Android Open Source - ubihelper Manage Peers Activity

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From Project

Back to project page ubihelper.

License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Copyright (c) 2012 The University of Nottingham
 * /*from   w ww . j ava2  s . c  o  m*/
 * This file is part of ubihelper
 *
 *  ubihelper is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  ubihelper 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with ubihelper. If not, see <http://www.gnu.org/licenses/>.
 *  
 *  @author Chris Greenhalgh (cmg@cs.nott.ac.uk), The University of Nottingham
 */
package uk.ac.horizon.ubihelper.ui;

import java.util.ArrayList;
import java.util.List;

import uk.ac.horizon.ubihelper.R;
import uk.ac.horizon.ubihelper.R.layout;
import uk.ac.horizon.ubihelper.protocol.PeerInfo;
import uk.ac.horizon.ubihelper.service.PeerManager;
import uk.ac.horizon.ubihelper.service.PeersOpenHelper;
import uk.ac.horizon.ubihelper.service.Service;
import uk.ac.horizon.ubihelper.service.PeerManager.PeerRequestInfo;
import uk.ac.horizon.ubihelper.service.Service.LocalBinder;

import android.app.Activity;
import android.app.ListActivity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.HeaderViewListAdapter;
import android.widget.ListView;
import android.widget.ListView.FixedViewInfo;
import android.widget.CompoundButton;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import android.widget.Toast;

/**
 * @author cmg
 *
 */
public class ManagePeersActivity extends ListActivity {
  static final String TAG = "ubihelper-managepeers";
  private View searchView;
  private PeerManager peerManager;
  private ArrayAdapter<PeerInfo> peersAdapter;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    final OnClickListener clickListener = new OnClickListener() {
      public void onClick(View view) {
        PeerInfo pi = (PeerInfo)view.getTag();
        Log.d(TAG,"onItemClick "+pi.name);
        Intent i = PeerInfoActivity.getStartActivityIntent(ManagePeersActivity.this, pi);
        startActivity(i);
      }
    };
    final OnCheckedChangeListener enableListener = new OnCheckedChangeListener() {
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        PeerInfo pi = (PeerInfo)buttonView.getTag();
        Log.d(TAG,"onCheckedChanged "+pi.name+" -> "+isChecked);
        if (peerManager!=null && pi.enabled!=isChecked)
          peerManager.setPeerEnabled(pi, isChecked);
      }
    };
    peersAdapter = new ArrayAdapter<PeerInfo>(this, R.layout.peer_item, R.id.peer_item_name) {
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
        View v = convertView;
        if (v==null) {
          v = ManagePeersActivity.this.getLayoutInflater().inflate(R.layout.peer_item, null);
        }
        PeerInfo pi = getItem(position);
        CheckBox enabled = (CheckBox)v.findViewById(R.id.peer_item_enabled);
        enabled.setTag(pi);
        enabled.setChecked(pi.enabled);
        //enabled.setEnabled(false);
        enabled.setOnCheckedChangeListener(enableListener);
        TextView name = (TextView)v.findViewById(R.id.peer_item_name);
        name.setText(pi.name);
        TextView description = (TextView)v.findViewById(R.id.peer_item_description);
        description.setText(pi.trusted ? "Trusted peer" : "Untrusted peer");
        v.setClickable(true);
        v.setTag(pi);
        v.setOnClickListener(clickListener);
        return v;
      }      
    };
    //aa.add("Hello list");
    ListView lv = getListView();
    // following line fails with addView not supported in AdapterView
    searchView = getLayoutInflater().inflate(R.layout.add_peer_item, null);
    lv.addFooterView(searchView, "Add a new peer", true);
    lv.setAdapter(peersAdapter);
    lv.setOnItemClickListener(new OnItemClickListener() {
      public void onItemClick(AdapterView<?> adapter, View view, int arg2, long arg3) { 
        if (view==searchView) {
          Intent i = new Intent(ManagePeersActivity.this, SearchPeersActivity.class);
          startActivity(i);
        }
      }
    });
    
  }

  /* (non-Javadoc)
   * @see android.app.ListActivity#onDestroy()
   */
  @Override
  protected void onDestroy() {
    super.onDestroy();
  }

  @Override
  protected void onStart() {
    super.onStart();
    registerReceiver(peersChangedReceiver, new IntentFilter(PeerManager.ACTION_PEERS_CHANGED));
    Intent i = new Intent(this, Service.class);
    bindService(i, mServiceConnection, 0);
  }

  @Override
  protected void onStop() {
    super.onStop();
    unbindService(mServiceConnection);
    unregisterReceiver(peersChangedReceiver);
  }

  /** monitor binding to service (used for preference update push) */
  private ServiceConnection mServiceConnection = new ServiceConnection() {

    public void onServiceConnected(ComponentName name, IBinder binder) {
      peerManager = ((Service.LocalBinder)binder).getService().getPeerManager();
      Log.d(TAG,"Service connected");
      refresh();
    }

    public void onServiceDisconnected(ComponentName name) {
      peerManager = null;
      Log.d(TAG,"Service disconnected");
    }    
  };

  private BroadcastReceiver peersChangedReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
      // UI thread?
      refresh();
    }
  };  

  protected void refresh() {
    peersAdapter.clear();
    
    List<PeerInfo> peers = peerManager.getPeers();
    for (PeerInfo pi : peers) {
      Log.d(TAG,"Retrieved PeerInfo "+pi.id);
      peersAdapter.add(pi);
    }
  }
  
}

Java Source Code List

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