Android รบกวนขอคำแนะนำในการ ดึงรูปจาก MySQL มาแสดงในแอพค่ะ

public class DetailActivity extends AppCompatActivity {

    @SuppressLint("NewApi")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_detail);

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

        showImage();

        Intent intent = getIntent();
        final String sid = intent.getStringExtra("id");

        final Button btnUpdate = (Button) findViewById(R.id.btnUpdate);
        btnUpdate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(DetailActivity.this, UpdateActivity.class);
                intent.putExtra("id", sid);
                startActivity(intent);
            }
        });

        //btnBack
        final Button btnBack = (Button) findViewById(R.id.btnBack);
        //Perform action on click
        btnBack.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent newActivity = new Intent(DetailActivity.this, MainActivity.class);
                startActivity(newActivity);
            }
        });
    }

    private void showImage() {
        final TextView tid = (TextView) findViewById(R.id.txtid);
        final TextView tImage = (TextView) findViewById(R.id.txtUrl);
        tImage.setVisibility(View.GONE);
        final ImageView imageView = (ImageView) findViewById(R.id.imgHouse);
        String url1 = "http://............................/getImageById.php";

        Intent intent = getIntent();
        final String id = intent.getStringExtra("id");

        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("sid", id));

        String resultServer = getHttpPost(url1, params);

        String strid = "";
        String strImage = "";

        JSONObject c1;
        try {
            c1 = new JSONObject(resultServer);
            strid = c1.getString("id");
            strImage = c1.getString("Image");

            if (!strid.equals("")) {
                tid.setText(strid);
                tImage.setText(strImage);

            } else {
                tid.setText("-");
                tImage.setText("-");

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

        String url2 = tImage.getText().toString();
        try {
            imageView.setImageBitmap(loadBitmap(url2));
        } catch (Exception e) {
            imageView.setImageResource(android.R.drawable.ic_menu_report_image);
            Toast.makeText(DetailActivity.this, "Load Image Failed.", Toast.LENGTH_LONG).show();
        }


    }

    private String getHttpPost(String url1, List<NameValuePair> params) {
        StringBuilder str = new StringBuilder();
        HttpClient client = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url1);

        try {
            httpPost.setEntity(new UrlEncodedFormEntity(params));
            HttpResponse response = client.execute(httpPost);
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200) {
                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();

    }

    private static final String TAG = "ERROR";
    private static final int IO_BUFFER_SIZE = 4 * 1024;
    public static Bitmap loadBitmap(String url2) {
        Bitmap bitmap = null;
        InputStream in = null;
        BufferedOutputStream out = null;

        try {
            in = new BufferedInputStream(new URL(url2).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();
            //option.inSampleSize =1;
            bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options);
        } catch (IOException e) {
            Log.e(TAG, "Could not load Bitmap from: " + url2);
        } 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);
        }
    }

}