android.os.NetworkOnMainThreadException exception

最新推荐文章于 2025-06-09 14:49:50 发布

原创最新推荐文章于 2025-06-09 14:49:50 发布 · 969 阅读

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本文介绍了解决Android应用中出现的android.os.NetworkOnMainThreadException异常的方法。该异常通常发生在应用程序尝试在网络连接操作中使用UI主线程时。文章提供了一个具体的错误日志示例，并给出了解决方案：建议开发者通过非UI线程执行网络请求。

android.os.NetworkOnMainThreadException
11-06 18:13:40.230: W/System.err(26935): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1128)
11-06 18:13:40.232: W/System.err(26935): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
11-06 18:13:40.233: W/System.err(26935): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
11-06 18:13:40.234: W/System.err(26935): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
11-06 18:13:40.235: W/System.err(26935): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
11-06 18:13:40.235: W/System.err(26935): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
11-06 18:13:40.235: W/System.err(26935): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
11-06 18:13:40.236: W/System.err(26935): at libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
11-06 18:13:40.238: W/System.err(26935): at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:81)
11-06 18:13:40.238: W/System.err(26935): at libcore.net.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:205)

是因为调用http的请求的线程是UI主线程了。改用其他的线程连接即可。