本文整理汇总了Java中android.database.Cursor.FIELD_TYPE_STRING属性的典型用法代码示例。如果您正苦于以下问题：Java Cursor.FIELD_TYPE_STRING属性的具体用法？Java Cursor.FIELD_TYPE_STRING怎么用？Java Cursor.FIELD_TYPE_STRING使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.database.Cursor的用法示例。
在下文中一共展示了Cursor.FIELD_TYPE_STRING属性的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getObject
static Object getObject(Cursor cursor, int columnIndex) throws Exception
{
int type = getType(cursor, columnIndex);
Object value;
switch (type)
{
case Cursor.FIELD_TYPE_BLOB:
value = cursor.getBlob(columnIndex);
break;
case Cursor.FIELD_TYPE_FLOAT:
value = cursor.getFloat(columnIndex);
break;
case Cursor.FIELD_TYPE_INTEGER:
value = cursor.getLong(columnIndex);
break;
case Cursor.FIELD_TYPE_NULL:
value = null;
break;
case Cursor.FIELD_TYPE_STRING:
value = cursor.getString(columnIndex);
break;
default:
value = cursor.getString(columnIndex);
}
return value;
}
示例2: ListRow
public ListRow(OModel model, Cursor cursor) {
this.baseModel = model;
for (String column : cursor.getColumnNames()) {
int index = cursor.getColumnIndex(column);
switch (cursor.getType(index)) {
case Cursor.FIELD_TYPE_INTEGER:
put(column, cursor.getInt(index));
break;
case Cursor.FIELD_TYPE_BLOB:
put(column, cursor.getBlob(index));
break;
case Cursor.FIELD_TYPE_STRING:
put(column, cursor.getString(index));
break;
case Cursor.FIELD_TYPE_FLOAT:
put(column, cursor.getFloat(index));
break;
case Cursor.FIELD_TYPE_NULL:
put(column, false);
break;
}
}
}
示例3: _dumpColumns
private void _dumpColumns(Cursor cursor, String msg) {
String[] columns = new String[cursor.getColumnCount()];
for (int i = 0; i < cursor.getColumnCount(); i++)
switch (cursor.getType(i)) {
case Cursor.FIELD_TYPE_NULL:
columns[i] = null;
break;
case Cursor.FIELD_TYPE_INTEGER:
columns[i] = Integer.toString(cursor.getInt(i));
break;
case Cursor.FIELD_TYPE_FLOAT:
columns[i] = Float.toString(cursor.getFloat(i));
break;
case Cursor.FIELD_TYPE_STRING:
columns[i] = cursor.getString(i);
break;
case Cursor.FIELD_TYPE_BLOB:
columns[i] = "[blob]";
break;
default:
Util.log(this, Log.WARN, "Unknown cursor data type=" + cursor.getType(i));
}
Util.log(this, Log.WARN, TextUtils.join(", ", columns) + " " + msg);
}
示例4: get
/**
* Returns an Object of the column. The receiving end is responsible for
* casting back to a correct data type.
*
* An Object with larger data type will be returned in case of floating point
* and integer numbers. I.e. they return doubles and longs respectively.
*
* @param columnName Name of the column within the cursor to get.
* @return Object with the contents of the column.
*/
public Object get(String columnName) {
int columnIndex = mCursor.getColumnIndex(columnName);
int type = mCursor.getType(columnIndex);
switch (type) {
case Cursor.FIELD_TYPE_FLOAT:
return mCursor.getDouble(columnIndex);
case Cursor.FIELD_TYPE_INTEGER:
return mCursor.getLong(columnIndex);
case Cursor.FIELD_TYPE_STRING:
return mCursor.getString(columnIndex);
case Cursor.FIELD_TYPE_NULL:
default:
return null;
}
}
示例5: getType
private static int getType(Cursor cursor, int columnIndex) throws Exception
{
if (Build.VERSION.SDK_INT >= 11)
{
return cursor.getType(columnIndex);
}
SQLiteCursor sqLiteCursor = (SQLiteCursor) cursor;
CursorWindow cursorWindow = sqLiteCursor.getWindow();
int pos = cursor.getPosition();
int type = -1;
if (cursorWindow.isNull(pos, columnIndex))
{
type = Cursor.FIELD_TYPE_NULL;
} else if (cursorWindow.isLong(pos, columnIndex))
{
type = Cursor.FIELD_TYPE_INTEGER;
} else if (cursorWindow.isFloat(pos, columnIndex))
{
type = Cursor.FIELD_TYPE_FLOAT;
} else if (cursorWindow.isString(pos, columnIndex))
{
type = Cursor.FIELD_TYPE_STRING;
} else if (cursorWindow.isBlob(pos, columnIndex))
{
type = Cursor.FIELD_TYPE_BLOB;
}
return type;
}
示例6: getTypeOfObject
public static int getTypeOfObject(Object obj) {
if (obj == null) {
return Cursor.FIELD_TYPE_NULL;
} else if (obj instanceof byte[]) {
return Cursor.FIELD_TYPE_BLOB;
