android/people/PeopleList.java

package com.grundfos.android.people;

import java.util.Date;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;

public class PeopleList extends ListActivity {

        
        public static final int DOWNLOAD = 1010;
        public static final int ABOUT = 1011;
        
        public static final int DOWNLOAD_SUCCESS = 0;
        public static final int DOWNLOAD_FAILED = 1;
        
        public static final String PREF_LAST_DB_UPDATE = "LastDbUpdate";
        public static final String PREFS = "PeoplePrefs";
        
        PeopleDatabase peopleDB;

        Dialog dialog;
        SimpleCursorAdapter adapter; 
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        peopleDB = new PeopleDatabase(this);
        
        
        adapter = new SimpleCursorAdapter(this,
                    R.layout.row, // Use a template
                                                          // that displays a
                                                          // text view
                    null , // Give the cursor to the list adatper
                    new String[] { "name", "inits", "company" }, // Map the NAME column in the
                                                         // people database to...
                    new int[] {R.id.name, R.id.init, R.id.company}); // The "text1" view defined in
                                                     // the XML template

         setListAdapter( adapter ) ;
        
        EditText et = (EditText) findViewById( R.id.entry);
        et.setOnEditorActionListener( new OnEditorActionListener() {
                public boolean  onEditorAction  (TextView v, int actionId, KeyEvent event) {
                        Log.e("Atest", "asd: " + event );
                        return true;
                }
                
        });
        et.addTextChangedListener( new TextWatcher() {
                public void afterTextChanged(Editable s) {
                        searchStringChanged(s.toString());
                }
                public void onTextChanged(CharSequence s, int start, int before, int count){
                }
                public void beforeTextChanged(CharSequence s, int start, int count, int after){
                }
        });
        
        
        if ( peopleDB.getPeopleCount() == 0)
                onEmptyDB();
        
        
        Log.i("PeopleList", "Activity started");        
    }
    

    @Override
        protected void finalize() throws Throwable {
        peopleDB.close();
                super.finalize();
        }


        public void onEmptyDB()
    {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage("Database is empty, download data now?")
                       .setCancelable(false)
                       .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                           public void onClick(DialogInterface dialog, int id) {
                                dialog.dismiss();
                                loadDatabase();
                           }
                       })
                       .setNegativeButton("No", new DialogInterface.OnClickListener() {
                           public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                           }
                       })
                       .show();    
    }
    
    public void searchStringChanged(String search)
    {
        Cursor names = null;
        if (search.trim().length() >= 2)
                names = peopleDB.getPeopleList(search);

        adapter.changeCursor(names);
        adapter.notifyDataSetChanged();
    }
    
    protected void  onListItemClick  (ListView l, View v, int position, long id)
    {
        Intent intent = new Intent(this, PeopleDetails.class);
        intent.putExtra("id", id);
        startActivity(intent);
    }


        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                
                switch (item.getItemId()) {
                case DOWNLOAD:
                        loadDatabase();
                        return true;
                case ABOUT:
                        showAbout();
                        return true;
                }
                
                return super.onOptionsItemSelected(item);
        }


        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                menu.add(0, DOWNLOAD, 0, "Download DB");
                menu.add(0, ABOUT, 0, "About");
                return true;

        }
        
        
        public void showAbout() {
                SharedPreferences settings = getSharedPreferences(PREFS, 0);
                StringBuffer message = new StringBuffer();
                message.append("Grundfos People v0.1\n");
                message.append("By Torben H�rup Nielsen\n");
                message.append("Database size: ").append(peopleDB.getPeopleCount()).append("\n");
                message.append("Last DB update: ").append( settings.getString(PREF_LAST_DB_UPDATE, " - never -"));
                
                showMessage(message.toString());

        }
        
        public void showMessage(String message) {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage(message)
                       .setCancelable(false)
                       .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                           public void onClick(DialogInterface dialog, int id) {
                                dialog.dismiss();
                           }
                       })
                       .show();
                
        }

        public void loadDatabase()
        {
                dialog = new ProgressDialog(this);
                ((ProgressDialog)dialog).setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                ((ProgressDialog)dialog).setMessage("Loading...");
                dialog.setCancelable(false);
                dialog.show();

