Забил код урока. ListView не реагирует на insert\update и т.д. клики. Походу я с notifyChange() где-то напортачил, но не могу найти где я не прав
Не подскажете?
Вот код MyContentProvider:
Код: Выделить всё
public class MyContactsProvider extends ContentProvider
{
final String LOG_TAG = "myLogs";
static final String DB_NAME = "mydb";
static final int DB_VERSION = 1;
static final String CONTACT_TABLE = "contacts";
static final String CONTACT_ID = "_id";
static final String CONTACT_NAME = "name";
static final String CONTACT_EMAIL = "email";
static final String DB_CREATE = "CREATE TABLE " + CONTACT_TABLE + "("
+ CONTACT_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ CONTACT_NAME + " TEXT, "
+ CONTACT_EMAIL + " TEXT" + ");";
static final String AUTHORITY = "zulfigarov.com.trainingprj.MyContactsProvider";
static final String CONTACT_PATH = "contacts";
public static final Uri CONTACT_CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/" + CONTACT_PATH);
static final String CONTACT_CONTENT_TYPE = "vnd.android.cursor.dir/vnd." + AUTHORITY + "." + CONTACT_PATH;
static final String CONTACT_CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd." + AUTHORITY + "." + CONTACT_PATH;
static final int URI_CONTACTS = 1;
static final int URI_CONTACTS_ID = 2;
private static final UriMatcher uriMatcher;
static
{
uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
uriMatcher.addURI(AUTHORITY, CONTACT_PATH, URI_CONTACTS);
uriMatcher.addURI(AUTHORITY, CONTACT_PATH + "/#", URI_CONTACTS_ID);
}
DBHelper dbHelper;
SQLiteDatabase db;
@Override
public boolean onCreate()
{
Log.d(LOG_TAG, "onCreate provider");
dbHelper = new DBHelper(getContext());
return true;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)
{
Log.d(LOG_TAG,"query, " + uri.toString());
switch (uriMatcher.match(uri))
{
case URI_CONTACTS:
Log.d(LOG_TAG, "URI_CONTACTS");
if(TextUtils.isEmpty(sortOrder))
{
sortOrder = CONTACT_NAME + " ASC";
}
break;
case URI_CONTACTS_ID:
String id = uri.getLastPathSegment();
Log.d(LOG_TAG, "URI_CONTACTS_ID");
if (TextUtils.isEmpty(selection))
selection = CONTACT_ID + " = " + id;
else
selection = selection + " AND " + CONTACT_ID + " = " + id;
break;
default:
throw new IllegalArgumentException("Wrong URI: " + uri);
}
db = dbHelper.getWritableDatabase();
Cursor cursor = db.query(CONTACT_TABLE, projection, selection,
selectionArgs, null, null, sortOrder);
cursor.setNotificationUri(getContext().getContentResolver(),CONTACT_CONTENT_URI);
return cursor;
}
@Override
public String getType(Uri uri)
{
Log.d(LOG_TAG, "getTYpe, " + uri.toString());
switch (uriMatcher.match(uri))
{
case URI_CONTACTS:
return CONTACT_CONTENT_TYPE;
case URI_CONTACTS_ID:
return CONTACT_CONTENT_ITEM_TYPE;
}
return null;
}
@Override
public Uri insert(Uri uri, ContentValues values)
{
Log.d(LOG_TAG,"insert, " + uri.toString());
if(uriMatcher.match(uri) != URI_CONTACTS)
throw new IllegalArgumentException("Wrong URI: " + uri);
db = dbHelper.getWritableDatabase();
long rowID = db.insert(CONTACT_TABLE, null, values);
Uri resultUri = ContentUris.withAppendedId(CONTACT_CONTENT_URI, rowID);
getContext().getContentResolver().notifyChange(resultUri, null);
return resultUri;
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs)
{
Log.d(LOG_TAG,"delete, " + uri.toString());
switch (uriMatcher.match(uri))
{
case URI_CONTACTS:
Log.d(LOG_TAG,"URI_CONTACTS");
break;
case URI_CONTACTS_ID:
