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	torben	228	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	torben	231	import android.content.Context;
10	torben	228	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	torben	231	import android.os.PowerManager;
18	torben	228	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	torben	229	public static final int DOWNLOAD_SUCCESS = 0;
38			public static final int DOWNLOAD_FAILED = 1;
39
40	torben	228	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	torben	230	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	torben	228	Thread t = new Thread(reloadDB);
201			t.start();
202			}
203
204	torben	230	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	torben	228
214			private Handler dbUpdateHandler = new Handler() {
215
216			@Override
217			public void handleMessage(Message msg) {
218			dialog.dismiss();
219	torben	229	if (msg.what == DOWNLOAD_SUCCESS) {
220	torben	228	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	torben	231	PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
237			PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
238	torben	228	try
239			{
240	torben	231
241			wl.acquire();
242
243
244	torben	230	peopleDB.loadData(progressHandler);
245	torben	229	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_SUCCESS);
246	torben	228	} catch (Exception e) {
247	torben	230	Log.e("PeopleList", "reloadDB", e);
248	torben	229	dbUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILED);
249	torben	231	} finally {
250			wl.release();
251			}
252	torben	228	}
253			};
254			}