將一個圖片作為視圖的背景代碼如下：

- (void)addImageView

{

//找到圖片

UIImage *pImage=[UIImage imageNamed:@"sea.png"];

//根據內容圖片創建ImageView

self.pImageView = [[UIImageView alloc] initWithImage:pImage];

//將ImageView放到父視圖中

[self.view insertSubview:self.pImageView atIndex:0];

}

對Label的操作代碼如下

- (void)addLabel

{

//創建一個Label

UILabel *pLabel=[[UILabel alloc] initWithFrame:CGRectMake(10, 10, 120, 50)];

//內容

pLabel.text=@"HelloWorld\nSecondLine";

//設置字體和大小

pLabel.textAlignment=NSTextAlignmentCenter;

//字體顏色

pLabel.textColor=[UIColor redColor];

//顯示行數

pLabel.numberOfLines= 2;

//陰影顏色

pLabel.shadowColor=[UIColor blackColor];

//陰影尺寸

pLabel.shadowOffset = CGSizeMake(2.0, 1.0);

//設置label的背景為透明色

pLabel.backgroundColor=[UIColor clearColor];

[self.view addSubview:pLabel];

[pLabel release];

}

文本框的操作代碼如下：

－ (void)addTextField

{

//創建TextField

UITextField *pTextField=[[UITextField alloc] initWithFrame:CGRectMake(10, 116, 200, 31)];

//設置邊框樣式

pTextField.borderStyle = UITextBorderStyleRoundedRect;

//設置字體

pTextField.font = [UIFont systemFontOfSize:18.0];

//根據寬度改變字體

pTextField.adjustsFontSizeToFitWidth = YES;

//最小字體

pTextField.minimumFontSize = 2.0;

//清除按鈕的樣式

pTextField.clearButtonMode = UITextFieldViewModeWhileEditing;

//彈出鍵盤的樣式

pTextField.keyboardType = UIKeyboardTypeDefault;

//設置使用自動更正功能

pTextField.autocorrectionType= UITextAutocorrectionTypeNo;

//設置鍵盤自動大小寫的屬性

pTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;

//設置返回按鈕的類型

pTextField.returnKeyType = UIReturnKeyDone;

//設置是否支持密碼文本顯示

pTextField.secureTextEntry = YES;

//設置委托

pTextField.delegate = self;

[self.view addSubview:pTextField];

[pTextField release];

}

按鈕的操作代碼如下：

//控制控件

- (void)addButton

{

//創建一個按鈕

UIButton *pBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

//設置區域

[pBtn setFrame:CGRectMake(10, 70, 100, 40)];

[pBtn setTitle:@"Normal" forState:UIControlStateNormal];

[pBtn setTitle:@"HighLight" forState:UIControlStateHighlighted];

//允許顯示高亮

pBtn.showsTouchWhenHighlighted = YES;

[pBtn addTarget:self action:@selector(buttonDown:) forControlEvents:UIControlEventTouchDown];

[pBtn addTarget:self action:@selector(buttonRelease:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:pBtn];

}