［iPhone开发之控件的使用］UIAlertView的各种属性、方法及代理的使用
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转载自：http://blog.csdn.net/banyingli/article/details/6167592
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#import "AlertViewTestViewController.h"@implementation AlertViewTestViewController/* Tasks Creating Alert Views – initWithTitle:message:delegate:cancelButtonTitle:otherButtonTitles: Setting Properties delegate property title property message property visible property Configuring Buttons – addButtonWithTitle: numberOfButtons property – buttonTitleAtIndex: cancelButtonIndex property firstOtherButtonIndex property Displaying – show Dismissing – dismissWithClickedButtonIndex:animated: 无例*/// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.- (void)viewDidLoad { //初始化AlertView UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"AlertViewTest" message:@"message" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OtherBtn",nil]; //设置标题与信息，通常在使用frame初始化AlertView时使用 alert.title = @"AlertViewTitle"; alert.message = @"AlertViewMessage"; //这个属性继承自UIView，当一个视图中有多个AlertView时，可以用这个属性来区分 alert.tag = 0; //只读属性，看AlertView是否可见 NSLog(@"%d",alert.visible); //通过给定标题添加按钮 [alert addButtonWithTitle:@"addButton"]; //按钮总数 NSLog(@"numberOfButtons:%d",alert.numberOfButtons); //获取指定索引的按钮的标题 NSLog(@"buttonTitleAtIndex:%@",[alert buttonTitleAtIndex:2]); //获得取消按钮的索引 NSLog(@"cancelButtonIndex:%d",alert.cancelButtonIndex); //获得第一个其他按钮的索引 NSLog(@"firstOtherButtonIndex:%d",alert.firstOtherButtonIndex); //显示AlertView [alert show]; [alert release]; [super viewDidLoad];}/*// Override to allow orientations other than the default portrait orientation.- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait);}*/- (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use.}- (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil;}- (void)dealloc { [super dealloc];}#pragma mark -- UIAlertViewDelegate --//根据被点击按钮的索引处理点击事件- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { NSLog(@"clickedButtonAtIndex:%d",buttonIndex);}//AlertView已经消失时- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex { NSLog(@"didDismissWithButtonIndex");}//AlertView即将消失时- (void)alertView:(UIAlertView *)alertView willDismissWithButtonIndex:(NSInteger)buttonIndex { NSLog(@"willDismissWithButtonIndex");}- (void)alertViewCancel:(UIAlertView *)alertView { NSLog(@"alertViewCancel");}//AlertView已经显示时- (void)didPresentAlertView:(UIAlertView *)alertView { NSLog(@"didPresentAlertView");}//AlertView即将显示时- (void)willPresentAlertView:(UIAlertView *)alertView { NSLog(@"willPresentAlertView");}@end??
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