Android HTTP

最新推荐文章于 2022-04-20 23:58:01 发布

原创最新推荐文章于 2022-04-20 23:58:01 发布 · 174 阅读

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#xml #http #java

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="org.marsdroid.http01"
	android:versionCode="1"
	android:versionName="1.0" >

	<uses-sdk
		android:minSdkVersion="8"
		android:targetSdkVersion="19" />

	<uses-permission android:name="android.permission.INTERNET" />

	<application
		android:allowBackup="true"
		android:icon="@drawable/ic_launcher"
		android:label="@string/app_name"
		android:theme="@style/AppTheme" >
		<activity
			android:name="org.marsdroid.http01.MainActivity"
			android:label="@string/app_name" >
			<intent-filter>
				<action android:name="android.intent.action.MAIN" />

				<category android:name="android.intent.category.LAUNCHER" />
			</intent-filter>
		</activity>
	</application>

</manifest>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools"
	android:id="@+id/container"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	tools:context="org.marsdroid.http01.MainActivity"
	tools:ignore="MergeRootFrame" >

	<Button
		android:id="@+id/requestButton"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:text="向百度发送一次请求" >
	</Button>

</FrameLayout>

package org.marsdroid.http01;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.os.Build;

/**
 * @author YongHeng
 *
 */
public class MainActivity extends ActionBarActivity {

	private Button requestButton = null;
	private HttpResponse httpResponse = null;
	private HttpEntity httpEntity = null;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		requestButton = (Button)findViewById(R.id.action_mode_close_button);
		requestButton.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				//生成一个请求对象
				HttpGet httpGet = new HttpGet("http://www.baidu.com");
				//生成一个Http请求对象
				HttpClient httpClient = new DefaultHttpClient();
				//使用Http客户端发送请求
				InputStream inputStream = null;
				try{
					httpResponse = httpClient.execute(httpGet);
					httpEntity = httpResponse.getEntity();
					inputStream = httpEntity.getContent();
					BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
					String result = "";
					String line = "";
					while((line = reader.readLine()) != null){
						result = result +line;
					}
					System.out.println(result);
				}catch(Exception e){
					e.printStackTrace();
				}finally{
					try{
						inputStream.close();
					}catch(Exception e){
						e.printStackTrace();
					}
				}
				
			}
		});
	}
	
	
}