iphone學習

//2013年11月28 學習iphone界面編程由于本人是一個iphone開發新人很多時候是邊看別人的代碼然后在測驗代碼的功能但還有些功能沒有測試很多地方不懂如果大神經過不妨幫忙指點。如果有大神做過計算器全代碼——不用拖界面求給我一個源碼我將不勝感激//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)buttonPressed:(int)sender{

   UIAlertView *alert = [[UIAlertViewalloc]initWithTitle:@"事件是"

                                                 message:@"%i"

                                                delegate:nil

                                       cancelButtonTitle:@"是的"

                                       otherButtonTitles:nil];

   [alertshow];

}

- (void)viewDidLoad

{

   [superloadView];

   //界面的背景色設置

   /*UIView定義了屏幕上的一個矩形區域

    */

   UIView *contentView = [[UIViewalloc]initWithFrame: [[UIScreenmainScreen]applicationFrame]];

   //設置容器的背景色UIColor對象可以定義當前的顏色或者你可以存儲顏色值以便以后使用。他也可以改變容器的alpha值。

   contentView.backgroundColor = [UIColorgroupTableViewBackgroundColor];

   //當前對象即為當前窗口

  self.view = contentView;

   //[contentView release];

   //label

   //UILabel可定義一個只讀的文本框。CGRectMake(x,y,width,height):x和y是標簽相對位置。width和height是標簽的長和高。

  UILabel * label = [[UILabelalloc]initWithFrame:CGRectMake(50.0,30.0,200,30)];

   //設置標簽的內容

   label.text =@"你好";

   //標簽位于contentView的中心

   //label.center = contentView.center;

   //設置標簽的顏色

   label.backgroundColor = [UIColorgreenColor];

   label.textAlignment =UITextAutocapitalizationTypeAllCharacters;

   //將標簽添加到容器中去

   [self.viewaddSubview:label];

   //[label release];

   //button

   //buttonWithType是UIButton的一個實例方法它可以動態的區創建一個不同風格的按鈕。

   UIButton *button1 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   //CGRectMake(x,y,width,height):確定button的位置width和height確定button的大小

   [button1setFrame:CGRectMake(20.0,60.0,77, 37)];

   //setTitle可以設置button的標題。

   //forState和后面的參數不知道含義

   [button1 setTitle:@"1"forState:UIControlStateNormal];

   [button1 setTitle:@"ok"forState:UIControlStateDisabled];

   [button1addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button1];

   UIButton *button2 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button2setFrame:CGRectMake(80.0,60.0,77, 37)];

   [button2 setTitle:@"2"forState:UIControlStateNormal];

   [button2 setTitle:@"ok"forState:UIControlStateDisabled];

   [button2addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button2];

   UIButton *button3 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button3setFrame:CGRectMake(140.0,60.0,77,37)];

   [button3 setTitle:@"3"forState:UIControlStateNormal];

   [button3 setTitle:@"ok"forState:UIControlStateDisabled];

   [button3addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button3];

   UIButton *button4= [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button4setFrame:CGRectMake(200.0,60.0,77, 37)];

   [button4 setTitle:@"4"forState:UIControlStateNormal];

   [button4 setTitle:@"ok"forState:UIControlStateDisabled];

   [button4addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button4];

   UIButton *button5 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button5setFrame:CGRectMake(20.0,100.0,77, 37)];

   [button5 setTitle:@"5"forState:UIControlStateNormal];

   [button5 setTitle:@"ok"forState:UIControlStateDisabled];

   [button5addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button5];

   UIButton *button6 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button6setFrame:CGRectMake(80.0,100.0,77, 37)];

   [button6 setTitle:@"6"forState:UIControlStateNormal];

   [button6 setTitle:@"ok"forState:UIControlStateDisabled];

   [button6addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button6];

   UIButton *button7 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button7setFrame:CGRectMake(140.0,100.0,77, 37)];

   [button7 setTitle:@"7"forState:UIControlStateNormal];

   [button7 setTitle:@"ok"forState:UIControlStateDisabled];

   [button7addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button7];

   UIButton *button8 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button8setFrame:CGRectMake(200.0,100.0,77, 37)];

   [button8 setTitle:@"8"forState:UIControlStateNormal];

   [button8 setTitle:@"ok"forState:UIControlStateDisabled];

   [button8addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button8];

   UIButton *button9 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button9setFrame:CGRectMake(20.0,140.0,77, 37)];

   [button9 setTitle:@"9"forState:UIControlStateNormal];

   [button9 setTitle:@"ok"forState:UIControlStateDisabled];

   [button9addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button9];

   UIButton *button0 = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [button0setFrame:CGRectMake(80.0,100.0,77, 37)];

   [button0 setTitle:@"0"forState:UIControlStateNormal];

   [button0 setTitle:@"ok"forState:UIControlStateDisabled];

   [button0addTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:button0];

   UIButton *buttonAdd = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];

   [buttonAddsetFrame:CGRectMake(80.0,140.0,77, 37)];

   [buttonAdd setTitle:@"+"forState:UIControlStateNormal];

   [buttonAdd setTitle:@"ok"forState:UIControlStateDisabled];

   [buttonAddaddTarget:selfaction:@selector(buttonPressed:)forControlEvents:UIControlEventTouchDown];

   [self.viewaddSubview:buttonAdd];}

- (void)didReceiveMemoryWarning

{

   [superdidReceiveMemoryWarning];

}

@end