Delphi IOS class_addMethod

class_addMethod

学习FMX.Platform.iOS.pas文件的处理办法

d:\program files (x86)\embarcadero\studio\17.0\source\fmx\FMX.Platform.iOS.pas

performFetchWithCompletionHandler

procedure performFetchWithCompletionHandler(self : id; _cmd : SEL; application: PUIApplication; handler : id );

var

  ahandlerimp: IMP;

begin

  //Code to perform fetch HERE!!!!

  fecth_string_test := 'entered background code!!';

  ahandlerimp := imp_implementationWithBlock( handler ); //Create c function for block

  ahandlerimp(self,_cmd, UIBackgroundFetchResultNewData); //Call c function, _cmd is ignored

  imp_removeBlock(ahandlerimp); //Remove the c function created two lines up

end;

class_addMethod(objc_getClass('DelphiAppDelegate') ,

sel_getUid('application:performFetchWithCompletionHandler:'),

@performFetchWithCompletionHandler,

'v@:@?');

applicationDidReceiveLocalNotification

procedure applicationDidReceiveLocalNotification(self: id; _cmd: SEL;

application: PUIApplication; notification: Pointer);

begin

    ShowMessage('it works');

end;

class_addMethod(objc_getClass('DelphiAppDelegate'), sel_getUid('application:didReceiveLocalNotification:'),

@applicationDidReceiveLocalNotification, 'v@:@@');