Разработка информационных систем на базе мобильных интерфейсов

@Override

public void onCreate(Bundle savedInstanceState) {

 

super.onCreate(savedInstanceState);

setContentView(R.layout.map);

myMapView = (MapView) findViewById(R.id.mapView);

mapController = myMapView.getController();

myMapView.setStreetView(true);

myMapView.setBuiltInZoomControls(true);

mapOverlays = myMapView.getOverlays();

mapController.setCenter(START_POINT);

mapController.setZoom(12);

 

// Добавляем маркер своего местоположения

positionOverlay = new MyPositionOverlay();

List<Overlay> overlays = myMapView.getOverlays();

overlays.add(positionOverlay);

 

theatres = getResources().getDrawable(R.drawable.h_theatre);

museams = getResources().getDrawable(R.drawable.h_museum);

monuments = getResources().getDrawable(R.drawable.h_memorial);

interestObjects = getResources().getDrawable(R.drawable.h_view_point);

temples = getResources().getDrawable(R.drawable.h_shelter);

hostels = getResources().getDrawable(R.drawable.h_hotel);

 

LocationManager locationManager;

String context = Context.LOCATION_SERVICE;

locationManager = (LocationManager) getSystemService(context);

 

Criteria criteria = new Criteria();

criteria.setAccuracy(Criteria.ACCURACY_FINE);

criteria.setAltitudeRequired(false);

criteria.setBearingRequired(false);

criteria.setCostAllowed(true);

criteria.setPowerRequirement(Criteria.POWER_LOW);

String provider = locationManager.getBestProvider(criteria, true);

 

Location location = locationManager.getLastKnownLocation(provider);

 

updateWithNewLocation(location);

 

locationManager.requestLocationUpdates(provider, 1500, 3,

locationListener);

 

}

 

@Override

public boolean onCreateOptionsMenu(Menu menu) {

menu.add(Menu.NONE, IDM_SETTINGS, Menu.NONE, "POI")

.setAlphabeticShortcut('p');

menu.add(Menu.NONE, IDM_ADD_OBJ, Menu.NONE, "Add objects")

.setAlphabeticShortcut('a');

menu.add(Menu.NONE, IDM_ADD_ROUTE, Menu.NONE, "Route")

.setAlphabeticShortcut('r');

menu.add(Menu.NONE, IDM_SEARCH, Menu.NONE, "Search")

.setAlphabeticShortcut('s');

menu.add(Menu.NONE, IDM_EXIT, Menu.NONE, "Exit").setAlphabeticShortcut(

'x');

return (super.onCreateOptionsMenu(menu));

}

 

@Override

public boolean onOptionsItemSelected(MenuItem item) {

switch (item.getItemId()) {

case IDM_SETTINGS:

Intent objectsEditorActivity = new Intent(MapsActivity.this, ObjectsEditorActivity.class);

startActivity(objectsEditorActivity);

item.setChecked(true);

break;

case IDM_ADD_OBJ:

showDialog(IDD_OBJECTS);

item.setChecked(true);

break;

case IDM_SEARCH:

LayoutInflater inflater = LayoutInflater.from(this);

View root = inflater.inflate(R.layout.search_menu2, null);

final Button button_addr = (Button) root.findViewById(R.id.button_addr);

final Button button_coord = (Button) root.findViewById(R.id.button_coord);

button_addr.setText("Search by address");

button_coord.setText("Search by coordinates");

AlertDialog.Builder menu = new AlertDialog.Builder(this);

menu.setView(root);

menu.show();

 

button_addr.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

CallSearchAddressDialog();

};

});

button_coord.setOnClickListener(new OnClickListener() {

 

@Override

public void onClick(View v) {

CallSearchCoordDialog();

 

};

 

});  

item.setChecked(true);

break;

case IDM_EXIT:

System.exit(0);

break;

default:

return false;

}

 

return true;

}

 

// Меню с чекбоксами  для добавления групп объектов  на карту

@Override

protected Dialog onCreateDialog(int id) {

switch (id) {

case IDD_OBJECTS:

AlertDialog.Builder builderObj = new AlertDialog.Builder(this);

builderObj.setTitle("Add group objects");

builderObj.setMultiChoiceItems(mObjects, mCheckedObjItems, new DialogInterface.OnMultiChoiceClickListener() {

@Override

public void onClick(DialogInterface dialog, int which, boolean isChecked) {

mCheckedObjItems[which] = isChecked;

}

});

 

builderObj.setPositiveButton("OK", new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog, int id) {

if (!mapOverlays.isEmpty()) {

mapOverlays.clear();

