mysql android veri tabanına resim ekleme

package com.example.saglam.myapplication2321;

import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.AsyncTask;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Base64;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

import static com.example.saglam.myapplication2321.R.*;

public class MainActivity extends AppCompatActivity  implements View.OnClickListener {

    public static final String UPLOAD_URL = "http://169.254.39.2/android/upload.php";
    public static final String UPLOAD_KEY = "image";



    private int PICK_IMAGE_REQUEST = 1;

    private Button buttonChoose;
    private Button buttonUpload;
    private Button buttonView;

    private ImageView imageView;

    private Bitmap bitmap;

    private Uri filePath;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        buttonChoose = (Button) findViewById(R.id.buttonChoose);
        buttonUpload = (Button) findViewById(R.id.buttonUpload);
        buttonView = (Button) findViewById(R.id.buttonViewImage);

        imageView = (ImageView) findViewById(R.id.imageView);

        buttonChoose.setOnClickListener(this);
        buttonUpload.setOnClickListener(this);
        buttonView.setOnClickListener(this);
    }

    private void showFileChooser() {
        Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);
        startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE_REQUEST);
    }

    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {

            filePath = data.getData();
            try {
                bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
                imageView.setImageBitmap(bitmap);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public String getStringImage(Bitmap bmp){
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        byte[] imageBytes = baos.toByteArray();
        String encodedImage = Base64.encodeToString(imageBytes, Base64.DEFAULT);
        return encodedImage;
    }

    private void uploadImage(){
        class UploadImage extends AsyncTask<Bitmap,Void,String>{

            ProgressDialog loading;
            RequestHandler rh = new RequestHandler();

            @Override            protected void onPreExecute() {
                super.onPreExecute();
                loading = ProgressDialog.show(MainActivity.this, "Uploading...", null,true,true);
            }

            @Override            protected void onPostExecute(String s) {
                super.onPostExecute(s);
                loading.dismiss();
                Toast.makeText(getApplicationContext(),s,Toast.LENGTH_LONG).show();
            }

            @Override            protected String doInBackground(Bitmap... params) {
                Bitmap bitmap = params[0];
                String uploadImage = getStringImage(bitmap);

                HashMap<String,String> data = new HashMap<>();

                data.put(UPLOAD_KEY, uploadImage);
                String result = rh.sendPostRequest(UPLOAD_URL,data);

                return result;
            }
        }

        UploadImage ui = new UploadImage();
        ui.execute(bitmap);
    }

    @Override    public void onClick(View v) {
        if (v == buttonChoose) {
            showFileChooser();
        }

        if(v == buttonUpload){
            uploadImage();
        }

        if(v == buttonView){
            viewImage();
        }
    }

    private void viewImage() {
        startActivity(new Intent(this, ImageListView.class));
    }
}