android下载网络文件

package com.breakdownloader;

import java.io.File;
import java.net.HttpURLConnection;

import com.breakdownloader.network.NetUtil;

import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
	//下载地址输入框
	private EditText edt_path;
	//下载按钮
	private Button btn_downLoad;
	//下载进度条
	private ProgressBar downloadbar;
	//下载进度值
	private TextView txv_resultView;
	
	private Handler handler = new Handler(){
		public void handleMessage(android.os.Message msg) {
			if (msg.what == 1) {
				boolean isSuccess = (Boolean) msg.obj;
				if (isSuccess) {
					System.out.println("下载成功");
				}else {
					System.out.println("下载失败");
				}
			}
		};
	};	
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		//初始化组件
		initCompents();
		//注册监听
		registerListener();
	}

	/**
	 *  函数名称 : initCompents
	 *  功能描述 :  
	 *  参数及返回值说明：
	 *
	 *  修改记录：
	 *  	日期：2013-8-16 下午4:17:28	修改人：Administrator
	 *  	描述	：初始化组件
	 * 					
	 */
	private void initCompents() {
		edt_path = (EditText) findViewById(R.id.edt_path);
		downloadbar = (ProgressBar) findViewById(R.id.downloadbar);
		txv_resultView = (TextView) findViewById(R.id.txv_resultView);
		btn_downLoad = (Button) findViewById(R.id.btn_downLoad);
	}

	/**
	 *  函数名称 : registerListener
	 *  功能描述 :  
	 *  参数及返回值说明：
	 *
	 *  修改记录：
	 *  	日期：2013-8-16 下午4:17:24	修改人：Administrator
	 *  	描述	：注册监听
	 * 					
	 */
	private void registerListener() {
		//下载监听
		btn_downLoad.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				//下载地址
				String path = edt_path.getText().toString();
				System.out.println("下载地址："   path);
				
				System.out.println(Environment.getExternalStorageState() "------" Environment.MEDIA_MOUNTED);
				
				//判断sd卡是否挂载
				if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
					//开始下载
					if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
						String saveFile = Environment.getExternalStorageDirectory()   "/test/"   "winrar.exe" ;
					
						downFile(path,saveFile);
					}else {
						System.err.println("没有sd卡");
					}
				}else {
					//显示SDCard错误信息
					Toast.makeText(MainActivity.this, "没有外部存储卡，请核实后在载！", Toast.LENGTH_SHORT).show();
				}
			}
			
		});
	}
	
	/**
	 * 
	 *  函数名称 : downFile
	 *  功能描述 :  
	 *  参数及返回值说明：
	 *  	@param path
	 *  	@param saveFile
	 *
	 *  修改记录：
	 *  	日期：2013-8-16 下午5:22:48	修改人：Administrator
	 *  	描述	： 
	 *
	 */
	private void downFile(final String path, final String saveFile) {
		new Thread(){
			/**
			 *  函数名称 : run
			 *  功能描述 :  
			 *  参数说明：
			 *  返回值：
			 *  	
			 *  修改记录：
			 *  日期：2013-8-16 下午5:26:44	修改人：Administrator
			 *  描述	：
			 * 					
			 */
			@Override
			public void run() {
				super.run();
			
				File file = new File(saveFile);
				
				if (!file.exists()) {
					file.getParentFile().mkdirs();
				}
				
				HttpURLConnection conn = NetUtil.getUrlConnection(path);
				boolean isSuccess = NetUtil.saveFile(conn, saveFile);
				
				Message msg = new Message();
				msg.what = 1 ;
				msg.obj = isSuccess;
				
				handler.sendMessage(msg);
				
			}
		}.start();
	}
}

资源下载

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资源文件列表

BreakDownLoader/.classpath , 475
BreakDownLoader/.project , 851
BreakDownLoader/AndroidManifest.xml , 1090
BreakDownLoader/bin/AndroidManifest.xml , 1090
BreakDownLoader/bin/BreakDownLoader.apk , 258413
BreakDownLoader/bin/classes.dex , 627484
BreakDownLoader/bin/classes/com/breakdownloader/BuildConfig.class , 347
BreakDownLoader/bin/classes/com/breakdownloader/MainActivity$1.class , 1077
BreakDownLoader/bin/classes/com/breakdownloader/MainActivity$2.class , 2223
BreakDownLoader/bin/classes/com/breakdownloader/MainActivity$3.class , 1721
BreakDownLoader/bin/classes/com/breakdownloader/MainActivity.class , 2287
BreakDownLoader/bin/classes/com/breakdownloader/network/NetUtil.class , 2306
BreakDownLoader/bin/classes/com/breakdownloader/R$attr.class , 343
BreakDownLoader/bin/classes/com/breakdownloader/R$dimen.class , 464
BreakDownLoader/bin/classes/com/breakdownloader/R$drawable.class , 410
BreakDownLoader/bin/classes/com/breakdownloader/R$id.class , 537
BreakDownLoader/bin/classes/com/breakdownloader/R$layout.class , 406
BreakDownLoader/bin/classes/com/breakdownloader/R$menu.class , 391
BreakDownLoader/bin/classes/com/breakdownloader/R$string.class , 539
BreakDownLoader/bin/classes/com/breakdownloader/R$style.class , 434
BreakDownLoader/bin/classes/com/breakdownloader/R.class , 683
BreakDownLoader/bin/dexedLibs/android-support-v4-45f49c38a18b62b329c80dca439654cf.jar , 211326
BreakDownLoader/bin/dexedLibs/android-support-v4-9169796a2a02d85866daa459afeb5aa6.jar , 211326
BreakDownLoader/bin/jarlist.cache , 120
BreakDownLoader/bin/resources.ap_ , 41434
BreakDownLoader/bin/res/drawable-hdpi/ic_launcher.png , 5964
BreakDownLoader/bin/res/drawable-mdpi/ic_launcher.png , 3112
BreakDownLoader/bin/res/drawable-xhdpi/ic_launcher.png , 9355
BreakDownLoader/bin/res/drawable-xxhdpi/ic_launcher.png , 17889
BreakDownLoader/gen/com/breakdownloader/BuildConfig.java , 161
BreakDownLoader/gen/com/breakdownloader/R.java , 2831
BreakDownLoader/ic_launcher-web.png , 51394
BreakDownLoader/libs/android-support-v4.jar , 556198
BreakDownLoader/proguard-project.txt , 781
BreakDownLoader/project.properties , 563
BreakDownLoader/res/drawable-hdpi/ic_launcher.png , 7658
BreakDownLoader/res/drawable-mdpi/ic_launcher.png , 3777
BreakDownLoader/res/drawable-xhdpi/ic_launcher.png , 12516
BreakDownLoader/res/drawable-xxhdpi/ic_launcher.png , 24777
BreakDownLoader/res/layout/activity_main.xml , 1338
BreakDownLoader/res/menu/main.xml , 263
BreakDownLoader/res/values-sw600dp/dimens.xml , 203
BreakDownLoader/res/values-sw720dp-land/dimens.xml , 277
BreakDownLoader/res/values-v11/styles.xml , 334
BreakDownLoader/res/values-v14/styles.xml , 391
BreakDownLoader/res/values/dimens.xml , 220
BreakDownLoader/res/values/strings.xml , 321
BreakDownLoader/res/values/styles.xml , 697
BreakDownLoader/src/com/breakdownloader/MainActivity.java , 3929
BreakDownLoader/src/com/breakdownloader/network/NetUtil.java , 2654