String id = uri.getLastPathSegment();
Log.d(LOG_TAG,"URI_CONTACTS_ID, " + id);
if(TextUtils.isEmpty(selection))
{
selection = CONTACT_ID + " = " + id;
}
else
{
selection = selection + " AND " + CONTACT_ID + " = " + id;
}
break;
default:
throw new IllegalArgumentException("Wrong URI: " + uri);
}
db = dbHelper.getWritableDatabase();
int cnt = db.delete(CONTACT_TABLE, selection, selectionArgs);
getContext().getContentResolver().notifyChange(uri, null);
return cnt;
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs)
{
Log.d(LOG_TAG,"update, " + uri.toString());
switch (uriMatcher.match(uri))
{
case URI_CONTACTS:
Log.d(LOG_TAG,"URI_CONTACTS");
break;
case URI_CONTACTS_ID:
String id = uri.getLastPathSegment();
Log.d(LOG_TAG, "URI_CONTACTS_ID");
if(TextUtils.isEmpty(selection))
{
selection = CONTACT_ID;
}
else
{
selection = selection + " AND " + CONTACT_ID + " = " + id;
}
break;
default:
throw new IllegalArgumentException("Wrong URI: " + uri);
}
db = dbHelper.getWritableDatabase();
int cnt = db.update(CONTACT_TABLE, values, selection, selectionArgs);
getContext().getContentResolver().notifyChange(uri,null);
return cnt;
}
private class DBHelper extends SQLiteOpenHelper
{
public DBHelper(Context context)
{
super(context, DB_NAME, null, DB_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db)
{
db.execSQL(DB_CREATE);
ContentValues cv = new ContentValues();
for (int i = 1; i <= 3; i++)
{
cv.put(CONTACT_NAME, "name " + i);
cv.put(CONTACT_EMAIL, "email " + i);
db.insert(CONTACT_TABLE, null, cv);
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
{
}
}
}
А вот MainActivity:
Код: Выделить всё
public class MainActivity extends ActionBarActivity
{
final String LOG_TAG = "myLogs";
final Uri CONTACT_URI = Uri.parse("content://zulfigarov.com.trainingprj.MyContactsProvider/contacts");
final String CONTACT_NAME = "name";
final String CONTACT_EMAIL = "email";
SimpleCursorAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Cursor cursor = getContentResolver().query(CONTACT_URI, null, null, null, null);
startManagingCursor(cursor);
String[] from = {"name", "email"};
int[] to = {android.R.id.text1, android.R.id.text2};
adapter = new SimpleCursorAdapter(this, android.R.layout.simple_list_item_2, cursor, from, to, 0);
ListView lvContact = (ListView)findViewById(R.id.lvContacts);
lvContact.setAdapter(adapter);
}
public void onClickInsert(View view)
{
ContentValues cv = new ContentValues();
cv.put(CONTACT_NAME, "name 4");
cv.put(CONTACT_EMAIL, "email 4");
Uri newUri = getContentResolver().insert(CONTACT_URI, cv);
Log.d(LOG_TAG, "insert, result Uri: " + newUri.toString());
}
public void onClickUpdate(View view)
{
ContentValues cv = new ContentValues();
cv.put(CONTACT_NAME, "name 5");
cv.put(CONTACT_EMAIL, "email 5");
Uri uri = ContentUris.withAppendedId(CONTACT_URI, 2);
int cnt = getContentResolver().update(uri, cv, null, null);
Log.d(LOG_TAG, "update, count = " + cnt);
}
public void onClickDelete(View view)
{
Uri uri = ContentUris.withAppendedId(CONTACT_URI, 3);
int cnt = getContentResolver().delete(uri, null, null);
Log.d(LOG_TAG, "delete, count = " + cnt);
}
public void onClickError(View view)
{
Uri uri = Uri.parse("content://zulfigarov.com.trainingprj.MyContentProvider/phones");
try
{
Cursor cursor = getContentResolver().query(uri, null, null, null, null);
}
catch (Exception ex)
{
Log.d(LOG_TAG, "Error: " + ex.getClass() + ", " + ex.getMessage());
}
}
}