} else {

if (mCheckedObjItems[0]) {

addGroup(ObjectViewProvider.CONTENT_URI, theatres);

}

 

if (mCheckedObjItems[1]) {

addGroup(MuseamProvider.CONTENT_URI, museams);

}

if (mCheckedObjItems[2]) {

addGroup(ArhitectureProvider.CONTENT_URI, monuments);

}

if (mCheckedObjItems[3]) {

addGroup(InterestProvider.CONTENT_URI, interestObjects);

}

if (mCheckedObjItems[4]) {

addGroup(TemplesProvider.CONTENT_URI, temples);

}

if (mCheckedObjItems[5]) {

addGroup(HostelProvider.CONTENT_URI, hostels);

}

}

}

});

 

builderObj.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog, int id) {

dialog.cancel();

Toast.makeText(getApplicationContext(), "Dialog cancel", Toast.LENGTH_SHORT).show();

}

});

 

builderObj.setCancelable(false);

return builderObj.create();

 

 

// Процедура Добавления группы объектов на карту

private void addGroup(Uri uri, Drawable drawable) {

Cursor cursor = managedQuery(uri, mCoord, "_ID", null, null);

int count = cursor.getCount();

latiC = new double[count];

longC = new double[count];

nameC = new String[count];

for (int i = 0; i < count; i++) {

latiC[i] = -1;

longC[i] = -1;

nameC[i] = "";

}

 

for (int i = 0; i < count; i++) {

cursor.moveToPosition(i);

lat = Double.parseDouble(cursor.getString(2));

lng = Double.parseDouble(cursor.getString(3));

latiC[i] = lat;

longC[i] = lng;

nameC[i] = cursor.getString(1);

}

double nl, nlg;

itemizedOverlay = new HelloItemizedOverlay(this, drawable);

 

try {

for (int i = 0; i < count; i++) {

nl = latiC[i];

nlg = longC[i];

String name = nameC[i];

isAddLocationPoint(nl, nlg, name);

}

} catch (NullPointerException e) {

e.printStackTrace();

}

}

 

// Процедура добавления точки на карту

public void isAddLocationPoint(double netlat, double netlng, String name) {

 

GeoPoint point = new GeoPoint((int) (netlat * 1E6),

(int) (netlng * 1E6));

String coord = "Широта: " + netlat + "\nДолгота: " + netlng;

// Создаем точку и текст  появляющийся при нажатии

OverlayItem overlayitem = new OverlayItem(point, name, coord);

// Положение карты при  запуске в точке point

mapController.animateTo(point);

mapController.setZoom(13);

 

// Добавляем точку на карту

itemizedOverlay.addOverlay(overlayitem);

mapOverlays.add(itemizedOverlay);

 

}

 

    //Процедура поиска по адресу

private void CallSearchAddressDialog() {

        LayoutInflater inflater = LayoutInflater.from(this);

        View root = inflater.inflate(R.layout.search_address, null);

        final EditText textStreet = (EditText)root.findViewById(R.id.street);

        final EditText textHouse = (EditText)root.findViewById(R.id.house);

 

        AlertDialog.Builder b = new AlertDialog.Builder(this);

        b.setView(root);

        b.setTitle("Search by address");

        b.setPositiveButton(

                "Ок", new DialogInterface.OnClickListener() {

           

           public void onClick(DialogInterface dialog, int whichButton) {

             String street = textStreet.getText().toString();

             int house = Integer.parseInt(textHouse.getText().toString());             

             ReadInTxtSearch();

          searchadress(street, house);

          if (latIsc!=0 & lonIsc !=0 ){

           String text = "Широта: " + latIsc + "\nДолгота: "

        + lonIsc;

      Toast.makeText(getBaseContext(), text, Toast.LENGTH_SHORT).show();

           itemizedOverlay = new HelloItemizedOverlay(null, getResources().getDrawable(R.drawable.androidmarker));

           isAddLocationPoint(latIsc, lonIsc, "Искомая точка");

          }

          else {

           String ErrMsg = "Адрес не найден!";

           Toast.makeText(getBaseContext(), ErrMsg, Toast.LENGTH_SHORT).show();

          }

            }

        });

        b.setNegativeButton(

               "Cancel", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int whichButton) {}

        });

        b.show();

    }

 

//Процедура  поиска по координатам

    private void CallSearchCoordDialog() {

        LayoutInflater inflater = LayoutInflater.from(this);

        View root = inflater.inflate(R.layout.search_coord, null);

