this is the code to download a file from server using progress bar!!!!
hope might be you get some idea!!!
import android.app.Activity;
import android.os.Bundle;
import java.io.BufferedInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;
import android.app.Dialog;
import android.app.ProgressDialog;
//import android.content.Intent;
import android.os.AsyncTask;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class UploadingFile extends Activity {
public static final int DIALOG_DOWNLOAD_PROGRESS = 0;
private Button startBtn;
private Button next;
private ProgressDialog mProgressDialog;
Activity m_activity = this;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main3);
startBtn = (Button)findViewById(R.id.startBtn);
next = (Button) findViewById(R.id.Button02);
startBtn.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
// handleButtonClick();
//Intent myIntent = new Intent(v.getContext(),
UploadingFile.class);
// startActivityForResult(myIntent, 0);
// finish();
startDownload();
}
});
}
private void startDownload() {
String url = "
http://115.115.95.74/mobileapp/test60/uploads/phonedata.txt";;
new DownloadFileAsync().execute(url);
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DOWNLOAD_PROGRESS:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setMessage("Downloading file..");
Toast.makeText(this, "File Downloaded Sucessfully.....Please check your
file into sdcard",
Toast.LENGTH_LONG).show();
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setCancelable(false);
mProgressDialog.show();
return mProgressDialog;
default:
return null;
}
}
class DownloadFileAsync extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
showDialog(DIALOG_DOWNLOAD_PROGRESS);
}
@Override
protected String doInBackground(String... aurl) {
int count;
try {
URL url = new URL(aurl[0]);
URLConnection conexion = url.openConnection();
conexion.connect();
int lenghtOfFile = conexion.getContentLength();
Log.d("ANDRO_ASYNC", "Lenght of file: " + lenghtOfFile);
InputStream input = new BufferedInputStream(url.openStream());
OutputStream output = new
FileOutputStream("/sdcard/download/phonedata.txt");
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
publishProgress(""+(int)((total*100)/lenghtOfFile));
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
if(next != null){
m_activity.finish();
}
} catch (Exception e) {}
return null;
}
protected void onProgressUpdate(String... progress) {
Log.d("ANDRO_ASYNC",progress[0]);
mProgressDialog.setProgress(Integer.parseInt(progress[0]));
}
@Override
protected void onPostExecute(String unused) {
dismissDialog(DIALOG_DOWNLOAD_PROGRESS);
}}
}
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