iOS常用系统调用

来源：互联网发布：网络上桂枝什么意思编辑：程序博客网时间：2024/05/16 11:36

阻止App自动进入锁屏,屏幕保持唤醒状态

[[UIApplication sharedApplication] setIdleTimerDisabled:YES];

即可.

阻止屏幕变暗

[UIApplication sharedApplication].idleTimerDisabled =YES;

显示联网状态 //显示联网标记

[UIApplication sharedApplication].networkActivityIndicatorVisible =YES;

在map上显示一个地址

NSString* addressText =@"1 Infinite Loop, Cupertino, CA 95014";// URL encode the spaces addressText = [addressText stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; NSString* urlText = [NSString stringWithFormat:@"http://maps.google.com/maps?q=%@", addressText];[[UIApplication sharedApplication]openURL:[NSURLURLWithString:urlText]];

调用电子邮件

NSString *recipients =@"mailto:first@example.com?cc=second@example.com,third@example.com&subject=Hello from California!";

NSString *body =@"&body=It is raining in sunny California!";

NSString *email = [NSString stringWithFormat:@"%@%@", recipients, body];

email = [email stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

[[UIApplication sharedApplication]openURL:[NSURLURLWithString:email]];

调用电话

[[UIApplication sharedApplication]openURL:[NSURLURLWithString:@"tel://12312312312"]];

调用短信

 [[UIApplication sharedApplication]openURL:[NSURLURLWithString:@"sms://1231231"]];

调用Safari

[[UIApplication sharedApplication]openURL:[NSURLURLWithString:@"http://itunesconnect.apple.com"]];

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