一个AppleWatch计算器的设计解析

首先 大家知道怎么去搞这个模拟器吧。
去官网下载Xcode 6.2.x 然后呢 新建项目 在target里边新建一个AppleWatch就行。
在里边的interface去改设计 就像一个小的storyboard 然后去上边的类里边进行操作就行了。。。。。 今天看到一个计算器 所以给大家看看如此的简单


就这个效果 然后大家看一下代码还有storyboard的设计

屏幕快照 2015-01-21 上午12.12.07.png

很简单吧、 简简单的button label

然后看代码 .h

 
 
import 
 
 
import 
 
 
@interface InterfaceController : WKInterfaceController
 
 
@property (weak, nonatomic) IBOutlet WKInterfaceLabel *resultLabel;
 
 
 
  
(IBAction)divide;
 
  
(IBAction)multiply;
 
  
(IBAction)subtract;
 
  
(IBAction)sum;
 
  
(IBAction)decimal;
 
  
(IBAction)result;
 
  
(IBAction)zero;
 
  
(IBAction)one;
 
  
(IBAction)two;
 
  
(IBAction)three;
 
  
(IBAction)four;
 
  
(IBAction)five;
 
  
(IBAction)six;
 
  
(IBAction)seven;
 
  
(IBAction)eight;
 
  
(IBAction)nine;
 
  
(IBAction)clearScreen;
 
  
(IBAction)removeLastDigit;
 
 
 
 
@end
 

.m

 
 
import "InterfaceController.h"
 
 
typedef NS_ENUM(NSUInteger, OperationType) {
 OperationTypeUnknown,
 OperationTypeSum,
 OperationTypeSubtraction,
 OperationTypeMultiplication,
 OperationTypeDivision
 };
 
 
@interface InterfaceController ()
 
 
@property (strong, nonatomic) NSMutableString *displayString;
 @property (strong, nonatomic) NSString *previousNumber;
 @property (assign, nonatomic) OperationType currentOperation;
 
 
@end
 
 
@implementation InterfaceController
 
 
 
  
 
(void)awakeWithContext:(id)context {
 [super awakeWithContext:context];
 
self.displayString = [NSMutableString string];
 
 
 
 
 
}
 
 
 
  
(IBAction)divide {
 self.previousNumber = self.displayString;
 self.displayString = [NSMutableString string];
 [self.resultLabel setText:@"0"];
 self.currentOperation = OperationTypeDivision;
 }
 
  
(IBAction)multiply {
 self.previousNumber = self.displayString;
 self.displayString = [NSMutableString string];
 [self.resultLabel setText:@"0"];
 self.currentOperation = OperationTypeMultiplication;
 }
 
  
(IBAction)subtract {
 self.previousNumber = self.displayString;
 self.displayString = [NSMutableString string];
 [self.resultLabel setText:@"0"];
 self.currentOperation = OperationTypeSubtraction;
 }
 
  
(IBAction)sum {
 self.previousNumber = self.displayString;
 self.displayString = [NSMutableString string];
 [self.resultLabel setText:@"0"];
 self.currentOperation = OperationTypeSum;
 }
 
  
(IBAction)result {
 if (self.currentOperation == OperationTypeSum) {
 NSString *stringResult = [NSString stringWithFormat:@"%.1f", [self.previousNumber floatValue] + [self.displayString floatValue]];
 [self.resultLabel setText:stringResult];
 self.displayString = [stringResult mutableCopy];
 } else if (self.currentOperation == OperationTypeSubtraction) {
 NSString *stringResult = [NSString stringWithFormat:@"%.1f", [self.previousNumber floatValue] - [self.displayString floatValue]];
 [self.resultLabel setText:stringResult];
 self.displayString = [stringResult mutableCopy];
 } else if (self.currentOperation == OperationTypeMultiplication) {
 NSString *stringResult = [NSString stringWithFormat:@"%.1f", [self.previousNumber floatValue] * [self.displayString floatValue]];
 [self.resultLabel setText:stringResult];
 self.displayString = [stringResult mutableCopy];
 } else if (self.currentOperation == OperationTypeDivision) {
 NSString *stringResult = [NSString stringWithFormat:@"%.1f", [self.previousNumber floatValue] / [self.displayString floatValue]];
 [self.resultLabel setText:stringResult];
 self.displayString = [stringResult mutableCopy];
 }
 self.previousNumber = nil;
 self.currentOperation = OperationTypeUnknown;
 }
 
  
(IBAction)decimal {
 [self addDigitToDisplay:@"."];
 }
 
  
(IBAction)zero {
 [self addDigitToDisplay:@"0"];
 }
 
  
(IBAction)one {
 [self addDigitToDisplay:@"1"];
 }
 
  
(IBAction)two {
 [self addDigitToDisplay:@"2"];
 }
 
  
(IBAction)three {
 [self addDigitToDisplay:@"3"];
 }
 
  
(IBAction)four {
 [self addDigitToDisplay:@"4"];
 }
 
  
(IBAction)five {
 [self addDigitToDisplay:@"5"];
 }
 
  
(IBAction)six {
 [self addDigitToDisplay:@"6"];
 }
 
  
(IBAction)seven {
 [self addDigitToDisplay:@"7"];
 }
 
  
(IBAction)eight {
 [self addDigitToDisplay:@"8"];
 }
 
  
(IBAction)nine {
 [self addDigitToDisplay:@"9"];
 }
 
  
(IBAction)clearScreen {
 self.previousNumber = nil;
 self.currentOperation = OperationTypeUnknown;
 self.displayString = [NSMutableString string];
 [self.resultLabel setText:@"0"];
 }
 
  
(IBAction)removeLastDigit {
 if (self.displayString.length > 0) {
 [self.displayString deleteCharactersInRange:NSMakeRange(self.displayString.length - 1, 1)];
 [self.resultLabel setText:self.displayString];
 }
 }
 
  
(void)addDigitToDisplay:(NSString *)string {
 [self.displayString appendString:string];
 [self.resultLabel setText:self.displayString];
 }
 

就是这么简单 快去写吧 哈哈哈哈