1.创建UIAlertView的步骤

(1)开辟空间并初始化(初始化时给出视图的位置以及大小,即哪里要弹窗视图).

(2)调用UIAlertView的show方法,呈现提示框.

(3)释放UIAlertView对象


2.UIAlertView示例


UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"提" message:@"请妥善保管好你的密码"delegate:nil cancelButtonTitle:@"取消"otherButtonTitles:@"确定", nil];

[alertView show];

[alertView release];