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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 188 of file FlutterEngine.mm.

## Method Documentation

## ◆ handleRequestAppExitMethodCall:result:

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

Definition at line 213 of file FlutterEngine.mm.

213 :(NSDictionary<NSString*, id>*)arguments
214 result:(FlutterResult)result {
215 NSString* type = arguments[@"type"];
216 // Ignore the "exitCode" value in the arguments because AppKit doesn't have
217 // any good way to set the process exit code other than calling exit(), and
218 // that bypasses all of the native applicationShouldExit shutdown events,
219 // etc., which we don't want to skip.
220
221 FlutterAppExitType exitType =
222 [type isEqualTo:@"cancelable"] ? kFlutterAppExitTypeCancelable : kFlutterAppExitTypeRequired;
223
224 [self requestApplicationTermination:[NSApplication sharedApplication]
225 exitType:exitType
226 result:result];
227 }

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
| readwritenonatomicassign

Definition at line 60 of file FlutterEngine_Internal.h.

## ◆ shouldTerminate

- (BOOL) shouldTerminate
| readnonatomicassign

Definition at line 59 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:194