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FlutterEngineTerminationHandler Class Reference

`#import <FlutterEngine_Internal.h>`

Inheritance diagram for FlutterEngineTerminationHandler:

## Instance Methods
(instancetype) | - initWithEngine:terminator:
(void) | - handleRequestAppExitMethodCall:result:
(void) | - requestApplicationTermination:exitType:result:

## Properties
BOOL | shouldTerminate
BOOL | acceptingRequests

## Detailed Description

A handler interface for handling application termination that the FlutterAppDelegate can use to coordinate an application exit by sending messages through the platform channel managed by the engine.

Definition at line 180 of file FlutterEngine.mm.

## Method Documentation

## ◆ handleRequestAppExitMethodCall:result:

- (void) handleRequestAppExitMethodCall: |  | (NSDictionary<NSString*, id>*) | data
result: |  | (FlutterResult) | result

Definition at line 205 of file FlutterEngine.mm.

205 :(NSDictionary<NSString*, id>*)arguments
206 result:(FlutterResult)result {
207 NSString* type = arguments[@"type"];
208 // Ignore the "exitCode" value in the arguments because AppKit doesn't have
209 // any good way to set the process exit code other than calling exit(), and
210 // that bypasses all of the native applicationShouldExit shutdown events,
211 // etc., which we don't want to skip.
212
213 FlutterAppExitType exitType =
214 [type isEqualTo:@"cancelable"] ? kFlutterAppExitTypeCancelable : kFlutterAppExitTypeRequired;
215
216 [self requestApplicationTermination:[NSApplication sharedApplication]
217 exitType:exitType
218 result:result];
219 }

References requestApplicationTermination:exitType:result:.

## ◆ initWithEngine:terminator:

- (instancetype) initWithEngine: |  | (FlutterEngine *) | engine
terminator: |  | (nullable FlutterTerminationCallback) | terminator

## ◆ requestApplicationTermination:exitType:result:

- (void) requestApplicationTermination: |  | (NSApplication *) | sender
exitType: |  | (FlutterAppExitType) | type
result: |  | (nullable FlutterResult) | result

Referenced by handleRequestAppExitMethodCall:result:.

## Property Documentation

## ◆ acceptingRequests

- (BOOL) acceptingRequests
| read write nonatomic assign

Definition at line 58 of file FlutterEngine_Internal.h.

## ◆ shouldTerminate

- (BOOL) shouldTerminate
| read nonatomic assign

Definition at line 57 of file FlutterEngine_Internal.h.

The documentation for this class was generated from the following files:

- shell/platform/darwin/macos/framework/Source/FlutterEngine.mm
- shell/platform/darwin/macos/framework/Source/FlutterEngine_Internal.h

FlutterResult
void(^ FlutterResult)(id _Nullable result)
Definition: FlutterChannels.h:196