Android Open Source - MassRoute Mass Route Service View

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Back to project page MassRoute.

License

The source code is released under:

Copyright (c) 2010 Todd Anderson http://www.custardbelly.com/blog Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (th...

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Java Source Code

package com.custardbelly.massdot.view;
/*from  ww  w  . j a  v a2 s  . c  o  m*/
import java.net.URL;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;

import com.custardbelly.massdot.service.IMassRouteService;
import com.custardbelly.massdot.service.MassRouteService;
import com.custardbelly.massdot.service.responder.IMassRouteServiceResponder;

public class MassRouteServiceView extends ListActivity implements IMassRouteServiceResponder 
{
  protected static IMassRouteService service;
  
  protected boolean _hasProcessedRequest;
  protected AsyncTask<URL, Integer, Long> _task;
  
  private DialogInterface.OnClickListener errorDialogClickHandler = new DialogInterface.OnClickListener() {
    public void onClick( DialogInterface dialog, int id )
    {
      MassRouteServiceView.this.finish();
    }
  };
  
  @Override
  public void onCreate( Bundle bundle )
  {
    super.onCreate( bundle );
    
    if( MassRouteServiceView.service == null)
      MassRouteServiceView.service = new MassRouteService( MassRouteServiceView.this );
  }
  
  @Override
  public void onStart()
  {
    super.onStart();
    if( !_hasProcessedRequest )
    {
      startRequest();
    }
  }
  
  @Override
  public void onStop()
  {
    super.onStop();
    
    if( _task != null )
      _task.cancel( true );
  }  
  
  protected IMassRouteService getService()
  {
    return MassRouteServiceView.service;
  }
  
  protected void startRequest()
  {
    // abstract
  }
  
  protected void finishRequest()
  {
    _hasProcessedRequest = true;
    _task.cancel( true );
    _task = null;
  }
  
  public void handleServiceFault(String message) 
  {
    AlertDialog.Builder builder = new AlertDialog.Builder( this );
    builder.setTitle( "Error" );
    builder.setMessage( message );
    builder.setCancelable( true );
    builder.setPositiveButton( "OK", errorDialogClickHandler );
    AlertDialog alert = builder.create();
    alert.show();
    
    finishRequest();
  }
}

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