UIActivityIndicatorView/活动指示框

UIActivityIndicatorView/活动指示框

1、指示框
UIActivityIndicatorView *aiv=[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(50, 200, 25, 25)];
[self.view addSubview:aiv];

2、添加指示框样式
aiv.activityIndicatorViewStyle=UIActivityIndicatorViewStyleWhite;
UIActivityIndicatorViewStyleWhiteLarge,  大白



UIActivityIndicatorViewStyleWhite,       小白



UIActivityIndicatorViewStyleGray,        灰色



3、打开指示框
[aiv startAnimating];
[aiv release];

4、关闭指示框
[aiv stopAnimating];
[aiv release];