如何成为Android开发高手

核心提示：04050607public class StreamTool {0809/**1011* 从输入流获取数据1213* @param inputStream1415* @return1617* @throws Exception1819*/2021 public static byte[] readInputStrea

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07public class StreamTool {

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09/**

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11* 从输入流获取数据

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13* @param inputStream

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15* @return

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17* @throws Exception

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19*/

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21 public static byte[] readInputStream(InputStream inputStream) throws Exception {

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23 byte[] buffer = new byte[1024]; //你可以根据实际需要调整缓存大小

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25 int len = -1;

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27 ByteArrayOutputStream outSteam = new ByteArrayOutputStream();

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29 while( (len = inputStream.read(buffer)) != -1 ){

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31 outSteam.write(buffer, 0, len);

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33 }

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35 outSteam.close();

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37 inputStream.close();

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39 return outSteam.toByteArray();

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41 }

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43}

2) 通过Android客户端上传数据到服务器：可以上传简单的表单，也可以方便的上传带有附件的文件，此类远远比Android自身的HttpClient更高效、更易于使用：

view sourceprint?001import java.io.DataOutputStream;

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003import java.io.InputStream;

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005import java.net.HttpURLConnection;

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007import java.net.URL;

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009import java.net.URLEncoder;

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011import java.util.ArrayList;

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013import java.util.List;

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015import java.util.Map;

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019import org.apache.http.HttpResponse;

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021import org.apache.http.NameValuePair;

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023import org.apache.http.client.HttpClient;

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025import org.apache.http.client.entity.UrlEncodedFormEntity;