Android Open Source - space-digitizing Building Manager

From Project

License

The source code is released under:
MIT License
If you think the Android project space-digitizing listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.khajenasir.spacedigitizing;
//  w  w w. ja  v a 2s. com
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;

import android.os.Bundle;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class BuildingManager extends Activity
{
  public static final int MENU_EDIT = Menu.FIRST + 1;
  public static final int MENU_REMOVE = Menu.FIRST + 2;
  
  private DatabaseHelper db=null;
  ArrayAdapter<String> adaptor;
  private List<Building> buildings = new ArrayList<Building>();
  String[] items;
  ListView list;
  
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.buildingmanager); 
        
        list = (ListView)findViewById(R.id.listViewBuildingManager);
    }
    
  public void onResume() 
  {
    super.onResume();

    try 
        {           
          db = new DatabaseHelper(this);
                  
          adaptor = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
          loadBuildings();
          
          list.setAdapter(adaptor);
        registerForContextMenu(list);
    } 
        catch (Exception e) 
    {
      e.printStackTrace();
    }
  }
    
  private void loadBuildings()
  {
    try 
    {    
      buildings.clear();
      items = null;
      
      String[] select = {"ID","Name","Shape","CategoryID","ParentID"};
      Cursor cursor = db.SelectTable("tbl_building", select, "ID>=0", "ID");
      cursor.moveToFirst();
      
          for(int i=0;i<cursor.getCount();i++)
          {
            Building newBuilding = new Building();
            newBuilding.ID = cursor.getInt(0);
            newBuilding.Name = cursor.getString(1);
            newBuilding.Shape = cursor.getString(2);
            newBuilding.CategoryID = cursor.getInt(3);
            buildings.add(newBuilding);
            cursor.moveToNext();
          }
          
      //items = new String[buildings.size()];
      for(int i = 0; i< buildings.size(); i++)
        adaptor.add(buildings.get(i).Name);
        //items[i] = buildings.get(i).Name;
    }  
    catch (Exception e) 
    {
      e.printStackTrace();
    }    
  }
  
  @Override
  public void onCreateContextMenu(ContextMenu menu, View v,ContextMenu.ContextMenuInfo menuInfo) 
  {
    menu.add(Menu.NONE, MENU_EDIT, Menu.NONE, "Edit");
    menu.add(Menu.NONE, MENU_REMOVE, Menu.NONE, "Remove");
  }
  
  @Override
  public boolean onContextItemSelected(MenuItem item) 
  {
    AdapterView.AdapterContextMenuInfo info= (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();

    switch (item.getItemId()) 
    {    
      case MENU_EDIT:
        
        try
        {
          Intent i = new Intent().setClass(this, newBuilding.class);
          i.putExtra("BuildingID", buildings.get(info.position).ID);
            startActivity(i);
        }
        catch(Exception ex)
        {
          ex.printStackTrace();
        }
        return(true);
      
      case MENU_REMOVE:
        
        try
        {
          db.DeleteRow("tbl_building", "ID=" + buildings.get(info.position).ID);
          db.DeleteRow("tbl_buildingfloor", "BuildingID=" + buildings.get(info.position).ID);
          db.DeleteRow("tbl_buildingpoint", "BuildingID=" + buildings.get(info.position).ID);
          
          adaptor.remove(buildings.get(info.position).Name);
          buildings.remove(info.position);
        }
        catch(Exception ex)
        {
          ex.printStackTrace();
        }
        return(true);
    }
    
    return(super.onContextItemSelected(item));
  }
  
    public void menu_click(View v)
    {
      Intent i;
      
      switch(v.getId())
      {
        case R.id.buttonNewBuilding :
          i = new Intent().setClass(this, newBuilding.class);
          startActivity(i);
          break;
      }
    }
    
    
}
Java Source Code List
