我正在尝试将 POST 数据发送到同一子网中的服务器。以下是我的代码。但在执行代码后，我收到以下错误：“org.apache.http.conn.HttpHostConnectException：连接到http://192.168.xx被拒绝”。
我们已在清单文件中授予访问 Internet 的权限。当我们授予此权限时，每当我们尝试启动它时，应用程序就会终止。当我们从清单文件中删除权限时，应用程序不会终止，但会给出错误“org.apache.http.conn.HttpHostConnectException: Connection to http://192.168.xx denied ”。
package com.example.posthtml;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
postData();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void postData() {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://192.168.x.x/Angelhack/app/create_cause.php");
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("id", "12345"));
nameValuePairs.add(new BasicNameValuePair("title", "gdfg"));
nameValuePairs.add(new BasicNameValuePair("description", "ddfgdfg"));
nameValuePairs.add(new BasicNameValuePair("image", "67546456"));
nameValuePairs.add(new BasicNameValuePair("city", "pune"));
nameValuePairs.add(new BasicNameValuePair("tag_1", "dfgdfg"));
nameValuePairs.add(new BasicNameValuePair("tag_2", "gfdgdg"));
nameValuePairs.add(new BasicNameValuePair("tag_3", "fddfhfg"));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
System.out.println("Executed\n");
Toast.makeText(getApplicationContext(), "Perfect",
Toast.LENGTH_LONG).show();
} catch (ClientProtocolException e) {
Toast.makeText(getApplicationContext(),e.toString(),
Toast.LENGTH_LONG).show();
// TODO Auto-generated catch block
} catch (IOException e) {
Toast.makeText(getApplicationContext(), e.toString(),
Toast.LENGTH_LONG).show();
// TODO Auto-generated catch block
}
}
}
这是日志猫
// This i11-08 14:43:36.642: D/AndroidRuntime(1952): Shutting down VM
11-08 14:43:36.642: W/dalvikvm(1952): threadid=1: thread exiting with uncaught exception (group=0xb3a82b90)
11-08 14:43:36.652: E/AndroidRuntime(1952): FATAL EXCEPTION: main
11-08 14:43:36.652: E/AndroidRuntime(1952): Process: com.example.posthtml, PID: 1952
11-08 14:43:36.652: E/AndroidRuntime(1952): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.posthtml/com.example.posthtml.MainActivity}: android.os.NetworkOnMainThreadException
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2176)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2226)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread.access$700(ActivityThread.java:135)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1397)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.os.Handler.dispatchMessage(Handler.java:102)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.os.Looper.loop(Looper.java:137)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread.main(ActivityThread.java:4998)
11-08 14:43:36.652: E/AndroidRuntime(1952): at java.lang.reflect.Method.invokeNative(Native Method)
11-08 14:43:36.652: E/AndroidRuntime(1952): at java.lang.reflect.Method.invoke(Method.java:515)
11-08 14:43:36.652: E/AndroidRuntime(1952): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
11-08 14:43:36.652: E/AndroidRuntime(1952): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:593)
11-08 14:43:36.652: E/AndroidRuntime(1952): at dalvik.system.NativeStart.main(Native Method)
11-08 14:43:36.652: E/AndroidRuntime(1952): Caused by: android.os.NetworkOnMainThreadException
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1145)
11-08 14:43:36.652: E/AndroidRuntime(1952): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84)
11-08 14:43:36.652: E/AndroidRuntime(1952): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
11-08 14:43:36.652: E/AndroidRuntime(1952): at libcore.io.IoBridge.connect(IoBridge.java:112)
11-08 14:43:36.652: E/AndroidRuntime(1952): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
11-08 14:43:36.652: E/AndroidRuntime(1952): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
11-08 14:43:36.652: E/AndroidRuntime(1952): at java.net.Socket.connect(Socket.java:843)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
11-08 14:43:36.652: E/AndroidRuntime(1952): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
11-08 14:43:36.652: E/AndroidRuntime(1952): at com.example.posthtml.MainActivity.postData(MainActivity.java:62)
11-08 14:43:36.652: E/AndroidRuntime(1952): at com.example.posthtml.MainActivity.onCreate(MainActivity.java:26)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.Activity.performCreate(Activity.java:5243)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
11-08 14:43:36.652: E/AndroidRuntime(1952): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2140)
11-08 14:43:36.652: E/AndroidRuntime(1952): ... 11 more