DateDialog

package com.android.example.cwapp;

import android.app.DatePickerDialog;
import android.app.LoaderManager;
import android.content.ContentValues;
import android.content.CursorLoader;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.Loader;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RatingBar;
import android.widget.Toast;

import java.text.SimpleDateFormat;
import java.util.Locale;

public class Places_mainActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<Cursor>{
    //create cursor
    private CursorAdapter cursorAdapter = null;


    //Capturing Image
    public static final int REQUEST_TAKE_PHOTO = 1;
    private static int RESULT_LOAD_IMG = 2;
    ImageView mImageView;
    Button Capture_Camera;
    Button Insert_Gallery;
    String imgDecodableString;

	private int year,currentYear;
	private int month,currentMonth;
	private int day,currentDay;


        @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_places_main);
            //get image
            mImageView = (ImageView)findViewById(R.id.UploadimageView);
            Capture_Camera = (Button)findViewById(R.id.ivCamera);
            Insert_Gallery = (Button)findViewById(R.id.ivGallery);

            //checks if the camera is available
            if (!hasCamera()){
                Capture_Camera.setEnabled(false);
                Insert_Gallery.setEnabled(false);
                Toast.makeText(Places_mainActivity.this, "Error! Camera may be unavailable", Toast.LENGTH_LONG).show();
            }



        cursorAdapter = new PlacesCursorAdapter(this, null, 0);

        ListView list = (ListView) findViewById(R.id.places_main_list);
        list.setAdapter(cursorAdapter);

        getLoaderManager().initLoader(0, null, this);
        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                LayoutInflater li = LayoutInflater.from(Places_mainActivity.this);
                View getEmpIdView = li.inflate(R.layout.places_dialog_insert, null);


                AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(Places_mainActivity.this);
                // set places_main_insert.xml to alertdialog builder
                alertDialogBuilder.setView(getEmpIdView);

                final EditText nameInput = (EditText) getEmpIdView.findViewById(R.id.NameeditText);
                final EditText LocationInput = (EditText) getEmpIdView.findViewById(R.id.Location_textView);
                final EditText DescInput = (EditText) getEmpIdView.findViewById(R.id.desc_textView);
                final EditText LatitudeInput = (EditText) getEmpIdView.findViewById(R.id.LatitudetextView6);
                final EditText LongitudeInput = (EditText) getEmpIdView.findViewById(R.id.LongitudetextView);
                final EditText PriceInput = (EditText) getEmpIdView.findViewById(R.id.PriceEditText);
                final RatingBar RankingInput = (RatingBar) getEmpIdView.findViewById(R.id.ratingBarInsert);
                final EditText NotesInput = (EditText) getEmpIdView.findViewById(R.id.NoteseditText);
                final EditText VisitDate = (EditText)getEmpIdView.findViewById(R.id.dateVisit); //EditText View gia imerominia
                final EditText ActualVisitDate = (EditText)getEmpIdView.findViewById(R.id.VisitedDate);


				//to show datePicker
				final Calendar c = Calendar.getInstance(TimeZone.getTimeZone("EST"));
   				year  = c.get(Calendar.YEAR);
    			month = c.get(Calendar.MONTH);
    			day   = c.get(Calendar.DAY_OF_MONTH);

    VisitDate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {
                @Override
                public void onDateSet(DatePicker datePicker, int mYear, int mMonth, int mDay) {
                    currentDay = mDay;
                    currentMonth = mMonth+1;
                    currentYear = mYear;
                    VisitDate.setText(mDay+"-"+(mMonth+1)+"-"+mYear);
                }
            },year,month,day).show();
        }
    });

                DatePickerDialog visitDateDialog;
                DatePickerDialog ActualVisitDialog;
                SimpleDateFormat dateFormatter;

                dateFormatter = new SimpleDateFormat("dd-MM-yyyy", Locale.UK);
                //VisitDate.setInputType(InputType.TYPE_NULL);
                ActualVisitDate.setInputType(InputType.TYPE_NULL);




                // set dialog message
                alertDialogBuilder
                        .setTitle("New Place")
                        .setCancelable(true)
                        .setPositiveButton("Add", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int id) {
                                // get user input and set it to result
                                // edit text
                                //Toast.makeText(getApplicationContext(),"",Toast.LENGTH_SHORT).show();




                                String name = nameInput.getText().toString();
                                String location = LocationInput.getText().toString();
                                String desc = DescInput.getText().toString();
                                String latitude = LatitudeInput.getText().toString();
                                String longitude = LongitudeInput.getText().toString();
                                String price = PriceInput.getText().toString();
                                Double rank = Double.parseDouble(String.valueOf(RankingInput.getRating()).toString());
                                Integer r = Integer.parseInt(String.valueOf(rank).replace(".0",""));
                                String notes = NotesInput.getText().toString();


