1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
| package com.example.mon.app;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.SimpleCursorAdapter;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
public class FlightBook extends FragmentActivity implements LoaderManager.LoaderCallbacks<Cursor>
{
private ListView ReservationList = null;
private Cursor c = null;
private SimpleCursorAdapter adapter = null;
private ReservationsBDD rdb = new ReservationsBDD(this);
private static final int LOADER_ID = 0;
private static final String[] PROJECTION = new String[] {MaBaseSQLite.COL_ID, MaBaseSQLite.getColReference(), MaBaseSQLite.getColLastname()};
private LoaderManager.LoaderCallbacks<Cursor> mCallbacks;
@SuppressWarnings("deprecation")
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_flight_book);
ReservationList = (ListView) findViewById(R.id.flightList);
//Initialiser la base de données
rdb.open();
String[] from = { MaBaseSQLite.getColReference(), MaBaseSQLite.getColLastname() };
int[] to = { R.id.reference_entry, R.id.lastname_entry };
//TODO: NE PAS UTILISER LES METHODES DECONSEILLEES PAR ECLIPSE
Cursor cursor = managedQuery(ReservationProvider.CONTENT_URI, PROJECTION, null, null, null);
adapter = new SimpleCursorAdapter(this, R.layout.flight_book_list, cursor, from, to);
ReservationList.setAdapter(adapter);
mCallbacks = this;
//ReservationList.setAdapter(mAdapter);
getSupportLoaderManager().initLoader(LOADER_ID, null, mCallbacks);
//Gérer le clic simple sur un élément de la listView
ReservationList.setOnItemClickListener(new OnItemClickListener()
{
long selectedItemID = 0;
public void onItemClick(AdapterView<?> parent, View view, int position, long id)
{
//Requêter la réservation par son ID
Reservation res = rdb.getReservationWithID(id);
//Afficher l'activité ReservationInfo
Intent myIntent = new Intent(view.getContext(), ReservationInfo.class);
myIntent.putExtra("ReservationReference", res.getReference());
myIntent.putExtra("LastName", res.getLastname());
startActivityForResult(myIntent, 0);
}
});
//Gestion du clic long sur un élément de la liste
ReservationList.setOnItemLongClickListener (new OnItemLongClickListener()
{
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id)
{
return onLongListItemClick(view, position, id);
}
protected boolean onLongListItemClick(final View v, final int pos, long id)
{
final String str=ReservationList.getItemAtPosition(pos).toString();
Log.i("ListView", "onLongListItemClick string=" + str);
AlertDialog.Builder builder = new AlertDialog.Builder(FlightBook.this);
builder.setMessage("Delete this entry from Flight Book?")
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
Log.i("ID",""+pos);
//TODO: UTILISER LE CURSORLOADER SI POSSIBLE!
rdb.removeReservationWithID((int)adapter.getItemId(pos));
//TODO: Gérer la mise à jour de la liste dans l'affichage en temps réel
//Refresh ListView automatically
//Cursor c = rdb.queueAll();
//startManagingCursor(c);
//mAdapter.changeCursor(c);
/*Cursor c = getContentResolver().query(Uri.withAppendedPath(ReservationProvider.CONTENT_URI, String.valueOf(id)), PROJECTION, null, null, null);
if (c.moveToFirst())
{
String reservationUrl = c.getString(0);
//tutSelectedListener.onTutSelected(reservationUrl);
}*/
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
dialog.cancel();
}
});
AlertDialog alert = builder.create();
alert.show();
return true;
}
});
}
public void onPause()
{
super.onPause();
}
public void onDestroy()
{
super.onDestroy();
rdb.close();
}
public void onStart()
{
super.onStart();
}
public void onStop()
{
super.onStop();
}
public void onResume(Bundle savedInstanceState)
{
super.onResume();
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
getMenuInflater().inflate(R.menu.activity_flight_book, menu);
return true;
}
public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1)
{
// TODO Auto-generated method stub
return new CursorLoader(FlightBook.this, ReservationProvider.CONTENT_URI, PROJECTION, null, null, null);
}
//@Override -> won't work, says "must override a superclass method"
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor)
{
adapter.swapCursor(cursor);
}
//@Override -> won't work, says "must override a superclass method"
public void onLoaderReset(Loader<Cursor> loader)
{
adapter.swapCursor(null);
}
} |
[Optimisation] Utilisation de CursorLoader au lieu de StartManagingCursor
Répondre avec citation
Partager