       

        final EditText textLatitude = (EditText)root.findViewById(R.id.latitude);

        final EditText textLongitude = (EditText)root.findViewById(R.id.longitude);

       

        AlertDialog.Builder b = new AlertDialog.Builder(this);

        b.setView(root);

        b.setTitle("Search by coordinates");

        b.setPositiveButton(

                "Ок", new DialogInterface.OnClickListener() {

           

           public void onClick(DialogInterface dialog, int whichButton) {

             String sslat = textLatitude.getText().toString();

             String sslon = textLongitude.getText().toString();

             double slat = Double.parseDouble(sslat);

             double slon = Double.parseDouble(sslon);

          Drawable SearchCoord = getResources().getDrawable(R.drawable.androidmarker);

          itemizedOverlay = new HelloItemizedOverlay( null, SearchCoord);

             isAddLocationPoint (slat,slon,"искомая точка");

 

            }

        });

        b.setNegativeButton(

               "Cancel", new DialogInterface.OnClickListener() {

            public void onClick(DialogInterface dialog, int whichButton) {}

        });

        b.show();

    }

//Процедура  считывания данных для поиска

private void ReadInTxtSearch()

{

try

{

BufferedReader ibr = new BufferedReader(

     new InputStreamReader(

      new FileInputStream("/mnt/sdcard/insearch.txt"),"windows-1251"));

 

String str;

  Scanner scanner;

  String[] vr;

  sizeSTR=Integer.parseInt(ibr.readLine());

  street = new String [sizeSTR];

house = new int [sizeSTR];

lath = new double [sizeSTR];

lonh = new double [sizeSTR];

vr = new String [4];

int a;

for(int i = 0; i<sizeSTR; i++)

        {

            lath[i]=-1000;

            lonh[i]=-1000;

            street[i]=" ";

            house[i]=-1;

        }

for(int i = 0; i<sizeSTR; i++)

        {

for (int j=0;j<4;j++)

{

vr[j]="";

}

a=0;

            str=ibr.readLine();

            scanner = new Scanner(str);

            while (scanner.hasNext())

            {

            vr[a]=scanner.next();

            a=a+1;

            }

            street[i]=vr[0];

            house[i]=Integer.parseInt(vr[1]);

            lath[i]=Double.parseDouble(vr[2]);

            lonh[i]=Double.parseDouble(vr[3]);

        }

         ibr.close();

    }

    catch(IOException ae){}

};

 

 

 

private void searchadress(String streetIsc, int houseIsc)

{

streetIsc = streetIsc.toLowerCase();

int fl=0, ch=0;

while ((fl==0) & (ch<sizeSTR))

{

if ((streetIsc.equals(street[ch])) & (houseIsc == house[ch]))

{

  latIsc = lath[ch];

  lonIsc = lonh[ch];

  fl=1;

}

ch=ch+1;

}

 

}}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Файл ObjectsEditorActivity.java

package com.touristmap.activities;

 

import com.touristmap.R;

import android.os.Bundle;

import android.app.ListActivity;

import android.content.Intent;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.ListView;

 

public class ObjectsEditorActivity extends ListActivity {

/** Called when the activity is first created. */

private int mId = -1;

String[] mObjectsClass = { "Theaters", "Museams", "Monuments",

"Interest Objects", "Temples", "Hostels" };

 

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.objects);

setListAdapter(new ArrayAdapter<String>(this,

android.R.layout.simple_list_item_1, mObjectsClass));

}

 

public void onListItemClick(ListView parent, View v, int position, long id) {

mId = position;

switch (mId) {

case 0: {

Intent intent = new Intent();

intent.setClass(this, TheatersViewActivity.class);

startActivity(intent);

}

break;

case 1: {

Intent intent = new Intent();

intent.setClass(this, MuseamViewActivity.class);

startActivity(intent);

}

break;

case 2: {

Intent intent = new Intent();

intent.setClass(this, ArhitectureViewActivity.class);

startActivity(intent);

}

break;

case 3: {

Intent intent = new Intent();

intent.setClass(this, InterestViewActivity.class);

startActivity(intent);

}

break;

case 4: {

Intent intent = new Intent();

intent.setClass(this, TemplesViewActivity.class);

startActivity(intent);

}

break;

case 5: {

Intent intent = new Intent();

intent.setClass(this, HostelViewActivity.class);

startActivity(intent);

}

break;

}

}

 

}

 

Файл TheatersViewActivity.java

package com.touristmap.activities;

