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Android: Unable to download file from Server


Android: Unable to download file from Server

By : user2951542
Date : November 18 2020, 11:13 AM
it helps some times This exception is thrown when an application attempts to perform a networking operation on its main thread. Run your code in AsyncTask:
code :
class downloadFile extends AsyncTask<Void, Void, Void>
    {

        @Override
        protected Void doInBackground(Void... params) 
        {
            downloadFile(file_url_list[position], "aaa");
            return null;
        }

    }

new downloadFile().execute();

<uses-permission android:name="android.permission.INTERNET"/>


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Unable to show Download Progress of File from New Server (worked on previous server)

Unable to show Download Progress of File from New Server (worked on previous server)


By : user3088224
Date : March 29 2020, 07:55 AM
it should still fix some issue Just posting the result as an answer so I can mark the question as answered. to all for the helpful comments!
I found a forum on the hosting provider's website where someone explained that gzip has recently been turned on, and detailed how to stop it. http://www.bluehostforum.com/showthread.php?18996-Turning-off-Gzip
code :
SetEnv no-gzip dont-vary
Android: Unable to download file from Server (FileNotFoundException)

Android: Unable to download file from Server (FileNotFoundException)


By : user2951614
Date : November 18 2020, 11:13 AM
With these it helps I was trying to download file from Server. Code as follows: , Try this simple example:
code :
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.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class download extends Activity {

    public static final int DIALOG_DOWNLOAD_PROGRESS = 0;
    private Button startBtn;
    private ProgressDialog mProgressDialog;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        startBtn = (Button)findViewById(R.id.startBtn);
        startBtn.setOnClickListener(new OnClickListener(){
            public void onClick(View v) {
                startDownload();
            }
        });
    }

    private void startDownload() {
        String url = "http://yoursite"; //your download url
        new DownloadFileAsync().execute(url);
    }
    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
        case DIALOG_DOWNLOAD_PROGRESS:
            mProgressDialog = new ProgressDialog(this);
            mProgressDialog.setMessage("Downloading file..");
            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/YOURFLIENAME.XLS"); //save file in SD Card

    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();
    } 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);
    }
}
}
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
Unable to download txt file from ftp server in Android

Unable to download txt file from ftp server in Android


By : Reza Samet
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further It sounds like you don't have the right directory or file location at the server level.
Unable to download the file from local server to android emulator

Unable to download the file from local server to android emulator


By : Luís Fernando Sant'A
Date : March 29 2020, 07:55 AM
this one helps. I am trying to download the data from the local server on my emulator but I am not getting getting the data. How can this task be completed , you should change the url to :
Android: download file from server and show the download progress in the notification bar using AsyncTask

Android: download file from server and show the download progress in the notification bar using AsyncTask


By : chintala sandeep
Date : March 29 2020, 07:55 AM
I hope this helps you . I am using this example to download a file from a server using AsycTask and to show the downlaod progress in a notification bar. I just modified the doInBackground method in order to downoad my file: , Following is picked from the comments.
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