                Thread t = new Thread(reloadDB);
                t.start();
        }

        private Handler progressHandler = new Handler() {
                public void handleMessage(Message msg) {
                        ProgressDialog dlg = (ProgressDialog) dialog;
                        if (msg.what == 0)
                                dlg.setMax( msg.arg1 );
                        else
                                dlg.setProgress(msg.arg1);
                }
        };
        
    private Handler dbUpdateHandler = new Handler() {

        @Override
        public void handleMessage(Message msg) {
                dialog.dismiss();
            if (msg.what == DOWNLOAD_SUCCESS) { 
                Date d = new Date();
                
                SharedPreferences settings = getSharedPreferences(PREFS, 0);

                SharedPreferences.Editor ed = settings.edit();                  
                ed.putString(PREF_LAST_DB_UPDATE, d.toLocaleString());
                ed.commit();
            } else {
                showMessage("Download failed");
                
            }
       }
    };

    Runnable reloadDB = new Runnable() {
                public void run() {
                        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
                        PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
                        try
                        {

                                 wl.acquire();


                                peopleDB.loadData(progressHandler);
                        dbUpdateHandler.sendEmptyMessage(DOWNLOAD_SUCCESS);
                        } catch (Exception e) {
                                Log.e("PeopleList", "reloadDB", e);
                                dbUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILED);
                        } finally {
                                 wl.release();
                        }
                }
    };
}
1	package com.grundfos.android.people;
2
3	import java.util.Date;
4
5	import android.app.AlertDialog;
6	import android.app.Dialog;
7	import android.app.ListActivity;
8	import android.app.ProgressDialog;
9	import android.content.Context;
10	import android.content.DialogInterface;
11	import android.content.Intent;
12	import android.content.SharedPreferences;
13	import android.database.Cursor;
14	import android.os.Bundle;
15	import android.os.Handler;
16	import android.os.Message;
17	import android.os.PowerManager;
18	import android.text.Editable;
19	import android.text.TextWatcher;
20	import android.util.Log;
21	import android.view.KeyEvent;
22	import android.view.Menu;
23	import android.view.MenuItem;
24	import android.view.View;
25	import android.widget.EditText;
26	import android.widget.ListView;
27	import android.widget.SimpleCursorAdapter;
28	import android.widget.TextView;
29	import android.widget.TextView.OnEditorActionListener;
30
31	public class PeopleList extends ListActivity {
32
33
34	public static final int DOWNLOAD = 1010;
35	public static final int ABOUT = 1011;
36
37	public static final int DOWNLOAD_SUCCESS = 0;
38	public static final int DOWNLOAD_FAILED = 1;
39
40	public static final String PREF_LAST_DB_UPDATE = "LastDbUpdate";
41	public static final String PREFS = "PeoplePrefs";
42
43	PeopleDatabase peopleDB;
44
45	Dialog dialog;
46	SimpleCursorAdapter adapter;
47
48	@Override
49	public void onCreate(Bundle savedInstanceState) {
50	super.onCreate(savedInstanceState);
51	setContentView(R.layout.main);
52
53	peopleDB = new PeopleDatabase(this);
54
55
56	adapter = new SimpleCursorAdapter(this,
57	R.layout.row, // Use a template
58	// that displays a
59	// text view
60	null , // Give the cursor to the list adatper
61	new String[] { "name", "inits", "company" }, // Map the NAME column in the
62	// people database to...
63	new int[] {R.id.name, R.id.init, R.id.company}); // The "text1" view defined in
64	// the XML template
65
66	setListAdapter( adapter ) ;
67
68	EditText et = (EditText) findViewById( R.id.entry);
69	et.setOnEditorActionListener( new OnEditorActionListener() {
70	public boolean onEditorAction (TextView v, int actionId, KeyEvent event) {
71	Log.e("Atest", "asd: " + event );
72	return true;
73	}
74
75	});
76	et.addTextChangedListener( new TextWatcher() {
77	public void afterTextChanged(Editable s) {
78	searchStringChanged(s.toString());