 

import com.touristmap.ObjectDbHelper;

import com.touristmap.R;

import com.touristmap.providers.ObjectViewProvider;

import android.os.Bundle;

import android.app.AlertDialog;

import android.app.ListActivity;

import android.database.Cursor;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.ListAdapter;

import android.widget.SimpleCursorAdapter;

import android.widget.Toast;

import android.content.Intent;

 

public class TheatersViewActivity extends ListActivity {

 

private Cursor mCursor;

private ListAdapter mAdapter;

private String netlat;

private String netlng;

double  lat;

double  lng;

 

 

private static final String[] mContent = new String[] { ObjectDbHelper._ID,

ObjectDbHelper.NAME, ObjectDbHelper.ADDRESS };

 

private static final String[] displayContent = new String[] {

ObjectDbHelper.NAME, ObjectDbHelper.ADDRESS };

 

int[] displayViews = new int[] { R.id.ObjectName, R.id.ObjectAddress };

 

private int infId;

 

 

 

private static final String[] mCoord = new String[] { ObjectDbHelper._ID,

ObjectDbHelper.LAT, ObjectDbHelper.LON };

 

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

 

mCursor = managedQuery(ObjectViewProvider.CONTENT_URI, mContent, null,

null, null);

 

mAdapter = new SimpleCursorAdapter(this, R.layout.object_view, mCursor,

displayContent, displayViews);

setListAdapter(mAdapter);

 

 

}

 

 

 

 

public void onListItemClick(ListView parent, View v, int position, long id) {

infId = position;

 

Cursor cursor = managedQuery(ObjectViewProvider.CONTENT_URI, mCoord,

"_ID", null, null);

cursor.moveToPosition(position);

String text = "Широта: " + cursor.getString(1) + "\nДолгота: "

+ cursor.getString(2);

Toast.makeText(this, text, Toast.LENGTH_SHORT).show();

netlat = cursor.getString(1);

        netlng = cursor.getString(2);

 

LayoutInflater inflater = LayoutInflater.from(this);

View root = inflater.inflate(R.layout.object_menu, null);

final Button button_add = (Button) root.findViewById(R.id.button_add);

final Button button_info = (Button) root.findViewById(R.id.button_info);

final Button button_route = (Button) root.findViewById(R.id.button_route);

button_add.setText("Add on Map");

button_info.setText("Information");

button_route.setText("Construct a route");

AlertDialog.Builder menu = new AlertDialog.Builder(this);

menu.setView(root);

menu.show();

 

button_info.setOnClickListener(new OnClickListener() {

 

@Override

public void onClick(View v) {

CallObjectInfoDialog();

};

 

});

 

button_add.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

CallViewOnMap();

       

};

});

button_route.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

 

       

};

});

 

}

private void CallViewOnMap(){   

 

Intent intent = new Intent();

        intent.setClass(this, ViewObjectOnMapActivity.class);

        intent.putExtra(MapsActivity.NLAT, netlat);

        intent.putExtra(MapsActivity.NLNG, netlng);

        startActivity(intent);

        finish();

}

 

 

private void CallObjectInfoDialog() {

LayoutInflater inflater = LayoutInflater.from(this);

View root = inflater.inflate(R.layout.object_info, null);

final TextView textName = (TextView) root.findViewById(R.id.name);

final TextView textPhone = (TextView) root.findViewById(R.id.address);

 

mCursor.moveToPosition(infId);

textName.setText(mCursor.getString(1));

textPhone.setText(mCursor.getString(2));

 

AlertDialog.Builder b = new AlertDialog.Builder(this);

b.setView(root);

b.show();

}

 

}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Файл ObjectViewProvider.java

package com.touristmap.providers;

 

import java.util.HashMap;

import com.touristmap.ObjectDbHelper;

import android.content.ContentProvider;

import android.content.ContentUris;

import android.content.ContentValues;

import android.content.UriMatcher;

import android.database.Cursor;

import android.database.SQLException;

import android.database.sqlite.SQLiteDatabase;

import android.net.Uri;

import android.text.TextUtils;

 

public class ObjectViewProvider extends ContentProvider {

    public static final String DB_OBJECTS = "objects.db";

    public static final Uri CONTENT_URI = Uri.parse("content://com.touristmap.ObjectViewProvider/object");

    public static final int URI_CODE = 1;

    public static final int URI_CODE_ID = 2;

    private static final UriMatcher mUriMatcher;

    private static HashMap<String, String> mObjectMap;

    private SQLiteDatabase db;

 

    static {

        mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);

        mUriMatcher.addURI("com.touristmap.ObjectViewProvider",