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Delphi XE5 android 捕获几个事件

作者:admin 来源: 日期:2014/1/23 15:28:49 人气: 标签:

以下代码能监控到以下几个事件:
FinishedLaunching
BecameActive
WillBecomeInactive
EnteredBackground
WillBecomeForeground
WillTerminate
LowMemory
TimeChange
OpenURL


unit Unit11;

interface

uses
  System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
  FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.Layouts,
  FMX.Memo, FMX.Platform, FMX.StdCtrls;

type
  TForm11 = class(TForm)
    Memo1: TMemo;
    ToolBar1: TToolBar;
    Label1: TLabel;
    procedure FormCreate(Sender: TObject);
  private
    procedure Log(s: string);
  public
    function HandleAppEvent(AAppEvent: TApplicationEvent; AContext: TObject): Boolean;
  end;

var
  Form11: TForm11;

implementation

{$R *.fmx}

{ TForm11 }

procedure TForm11.FormCreate(Sender: TObject);
var aFMXApplicationEventService: IFMXApplicationEventService;
begin
  if TPlatformServices.Current.SupportsPlatformService(IFMXApplicationEventService, IInterface(aFMXApplicationEventService)) then
    aFMXApplicationEventService.SetApplicationEventHandler(HandleAppEvent)
  else
    Log('Application Event Service is not supported.');
end;

function TForm11.HandleAppEvent(AAppEvent: TApplicationEvent;
  AContext: TObject): Boolean;
begin
  case AAppEvent of
    aeFinishedLaunching: Log('Finished Launching');
    aeBecameActive: Log('Became Active');
    aeWillBecomeInactive: Log('Will Become Inactive');
    aeEnteredBackground: Log('Entered Background');
    aeWillBecomeForeground: Log('Will Become Foreground');
    aeWillTerminate: Log('Will Terminate');
    aeLowMemory: Log('Low Memory');
    aeTimeChange: Log('Time Change');
    aeOpenURL: Log('Open URL');
  end;
  Result := True;
end;

procedure TForm11.Log(s: string);
begin
  Memo1.Lines.Add(TimeToStr(Now) + ': ' + s);
end;

end.



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