} else if (obj instanceof Float || obj instanceof Double) {
return Cursor.FIELD_TYPE_FLOAT;
} else if (obj instanceof Long || obj instanceof Integer
|| obj instanceof Short || obj instanceof Byte) {
return Cursor.FIELD_TYPE_INTEGER;
} else {
return Cursor.FIELD_TYPE_STRING;
}
}
示例7: cursor2Map
public static Map<String, Object> cursor2Map(Cursor cursor) {
Map<String, Object> map = new HashMap<>();
if (cursor != null && cursor.getColumnCount() > 0) {
int count = cursor.getColumnCount();
for (int i = 0; i < count; i++) {
int type = cursor.getType(i);
Object value = null;
switch (type) {
case Cursor.FIELD_TYPE_STRING:
value = cursor.getString(i);
break;
case Cursor.FIELD_TYPE_INTEGER:
value = cursor.getInt(i);
break;
case Cursor.FIELD_TYPE_FLOAT:
value = cursor.getFloat(i);
break;
case Cursor.FIELD_TYPE_NULL:
LogUtils.d("未知的参数类型,type:" + type);
break;
case Cursor.FIELD_TYPE_BLOB:
LogUtils.d("未知的参数类型,type:" + type);
break;
}
if (value != null) {
String name = cursor.getColumnName(i);
map.put(name, value);
}
}
}
return map;
}
示例8: copyColumns
private void copyColumns(Cursor cursor, MatrixCursor result, int count) {
try {
Object[] columns = new Object[count];
for (int i = 0; i < count; i++)
switch (cursor.getType(i)) {
case Cursor.FIELD_TYPE_NULL:
columns[i] = null;
break;
case Cursor.FIELD_TYPE_INTEGER:
columns[i] = cursor.getInt(i);
break;
case Cursor.FIELD_TYPE_FLOAT:
columns[i] = cursor.getFloat(i);
break;
case Cursor.FIELD_TYPE_STRING:
columns[i] = cursor.getString(i);
break;
case Cursor.FIELD_TYPE_BLOB:
columns[i] = cursor.getBlob(i);
break;
default:
Util.log(this, Log.WARN, "Unknown cursor data type=" + cursor.getType(i));
}
result.addRow(columns);
} catch (Throwable ex) {
Util.bug(this, ex);
}
}
示例9: dumpCursor
/**
* Useful for debugging during development, so that arbitrary queries can be made, and their
* results inspected in the debugger.
*/
@SuppressWarnings("unused")
@RequiresApi(api = 11)
public static List<Map<String, String>> dumpCursor(Cursor cursor) {
List<Map<String, String>> data = new ArrayList<>();
if (cursor == null) {
return data;
}
cursor.moveToFirst();
while (!cursor.isAfterLast()) {
Map<String, String> row = new HashMap<>(cursor.getColumnCount());
for (String col : cursor.getColumnNames()) {
int i = cursor.getColumnIndex(col);
switch (cursor.getType(i)) {
case Cursor.FIELD_TYPE_NULL:
row.put(col, null);
break;
case Cursor.FIELD_TYPE_INTEGER:
row.put(col, Integer.toString(cursor.getInt(i)));
break;
case Cursor.FIELD_TYPE_FLOAT:
row.put(col, Double.toString(cursor.getFloat(i)));
break;
case Cursor.FIELD_TYPE_STRING:
row.put(col, cursor.getString(i));
break;
case Cursor.FIELD_TYPE_BLOB:
row.put(col, new String(cursor.getBlob(i), Charset.defaultCharset()));
break;
}
}
data.add(row);
cursor.moveToNext();
}
cursor.close();
return data;
}
示例10: query
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Uri fileUri = getFileUriWhenReady(uri);
if (fileUri == null) return null;
// Workaround for a bad assumption that particular MediaStore columns exist by certain third
// party applications.
// http://crbug.com/467423.
Cursor source = super.query(fileUri, projection, selection, selectionArgs, sortOrder);
String[] columnNames = source.getColumnNames();
String[] newColumnNames = columnNamesWithData(columnNames);
if (columnNames == newColumnNames) return source;
MatrixCursor cursor = new MatrixCursor(newColumnNames, source.getCount());
source.moveToPosition(-1);
while (source.moveToNext()) {
MatrixCursor.RowBuilder row = cursor.newRow();
for (int i = 0; i < columnNames.length; i++) {
switch (source.getType(i)) {
case Cursor.FIELD_TYPE_INTEGER:
row.add(source.getInt(i));
break;
case Cursor.FIELD_TYPE_FLOAT:
row.add(source.getFloat(i));
break;
case Cursor.FIELD_TYPE_STRING:
row.add(source.getString(i));
break;
case Cursor.FIELD_TYPE_BLOB:
row.add(source.getBlob(i));
break;
case Cursor.FIELD_TYPE_NULL:
default:
row.add(null);
break;
}
}
}
source.close();
return cursor;
}