Android Open Source - CampusSynergyAndroid Add Activity

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Back to project page CampusSynergyAndroid.

License

The source code is released under:

MIT License

Java Source Code

package com.saamd.campussynergy;
//from   ww w  .j  av a 2s. com
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;

import org.xmlpull.v1.XmlPullParserException;

import com.parse.Parse;
import com.parse.ParseException;
import com.parse.ParseObject;
import com.parse.SaveCallback;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.TimePickerDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.NumberPicker;
import android.widget.Spinner;
import android.widget.TimePicker;
import android.widget.Toast;

public class AddActivity extends Activity {
  
   public static final String NEW_EVENT_INTENT = "com.saamd.campussynergy.intent.action.NEW_EVENT";
   
  
  public static final String PREFS_NAME = "MyPrefsFile";
  private SharedPreferences settings;
  
  
  private ArrayList<String> buildings = new ArrayList<String>();
  Dialog dialog;


  private Spinner dropDownSpinner;
  private EditText descriptionText;
  private EditText titleText;
  private Button durationBtn;
  
  private EditText roomNumber;
  private static Button startingTimeBtn;    //being static is required
  private static Button dateBtn;        //being static is required  
  private static Date eventDate;

  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);

    
    //retrieve data from shared preferences
    settings = getSharedPreferences(PREFS_NAME, 0);
    String restoredUsername = settings.getString("username", " ");
    String restoredPassword = settings.getString("password", " ");
    int restoredMonth = settings.getInt("lastLoginMonth", -1);  //this is used as a flag to terminate the app from asking the users to login once every month
    
    //BETA CODE ONLY: It checks if it worked this month and it deletes passwords/username if month!=restoredMonth
    int month = Calendar.getInstance().get(Calendar.MONTH);
    
    Log.d("USER", "Current month: " + month + "restoredMonth: " + restoredMonth);
    
    
    if(month != restoredMonth )
    {
      SharedPreferences.Editor editor = settings.edit();
      editor.putString("username", " ");
      editor.putString("password", " ");
      editor.putInt("lastLoginMonth", -1);  //sets the month to bad value
      editor.commit();
    }
    
    
    
    // checks to see if username and password already exists.
    if (restoredUsername.equals(" ") || restoredPassword.equals(" ")) {
      // No password or username are saved, we open the login activity
      Intent i = new Intent(AddActivity.this, LoginActivity.class);
      startActivity(i);
      finish();
    } else {
      
      setContentView(R.layout.add_layout);
            

      // Initialize Variables, connecting xml to java
      titleText = (EditText) findViewById(R.id.editText_eventTitle);
      titleText.setSingleLine();
      dropDownSpinner = (Spinner) findViewById(R.id.spinner_buildingName);
      descriptionText = (EditText) findViewById(R.id.editText_eventDescription);
      durationBtn = (Button) findViewById(R.id.button_duration);
      durationBtn.setOnClickListener(new OnClickListener() {
        
        @Override
        public void onClick(View v) {
          onClick_durationBtn();
        }
      });
      
      
      roomNumber = (EditText) findViewById(R.id.editText_room_number);
      dateBtn = (Button) findViewById(R.id.button_date);
      setDateButtonText(null);   // null sets it to the current date
      startingTimeBtn = (Button) findViewById(R.id.button_startingTime);
      setStartingTimeButtonText(null);  // null sets it to the current time
      eventDate = new Date();
      
      Parse.initialize(this, getString(R.string.ParseAuthCode_1), getString(R.string.ParseAuthCode_2));
      setSpinner();
      
    }
  }

  @Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
  }

  @Override
  protected void onPause() {
    // TODO Auto-generated method stub
    super.onPause();
  }

  private void setSpinner() {
    // this chuck of code converts an ArrayList of strings to a string
    // array.
    
