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详细的过程可参考:https://blog.csdn.net/weixin_51080921/article/details/124150694?spm=1001.2014.3001.5501
这里只是说明和旧版不一样的地方
第一个是服务器接入地址(非加密方式):
private static final String SERVER_URL = "tcp://mqtts.heclouds.com:1883";
第二个是设备ID(这里的设备ID直接是设备名字):
private static final String CLIENT_ID = "Android";
第三个是PASSWORD(这里的密码是Token生成的):
可参考:https://blog.csdn.net/weixin_51080921/article/details/124197691?spm=1001.2014.3001.5501
中的第三步做法
下面说说加密方式连接:
首先是证书,可参考:https://blog.csdn.net/weixin_51080921/article/details/124253434?spm=1001.2014.3001.5501
onenet文档中心下载的证书格式是.pem的,Android中要用到的得转为.bks格式。
然后是服务器接入地址(关于是tcp还是ssl看自己喜欢,但是一定要前后匹配):
private static final String SERVER_URL = "ssl://mqttstls.heclouds.com:8883";
前面说的前后匹配是指:
Server URI and supplied <code>SocketFactory</code> do not match. URIs beginning <code>tcp://</code> must use a <code>javax.net.SocketFactory</code>, and URIs beginning <code>ssl://</code> must use a <code>javax.net.ssl.SSLSocketFactory</code>.
- // 添加证书
- sslSocketFactory = getSocketFactory();
- conOpt.setSocketFactory(sslSocketFactory);
getSocketFactory()函数:
- private SSLSocketFactory getSocketFactory() {
- try {
- SSLContext context;
- KeyStore ts = KeyStore.getInstance("BKS");
- ts.load(getResources().openRawResource(R.raw.certificate), "123456".toCharArray());
- TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
- tmf.init(ts);
- TrustManager[] tm = tmf.getTrustManagers();
- context = SSLContext.getInstance("TLS");
- context.init(null, tm, null);
-
- return context.getSocketFactory();
- } catch (Exception e) {
- Log.e(TAG, "认证失败", e);
- return null;
- }
- }
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