Android ดึงข้อมูล Json จาก Web server มาใส่ใน app ไม่ขึ้น แต่เรียกดูผ่าน Web browser ขึ้น

package com.example.travelguide.travelguide;

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.StrictMode;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.telecom.Call;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;


import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class Main10Activity extends AppCompatActivity {
    private ListView listView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main10);

// Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }

        // listView1
        final ListView lstView1 = (ListView)findViewById(R.id.list_item);

      



        String url = "http://tarvel.rf.gd/json.php";

        try {
            JSONArray data = new JSONArray(getJSONUrl(url));

            final ArrayList<HashMap<String, String>> MyArrList = new ArrayList<HashMap<String, String>>();
            HashMap<String, String> map;

            for(int i = 0; i < data.length(); i++){
                JSONObject c = data.getJSONObject(i);
                map = new HashMap<String, String>();
                map.put("Name", c.getString("Name"));
                map.put("Details", c.getString("Details"));
                map.put("Pic1", c.getString("Pic1"));
                MyArrList.add(map);
            }


            lstView1.setAdapter(new ImageAdapter(this,MyArrList));

            final AlertDialog.Builder imageDialog = new AlertDialog.Builder(this);
            final LayoutInflater inflater = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);






        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }


    }


    public class ImageAdapter extends BaseAdapter
    {
        private Context context;
        private ArrayList<HashMap<String, String>> MyArr = new ArrayList<HashMap<String, String>>();

        public ImageAdapter(Context c, ArrayList<HashMap<String, String>> list)
        {
            // TODO Auto-generated method stub
            context = c;
            MyArr = list;
        }

        public int getCount() {
            // TODO Auto-generated method stub
            return MyArr.size();
        }

        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return position;
        }

        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return position;
        }
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub

            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);


            if (convertView == null) {
                convertView = inflater.inflate(R.layout.list_item, null);
            }

            // ColImage
            ImageView imageView = (ImageView) convertView.findViewById(R.id.image);
            imageView.getLayoutParams().height = 500;
            imageView.getLayoutParams().width = 400;
            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
            try
            {
                imageView.setImageBitmap(loadBitmap(MyArr.get(position).get("Pic1")));
            } catch (Exception e) {
                // When Error
                imageView.setImageResource(android.R.drawable.ic_menu_report_image);
            }

            // ColPosition
            TextView txtPosition = (TextView) convertView.findViewById(R.id.title);
            txtPosition.setPadding(10, 0, 0, 0);
            txtPosition.setText( MyArr.get(position).get("Name"));

            // ColPicname
            TextView txtPicName = (TextView) convertView.findViewById(R.id.desc);
            txtPicName.setPadding(50, 0, 0, 0);
            txtPicName.setText( MyArr.get(position).get("Details"));



            final String Name=MyArr.get(position).get("Name");
            final String Details=MyArr.get(position).get("Details");
            final String Pic1=MyArr.get(position).get("Pic1");

            convertView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    //OPEN DETAIL ACTIVITY
                    openDetailActivity(Name,Details,Pic1);

                }
            });

            return convertView;

        }

    }

    /*** Get JSON Code from URL ***/
    public String getJSONUrl(String url) {
        StringBuilder str = new StringBuilder();
        HttpClient client = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(url);
        try {
            HttpResponse response = client.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200) { // Download OK
                HttpEntity entity = response.getEntity();
                InputStream content = entity.getContent();
                BufferedReader reader = new BufferedReader(new InputStreamReader(content));
                String line;
                while ((line = reader.readLine()) != null) {
                    str.append(line);
                }
            } else {
                Log.e("Log", "Failed to download file..");
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return str.toString();
    }


    /***** Get Image Resource from URL (Start) *****/
    private static final String TAG = "ERROR";
    private static final int IO_BUFFER_SIZE = 4 * 1024;
    public static Bitmap loadBitmap(String url) {
        Bitmap bitmap = null;
        InputStream in = null;
        BufferedOutputStream out = null;

        try {
            in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

            final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
            out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
            copy(in, out);
            out.flush();

            final byte[] data = dataStream.toByteArray();
            BitmapFactory.Options options = new BitmapFactory.Options();
            //options.inSampleSize = 1;

            bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
        } catch (IOException e) {
            Log.e(TAG, "Could not load Bitmap from: " + url);
        } finally {
            closeStream(in);
            closeStream(out);
        }

        return bitmap;
    }

    private static void closeStream(Closeable stream) {
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException e) {
                android.util.Log.e(TAG, "Could not close stream", e);
            }
        }
    }

    private static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] b = new byte[IO_BUFFER_SIZE];
        int read;
        while ((read = in.read(b)) != -1) {
            out.write(b, 0, read);
        }
    }



    private void openDetailActivity(String...details)
    {
        Intent i=new Intent(this,MainShowActivity.class);
        i.putExtra("locationnew",details[0]);
        i.putExtra("desc",details[1]);
        i.putExtra("USERNAME_KEY",details[2]);

        this.startActivity(i);

    }




}