ "cities" ofType: @ "plist"]; // All arrays self. provinceNameArr = dict [@ "provinces"]; // dictionary. The key is a province name and the value is an array of city names self. provinceName_cities_Dict = dict [@ "cities"];} // 2.1 listen to the event of changing the value of the birthday Selection control, assign a value to the birthday input box-(void) datePickerValueChangeed :( UIDatePicker *) picker {NSDateFormatter * formatter = [[NSDateFormatter alloc] init]; formatter. dateFormat = @ "yyyy-MM-dd"; // value self in the birthday input box. birthdayTextField. text = [formatter stringFromDate: picker. date] ;}# pragma mark-PickerView data source method // total number of columns-(NSInteger) numberOfComponentsInPickerView :( UIPickerView *) pickerView {// The first column is named by province, the second column is the province-specific city array return 2;} // The number of rows in each column-(NSInteger) pickerView :( UIPickerView *) pickerView numberOfRowsInComponent :( NSInteger) compon Ent {if (component = 0) {// return the return self. provinceNameArr. count;} else {// return the row number NSUInteger rowNum = [pickerView selectedRowInComponent: 0] currently selected in column 1st; // first from the province name array, retrieve the corresponding provincial name NSString * pName = self. provinceNameArr [rowNum]; // obtain the city array by name in the dictionary, and return the length of NSArray * cityArr = self. provinceName_cities_Dict [pName]; return cityArr. count ;}}// what data is displayed per row in each column-(NSString *) pickerView :( UIPickerView *) pickerView TitleForRow :( NSInteger) row forComponent :( NSInteger) component {if (component = 0) {// The previous column shows the province name return self. provinceNameArr [row];} else {// returns the currently selected row number of column 1st NSUInteger rowNum = [pickerView selectedRowInComponent: 0]; // first from the province name array, retrieve the corresponding provincial name NSString * pName = self. provinceNameArr [rowNum]; // obtain the city array by name in the dictionary, and return the length of NSArray * cityArr = self. provinceName_cities_Dict [pName]; return cityArr [row] ;}// UIPickerVi When a row is selected, ew calls-(void) pickerView :( UIPickerView *) pickerView didSelectRow :( NSInteger) row inComponent :( NSInteger) component {// refresh the data in the next column, association result [pickerView reloadComponent: 1]; NSUInteger pRowNum = [pickerView selectedRowInComponent: 0]; // obtain the corresponding provincial name NSString * pName = self from the provincial name array first. provinceNameArr [pRowNum]; NSUInteger cRowNum = [pickerView selectedRowInComponent: 1]; // retrieve the city array by name in the dictionary, and return the corresponding city name NSArray * cit YArr = self. provinceName_cities_Dict [pName]; NSString * cName = cityArr [cRowNum]; // value self in the city input box. cityTextField. text = [NSString stringWithFormat: @ "% @", pName, cName] ;}# pragma mark-key !!!!!!!! KeyboardTool proxy method-(void) keyboardTool :( KeyboardTool *) tool buttonType :( KeyboardToolButtonType) type {if (type = kKeyboardToolButtonTypeDone) {// The input box of the current activity when you click Finish, cancel the first responder and exit the keyboard [self. currentTextField resignFirstResponder];} else {// retrieves the index of the current input box in the input box array, NSUInteger index = [self. allTextFields indexOfObject: self. currentTextField]; if (type = kKeyboardToolButtonTypePrevious) {// when you click the previous one, the index minus 1, index --;} el Se {// when you click Next, the index is added with 1, index ++;} // retrieves the input box of the corresponding index to become the first responder, call up the corresponding keyboard UITextField * field = self. allTextFields [index]; [field becomeFirstResponder] ;}# pragma mark-key point !!!!!!! UITextField proxy method-(void) textFieldDidBeginEditing :( UITextField *) textField {// remember the activated text box. self is used in keyboardTool: buttonClick: In other methods. currentTextField = textField; // obtain the index NSUInteger index = [self. allTextFields indexOfObject: textField]; // you can specify whether the next button is available. tool. nextBtn. enabled = index! = Self. allTextFields. count-1; // you can specify whether self. tool. previusbtn. enabled = index! = 0;} // This Is A delegate method of UITextField! // With This delegate, when we open the keyboard, click return to close the keyboard-(BOOL) textFieldShouldReturn :( UITextField *) textField {// End All edits and exit all keyboards, if YES is returned, [self. view endEditing: YES]; return YES;} @ end

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