Android Open Source - MiniExpense Expense View

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License

The source code is released under:

Apache License

Java Source Code

package com.duplavid.miniexpense;
 // w  w  w .  ja  v  a2 s  .c  o m
import java.util.Date;
import java.util.Locale;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
 
public class ExpenseView extends ListFragment {
  
  private Context context;
    private DatabaseHandler db;
    public ArrayAdapter<String> adapter;
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View myFragmentView = inflater.inflate(R.layout.expenseview, container, false);
    context = getActivity().getApplicationContext();
    
    return myFragmentView;
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
      super.onActivityCreated(savedInstanceState);
      showList();
    }
  
  
  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
      //Get the selected item's date
    String selection = l.getItemAtPosition(position).toString();
    
    Intent i = new Intent(context, SingleListItem.class);
        // sending data to new activity
        i.putExtra("date", selection);
        startActivity(i);
  }
    
    public void showList(){
      db = new DatabaseHandler(context);
      
      ArrayList<Expense> expenses = db.getExpensesGrouped();
      ArrayList<String> values = new ArrayList<String>();
      SimpleDateFormat inputFormat = new SimpleDateFormat("yyyy-MM-dd",Locale.UK);
      SimpleDateFormat outputFormat = new SimpleDateFormat("yyyy-MM",Locale.UK);
      for(Expense exp : expenses){
    Date date;
    try {
      date = inputFormat.parse(exp.getDate());
      values.add(outputFormat.format(date));
    } catch (ParseException e) {
      // TODO Auto-generated catch block
        e.printStackTrace();
      }
      }
      
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
          R.layout.list_item, R.id.list, values);
      this.adapter = adapter;
      setListAdapter(adapter);
    }
    
    public void refresh(){
      showList();
      this.adapter.notifyDataSetChanged();
    }
  



}

Java Source Code List

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