［iPhone开发之控件的使用］UIAlertView的各种属性、方法及代理的使用
［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 Propertiesdelegate 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AlertViewUIAlertView *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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