                                Boolean isNameValid = isNameValid(name);
                                Boolean isLocationValid = isLocationValid(location);
                                Boolean isDescValid = isDescValid(desc);
                                if (isNameValid || isLocationValid) {
                                    insertPlace(name,location,desc,latitude,longitude,price,r,notes);
                                    restartLoader();
                                }
                                 if (isNameValid || isLocationValid || isDescValid) {
                                        Toast.makeText(getApplicationContext(), "Please check Name and Location. They cannot be null", Toast.LENGTH_SHORT).show();
                                    }
                            }
                        }).create().show();
            }

        });


            //If user makes an extended (long) click on a place then it can be deleted
        list.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, final long id) {
                final View clickedContact = view;
                AlertDialog.Builder builder = new AlertDialog.Builder(Places_mainActivity.this);

                builder.setCancelable(true)
                        .setMessage("Are you sure you want to delete this place?")
                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {

                                getContentResolver().delete(DetailsProvider.CONTENT_URI, SQLHelper.COL_ID + " = " + id, null);
                                Toast.makeText(getApplicationContext(),"Place Deleted",Toast.LENGTH_SHORT).show();                            }
                        })
                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {

                            }
                        })
                        .show();
                Toast.makeText(getApplicationContext(), view.toString(), Toast.LENGTH_SHORT).show();
                return false;
            }
        });
    }



    //Checks if mandatory fields are empty
    private boolean isNameValid(String name) {
        return !name.isEmpty();
    }
    private boolean isLocationValid (String location) {return !location.isEmpty();}
    private boolean isDescValid (String location) {return !location.isEmpty();}



    //Insert New Place into db
    private void insertPlace(String placeName, String placeLocation, String placeDesc, String placeLatitude,
                             String placeLongitude, String placePrice/*, Drawable photo*/, int placeRanking, String placeNotes) {

        ContentValues values = new ContentValues();
        values.put(SQLHelper.COL_NAME,placeName);
        values.put(SQLHelper.COL_LOCATION,placeLocation);
        values.put(SQLHelper.COL_DESC,placeDesc);
        values.put(SQLHelper.COL_LAT,placeLatitude);
        values.put(SQLHelper.COL_LONG,placeLongitude);
        values.put(SQLHelper.COL_PRICE,placePrice);
        values.put(SQLHelper.COL_RANK,placeRanking);
        values.put(SQLHelper.COL_NOTES,placeNotes);

       // Uri placeUri  = getContentResolver().insert(DetailsProvider.CONTENT_URI,values);
        Toast.makeText(this,"Created Place " + placeName,Toast.LENGTH_LONG).show();
    }




    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    private void restartLoader() {
        getLoaderManager().restartLoader(0, null, this);
    }


    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
        return new CursorLoader(this, DetailsProvider.CONTENT_URI,null,null,null,null);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
        cursorAdapter.swapCursor(cursor);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        cursorAdapter.swapCursor(null);
    }

    //check if camera is available
    public boolean hasCamera(){
        return getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
    }

    //Open Camera
    public  void launchCamera (View v){
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(i, REQUEST_TAKE_PHOTO);
    }

    //Take foto and set it to mImageView
    //linked with button OnClick
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        try {
           //Opens camera
        if (requestCode == REQUEST_TAKE_PHOTO && resultCode == RESULT_OK)
        {
            Bundle extras = data.getExtras();
            Bitmap photo = (Bitmap) extras.get("data");
            mImageView.setImageBitmap(photo);
        }
            // When an Image is picked
            if (requestCode == RESULT_LOAD_IMG && resultCode == RESULT_OK
                    && null != data) {
                // Get the Image from data

                Uri selectedImage = data.getData();
                String[] filePathColumn = { MediaStore.Images.Media.DATA };

                // Get the cursor
                Cursor cursor = getContentResolver().query(selectedImage,
                        filePathColumn, null, null, null);
                // Move to first row
                cursor.moveToFirst();

                int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
                imgDecodableString = cursor.getString(columnIndex);
                cursor.close();
                // Set the Image in ImageView after decoding the String
                mImageView.setImageBitmap(BitmapFactory
                        .decodeFile(imgDecodableString));

            } else {
                Toast.makeText(this, "You haven't picked Image",
                        Toast.LENGTH_LONG).show();
            }
        } catch (Exception e) {
            Toast.makeText(this, "Something went wrong", Toast.LENGTH_LONG)
                    .show();
        }

    }


    //Open Gallery
    public void loadImagefromGallery(View view) {
        // Create intent to Open Image applications like Gallery, Google Photos
        Intent galleryIntent = new Intent(Intent.ACTION_PICK,
                android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        // Start the Intent
        startActivityForResult(galleryIntent, RESULT_LOAD_IMG);
    }
}