When I launch my application, there is no crash but the data in json is not displayed and in the logs there are these messages:
    05-02 14:50:11.907 11066-11066/com.example.nicol.etablissement43 W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
05-02 14:50:12.460 11066-11180/com.example.nicol.etablissement43 E/GED: Failed to get GED Log Buf, err(0)
05-02 14:50:12.551 11066-11066/com.example.nicol.etablissement43 W/art: Before Android 4.1, method int android.support.v7.widget.ListViewCompat.lookForSelectablePosition(int, boolean) would have incorrectly overridden the package-private method in android.widget.ListView
05-02 14:50:20.547 11066-11066/com.example.nicol.etablissement43 W/System.err: org.json.JSONException: Value [{"id":"1","ville":"ARAULES"},{"id":"2","ville":"AUREC SUR LOIRE"},{"id":"3","ville":"AUREC SUR LOIRE"},{"id":"4","ville":"BAINS"},{"id":"5","ville":" BAS EN BASSET"},{"id":"6","ville":"BEAULIEU"},{"id":"7","ville":"BEAUZAC"},{"id":"8","ville":"BRIOUDE"},{"id":"9","ville":" BRIOUDE"},{"id":"10","ville":"BRIOUDE"},{"id":"11","ville":" BRIVES CHARENSAC"},{"id":"12","ville":" BRIVES CHARENSAC"},{"id":"13","ville":" BRIVES CHARENSAC"},{"id":"14","ville":" BRIVES CHARENSAC"},{"id":"15","ville":"BRIVES CHARENSAC"},{"id":"16","ville":"COUBON"},{"id":"17","ville":"CRAPONNE"},{"id":"18","ville":"DUNI\u00c8RES"},{"id":"19","ville":"CRAPONNE"},{"id":"20","ville":"DUNI\u00c8RES"},{"id":"21","ville":"ESPALY"},{"id":"22","ville":"GRAZAC"},{"id":"23","ville":"LANGEAC"},{"id":"24","ville":"LANGEAC"},{"id":"25","ville":" LANTRIAC"},{"id":"26","ville":"LAPTE"},{"id":"27","ville":"LAUSSONNE"},{"id":"28","ville":" LAVOUTE CHILHAC"},{"id":"29","ville":"LE MONASTIER"},{"id":"30","ville":"LE MONASTIER"},{"id":"31","ville":"MONISTROL\/LOIRE"},{"id":"32","ville":"MONISTROL\/LOIRE"},{"id":"33","ville":"MONISTROL\/LOIRE"},{"id":"34","ville":"MONTFAUCON"},{"id":"35","ville":" MONTREGARD"},{"id":"36","ville":"POLIGNAC"},{"id":"37","ville":"PRADELLES"},{"id":"38","ville":"LE PUY EN VELAY"},{"id":"39","ville":"LE PUY EN VELAY"},{"id":"40","ville":"LE PUY EN VELAY"},{"id":"41","ville":"LE PUY EN VELAY"},{"id":"42","ville":"LE PUY EN VELAY"},{"id":"43","ville":"LE PUY EN VELAY"},{"id":"44","ville":"VALS PRES LE PUY"},{"id":"45","ville":"LE PUY EN VELAY"},{"id":"46","ville":"LE PUY EN VELAY"},{"id":"47","ville":"LE PUY EN VELAY"},{"id":"48","ville":"LE PUY EN VELAY"},{"id":"49","ville":"RAUCOULES"},{"id":"50","ville":"LE PUY EN VELAY"},{"id":"51","ville":"RETOURNAC"},{"id":"52","ville":"RIOTORD"},{"id":"53","ville":"ROSIERES"},{"id":"54","ville":"ST BONNET LE FROID"},{"id":"55","ville":"ST DIDIER EN VELAY"},{"id":"56","ville":"ST DIDIER EN VELAY"},{"id":"57","ville":"ST FERREOL D\u2019AUROURE"},{"id":"58","ville":"SAINT FRONT"},{"id":"59","ville":"ST GERMAIN LAPRADE"},{"id":"60","ville":"STE FLORINE"},{"id":"61","ville":"STE FLORINE"},{"id":"62","ville":"ST JULIEN CHAPTEUIL"},{"id":"63","ville":"ST JULIEN CHAPTEUIL"},{"id":"64","ville":"ST JUST MALMONT"},{"id":"65","ville":"ST MAURICE DE LIGNON"},{"id":"66","ville":"ST PAL\/CHALENCON"},{"id":"67","ville":"ST PAL DE MONS"},{"id":"68","ville":"SAINT PAULIEN"},{"id":"69","ville":"ST PIERRE D\/CHAMP"},{"id":"70","ville":"ST ROMAIN LACHALM"},{"id":"71","ville":"STE SIGOL\u00c8NE"},{"id":"72","ville":"STE SIGOL\u00c8NE"},{"id":"73","ville":"ST VICTOR MALESCOURS"},{"id":"74","ville":"SAUGUES"},{"id":"75","ville":"SAUGUES"},{"id":"76","ville":"LA SEAUVE S\/SEM\u00c8NE"},{"id":"77","ville":"SOLIGNAC\/LOIRE"},{"id":"78","ville":"TENCE"},{"id":"79","ville":"TENCE"},{"id":"80","ville":"TIRANGES"},{"id":"81","ville":"VERGEZAC"},{"id":"82","ville":"LES VILLETTES"},{"id":"83","ville":"VOREY"},{"id":"84","ville":"YSSINGEAUX"},{"id":"85","ville":"YSSINGEAUX "},{"id":"86","ville":"YSSINGEAUX "},{"id":"87","ville":"YSSINGEAUX"}] of type java.lang.String cannot be converted to JSONArray
