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flutter_messenger.h File Reference
`#include <stdbool.h>`
`#include <stddef.h>`
`#include <stdint.h>`
`#include "flutter_export.h"`

Go to the source code of this file.

## Classes
struct | FlutterDesktopMessage

## Typedefs
typedef struct FlutterDesktopMessenger * | FlutterDesktopMessengerRef
typedef struct _FlutterPlatformMessageResponseHandle | FlutterDesktopMessageResponseHandle
typedef void(* | FlutterDesktopBinaryReply) (const uint8_t *data, size_t data_size, void *user_data)
typedef void(* | FlutterDesktopMessageCallback) (FlutterDesktopMessengerRef, const FlutterDesktopMessage *, void *)

## Functions
FLUTTER_EXPORT bool | FlutterDesktopMessengerSend (FlutterDesktopMessengerRef messenger, const char *channel, const uint8_t *message, const size_t message_size)
FLUTTER_EXPORT bool | FlutterDesktopMessengerSendWithReply (FlutterDesktopMessengerRef messenger, const char *channel, const uint8_t *message, const size_t message_size, const FlutterDesktopBinaryReply reply, void *user_data)
FLUTTER_EXPORT void | FlutterDesktopMessengerSendResponse (FlutterDesktopMessengerRef messenger, const FlutterDesktopMessageResponseHandle *handle, const uint8_t *data, size_t data_length)
FLUTTER_EXPORT void | FlutterDesktopMessengerSetCallback (FlutterDesktopMessengerRef messenger, const char *channel, FlutterDesktopMessageCallback callback, void *user_data)
FLUTTER_EXPORT FlutterDesktopMessengerRef | FlutterDesktopMessengerAddRef (FlutterDesktopMessengerRef messenger)
FLUTTER_EXPORT void | FlutterDesktopMessengerRelease (FlutterDesktopMessengerRef messenger)
FLUTTER_EXPORT bool | FlutterDesktopMessengerIsAvailable (FlutterDesktopMessengerRef messenger)
FLUTTER_EXPORT FlutterDesktopMessengerRef | FlutterDesktopMessengerLock (FlutterDesktopMessengerRef messenger)
FLUTTER_EXPORT void | FlutterDesktopMessengerUnlock (FlutterDesktopMessengerRef messenger)

## Typedef Documentation

## ◆ FlutterDesktopBinaryReply

typedef void(* FlutterDesktopBinaryReply) (const uint8_t *data, size_t data_size, void *user_data)

Definition at line 26 of file flutter_messenger.h.

## ◆ FlutterDesktopMessageCallback

typedef void(* FlutterDesktopMessageCallback) (FlutterDesktopMessengerRef, const FlutterDesktopMessage *, void *)

Definition at line 49 of file flutter_messenger.h.

## ◆ FlutterDesktopMessageResponseHandle

typedef struct _FlutterPlatformMessageResponseHandle FlutterDesktopMessageResponseHandle

Definition at line 22 of file flutter_messenger.h.

## ◆ FlutterDesktopMessengerRef

typedef struct FlutterDesktopMessenger* FlutterDesktopMessengerRef

Definition at line 19 of file flutter_messenger.h.

## Function Documentation

## ◆ FlutterDesktopMessengerAddRef()

FLUTTER_EXPORT FlutterDesktopMessengerRef FlutterDesktopMessengerAddRef | ( | FlutterDesktopMessengerRef | messenger | ) |

## ◆ FlutterDesktopMessengerIsAvailable()

FLUTTER_EXPORT bool FlutterDesktopMessengerIsAvailable | ( | FlutterDesktopMessengerRef | messenger | ) |

## ◆ FlutterDesktopMessengerLock()

FLUTTER_EXPORT FlutterDesktopMessengerRef FlutterDesktopMessengerLock | ( | FlutterDesktopMessengerRef | messenger | ) |

## ◆ FlutterDesktopMessengerRelease()

FLUTTER_EXPORT void FlutterDesktopMessengerRelease | ( | FlutterDesktopMessengerRef | messenger | ) |

## ◆ FlutterDesktopMessengerSend()

FLUTTER_EXPORT bool FlutterDesktopMessengerSend | ( | FlutterDesktopMessengerRef | messenger,
|  | const char * | channel,
|  | const uint8_t * | message,
|  | const size_t | message_size
| ) |  |

Referenced by flutter::BinaryMessengerImpl::Send().

## ◆ FlutterDesktopMessengerSendResponse()

FLUTTER_EXPORT void FlutterDesktopMessengerSendResponse | ( | FlutterDesktopMessengerRef | messenger,
|  | const FlutterDesktopMessageResponseHandle * | handle,
|  | const uint8_t * | data,
|  | size_t | data_length
| ) |  |

Referenced by flutter::IncomingMessageDispatcher::HandleMessage().

## ◆ FlutterDesktopMessengerSendWithReply()

FLUTTER_EXPORT bool FlutterDesktopMessengerSendWithReply | ( | FlutterDesktopMessengerRef | messenger,
|  | const char * | channel,
|  | const uint8_t * | message,
|  | const size_t | message_size,
|  | const FlutterDesktopBinaryReply | reply,
|  | void * | user_data
| ) |  |

Referenced by flutter::BinaryMessengerImpl::Send().

## ◆ FlutterDesktopMessengerSetCallback()

FLUTTER_EXPORT void FlutterDesktopMessengerSetCallback | ( | FlutterDesktopMessengerRef | messenger,
|  | const char * | channel,
|  | FlutterDesktopMessageCallback | callback,
|  | void * | user_data
| ) |  |

Referenced by flutter::BinaryMessengerImpl::SetMessageHandler().

## ◆ FlutterDesktopMessengerUnlock()

FLUTTER_EXPORT void FlutterDesktopMessengerUnlock | ( | FlutterDesktopMessengerRef | messenger | ) |