LoginActivity.java:

	btnGallery.setOnClickListener(new OnClickListener() {

					@Override
	    			public void onClick(View v) {
	    				// TODO Auto-generated method stub
						  AlertDialog.Builder alertdialog = new AlertDialog.Builder(LoginActivity.this);
						                alertdialog.setTitle(getResources().getString(R.string.app_name));
						                alertdialog.setMessage("No Images found in UploadActivity");
						                alertdialog.setPositiveButton("OK", new DialogInterface.OnClickListener()
						                {
						                    public void onClick(DialogInterface dialog, int which) {
						                        finish(); //Finish your UploadActivity here.
						                        }
						                    });
						                alertdialog.show();

			                }
			            });


UploadActivity.java:-

public class UploadActivity extends Activity  {

		final private static int DIALOG_LOGIN = 1;
		EditText editPersonName, editPersonaEmail, editPersonTelephone, parental_email ;
		TextView editImageName ;
		String fileName;

		static ListView lstView;
		private Handler handler = new Handler();;

		static List <String> ImageList;
		String strPath;

		CheckBox chkOption3;

		TextView tv1, tv2;
		CheckBox chkOption1, chkOption2 ;

		int position ;

		static File f1;

		static String folder = null ;

		Intent i;
		Intent intent ;

		TextView textHeading1;

		static File[] files;
		static File  file ;

		static List <String> it ;

		static String textHeading = null;
		// new Class DB
		final myDBClasss myDb = new myDBClasss(this);

		@Override
		public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_upload);

		textHeading1 = (TextView) findViewById(R.id.txtEventNameDate1);
		textHeading1.setText(CameraLauncherActivity.folder);

		final ImageButton buttonBack = (ImageButton) findViewById(R.id.back_btn);
        buttonBack.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                // Perform action on click
            	CameraLauncherActivity.isReturning = true;
                i = new Intent(getApplicationContext(), CameraLauncherActivity.class);
                i.putExtra("folder_name", CameraLauncherActivity.folder);
                i.putExtra("isReturning", true);
                startActivity(i);
            }
        });

        ImageButton buttonSync = (ImageButton) findViewById(R.id.sync_btn);
        buttonSync.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub

				 for(int i=0; i<lstView.getChildCount(); i++)
	             {
					 startUpload(i);
	             }
			}
		});


		/*** Get Images from SDCard ***/
		ImageList = getSD();

		// ListView and imageAdapter
		lstView = (ListView) findViewById(R.id.listView1);
		lstView.setAdapter(new ImageAdapter(this));
		}


		public static List <String> getSD()
		{
		it = new ArrayList <String>();
		String string = "/mnt/sdcard/Pictures/Awesome/";
        f1 = new File (string+ CameraLauncherActivity.folder+ "/");
		files = f1.listFiles ();

		for (int i = 0; i < files.length; i++)
		{
		file = files[i];
		Log.d("Count",file.getPath());
		it.add (file.getPath());
		}
		return it;
		}


		public class ImageAdapter extends BaseAdapter
		{
		private Context context;

		public ImageAdapter(Context c)
		{
		// TODO Auto-generated method stub
		context = c;
		}

		public int getCount() {
		// TODO Auto-generated method stub
		return ImageList.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(final 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_upload, null);
		}

		// ColImgName
		TextView txtName = (TextView) convertView.findViewById(R.id.ColImgName);
		strPath = ImageList.get(position).toString();

		// Get File Name
		fileName = strPath.substring( strPath.lastIndexOf('/')+1, strPath.length() );
		file = new File(strPath);
		@SuppressWarnings("unused")
		long length = file.length();
		txtName.setText(fileName);

		// Image Resource
		ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath);
		final BitmapFactory.Options options = new BitmapFactory.Options();

		options.inSampleSize = 8;

		Bitmap bm = BitmapFactory.decodeFile(strPath,options);
		imageView.setImageBitmap(bm);


		// ColStatus
		final ImageView txtStatus = (ImageView) convertView.findViewById(R.id.ColStatus);
		txtStatus.setImageResource(R.drawable.bullet_button);

		// progressBar
		final ProgressBar progress = (ProgressBar) convertView.findViewById(R.id.progressBar);
		progress.setVisibility(View.GONE);

		//btnUpload
		final ImageButton btnUpload = (ImageButton) convertView.findViewById(R.id.btnUpload);
		btnUpload.setOnClickListener(new View.OnClickListener() {
		public void onClick(View v) {
		// Upload
		btnUpload.setEnabled(false);

		startUpload(position);
		}
		});


		return convertView;

		}
	}