05-02 14:50:20.548 11066-11066/com.example.nicol.etablissement43 W/System.err:     at org.json.JSON.typeMismatch(JSON.java:111)
My main program ( recherche_2.java) :
package com.example.nicol.etablissement43;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.StrictMode;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.HttpConnectionParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
/**
 * Created by nicol on 25/04/2017.
 */
public class recherche_2 extends AppCompatActivity {
    private static final String LOG_TAG = "Selection Ville";
    private ListView Ville;
    private ArrayAdapter<String> listAdapter ;
    private AdapterClient adapterClient ;
    private TextView SQLData;
    @Override/*
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.recherche_2);
    }*/
    protected void onCreate(Bundle savedInstanceState) {
        {
            if (Build.VERSION.SDK_INT > 8) {
                StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
                StrictMode.setThreadPolicy(policy);
            }
            super.onCreate(savedInstanceState);
            String page = this.getPage("http://appec43.890m.com/connectionbddandroid/config.inc.php");
            Log.i("ContenuPost", page);
            setContentView(R.layout.recherche_2);
            SQLData = (TextView)findViewById(R.id.SQLData);
            Ville = (ListView) findViewById(R.id.Ville);
            SQLData.setText("Les villes");
            SQLData.setText("Les villes");
            //String[] planets = new String[] {""};
            // ArrayList<String> planetList = new ArrayList<String>();
            // planetList.addAll( Arrays.asList(planets) );
            //listAdapter = new ArrayAdapter<String>(this, R.layout.simplerow, planetList);
            adapterClient = new AdapterClient(this, R.layout.recherche_2);
            try {
                JSONArray jsonArray = new JSONArray(page);
                for (int i = 0; i < jsonArray.length(); i++) {
                    JSONObject jsonObject = jsonArray.getJSONObject(i);
                    client clientobj = new client();
                    clientobj.setVille(jsonObject.getString("Ville"));
                    clientobj.setCodepostal(jsonObject.getString("codepostal"));
                    adapterClient.add(clientobj);
                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
        /*
        String[] split = page.split(",");
        for (int i = 0; i < split.length; i++) {
            listAdapter.add( split[i] );
            if (i != split.length - 1) {
                listAdapter.add(" ");
            }
        }
        */
           Ville.setAdapter(adapterClient);
        }
    }
    public String getPage(String adresse){
        StringBuffer stringBuffer = new StringBuffer("");
        BufferedReader bufferedReader = null;
        try {
            HttpClient httpClient = new DefaultHttpClient();
            HttpConnectionParams.setConnectionTimeout(httpClient.getParams(), 15000);
            HttpPost httpPost = new HttpPost();
            URI uri = new URI(adresse);
            httpPost.setURI(uri);
            List<NameValuePair> parametres = new ArrayList<NameValuePair>();
            parametres.add(new BasicNameValuePair("login", "u265740438_root2"));
            parametres.add(new BasicNameValuePair("pass", "nicolas"));
            UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(parametres);
            httpPost.setEntity(formEntity);
            HttpResponse httpResponse = httpClient.execute(httpPost);
            InputStream inputStream = httpResponse.getEntity().getContent();
            bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            String ligneLue = bufferedReader.readLine();
            while (ligneLue != null) {
                Log.i("Valeur", ligneLue);
                stringBuffer.append(ligneLue);
                stringBuffer.append("\n");
                ligneLue = bufferedReader.readLine();
            }
        }
        catch(Exception e) {
            Log.e("Erreur", e.getMessage());
        }
        finally{
            if(bufferedReader != null){
                try{
                    bufferedReader.close();
                }
                catch (IOException e){
                }
            }
        }
        return stringBuffer.toString();
    }
    }
my other part of project :
client.java :
package com.example.nicol.etablissement43;
public class client {
    private String ville;
    private String codepostal;
    public void setVille(String ville){ this.ville = ville ;}
    public void setCodepostal(String codepostal){this.codepostal = codepostal;}
    public String getVille(){return this.ville;}
    public String getcodepostal(){return this.codepostal;}
}
Adapter client.java :
package com.example.nicol.etablissement43;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
public class AdapterClient extends ArrayAdapter<client>
{
    public AdapterClient(Context context, int textViewRessourceId)
    {
        super(context, textViewRessourceId);
    }
    public View getView(int position, View convertView, ViewGroup parent)
    {
        View result = convertView;
        if (convertView == null)
        {
            result = LayoutInflater.from(getContext()).inflate(R.layout.ligne, parent, false);
        }
        client Ville = getItem(position);
        //Assigner aux textView les valeurs obtenues par les get de la classe client
        TextView ville = (TextView)result.findViewById(R.id.idv);
        ville.setText(Ville.getVille());
        TextView nom = (TextView)result.findViewById(R.id.villes);
        nom.setText(Ville.getcodepostal());
        return result;
    }
}
And my layout :
recherche_2.xml :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    <TextView
        android:text="Villes"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/SQLData"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginLeft="52dp"
        android:layout_marginStart="52dp" />
    <ListView
        android:id="@+id/Ville"
        style="@style/Widget.AppCompat.Light.ListView.DropDown"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/textView"
        android:layout_marginTop="24dp" />
</RelativeLayout>
ligne.xml :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <TextView xmlns:android="http://schemas.android.com/apk/res/android"
        android:text="TextView"
        android:layout_width="45dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="25dp"
        android:id="@+id/idv"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
    <TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:text="TextView"
    android:layout_width="330dp"
    android:layout_height="wrap_content"
    android:layout_marginLeft="0dp"
    android:layout_alignTop="@+id/villes"
    android:layout_toEndOf="@+id/villes"
    android:id="@+id/villes"
    android:layout_toRightOf="@+id/villes" />
</LinearLayout>
    <!--
    <TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/rowTextView"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:padding="10dp"
    android:textSize="16sp" >
    </TextView>
    -->
and Json :
