我的 LogCat 内容如下：
08-19 09:29:01.964: WARN/System.err(311): java.net.SocketException: Permission denied
08-19 09:29:02.204: WARN/System.err(311): at org.apache.harmony.luni.platform.OSNetworkSystem.createStreamSocketImpl(Native Method)
08-19 09:29:02.214: WARN/System.err(311): at org.apache.harmony.luni.platform.OSNetworkSystem.createStreamSocket(OSNetworkSystem.java:186)
08-19 09:29:02.214: WARN/System.err(311): at org.apache.harmony.luni.net.PlainSocketImpl.create(PlainSocketImpl.java:265)
08-19 09:29:02.224: WARN/System.err(311): at java.net.Socket.checkClosedAndCreate(Socket.java:873)
08-19 09:29:02.224: WARN/System.err(311): at java.net.Socket.connect(Socket.java:1020)
08-19 09:29:02.224: WARN/System.err(311): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:62)
08-19 09:29:02.224: WARN/System.err(311): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:88)
08-19 09:29:02.224: WARN/System.err(311): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHTTPConnection(HttpURLConnectionImpl.java:927)
08-19 09:29:02.224: WARN/System.err(311): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:909)
08-19 09:29:02.234: WARN/System.err(311): at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:1152)
08-19 09:29:02.234: WARN/System.err(311): at java.net.URL.openStream(URL.java:653)
08-19 09:29:02.244: WARN/System.err(311): at around.lowell.Main.onCreate(Main.java:57)
08-19 09:29:02.244: WARN/System.err(311): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-19 09:29:02.244: WARN/System.err(311): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
08-19 09:29:02.244: WARN/System.err(311): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
08-19 09:29:02.244: WARN/System.err(311): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
08-19 09:29:02.244: WARN/System.err(311): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
08-19 09:29:02.244: WARN/System.err(311): at android.os.Handler.dispatchMessage(Handler.java:99)
08-19 09:29:02.244: WARN/System.err(311): at android.os.Looper.loop(Looper.java:123)
08-19 09:29:02.244: WARN/System.err(311): at android.app.ActivityThread.main(ActivityThread.java:4627)
08-19 09:29:02.254: WARN/System.err(311): at java.lang.reflect.Method.invokeNative(Native Method)
08-19 09:29:02.254: WARN/System.err(311): at java.lang.reflect.Method.invoke(Method.java:521)
08-19 09:29:02.254: WARN/System.err(311): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-19 09:29:02.264: WARN/System.err(311): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-19 09:29:02.264: WARN/System.err(311): at dalvik.system.NativeStart.main(Native Method)
我最近实现的在我的 Android 应用程序中生成此错误的代码是：
FileOutputStream fOut = null;
try {
fOut = this.openFileOutput("employeeInformation.xml", MODE_PRIVATE);
try {
InputStream is = new URL("http://totheriver.com/learn/xml/code/employees.xml").openStream();
int size = is.available();
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
fOut.write(buffer);
} catch(Exception e) {
e.printStackTrace();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
try {
fOut.close();
} catch (IOException e) {
e.printStackTrace();
}
}
有谁知道问题是什么？
将互联网权限添加到您的清单中：
<uses-permission android:name="android.permission.INTERNET"/>
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