package com.example.nishant.ftp1;

import android.annotation.SuppressLint;
import android.content.res.Configuration;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import org.apache.commons.net.ftp.*;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity {
    public FTPClient mFTPClient = null;
    Button but;



    private RecyclerView.LayoutManager layoutManager;
    private ArrayList<FileListObject> fileList = new ArrayList<>();
    private RecyclerAdapter adapter;





    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       // but = (Button) findViewById(R.id.button1);
        /*but.setOnClickListener(new View.OnClickListener() {

            @SuppressLint("StaticFieldLeak")
            @Override
            public void onClick(View v) {
                AsyncTask asyncTask = new AsyncTask<Object, Void, Object>() {
                    String host = "test.rebex.net", username = "demo", password = "password";
                    int port = 21;

                    @Override
                    protected Object doInBackground(Object[] objects) {
                        try {
                            mFTPClient = new FTPClient();
                            // connecting to the host
                            mFTPClient.connect(host,port);

                            // Now check the reply code, if positive mean connection success
                            if (FTPReply.isPositiveCompletion(mFTPClient.getReplyCode())) {

                                Log.v("wwww","Connected");
                                // Login using username & password
                                boolean status = mFTPClient.login(username, password);
                                mFTPClient.setFileType(FTP.BINARY_FILE_TYPE);
                                mFTPClient.enterLocalPassiveMode();


                              String toppath=null;

                                FTPFile[] ftpDirs = mFTPClient.listFiles("/pub/example/");
                                for (int i = 0; i < ftpDirs.length; i++) {
                                    toppath = ftpDirs[0].getName();
                                    Log.d("CONNECT", "Directories in the ftp server are "
                                            + ftpDirs[i].getName());

                                }







                                return status;
                            }
                        } catch (Exception e) {
                            return e;
                        }
                        return null;
                    }


                    public void onPostExecute(Object res) {
                        if (res instanceof Exception) {
                            int d = Toast.LENGTH_SHORT;
                            Toast toast = Toast.makeText(getApplicationContext(), "" + res, d);
                            toast.show();
                        }
                    }

                }.execute();
            }
        });*/



        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
        recyclerView.setHasFixedSize(true);

        layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);


        adapter = new RecyclerAdapter(fileList, this);
//        setUpList();

        recyclerView.setAdapter(adapter);
        new setUpList().execute();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);

        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
        recyclerView.setHasFixedSize(true);

        layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);

        Log.v("rec","in recycler");
        adapter = new RecyclerAdapter(fileList, this);
        recyclerView.setAdapter(adapter);
    }

   /* private void setUpList() {
        @SuppressLint("StaticFieldLeak")
        AsyncTask asyncTask = new AsyncTask<Object, Void, Object>() {
            String host = "test.rebex.net", username = "demo", password = "password";
            int port = 21;

            @Override
            protected Object doInBackground(Object[] objects) {
                try {
                    mFTPClient = new FTPClient();
                    // connecting to the host
                    mFTPClient.connect(host,port);

                    // Now check the reply code, if positive mean connection success
                    if (FTPReply.isPositiveCompletion(mFTPClient.getReplyCode())) {

                        Log.v("wwww","Connected");
                        // Login using username & password
                        boolean status = mFTPClient.login(username, password);
                        mFTPClient.setFileType(FTP.BINARY_FILE_TYPE);
                        mFTPClient.enterLocalPassiveMode();


                        String toppath=null;

                        try {
                            FTPFile[] ftpDirs = mFTPClient.listFiles("/pub/example/");
                            for (int i = 0; i < ftpDirs.length; i++) {
                                toppath = ftpDirs[0].getName();
                                Log.d("CONNECT", "Directories in the ftp server are "
                                        + ftpDirs[i].getName());
                            *//*FileListObject fileListObject = new FileListObject(ftpDirs[i].getName());
                            fileList.add(fileListObject);*//*
                                fileList.add(new FileListObject(ftpDirs[i].getName()));
                                // adapter.notifyDataSetChanged();
                            }
                            adapter.notifyDataSetChanged();

                        } catch (Exception e) {
                            e.printStackTrace();
                        }







