android實現帶進度條的檔案上傳

MainActivity.java

package com.example.upload;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ProgressBar;public class MainActivity extends Activity implements OnClickListener{public static String url = "http://xxx.xxx.xx";public static String path = "/sdcard/wrar380sc.exe";public static ProgressBar bar;Button upload;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);bar = (ProgressBar) findViewById(R.id.ProgressBar01);upload = (Button) findViewById(R.id.button1);upload.setOnClickListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.activity_main, menu);return true;}@Overridepublic void onClick(View v) {HttpMultipartPost task = new HttpMultipartPost(this);task.execute();}}

HttpMultipartPost.java

package com.example.upload;import java.io.File;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpPost;import org.apache.http.entity.mime.content.FileBody;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.protocol.BasicHttpContext;import org.apache.http.protocol.HttpContext;import org.apache.http.util.EntityUtils;import android.app.ProgressDialog;import android.content.Context;import android.os.AsyncTask;import com.example.upload.CustomMultiPartEntity.ProgressListener;public class HttpMultipartPost extends AsyncTask<HttpResponse, Integer, String> {ProgressDialog pd;long totalSize;Context context;public HttpMultipartPost(Context context) {this.context = context;}@Overrideprotected void onPreExecute() {pd = new ProgressDialog(context);pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);pd.setMessage("Uploading Picture...");pd.setCancelable(false);pd.show();}@Overrideprotected String doInBackground(HttpResponse... arg0) {HttpClient httpClient = new DefaultHttpClient();HttpContext httpContext = new BasicHttpContext();HttpPost httpPost = new HttpPost(MainActivity.url);try {CustomMultiPartEntity multipartContent = new CustomMultiPartEntity(new ProgressListener() {@Overridepublic void transferred(long num) {publishProgress((int) ((num / (float) totalSize) * 100));}});// We use FileBody to transfer an imagemultipartContent.addPart("file", new FileBody(new File(MainActivity.path)));totalSize = multipartContent.getContentLength();// Send ithttpPost.setEntity(multipartContent);HttpResponse response = httpClient.execute(httpPost, httpContext);String serverResponse = EntityUtils.toString(response.getEntity());// ResponseFactory rp = new ResponseFactory(serverResponse);// return (TypeImage) rp.getData();return serverResponse;}catch (Exception e) {System.out.println(e);}return null;}@Overrideprotected void onProgressUpdate(Integer... progress) {pd.setProgress((int) (progress[0]));}@Overrideprotected void onPostExecute(String ui) {pd.dismiss();}}

自訂的CustomMultiPartEntity.java

http://blog.csdn.net/jdsjlzx/article/details/8895035

完整代碼：

http://download.csdn.net/download/yyc_god/5045872