如何成为Android开发高手

核心提示：454455Log.i(TAG, msg);456457}458459460461public static void main(String[] args) {462463/* FileDownloader loader = new FileDownloader(context, "http://brows

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455Log.i(TAG, msg);

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457}

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459

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461public static void main(String[] args) {

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463/* FileDownloader loader = new FileDownloader(context, "http://browse.babasport.com/ejb3/ActivePort.exe",

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465new File("D:\androidsoft\test"), 2);

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467loader.getFileSize();//得到文件总大小

468

469try {

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471loader.download(new DownloadProgressListener(){

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473public void onDownloadSize(int size) {

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475print("已经下载："+ size);

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477}

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479});

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481} catch (Exception e) {

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483e.printStackTrace();

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485}*/

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487}

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489

490}

2) 下面的类是真正支持下载的线程类：

view sourceprint?001import java.io.InputStream;

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003import java.io.RandomAccessFile;

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005import java.net.HttpURLConnection;

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007import java.net.URL;

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009

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011import android.util.Log;

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013

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015public class DownloadThread extends Thread {

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017private static final String TAG = "DownloadThread";

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019private RandomAccessFile saveFile;

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021private URL downUrl;

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023private int block;

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025/* 下载开始位置 */

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027private int threadId = -1;

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029private int startPos;

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031private int downLength;

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033private boolean finish = false;