"[{\"id\":\"1\",\"ville\":\"ARAULES\"},{\"id\":\"2\",\"ville\":\"AUREC SUR LOIRE\"},{\"id\":\"3\",\"ville\":\"AUREC SUR LOIRE\"},{\"id\":\"4\",\"ville\":\"BAINS\"},{\"id\":\"5\",\"ville\":\" BAS EN BASSET\"},{\"id\":\"6\",\"ville\":\"BEAULIEU\"},{\"id\":\"7\",\"ville\":\"BEAUZAC\"},{\"id\":\"8\",\"ville\":\"BRIOUDE\"},{\"id\":\"9\",\"ville\":\" BRIOUDE\"},{\"id\":\"10\",\"ville\":\"BRIOUDE\"},{\"id\":\"11\",\"ville\":\" BRIVES CHARENSAC\"},{\"id\":\"12\",\"ville\":\" BRIVES CHARENSAC\"},{\"id\":\"13\",\"ville\":\" BRIVES CHARENSAC\"},{\"id\":\"14\",\"ville\":\" BRIVES CHARENSAC\"},{\"id\":\"15\",\"ville\":\"BRIVES CHARENSAC\"},{\"id\":\"16\",\"ville\":\"COUBON\"},{\"id\":\"17\",\"ville\":\"CRAPONNE\"},{\"id\":\"18\",\"ville\":\"DUNI\\u00c8RES\"},{\"id\":\"19\",\"ville\":\"CRAPONNE\"},{\"id\":\"20\",\"ville\":\"DUNI\\u00c8RES\"},{\"id\":\"21\",\"ville\":\"ESPALY\"},{\"id\":\"22\",\"ville\":\"GRAZAC\"},{\"id\":\"23\",\"ville\":\"LANGEAC\"},{\"id\":\"24\",\"ville\":\"LANGEAC\"},{\"id\":\"25\",\"ville\":\" LANTRIAC\"},{\"id\":\"26\",\"ville\":\"LAPTE\"},{\"id\":\"27\",\"ville\":\"LAUSSONNE\"},{\"id\":\"28\",\"ville\":\" LAVOUTE CHILHAC\"},{\"id\":\"29\",\"ville\":\"LE MONASTIER\"},{\"id\":\"30\",\"ville\":\"LE MONASTIER\"},{\"id\":\"31\",\"ville\":\"MONISTROL\\\/LOIRE\"},{\"id\":\"32\",\"ville\":\"MONISTROL\\\/LOIRE\"},{\"id\":\"33\",\"ville\":\"MONISTROL\\\/LOIRE\"},{\"id\":\"34\",\"ville\":\"MONTFAUCON\"},{\"id\":\"35\",\"ville\":\" MONTREGARD\"},{\"id\":\"36\",\"ville\":\"POLIGNAC\"},{\"id\":\"37\",\"ville\":\"PRADELLES\"},{\"id\":\"38\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"39\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"40\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"41\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"42\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"43\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"44\",\"ville\":\"VALS PRES LE PUY\"},{\"id\":\"45\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"46\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"47\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"48\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"49\",\"ville\":\"RAUCOULES\"},{\"id\":\"50\",\"ville\":\"LE PUY EN VELAY\"},{\"id\":\"51\",\"ville\":\"RETOURNAC\"},{\"id\":\"52\",\"ville\":\"RIOTORD\"},{\"id\":\"53\",\"ville\":\"ROSIERES\"},{\"id\":\"54\",\"ville\":\"ST BONNET LE FROID\"},{\"id\":\"55\",\"ville\":\"ST DIDIER EN VELAY\"},{\"id\":\"56\",\"ville\":\"ST DIDIER EN VELAY\"},{\"id\":\"57\",\"ville\":\"ST FERREOL D\\u2019AUROURE\"},{\"id\":\"58\",\"ville\":\"SAINT FRONT\"},{\"id\":\"59\",\"ville\":\"ST GERMAIN LAPRADE\"},{\"id\":\"60\",\"ville\":\"STE FLORINE\"},{\"id\":\"61\",\"ville\":\"STE FLORINE\"},{\"id\":\"62\",\"ville\":\"ST JULIEN CHAPTEUIL\"},{\"id\":\"63\",\"ville\":\"ST JULIEN CHAPTEUIL\"},{\"id\":\"64\",\"ville\":\"ST JUST MALMONT\"},{\"id\":\"65\",\"ville\":\"ST MAURICE DE LIGNON\"},{\"id\":\"66\",\"ville\":\"ST PAL\\\/CHALENCON\"},{\"id\":\"67\",\"ville\":\"ST PAL DE MONS\"},{\"id\":\"68\",\"ville\":\"SAINT PAULIEN\"},{\"id\":\"69\",\"ville\":\"ST PIERRE D\\\/CHAMP\"},{\"id\":\"70\",\"ville\":\"ST ROMAIN LACHALM\"},{\"id\":\"71\",\"ville\":\"STE SIGOL\\u00c8NE\"},{\"id\":\"72\",\"ville\":\"STE SIGOL\\u00c8NE\"},{\"id\":\"73\",\"ville\":\"ST VICTOR MALESCOURS\"},{\"id\":\"74\",\"ville\":\"SAUGUES\"},{\"id\":\"75\",\"ville\":\"SAUGUES\"},{\"id\":\"76\",\"ville\":\"LA SEAUVE S\\\/SEM\\u00c8NE\"},{\"id\":\"77\",\"ville\":\"SOLIGNAC\\\/LOIRE\"},{\"id\":\"78\",\"ville\":\"TENCE\"},{\"id\":\"79\",\"ville\":\"TENCE\"},{\"id\":\"80\",\"ville\":\"TIRANGES\"},{\"id\":\"81\",\"ville\":\"VERGEZAC\"},{\"id\":\"82\",\"ville\":\"LES VILLETTES\"},{\"id\":\"83\",\"ville\":\"VOREY\"},{\"id\":\"84\",\"ville\":\"YSSINGEAUX\"},{\"id\":\"85\",\"ville\":\"YSSINGEAUX \"},{\"id\":\"86\",\"ville\":\"YSSINGEAUX \"},{\"id\":\"87\",\"ville\":\"YSSINGEAUX\"}]"
Is there a solution to this problem? Because I have a lot to look for and I am not yet find thank you in advance