                        return status;
                    }
                } catch (Exception e) {
                    return e;
                }
                return null;
            }


            public void onPostExecute(Object res) {
                if (res instanceof Exception) {
                    int d = Toast.LENGTH_SHORT;
                    Toast toast = Toast.makeText(getApplicationContext(), "" + res, d);
                    toast.show();
                }
            }

        }.execute();
    }*/
   public class setUpList extends AsyncTask<Object, Void, Object> {

           String host = "test.rebex.net", username = "demo", password = "password";
           int port = 21;

           @Override
           protected Object doInBackground(Object[] objects) {
               try {
                   mFTPClient = new FTPClient();
                   // connecting to the host
                   mFTPClient.connect(host,port);

                   // Now check the reply code, if positive mean connection success
                   if (FTPReply.isPositiveCompletion(mFTPClient.getReplyCode())) {

                       Log.v("wwww","Connected");
                       // Login using username & password
                       boolean status = mFTPClient.login(username, password);
                       mFTPClient.setFileType(FTP.BINARY_FILE_TYPE);
                       mFTPClient.enterLocalPassiveMode();


                       String toppath=null;

                       try {
                           FTPFile[] ftpDirs = mFTPClient.listFiles("/pub/example/");
                           for (int i = 0; i < ftpDirs.length; i++) {
                               toppath = ftpDirs[0].getName();
                               Log.d("CONNECT", "Directories in the ftp server are "
                                       + ftpDirs[i].getName());
                            /*FileListObject fileListObject = new FileListObject(ftpDirs[i].getName());
                            fileList.add(fileListObject);*/
                               fileList.add(new FileListObject(ftpDirs[i].getName()));
                               // adapter.notifyDataSetChanged();
                           }
                           adapter.notifyDataSetChanged();

                       } catch (Exception e) {
                           e.printStackTrace();
                       }







                       return status;
                   }
               } catch (Exception e) {
                   return e;
               }
               return null;
           }


           public void onPostExecute(Object res) {
               if (res instanceof Exception) {
                   int d = Toast.LENGTH_SHORT;
                   Toast toast = Toast.makeText(getApplicationContext(), "" + res, d);
                   toast.show();
               }
           }
   }
}

package com.example.nishant.ftp1;

/**
 * Created by Nishant on 1/24/2018.
 */


import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.v7.widget.RecyclerView;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Hitayu on 18-01-2018.
 */


public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ViewHolder> {

    private ArrayList<FileListObject> fileList = new ArrayList<>();
    private Context context;

    public RecyclerAdapter(ArrayList<FileListObject> fileList, Context context) {
        this.fileList = fileList;
        this.context = context;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_recycler_view,parent,false);

        return new ViewHolder(itemView);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {

        final FileListObject objec = fileList.get(position);
        Log.v("mmm",objec.getName());
        holder.fileText.setText(Html.fromHtml("<u>"+objec.getName()+"</u>"));

        /*holder.linearLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(objec.getLocation()));
                context.startActivity(intent);
            }
        });*/
    }

    @Override
    public int getItemCount() {
        return fileList.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder{

        public TextView fileText;
        public LinearLayout linearLayout;

        public ViewHolder(View itemView) {
            super(itemView);

            fileText = (TextView) itemView.findViewById(R.id.file);
            linearLayout = (LinearLayout) itemView.findViewById(R.id.layout);
        }
    }
}

package com.example.nishant.ftp1;

/**
 * Created by Nishant on 1/24/2018.
 */

public class FileListObject {
    String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public FileListObject(String name) {
        this.name = name;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.nishant.ftp1">

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

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity"
            android:screenOrientation="portrait">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#F6F6F6"
    android:orientation="vertical"
    tools:context="com.example.nishant.ftp1.MainActivity">


            <android.support.v7.widget.RecyclerView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/recycler_view"/>
        </LinearLayout>

<?xml version="1.0" encoding="utf-8"?>


<LinearLayout android:id="@+id/layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <TextView
        android:id="@+id/file"
        android:layout_width="match_parent"
        android:textColor="@color/colorPrimaryDark"
        android:layout_height="wrap_content"
        android:textSize="18sp"/>

</LinearLayout>