    XMLParser xm = new XMLParser();
    try {
      buildings = xm.getBuildingList(AddActivity.this);
    } catch (XmlPullParserException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    int size = buildings.size();    
    String[] items = new String[size];
    for (int i = 0; i < size; i++) {
      items[i] = new String();
      items[i] = buildings.get(i);
      //Log.d("USER", " " + items[i]);
    }

    // sets the spinner items to the items array

    ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(
        this, android.R.layout.simple_spinner_item, items);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    dropDownSpinner.setAdapter(adapter);
  }

  private String getBuildingByName(String name) {
    for (String i : buildings) {
      if (i.equals(name)) {
        return i;
      }
    }
    return null;
  }

  public void onClick_submit(View V) {
    boolean pass = true;
    if (titleText.getText().toString().equals(""))
      pass = false;
    if(descriptionText.getText().toString().equals(""))
      pass =false;
      
    if (isOnline() && pass) {
      // Internet connection available

      try{
        ParseObject campus_synergy = new ParseObject("campus_synergy");
  
        campus_synergy.put("title", titleText.getText().toString());
        campus_synergy.put("bldName", dropDownSpinner.getSelectedItem().toString());
        campus_synergy.put("longDescription", descriptionText.getText().toString());
      
        campus_synergy.put("date", eventDate);
        
        campus_synergy.put("duration", Integer.parseInt(durationBtn.getText().toString()));
        campus_synergy.put("roomString", roomNumber.getText().toString());
        campus_synergy.put("publisher", settings.getString("publisherName", " "));
        
        campus_synergy.saveInBackground(new SaveCallback() {
          
          @Override
          public void done(ParseException arg0) {
            // TODO Auto-generated method stub
            Context context = getApplicationContext();
            CharSequence text = "Data Submitted successfully! Thanks";
            int duration = Toast.LENGTH_SHORT;
  
            Toast toast = Toast.makeText(context, text, duration);
            toast.show();
            
            //The activity is done here
            //so we broadcast an intent with the new event in it
            //so the main activity would catch that event 
            //and add it to the eventList and the map
            
            //MAKING A NEW EVENT
            Event newEvent = new Event(titleText.getText().toString(), 
                dropDownSpinner.getSelectedItem().toString(), 
                descriptionText.getText().toString(), 
                roomNumber.getText().toString(), 
                Integer.parseInt(durationBtn.getText().toString()), 
                eventDate, 
                settings.getString("publisherName", " "));
            //MAKING A INTENT AND BROADCASTING IT
            Intent i = new Intent();
            i.setAction(NEW_EVENT_INTENT);
            i.putExtra("Event", newEvent );
            context.sendBroadcast(i);

            //TERMINATING THE ACTIVITY
            finish();
          }
        });
      
      } catch (Exception e){
        Log.d("USER","ERROR Adding activity e: " + e.toString());
      }
    } else {
      // No Internet connection
      Context context = getApplicationContext();
      CharSequence text;
      
      if(pass)  text = "No Internet Connection!!";
      else text = "Check your input!!";
      
      int duration = Toast.LENGTH_LONG;

      Toast toast = Toast.makeText(context, text, duration);
      toast.show();
    }

    /**/
  }

  public boolean isOnline() {
    ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

    return cm.getActiveNetworkInfo() != null
        && cm.getActiveNetworkInfo().isConnectedOrConnecting();
  }

  @Deprecated
  public void onClick_startingTimeBtn(View v) {

    View view = LayoutInflater.from(this).inflate(R.layout.time_picker,
        null);
    dialog = new Dialog(AddActivity.this);
    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
    dialog.setContentView(view);
    dialog.getWindow().setLayout(384, 450);
    dialog.show();
    Button ok = (Button) view.findViewById(R.id.button_ok);
    final TimePicker timePicker = (TimePicker) view
        .findViewById(R.id.timePicker_dialog);
    ok.setOnClickListener(new OnClickListener() {

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

        int hour = timePicker.getCurrentHour();
        int minute = timePicker.getCurrentMinute();
        String time = hour + ":" + minute;
        startingTimeBtn.setText(time);
        dialog.hide();
      }
    });
  }

  private void onClick_durationBtn() {

    View view = LayoutInflater.from(this).inflate(R.layout.number_picker, null);
    
    final NumberPicker numberPicker = (NumberPicker) view.findViewById(R.id.numberPicker1);    
    
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setView(view); // add EditText to dialog
    builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
      
      @Override
      public void onClick(DialogInterface dialog, int which) {
        
        int hour = numberPicker.getValue();
        String time = hour + "";
        durationBtn.setText(time);
        dialog.dismiss();
      }
    } );
    
