@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int uriType = ContentDescriptor.uriMatcher.match(uri);
String tableName = ContentDescriptor.getTableName(uriType);
SQLiteDatabase db = dbHelper.getWritableDatabase();
int result = db.delete(tableName, selection, selectionArgs);
getContext().getContentResolver().notifyChange(uri, null);
return result;
}
@Override
public Cursor query(
Uri uri, String[] projection, String selection, String[] selectionArgs, String orderBy) {
int uriType = ContentDescriptor.uriMatcher.match(uri);
String tableName = ContentDescriptor.getTableName(uriType);
SQLiteDatabase db = dbHelper.getReadableDatabase();
Cursor cursor = db.query(tableName, projection, selection, selectionArgs, null, null, orderBy);
cursor.setNotificationUri(getContext().getContentResolver(), uri);
return cursor;
}
@Override
public int update(
Uri uri, ContentValues contentValues, String selection, String[] selectionArgs) {
int uriType = ContentDescriptor.uriMatcher.match(uri);
String tableName = ContentDescriptor.getTableName(uriType);
SQLiteDatabase db = dbHelper.getWritableDatabase();
int result;
try {
result = db.update(tableName, contentValues, selection, selectionArgs);
} catch (Throwable e) {
Log.e(MyContentProvider.class.getSimpleName(), "Unable to update SQLiteDatabase");
result = 0;
}
return result;
}
@Override
public Uri insert(Uri uri, ContentValues contentValues) {
int uriType = ContentDescriptor.uriMatcher.match(uri);
String tableName = ContentDescriptor.getTableName(uriType);
SQLiteDatabase db = dbHelper.getWritableDatabase();
long id =
db.insertWithOnConflict(tableName, null, contentValues, SQLiteDatabase.CONFLICT_IGNORE);
getContext().getContentResolver().notifyChange(uri, null);
if (TextUtils.equals(tableName, ContentDescriptor.Toys.TABLE_NAME)) {
return Uri.parse(ContentDescriptor.Toys.TABLE_URI + "/" + id);
} else {
return null;
}
}
