androidx.core.database

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Kotlin |Java

Classes

CursorWindowCompat	Helper for accessing features in CursorWindow
DatabaseUtilsCompat	This class is deprecated. Use android.database.DatabaseUtils directly.

Extension functions summary

inline ByteArray?	Cursor.getBlobOrNull(index: Int) Returns the value of the requested column as a nullable byte array.
inline Double?	Cursor.getDoubleOrNull(index: Int) Returns the value of the requested column as a nullable double.
inline Float?	Cursor.getFloatOrNull(index: Int) Returns the value of the requested column as a nullable float.
inline Int?	Cursor.getIntOrNull(index: Int) Returns the value of the requested column as a nullable integer.
inline Long?	Cursor.getLongOrNull(index: Int) Returns the value of the requested column as a nullable long.
inline Short?	Cursor.getShortOrNull(index: Int) Returns the value of the requested column as a nullable short.
inline String?	Cursor.getStringOrNull(index: Int) Returns the value of the requested column as a nullable string.

Extension functions

getBlobOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getBlobOrNull(index: Int): ByteArray?

Returns the value of the requested column as a nullable byte array.

The result and whether this method throws an exception when the column type is not a blob type is implementation-defined.

See also
isNull
getBlob

getDoubleOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getDoubleOrNull(index: Int): Double?

Returns the value of the requested column as a nullable double.

The result and whether this method throws an exception when the column type is not a floating-point type is implementation-defined.

See also
isNull
getDouble

getFloatOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getFloatOrNull(index: Int): Float?

Returns the value of the requested column as a nullable float.

The result and whether this method throws an exception when the column type is not a floating-point type is implementation-defined.

See also
isNull
getFloat

getIntOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getIntOrNull(index: Int): Int?

Returns the value of the requested column as a nullable integer.

The result and whether this method throws an exception when the column type is not an integral type is implementation-defined.

See also
isNull
getInt

getLongOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getLongOrNull(index: Int): Long?

Returns the value of the requested column as a nullable long.

The result and whether this method throws an exception when the column type is not an integral type is implementation-defined.

See also
isNull
getLong

getShortOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getShortOrNull(index: Int): Short?

Returns the value of the requested column as a nullable short.

The result and whether this method throws an exception when the column type is not an integral type is implementation-defined.

See also
isNull
getShort

getStringOrNull

Artifact: androidx.core:core-ktx

View Source

Added in 1.1.0

inline fun Cursor.getStringOrNull(index: Int): String?

Returns the value of the requested column as a nullable string.

The result and whether this method throws an exception when the column type is not a string type is implementation-defined.

See also
isNull
getString