Android Open Source - Rhybudd Manage Database

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2013 - Gareth Llewellyn
 *//from ww  w. ja v  a  2s  . c om
 * This file is part of Rhybudd - http://blog.NetworksAreMadeOfString.co.uk/Rhybudd/
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>
 */

package net.networksaremadeofstring.rhybudd;

import android.app.ActionBar;
import android.app.Activity;
import android.view.MenuItem;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.bugsense.trace.BugSenseHandler;

public class ManageDatabase extends Activity
{
  Thread FlushDBThread;
  Handler UIUpdate;
  ActionBar actionbar;
  @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.manage_database);

        try
        {
            actionbar = getActionBar();
            actionbar.setDisplayHomeAsUpEnabled(true);
            actionbar.setHomeButtonEnabled(true);
        }
        catch (Exception e)
        {
            BugSenseHandler.sendExceptionMessage("ManageDatabase", "OnCreate", e);
        }

    try
    {
      ((TextView) findViewById(R.id.dbSize)).setText(Long.toString(ManageDatabase.this.getDatabasePath("rhybudd3Cache").length()) + " bytes");
    }
    catch(Exception e)
    {
            BugSenseHandler.sendExceptionMessage("ManageDatabase", "OnCreate", e);
    }
        
        
        UIUpdate = new Handler() 
        {
      public void handleMessage(Message msg) 
      {
        try
        {
          Toast.makeText(ManageDatabase.this, "Complete!", Toast.LENGTH_SHORT).show();
          /*if(msg.what == 0)
          {
            ((ProgressBar) findViewById(R.id.progressBar1)).setVisibility(0);
            ((TextView) findViewById(R.id.CurrentTaskLabel)).setVisibility(0);
          }
          else
          {
            ((ProgressBar) findViewById(R.id.progressBar1)).setVisibility(4);
              ((TextView) findViewById(R.id.CurrentTaskLabel)).setVisibility(4);
          }*/
        }
        catch(Exception e)
        {
                    BugSenseHandler.sendExceptionMessage("ManageDatabase", "UIUpdate", e);
        }
      }
        };
        
        ImageView refreshCacheButton = (ImageView) findViewById(R.id.refreshCacheImageView);
        refreshCacheButton.setClickable(true);
        refreshCacheButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) 
      {
        Toast.makeText(ManageDatabase.this, "There is no longer any need to manually invoke a cache refresh.", Toast.LENGTH_SHORT).show();
      }
        });
        
        
        ImageView moveToSDButton = (ImageView) findViewById(R.id.moveToSDImageView);
        moveToSDButton.setClickable(true);
        moveToSDButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) 
      {
        startActivityForResult(new Intent(Settings.ACTION_APPLICATION_SETTINGS),0);
      }
        });
        
        ImageView emptyDBButton = (ImageView) findViewById(R.id.emptyDBImageView);
        emptyDBButton.setClickable(true);
        emptyDBButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) 
      {
         AlertDialog.Builder alertbox = new AlertDialog.Builder(ManageDatabase.this);
         alertbox.setTitle("Confirmation");
           alertbox.setMessage("Are you sure you want to flush all local caches?\r\nThis can have bizarre consequences.");
           alertbox.setPositiveButton("Yes", new DialogInterface.OnClickListener() 
           {
                 public void onClick(DialogInterface arg0, int arg1) 
                 {
                   ((Thread) new Thread() 
                    {  
                      public void run() 
                      {
                        try
                        {
                          UIUpdate.sendEmptyMessage(0);
                                        RhybuddDataSource datasource = new RhybuddDataSource(ManageDatabase.this);
                                        datasource.open();
                                        datasource.FlushDB();
                                        datasource.close();
                          UIUpdate.sendEmptyMessage(1);
                        }
                      catch(Exception e)
                      {
                                        BugSenseHandler.sendExceptionMessage("ManageDatabase", "UIUpdate", e);
                      }
                      }
                    }).start();
                 }
           });

             alertbox.setNegativeButton("No", new DialogInterface.OnClickListener() 
             {
                 public void onClick(DialogInterface arg0, int arg1) 
                 {
                   //Do nothing
                 }
             });
             alertbox.show();
      }
        });
        
    }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
      switch (item.getItemId()) {
          case android.R.id.home:
          {
            //No need for crazy intents
            finish();
              
              return true;
          }
          
          default:
              return super.onOptionsItemSelected(item);
      }
  }
}

Java Source Code List

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