how to fix android social app won't work on online hosting?

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Android

i am doing a social android app its connected to mysql database using json php the app is ok its running perfectly on my localhost but when i uploaded it to the online server this happens when a user wants to add new post and he enteres the text bushes the submit post button its says your post submited successfully but it inserts blank value in the posts table , the other problem is user profile pic won't display .here is my code for the posts
this happens only in the online hosting.
if i run it in localhost everything is perfect.

public class PublishActivity extends Activity implements OnClickListener {

	private ImageView mImagePreview;
	private String selectedImagePath = null;
	private String status = null;
	private ImageButton addPhoto, sendStatus, changePrivacy;
	private EditText input;
	private TextView profileName, postPrivacy;
	private ImageView profilePicture;
	private String privacy = "public";
	private Bitmap mBitmap;
	private Uri selectedImageUri = null;
	private ImageLoader mImageLoader = AppController.getInstance()
			.getImageLoader();
	private Intent mIntent;
	private String url;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_publish);
		initializeView();
		url = M.parseURL(AppConst.SIMPLEURINFO_URL + 0, this);
		newRequest(url);
	}

	public void initializeView() {
		addPhoto = (ImageButton) findViewById(R.id.addPhoto);
		sendStatus = (ImageButton) findViewById(R.id.sendStatus);
		changePrivacy = (ImageButton) findViewById(R.id.changePrivacy);
		mImagePreview = (ImageView) findViewById(R.id.imagePreview);
		input = (EditText) findViewById(R.id.statusEdittext);
		sendStatus.setOnClickListener(this);
		addPhoto.setOnClickListener(this);
		changePrivacy.setOnClickListener(this);
		profilePicture = (ImageView) findViewById(R.id.postOwnerImage);
		profileName = (TextView) findViewById(R.id.postOwnerName);
		postPrivacy = (TextView) findViewById(R.id.postPrivacy);
	}

	private void newRequest(String url) {
		JsonObjectRequest jsonReq = new JsonObjectRequest(Method.GET, url,
				null, new Response.Listener<JSONObject>() {

					@Override
					public void onResponse(JSONObject response) {
						if (response != null) {
							parseJson(response);
						}
					}

				}, new Response.ErrorListener() {

					@Override
					public void onErrorResponse(VolleyError error) {
					}
				});
		AppController.getInstance().addToRequestQueue(jsonReq);
	}

	public void onActivityResult(int requestCode, int resultCode, Intent data) {
		if (resultCode == RESULT_OK) {
			if (requestCode == AppConst.SELECT_PICTURE) {
				selectedImageUri = data.getData();
				if (Build.VERSION.SDK_INT < 19) {
					selectedImagePath = getPath(selectedImageUri);
					mBitmap = BitmapFactory.decodeFile(selectedImagePath);
					mImagePreview.setImageBitmap(mBitmap);
				} else {
					selectedImagePath = getImagePathForKitKat(selectedImageUri);
					ParcelFileDescriptor parcelFileDescriptor;
					try {
						parcelFileDescriptor = getContentResolver()
								.openFileDescriptor(selectedImageUri, "r");
						FileDescriptor fileDescriptor = parcelFileDescriptor
								.getFileDescriptor();
						mBitmap = BitmapFactory
								.decodeFileDescriptor(fileDescriptor);
						parcelFileDescriptor.close();
						mImagePreview.setImageBitmap(mBitmap);
					} catch (FileNotFoundException e) {
						e.printStackTrace();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
				if (mImagePreview.getVisibility() != View.VISIBLE) {
					mImagePreview.setVisibility(View.VISIBLE);
				}
			}
		}
	}

	public String getImagePathForKitKat(Uri uri) {
		Cursor cursor = getContentResolver().query(uri, null, null, null, null);
		cursor.moveToFirst();
		String document_id = cursor.getString(0);
		document_id = document_id.substring(document_id.lastIndexOf(":") + 1);
		cursor.close();

		cursor = getContentResolver().query(
				android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
				null, MediaStore.Images.Media._ID + " = ? ",
				new String[] { document_id }, null);
		cursor.moveToFirst();
		String path = cursor.getString(cursor
				.getColumnIndex(MediaStore.Images.Media.DATA));
		cursor.close();

		return path;
	}

	public String getPath(Uri uri) {
		if (uri == null) {
			return null;
		}
		String[] projection = { MediaStore.Images.Media.DATA };
		Cursor cursor = getContentResolver().query(uri, projection, null, null,
				null);
		if (cursor != null) {
			int column_index = cursor
					.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
			cursor.moveToFirst();
			return cursor.getString(column_index);
		}
		return uri.getPath();
	}

	@Override
	public void onClick(View v) {
		if (v.getId() == addPhoto.getId()) {
			Intent intent = new Intent();
			intent.setType("image/*");
			intent.setAction(Intent.ACTION_GET_CONTENT);
			startActivityForResult(
					Intent.createChooser(intent, "Resim Seç"),
					AppConst.SELECT_PICTURE);
		} else if (v.getId() == sendStatus.getId()) {

			String statusText = input.getText().toString().trim();
			if (statusText.isEmpty()) {
				status = null;
			} else {
				status = statusText;
			}
			M.L("S:" + status + " m:" + selectedImagePath);
			if (status == null && selectedImagePath == null) {
				M.T(PublishActivity.this,
						"Select an image or should at least add some text");
			} else {
				SendHttpRequestTask t = new SendHttpRequestTask();
				String[] params = new String[] { selectedImagePath, status,
						privacy };
				t.execute(params);
			}
		} else if (v.getId() == changePrivacy.getId()) {
			if (privacy.equals("public")) {
				postPrivacy.setText(R.string.privatePrivacy);
				privacy = "private";
				M.T(this, "Privacy changed to private");
			} else {
				postPrivacy.setText(R.string.publicPrivacy);
				privacy = "public";
				M.T(this, "Privacy changed to public");
			}
		}
	}

	private class SendHttpRequestTask extends AsyncTask<String, Void, String> {
		String data;

		@Override
		protected void onPreExecute() {
			super.onPreExecute();
			M.showLoadingDialog(PublishActivity.this);
		}

		@Override
		protected String doInBackground(String... params) {
			String filePath = params[0];
			String status = params[1];
			String privacy = params[2];
			try {
				data = M.publishStatus(
						M.parseURL(AppConst.PUBLISH_URL, PublishActivity.this),
						filePath, status, privacy);
			} catch (Exception e) {
				e.printStackTrace();
			}

			return data;
		}

		@Override
		protected void onPostExecute(String result) {
			super.onPostExecute(result);
			if (result.equals("done")) {
				M.hideLoadingDialog();
				url = M.parseURL(AppConst.POSTS_URL + 1, PublishActivity.this);
				M.removeCache(url);
				M.T(PublishActivity.this, "Post added successfully");
				mIntent = new Intent(PublishActivity.this, MainActivity.class);
				startActivity(mIntent);
			} else {
				M.hideLoadingDialog();
			}
		}
	}

	public void parseJson(JSONObject response) {
		try {
			profileName.setText(response.getString("name"));
			mImageLoader.get(AppConst.IMAGE_URL + response.getString("picture")
					+ "&p", new ImageListener() {
				@Override
				public void onErrorResponse(VolleyError arg0) {
				}

				@Override
				public void onResponse(ImageContainer response, boolean arg1) {
					if (response.getBitmap() != null) {
						ImageCircular bm = new ImageCircular(response
								.getBitmap());
						profilePicture.setImageDrawable(bm);
					}
				}
			});

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