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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>


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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

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"/>
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.
E/BitmapFactory: Unable to decode stream: java.io.FileNotFoundException: Download/my_file.JPEG (No such file or director

E/BitmapFactory: Unable to decode stream: java.io.FileNotFoundException: Download/my_file.JPEG (No such file or director


By : user3434711
Date : March 29 2020, 07:55 AM
Any of those help I have tried every single way, but I haven't got output. It is showing an error I have tried various way.
code :
 File imgFile = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);

    if(!(imgFile==null)){
        Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getPath() + "/my_file.JPEG");
        myImage.setImageBitmap(myBitmap);
    }
    else {
        myImage.setImageResource(R.drawable.ic_launcher_background);
    }
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 :
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