Mysql Database To Android RecyclerView Source Code

package oshin.tasnuva.mysql;
import android.content.Intent;import android.os.AsyncTask;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.support.v7.widget.GridLayoutManager;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;
import org.json.JSONArray;import org.json.JSONException;import org.json.JSONObject;
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
    private RecyclerView recyclerView;    ArrayList<JsonDataList> arrayList;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        recyclerView = findViewById(R.id.recyclerview);        recyclerView.setHasFixedSize(true);
        RecyclerView.LayoutManager layoutManager = new GridLayoutManager(this,2);        recyclerView.setLayoutManager(layoutManager);
        arrayList = new ArrayList<JsonDataList>();
        JsonFetch jsonFetch = new JsonFetch();        jsonFetch.execute();

    }


    public class JsonFetch extends AsyncTask<String,String,String>{

                 HttpURLConnection httpURLConnection = null;                 String mainfile;        BufferedReader bufferedReader = null;        @Override        protected String doInBackground(String... strings) {


            try {
                URL url = new URL("https://api.myjson.com/bins/k21n6");                httpURLConnection  = (HttpURLConnection) url.openConnection();                httpURLConnection.connect();
                InputStream inputStream = httpURLConnection.getInputStream();               bufferedReader  = new BufferedReader(new InputStreamReader(inputStream));                StringBuffer stringBuffer = new StringBuffer();                String line =" ";                while ((line=bufferedReader.readLine())!=null){

                    stringBuffer.append(line);

                }

                 mainfile = stringBuffer.toString();

                JSONArray parent = new JSONArray(mainfile);                      int i =0;
                      while (i <= parent.length()){

                          JSONObject child = parent.getJSONObject(i);
                          String name = child.getString("user_name");                          String img = child.getString("user_img");                          String description = child.getString("user_description");
                         arrayList.add(new JsonDataList(name,img,description));
                             i++;                      }



            } catch (MalformedURLException e) {
                e.printStackTrace();            } catch (IOException e) {
                e.printStackTrace();            } catch (JSONException e) {
                e.printStackTrace();            }


            return null;        }

        @Override        protected void onPostExecute(String s) {
            super.onPostExecute(s);


            final JsonAdapter jsonAdapter = new JsonAdapter(arrayList, getApplicationContext(), new MyClick() {
                @Override                public void onClickMe(View view, int Position) {

                    String link = arrayList.get(Position).getUser_img();                    Intent i = new Intent(MainActivity.this,Main2Activity.class);                    i.putExtra("img",link);                    startActivity(i);

                }
            });            recyclerView.setAdapter(jsonAdapter);


            


        }
    }

}

     TO get the Full Code Please GO TO GitHub Profile 

      here is the link- > https://github.com/TasnuvaOshin