iPhone振动

iPhone振动

只需要一句代码。
AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);

 

创建与服务器的输入输出流

- (void)GetStreamsToHost:(NSString *)aHost Port:(NSInteger)aPort InputStream:(NSInputStream **)aInputStream OutputStream:(NSOutputStream **)aOutputStream
{
CFReadStreamRef bRead;
CFWriteStreamRef bWrite;

bRead = NULL;
bWrite = NULL;

CFStreamCreatePairWithSocketToHost(NULL, (CFStringRef)aHost, aPort, 
((aInputStream != nil) ? &bRead : NULL), 
((aOutputStream != nil) ? &bWrite : NULL));

if (aInputStream != NULL) {
*aInputStream = [NSMakeCollectable(bRead) autorelease];
}
if (aOutputStream!= NULL) {
*aOutputStream = [NSMakeCollectable(bWrite) autorelease];
}
}