    
    String[] nums = new String[25];
    for (int i = 0; i < nums.length; i++)
      nums[i] = Integer.toString(i);
    numberPicker.setMinValue(0);
    numberPicker.setMaxValue(nums.length - 1);
    numberPicker.setWrapSelectorWheel(false);
    numberPicker.setDisplayedValues(nums);
    numberPicker.setValue(1);
    
    
    dialog = builder.create();
    dialog.setTitle("Set Duration");
    dialog.show();
    
  }
  

  /** Date picker Methods+ Inner Classes**/
  
  // nulll sets it to the current date
  public static void setDateButtonText(Calendar cal) {
    // setting the calendar button text to the current date
    if (cal == null) {
      final Calendar c = Calendar.getInstance();
      dateBtn.setText(c.get(Calendar.MONTH) + 1 + " / "
          + c.get(Calendar.DAY_OF_MONTH) + " / "
          + c.get(Calendar.YEAR));
    } else {
      dateBtn.setText(cal.get(Calendar.MONTH) + 1 + " / "
          + cal.get(Calendar.DAY_OF_MONTH) + " / "
          + cal.get(Calendar.YEAR));
    }

  }

  public void showDatePickerDialog(View v) {
    DialogFragment newFragment = new DatePickerFragment();
    newFragment.show(getFragmentManager(), "datePicker");
    
  }

  // date Picker
  @SuppressLint("ValidFragment")
  private static class DatePickerFragment extends DialogFragment implements
      DatePickerDialog.OnDateSetListener {
    Calendar c = Calendar.getInstance();

    @SuppressWarnings("deprecation")
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
      // Use the current date as the default date in the picker
      // final Calendar c = Calendar.getInstance();
      int year = c.get(Calendar.YEAR);
      int month = c.get(Calendar.MONTH);
      int day = c.get(Calendar.DAY_OF_MONTH);
      
      //this is the date variable to be saved in parse DB: setting it to default
      eventDate.setDate(day);
      eventDate.setMonth(month);
      eventDate.setDate(day);
      
      // Create a new instance of DatePickerDialog and return it
      return new DatePickerDialog(getActivity(), this, year, month, day);
    }

    @SuppressWarnings("deprecation")
    public void onDateSet(DatePicker view, int year, int month, int day) {
      // Do something with the date chosen by the user
      // setting dateBtn to selected date
      c.set(year, month, day); // sets the selected date to calendar c
      
      eventDate.setDate(day);
      eventDate.setMonth(month);
      eventDate.setDate(day);
      
      setDateButtonText(c);
    }
  }
  
  /** Date picker Methods+ Inner Classes**/
  
  /** Time picker Methods + Inner Classes**/

  public static void setStartingTimeButtonText(Calendar cal) {
    // setting the calendar button text to the current date
    SimpleDateFormat format1 = new SimpleDateFormat("hh:mm a");
    if (cal == null) {
      final Calendar c = Calendar.getInstance();
      Date date = c.getTime();
      String eventTime = format1.format( date );
      startingTimeBtn.setText(eventTime);
    } else {
      
      Date date = cal.getTime();  
      String eventTime = format1.format( date );
      startingTimeBtn.setText(eventTime);
    }

  }
  
  
  public void showTimePickerDialog(View v) {
      DialogFragment newFragment = new TimePickerFragment();
      newFragment.show(getFragmentManager(), "timePicker");
  }
  
  
  @SuppressLint("ValidFragment")
  private static class TimePickerFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener {
    
    Calendar c = Calendar.getInstance();
    @SuppressWarnings("deprecation")
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
      
      
      // Use the current time as the default values for the picker
      int hour = c.get(Calendar.HOUR_OF_DAY);
      int minute = c.get(Calendar.MINUTE);
      eventDate.setHours(hour);
      eventDate.setMinutes(minute);
      // Create a new instance of TimePickerDialog and return it
      return new TimePickerDialog(getActivity(), this, hour, minute,
          DateFormat.is24HourFormat(getActivity()));
    }

    @SuppressWarnings("deprecation")
    public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
      // Do something with the time chosen by the user
      c.set(0,0,0,hourOfDay,minute); // sets the selected date to calendar c
      eventDate.setHours(hourOfDay);
      eventDate.setMinutes(minute);
      setStartingTimeButtonText(c);
    }
  }
  
  /** Time picker Methods + Inner Classes**/
  
  
  
}

Java Source Code List

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