2014-05-11 28 views
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05-11 05:27:07.932: D/AndroidRuntime(1297): Shutting down VM 
05-11 05:27:07.932: W/dalvikvm(1297): threadid=1: thread exiting with uncaught exception (group=0x41465700) 
05-11 05:27:08.112: E/AndroidRuntime(1297): FATAL EXCEPTION: main 
05-11 05:27:08.112: E/AndroidRuntime(1297): android.os.NetworkOnMainThreadException 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at libcore.io.IoBridge.connectErrno(IoBridge.java:127) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at libcore.io.IoBridge.connect(IoBridge.java:112) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at java.net.Socket.connect(Socket.java:842) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at com.example.carrentaladmin.AdminJSONParser.makeHttpRequest(AdminJSONParser.java:62) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at com.example.carrentaladminhonda.EditHondaActivity$GetProductDetails$1.run(EditHondaActivity.java:134) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at android.os.Handler.handleCallback(Handler.java:730) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at android.os.Handler.dispatchMessage(Handler.java:92) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at android.os.Looper.loop(Looper.java:137) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at android.app.ActivityThread.main(ActivityThread.java:5103) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at java.lang.reflect.Method.invokeNative(Native Method) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at java.lang.reflect.Method.invoke(Method.java:525) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
05-11 05:27:08.112: E/AndroidRuntime(1297):  at dalvik.system.NativeStart.main(Native Method) 

我是一個初學者在android開發,幫助我解決這個問題。不幸的是,當選擇一個列表視圖項目,開始一項新的活動時,已停止

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我認爲你應該使用AsyncTask你不能在主線程上進行網絡調用 –

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搜索'NetworkOnMainThreadException' - 你需要在後臺線程上執行網絡操作,比如'AsyncTask'。 http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception – laalto

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你應該顯示代碼,但我認爲這是問題:NetworkOnMainThreadException 它必須是你有一些網絡操作在主要線程的活動正在嘗試開始。這是你不應該做的,這就是你得到這個例外的原因。 –

回答

3

在android中,在您的活動的主線程上執行網絡相關操作並不是一個好習慣。

爲了做這樣的事情,還有其他方法,如使用AsyncTask。

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@ user3402438您可以參考http://developer.android.com/reference/android/os/AsyncTask.html瞭解AsyncTask類的參考。 –

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但是我使用asyncTask.Then實際上有什麼問題嗎?謝謝 – user3402438

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@ user3402438你可以發佈你的代碼嗎? –

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