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http - BlackBerry 应用程序无法与服务器建立 Http 连接

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:20:31 24 4
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这是我用于 HTTP 连接的代码:

HttpConnection connection = null;
// InputStream inputstream = null;
connection = (HttpConnection) Connector.open("http://www.google.com");
//HTTP Request
connection.setRequestMethod(HttpConnection.GET);
connection.setRequestProperty("Content-Type","//text plain");
connection.setRequestProperty("Connection", "close");
add(new LabelField(""+connection.getResponseMessage()));
connection.close();

最佳答案

标题为“Code sample: Creating a connection over HTTP by using the first available transport”的黑莓开发指南有效!!

ConnectionFactory connFact = new ConnectionFactory();
ConnectionDescriptor connDesc;
connDesc = connFact.getConnection("http://www.google.com");
if (connDesc != null) {
HttpConnection httpConn;
httpConn = (HttpConnection)connDesc.getConnection();
try {
final int iResponseCode = httpConn.getResponseCode();
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
Dialog.alert("Response code: " +
Integer.toString(iResponseCode));
}
});
} catch (IOException e) {
System.err.println("Caught IOException: " + e.getMessage());
}
}

关于http - BlackBerry 应用程序无法与服务器建立 Http 连接,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3530927/

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