Package io.flutter.embedding.android

Class KeyData

java.lang.Object

io.flutter.embedding.android.KeyData

public class KeyData
extends Object

The resulting Flutter key events generated by KeyEmbedderResponder, and are sent through the messenger after being marshalled with toBytes().

This class is the Java adaption of KeyData and KeyDataPacket in the C engine. Changes made to either side must also be made to the other.

Each KeyData corresponds to a ui.KeyData in the framework.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	KeyData.DeviceType	The device type of the key data.
static enum	KeyData.Type	The action type of the key data.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHANNEL	The channel that key data should be sent through.

Constructor Summary

Constructors

Constructor	Description
KeyData()	Creates an empty KeyData.
KeyData(ByteBuffer buffer)	Unmarshal fields from a buffer.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CHANNEL

public static final String CHANNEL

The channel that key data should be sent through.

Must be kept in sync with kFlutterKeyDataChannel in embedder.cc

See Also:

• Constant Field Values

Constructor Details

KeyData

public KeyData()

Creates an empty KeyData.

KeyData

public KeyData(@NonNull
 ByteBuffer buffer)

Unmarshal fields from a buffer.

For the binary format, see lib/ui/window/key_data_packet.h.