Network Problems Related

1. To disable multiple online prompts, you can purchase a certificate, connect to port 80/8080 through socket, and also require a security certificate. For more information about the certificate, see Google.

Yes. To see which mobile phone does not support this certificate, simply view the root certificate.

2. When using httpconnection. Open, try not to use one of the three parameters, that is, a URL parameter. Otherwise, some mobile phones may have problems.

3. Do not use getresponsecode. Some mobile phones use crash directly.

4. When connector. Open is displayed, if the user refuses to access the network, the program will throw secruityexception.

5. The bottom layer of httpconnection does not support the proxy mode, and the host cannot be changed forever. Unless you use socket, you can also modify it. You must replace the two addresses.

Change the mode.

6. If the user selects the wrong access point, the network will be blocked when it is closed. It will take a long time to block it. It may take about 3 minutes. Different mobile phones may vary.

7. Do not read more than 2 kb of data each time. Some mobile phones are too small to crash.

8. When switching from the Internet to the Internet, you will receive an connectionreset exception. You can use throwable to intercept exceptions regardless of network exceptions. Do not use exception or ioexception.

9. httpconnection itself is received in chunked mode and implemented in source code.