79	}
80	public void onTextChanged(CharSequence s, int start, int before, int count){
81	}
82	public void beforeTextChanged(CharSequence s, int start, int count, int after){
83	}
84	});
85
86
87	if ( peopleDB.getPeopleCount() == 0)
88	onEmptyDB();
89
90
91	Log.i("PeopleList", "Activity started");
92	}
93
94
95
96
97	@Override
98	protected void finalize() throws Throwable {
99	peopleDB.close();
100	super.finalize();
101	}
102
103
104
105	public void onEmptyDB()
106	{
107	AlertDialog.Builder builder = new AlertDialog.Builder(this);
108	builder.setMessage("Database is empty, download data now?")
109	.setCancelable(false)
110	.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
111	public void onClick(DialogInterface dialog, int id) {
112	dialog.dismiss();
113	loadDatabase();
114	}
115	})
116	.setNegativeButton("No", new DialogInterface.OnClickListener() {
117	public void onClick(DialogInterface dialog, int id) {
118	dialog.cancel();
119	}
120	})
121	.show();
122	}
123
124	public void searchStringChanged(String search)
125	{
126	Cursor names = null;
127	if (search.trim().length() >= 2)
128	names = peopleDB.getPeopleList(search);
129
130	adapter.changeCursor(names);
131	adapter.notifyDataSetChanged();
132	}
133
134	protected void onListItemClick (ListView l, View v, int position, long id)
135	{
136	Intent intent = new Intent(this, PeopleDetails.class);
137	intent.putExtra("id", id);
138	startActivity(intent);
139	}
140
141
142	@Override
143	public boolean onOptionsItemSelected(MenuItem item) {
144
145	switch (item.getItemId()) {
146	case DOWNLOAD:
147	loadDatabase();
148	return true;
149	case ABOUT:
150	showAbout();
151	return true;
152	}
153
154	return super.onOptionsItemSelected(item);
155	}
156
157
158	@Override
159	public boolean onCreateOptionsMenu(Menu menu) {
160	menu.add(0, DOWNLOAD, 0, "Download DB");
161	menu.add(0, ABOUT, 0, "About");
162	return true;
163
164	}
165
166
167	public void showAbout() {
168	SharedPreferences settings = getSharedPreferences(PREFS, 0);
169	StringBuffer message = new StringBuffer();
170	message.append("Grundfos People v0.1\n");
171	message.append("By Torben H�rup Nielsen\n");
172	message.append("Database size: ").append(peopleDB.getPeopleCount()).append("\n");
173	message.append("Last DB update: ").append( settings.getString(PREF_LAST_DB_UPDATE, " - never -"));
174
175	showMessage(message.toString());
176
177	}
178
179	public void showMessage(String message) {
180	AlertDialog.Builder builder = new AlertDialog.Builder(this);
181	builder.setMessage(message)
182	.setCancelable(false)
183	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
184	public void onClick(DialogInterface dialog, int id) {
185	dialog.dismiss();
186	}
187	})
188	.show();
189
190	}
191
192	public void loadDatabase()
193	{
194	dialog = new ProgressDialog(this);
195	((ProgressDialog)dialog).setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
196	((ProgressDialog)dialog).setMessage("Loading...");
197	dialog.setCancelable(false);
198	dialog.show();
199
200	Thread t = new Thread(reloadDB);
201	t.start();
202	}
203
204	private Handler progressHandler = new Handler() {
205	public void handleMessage(Message msg) {
206	ProgressDialog dlg = (ProgressDialog) dialog;
207	if (msg.what == 0)
208	dlg.setMax( msg.arg1 );
209	else
210	dlg.setProgress(msg.arg1);
211	}
212	};
213
214	private Handler dbUpdateHandler = new Handler() {
215
216	@Override
217	public void handleMessage(Message msg) {
218	dialog.dismiss();
219	if (msg.what == DOWNLOAD_SUCCESS) {
220	Date d = new Date();
221
222	SharedPreferences settings = getSharedPreferences(PREFS, 0);
223
224	SharedPreferences.Editor ed = settings.edit();
225	ed.putString(PREF_LAST_DB_UPDATE, d.toLocaleString());
226	ed.commit();
227	} else {
228	showMessage("Download failed");
229
230	}
231	}
232	};
233
234	Runnable reloadDB = new Runnable() {
235	public void run() {
236	PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
237	PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
238	try
239	{
240
241	wl.acquire();
242
243
244	peopleDB.loadData(progressHandler);
245	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_SUCCESS);
246	} catch (Exception e) {
247	Log.e("PeopleList", "reloadDB", e);
248	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILED);
249	} finally {
250	wl.release();
251	}
252	}
253	};
254	}