Android Open Source - Expensify Expense

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Back to project page Expensify.

License

The source code is released under:

MIT License

Java Source Code

package com.hgs.course.expense;
//from w w w . ja  va  2s . c  o m
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.hgs.course.expense.constants.ExpenseConstants;
import com.hgs.course.expense.datastore.CategoryDatabaseOperationImpl;
import com.hgs.course.expense.datastore.FacadeStore;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.Editable;
import android.util.Log;
import android.view.View;
import android.view.View.OnFocusChangeListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TableLayout;
import android.widget.TableRow;

public class Expense extends Activity implements ExpenseConstants, OnFocusChangeListener, Button.OnClickListener {  
  private ArrayAdapter<CharSequence> m_adapterForSpinner;
  private TableLayout table;
  private TableRow objNewCat;
  private DatePickerDialog.OnDateSetListener mDateSetListener;
  private final int DATE_DIALOG_ID = 0;
  private EditText objDate;
  private String category = null;
  
  
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        table = (TableLayout)findViewById(R.id.tableLayout1);
        objNewCat = (TableRow)findViewById(R.id.tableRow5);
        table.removeView(objNewCat);
        
        Spinner spinner = (Spinner) findViewById(R.id.spinner1);
        m_adapterForSpinner = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_spinner_item);
        m_adapterForSpinner.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(m_adapterForSpinner);
        populateCategory();
        spinner.setOnItemSelectedListener(new SpinnerSelectListner());
        
        objDate = (EditText) findViewById(R.id.editText2);
        objDate.setOnFocusChangeListener(this);
        
        mDateSetListener = new DatePickerDialog.OnDateSetListener() {
      @Override
      public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
        String date_selected = ((monthOfYear+1 < 10)? "0"+(monthOfYear+1) : (monthOfYear+1))+"/"+((dayOfMonth < 10)? "0"+(dayOfMonth) : (dayOfMonth))+"/"+String.valueOf(year);
        Log.d("date_selected = ",date_selected);
        objDate.setText(date_selected);
      }
        };
        Button submitButton = (Button)findViewById(R.id.button1);
        submitButton.setOnClickListener(this);
    }    
    
  // Creating dialog
  @Override
  protected Dialog onCreateDialog(int id) {
    Calendar c = Calendar.getInstance();
    int cyear = c.get(Calendar.YEAR);
    int cmonth = c.get(Calendar.MONTH);
    int cday = c.get(Calendar.DAY_OF_MONTH);
    switch (id) {
      case DATE_DIALOG_ID:
        return new DatePickerDialog(this,  mDateSetListener,  cyear, cmonth, cday);
    }
    return null;
  }
  
  @Override
  public void onClick(View v) {
    try {
      Map<String, Object> result = new HashMap<String, Object>();
      SimpleDateFormat df = new SimpleDateFormat("MM/dd/yyyy");
      String merchant = ((EditText) findViewById(R.id.editText1)).getText().toString();      
      String strDate = ((EditText) findViewById(R.id.editText2)).getText().toString();
      String strAmount = ((EditText) findViewById(R.id.editText3)).getText().toString();
      if(_BLANK.equals(merchant)){
        ((EditText) findViewById(R.id.editText1)).requestFocus();
        return;
      } else if(_BLANK.equals(strDate)) {
        ((EditText) findViewById(R.id.editText2)).requestFocus();
        return;
      } else if(_BLANK.equals(strAmount)) {
        ((EditText) findViewById(R.id.editText3)).requestFocus();
        return;
      } else if(ADD_CATEGORY_LABEL.equals(category)){
        if(_BLANK.equals(((EditText) findViewById(R.id.editText4)).getText().toString())) {
          ((EditText) findViewById(R.id.editText4)).requestFocus();
          return;
        }
      }
      Date date = df.parse(strDate);
      Double amount = Double.parseDouble(strAmount);
      result.put(MERCHANT_LABEL, merchant);
      result.put(DATE_LABEL, date);
      result.put(AMOUNT_LABEL, amount);
      result.put(CATEGORY_LABEL,category);
      if(ADD_CATEGORY_LABEL.equals(category)){        
        result.put(NEW_CATEGORY_LABEL, ((EditText) findViewById(R.id.editText4)).getText().toString());
      }else {        
        result.put(NEW_CATEGORY_LABEL, null);
      }
      if(FacadeStore.saveExpenses(this,result)) {
        if(ADD_CATEGORY_LABEL.equals(category)){
          populateCategory();
        }
        alertbox(ALERT_TITLE,merchant + ALERT_MESSAGE);
      }
    } catch(Exception e){
      e.printStackTrace();
    }
  }
  
  @Override
  public void onFocusChange(View v, boolean hasFocus) {
    Editable dateValue = objDate.getText();
    if(v == objDate && hasFocus) {      
      if(dateFormat.equalsIgnoreCase(dateValue.toString())){
        objDate.setText(_BLANK);
      }      
      showDialog(DATE_DIALOG_ID);
    }else if(v == objDate && hasFocus == false){
      if(_BLANK.equalsIgnoreCase(dateValue.toString())){
        objDate.setText(dateFormat);
      }
    }
  }
  
  private void populateCategory() {
      m_adapterForSpinner.clear();
      m_adapterForSpinner.add(ADD_CATEGORY_LABEL);
      List<CategoryDatabaseOperationImpl> objCat = FacadeStore.getCategories(this);
      Log.v("objCat = ",objCat.toString());
        Iterator<CategoryDatabaseOperationImpl> itr = objCat.iterator();
        while(itr.hasNext()){
          CategoryDatabaseOperationImpl obj = itr.next();
          m_adapterForSpinner.add(obj.getType());
        }
    }
  
  protected void alertbox(String title, String mymessage)
  {
    new AlertDialog.Builder(this)
        .setMessage(mymessage)
        .setTitle(title)
        .setCancelable(true)
        .setNeutralButton(android.R.string.ok,
           new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int whichButton){}
           })
        .show();
  }
  
  private class SpinnerSelectListner implements OnItemSelectedListener {

    public void onItemSelected(AdapterView<?> parent, View v, int position,
        long id) {      
      category = parent.getSelectedItem().toString();
      Log.v(SpinnerSelectListner.class.toString()," Selected Item is = " + category);
      if(ADD_CATEGORY_LABEL.equals(category)){        
            table.addView(objNewCat,4);
      }else {        
            table.removeView(objNewCat);
      }
    }

    public void onNothingSelected(AdapterView<?> arg0) {
      // Nothing to Do with this
    }      
    }  
}

Java Source Code List

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