android/people/PeopleList.java

package com.grundfos.android.people;

import java.util.Date;

import android.app.AlertDialog;
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.net.ConnectivityManager;
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;

        ProgressDialog 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 Hørup 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()
        {
                ConnectivityManager cm = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
                if (cm.getActiveNetworkInfo().getType() != ConnectivityManager.TYPE_WIFI) {
                        AlertDialog.Builder builder = new AlertDialog.Builder(this);
                        builder.setMessage("You are not connected to a WiFi network. It is not recommended to load a DB via mobile network")
                        .setCancelable(false)
                        .setPositiveButton("Continue", new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int id) {
                                        dialog.dismiss();
                                        startLoadDatabase();
                                }
                        })
                        .setNegativeButton("Abort", new DialogInterface.OnClickListener() {
                                public void onClick(DialogInterface dialog, int id) {
                                        dialog.cancel();
                                }
                        })
                        .show();    
                } else {
                        startLoadDatabase();
                }
        }


        public void startLoadDatabase()
        {
                dialog = new ProgressDialog(this);
                dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                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) {
                        if (msg.what == 0)
                                dialog.setMax( msg.arg1 );
                        else
                                dialog.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.ListActivity;
7	import android.app.ProgressDialog;
8	import android.content.Context;
9	import android.content.DialogInterface;
10	import android.content.Intent;
11	import android.content.SharedPreferences;
12	import android.database.Cursor;
13	import android.net.ConnectivityManager;
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	ProgressDialog dialog;
46	SimpleCursorAdapter adapter;
47
48	@Override
49	public void onCreate(Bundle savedInstanceState) {
50	super.onCreate(savedInstanceState);
51	setContentView(R.layout.main);
52
53
54	peopleDB = new PeopleDatabase(this);
55
56
57	adapter = new SimpleCursorAdapter(this,
58	R.layout.row, // Use a template
59	// that displays a
60	// text view
61	null , // Give the cursor to the list adatper
62	new String[] { "name", "inits", "company" }, // Map the NAME column in the
63	// people database to...
64	new int[] {R.id.name, R.id.init, R.id.company}); // The "text1" view defined in
65	// the XML template
66
67	setListAdapter( adapter ) ;
68
69	EditText et = (EditText) findViewById( R.id.entry);
70	et.setOnEditorActionListener( new OnEditorActionListener() {
71	public boolean onEditorAction (TextView v, int actionId, KeyEvent event) {
72	Log.e("Atest", "asd: " + event );
73	return true;
74	}
75
76	});
77	et.addTextChangedListener( new TextWatcher() {
78	public void afterTextChanged(Editable s) {
79	searchStringChanged(s.toString());
80	}
81	public void onTextChanged(CharSequence s, int start, int before, int count){
82	}
83	public void beforeTextChanged(CharSequence s, int start, int count, int after){
84	}
85	});
86
87	if ( peopleDB.getPeopleCount() == 0)
88	onEmptyDB();
89
90	Log.i("PeopleList", "Activity started");
91	}
92
93
94
95
96	@Override
97	protected void finalize() throws Throwable {
98	peopleDB.close();
99	super.finalize();
100	}
101
102
103
104	public void onEmptyDB()
105	{
106	AlertDialog.Builder builder = new AlertDialog.Builder(this);
107	builder.setMessage("Database is empty, download data now?")
108	.setCancelable(false)
109	.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
110	public void onClick(DialogInterface dialog, int id) {
111	dialog.dismiss();
112	loadDatabase();
113	}
114	})
