Android 网络提交数据（使用Asynchronous Http Client）

Android 网络提交数据（使用Asynchronous Http Client）

        发表于1年前(2014-01-31 23:46)      阅读（ 1679） | 评论（ 2）               9人收藏此文章, 我要收藏    

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3月21日 深圳 OSC 源创会正在报名中，送华为海思开发板

      

项目主页及简单使用方法http://loopj.com/android-async-http/

< LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"
    xmlns:tools = "http://schemas.android.com/tools"
    android:layout_width = "match_parent"
    android:layout_height = "match_parent"
    android:orientation = "vertical"
    tools:context = ".MainActivity" >

    < TextView
        android:layout_width = "match_parent"
        android:layout_height = "wrap_content"
        android:background = "#88ff98ff"
        android:gravity = "center"
        android:text = "使用Async框架"
        android:textSize = "20sp" />

    < Button
        android:layout_width = "match_parent"
        android:layout_height = "wrap_content"
        android:onClick = "get_click"
        android:text = "GET发送HTTP请求" />

    < Button
        android:layout_width = "match_parent"
        android:layout_height = "wrap_content"
        android:onClick = "post_click"
        android:text = "POST发送HTTP请求" />

    < Button
        android:layout_width = "match_parent"
        android:layout_height = "wrap_content"
        android:onClick = "upload_click"
        android:text = "上传文件" />

LinearLayout >

activity：

package com.example.asynchttp;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URLEncoder;

import org.apache.http.Header;
import org.apache.http.HttpResponse;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.RequestParams;
import com.loopj.android.http.ResponseHandlerInterface;
import com.loopj.android.http.TextHttpResponseHandler;

import android.os.Bundle;
import android.provider.MediaStore.Files;
import android.app.Activity;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.Menu;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity
{

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super .onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @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 get_click(View v) throws Exception
    {
        String path = "http://192.168.1.100:8080/ServletTest/Login" + "?username=" + URLEncoder.encode( "test" , "utf-8" ) + "&password=" + URLEncoder.encode( "123" , "utf-8" );
        AsyncHttpClient client = new AsyncHttpClient();
        client.get(path, new AsyncHttpResponseHandler()
        {

            @Override
            public void onSuccess( int statusCode, Header[] headers, byte [] responseBody)
            {
                Toast.makeText(MainActivity. this , new String(responseBody), Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onFailure( int statusCode, Header[] headers, byte [] responseBody, Throwable error)
            {
                Toast.makeText(MainActivity. this , new String(responseBody + error.getMessage()), Toast.LENGTH_SHORT).show();
            }
        });
    }

    public void post_click(View v) throws Exception
    {
        String path = "http://192.168.1.100:8080/ServletTest/Login" ;
        String username = "test" ;
        String password = "123" ;
        AsyncHttpClient client = new AsyncHttpClient();
        RequestParams params = new RequestParams();
        params.add( "username" , username);
        params.add( "password" , password);
        client.post(path, params, new TextHttpResponseHandler()
        {
            @Override
            public void onSuccess( int statusCode, Header[] headers, String responseString)
            {
                Toast.makeText(MainActivity. this , responseString, Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onFailure( int statusCode, Header[] headers, String responseString, Throwable throwable)
            {
                Toast.makeText(MainActivity. this , responseString, Toast.LENGTH_SHORT).show();
            }
        });
    }

    public void upload_click(View v) throws Exception
    {
        String path = "http://192.168.1.100:8080/ServletTest/Upload" ;
        AsyncHttpClient client = new AsyncHttpClient();
        RequestParams params = new RequestParams();
        InputStream is = getAssets().open( "test.png" );
        params.put( "file" , is, "测试.png" );
        client.post(path, params, new AsyncHttpResponseHandler()
        {

            @Override
            public void onSuccess( int statusCode, Header[] headers, byte [] responseBody)
            {
                Toast.makeText(MainActivity. this , "上传成功" , Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onFailure( int statusCode, Header[] headers, byte [] responseBody, Throwable error)
            {
                Toast.makeText(MainActivity. this , "上传失败" , Toast.LENGTH_SHORT).show();
            }
        });
    }
}