在AndroidManifest.xml文件中添加以下权限:
然后在代码中使用以下方法创建OkHttpClient:
OkHttpClient okHttpClient = new OkHttpClient.Builder()
.socketFactory(new RestrictedSocketFactory())
.build();
其中,RestrictedSocketFactory是自定义的一个类,用于限制套接字的绑定:
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.List;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
public class RestrictedSocketFactory extends SSLSocketFactory {
private SSLSocketFactory delegate;
public RestrictedSocketFactory() {
try {
delegate = (SSLSocketFactory) SSLSocketFactory.getDefault();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public Socket createSocket() throws IOException {
return delegate.createSocket();
}
@Override
public Socket createSocket(String host, int port) throws IOException {
return createSocket(InetAddress.getByName(host), port);
}
@Override
public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {
return createSocket(host, port);
}
@Override
public Socket createSocket(InetAddress host, int port) throws IOException {
Socket socket = new Socket();
socket.bind(null);
socket.connect(new InetSocketAddress(host, port));
return socket;
}
@Override
public Socket createSocket(InetAddress host, int port, InetAddress localAddress, int localPort) throws IOException {
Socket socket = new Socket();
socket.bind(new InetSocketAddress(localAddress, localPort));
socket.connect(new InetSocketAddress(host, port));
return socket;
}
@Override
public Socket createSocket(Socket s, InputStream consumed, boolean autoClose) throws IOException {
byte[]