115	.setNegativeButton("No", new DialogInterface.OnClickListener() {
116	public void onClick(DialogInterface dialog, int id) {
117	dialog.cancel();
118	}
119	})
120	.show();
121	}
122
123	public void searchStringChanged(String search)
124	{
125	Cursor names = null;
126	if (search.trim().length() >= 2)
127	names = peopleDB.getPeopleList(search);
128
129	adapter.changeCursor(names);
130	adapter.notifyDataSetChanged();
131	}
132
133	protected void onListItemClick (ListView l, View v, int position, long id)
134	{
135	Intent intent = new Intent(this, PeopleDetails.class);
136	intent.putExtra("id", id);
137	startActivity(intent);
138	}
139
140
141	@Override
142	public boolean onOptionsItemSelected(MenuItem item) {
143
144	switch (item.getItemId()) {
145	case DOWNLOAD:
146	loadDatabase();
147	return true;
148	case ABOUT:
149	showAbout();
150	return true;
151	}
152
153	return super.onOptionsItemSelected(item);
154	}
155
156
157	@Override
158	public boolean onCreateOptionsMenu(Menu menu) {
159	menu.add(0, DOWNLOAD, 0, "Download DB");
160	menu.add(0, ABOUT, 0, "About");
161	return true;
162	}
163
164
165	public void showAbout() {
166	SharedPreferences settings = getSharedPreferences(PREFS, 0);
167	StringBuffer message = new StringBuffer();
168	message.append("Grundfos People v0.1\n");
169	message.append("By Torben Hørup Nielsen\n");
170	message.append("Database size: ").append(peopleDB.getPeopleCount()).append("\n");
171	message.append("Last DB update: ").append( settings.getString(PREF_LAST_DB_UPDATE, " - never -"));
172
173	showMessage(message.toString());
174
175	}
176
177	public void showMessage(String message) {
178	AlertDialog.Builder builder = new AlertDialog.Builder(this);
179	builder.setMessage(message)
180	.setCancelable(false)
181	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
182	public void onClick(DialogInterface dialog, int id) {
183	dialog.dismiss();
184	}
185	})
186	.show();
187
188	}
189
190	public void loadDatabase()
191	{
192	ConnectivityManager cm = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
193	if (cm.getActiveNetworkInfo().getType() != ConnectivityManager.TYPE_WIFI) {
194	AlertDialog.Builder builder = new AlertDialog.Builder(this);
195	builder.setMessage("You are not connected to a WiFi network. It is not recommended to load a DB via mobile network")
196	.setCancelable(false)
197	.setPositiveButton("Continue", new DialogInterface.OnClickListener() {
198	public void onClick(DialogInterface dialog, int id) {
199	dialog.dismiss();
200	startLoadDatabase();
201	}
202	})
203	.setNegativeButton("Abort", new DialogInterface.OnClickListener() {
204	public void onClick(DialogInterface dialog, int id) {
205	dialog.cancel();
206	}
207	})
208	.show();
209	} else {
210	startLoadDatabase();
211	}
212	}
213
214
215	public void startLoadDatabase()
216	{
217	dialog = new ProgressDialog(this);
218	dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
219	dialog.setMessage("Loading...");
220	dialog.setCancelable(false);
221	dialog.show();
222
223	Thread t = new Thread(reloadDB);
224	t.start();
225	}
226
227	private Handler progressHandler = new Handler() {
228	public void handleMessage(Message msg) {
229	if (msg.what == 0)
230	dialog.setMax( msg.arg1 );
231	else
232	dialog.setProgress(msg.arg1);
233	}
234	};
235
236	private Handler dbUpdateHandler = new Handler() {
237
238	@Override
239	public void handleMessage(Message msg) {
240	dialog.dismiss();
241	if (msg.what == DOWNLOAD_SUCCESS) {
242	Date d = new Date();
243
244	SharedPreferences settings = getSharedPreferences(PREFS, 0);
245
246	SharedPreferences.Editor ed = settings.edit();
247	ed.putString(PREF_LAST_DB_UPDATE, d.toLocaleString());
248	ed.commit();
249	} else {
250	showMessage("Download failed");
251
252	}
253	}
254	};
255
256	Runnable reloadDB = new Runnable() {
257	public void run() {
258	PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
259	PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
260	try
261	{
262	wl.acquire();
263
264	peopleDB.loadData(progressHandler);
265	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_SUCCESS);
266	} catch (Exception e) {
267	Log.e("PeopleList", "reloadDB", e);
268	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILED);
269	} finally {
270	wl.release();
271	}
272	}
273	};
274	}