问题描述
有什么方法可以设置对BluetoothSocket的连接超时?
It's there any way to set connection timeout to BluetoothSocket?
如果我的设备离线，则连接过程将花费几秒钟，然后返回错误.我需要将超时设置为1秒.有可能吗?
If my device is offline, connection process takes a few seconds and then returns an error. I need to set the timeout to 1 second. It is possible?
BluetoothSocket socket = device.createRfcommSocketToServiceRecord(APP_UUID);
// socket.setProxyConnectionTimeout(1000); <- some like this
socket.connect();
BluetoothSocket类具有PROXY_CONNECTION_TIMEOUT，但从未使用过...感谢您的回答.
BluetoothSocket class have PROXY_CONNECTION_TIMEOUT, but never used...Thanks for answers.
顺便说一句:
我尝试这样:
socket.connect();
Thread.sleep(1000);
socket.close(); // but socket is not closed & still connecting
推荐答案
您无法更改BluetoothSocket.connect()的超时.作为文档:
You can't change timeout of BluetoothSocket.connect(). As documentation:
此方法将一直阻塞，直到建立连接或连接失败为止.如果此方法无例外地返回，则表明该套接字已连接. 解决方法.
This method will block until a connection is made or the connection fails. If this method returns without an exception then this socket is now connected.A workaround.
例如:超时5秒.使用CountDownTimer检查连接是否完成(成功或失败). 5秒后，如果连接不完整，请使用BluetoothSocket.close()取消.
Ex: timeout 5s. Using CountDownTimer to check if connect is complete(success or fail). After 5s, if connection is incomplete then use BluetoothSocket.close() to cancel.
作为BluetoothSocket文档:
As BluetoothSocket documentation:
close()可用于中止另一个线程的调用.
close() can be used to abort this call from another thread.
这篇关于BluetoothSocket-连接超时的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！