分段故障（11）

Question

我正在尝试这段代码; Google Cloud Messaging in Delphi XE5?

我只更改了Sender，Api键和dex.classes部署..

以前是工作，但现在当我试图编译时，我收到一个错误： $ 408839F8的首次机会异常。异常类分段错误（11）。处理testgcm.apk（989）

应用程序打开黑屏并关闭。

当我尝试在真实设备上启动时，它可以正常工作，但在仿真器上却没有。

testgcmnmain.pas：

unit testgcmmain;

interface

uses
  System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,
  FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs,
  FMX.StdCtrls, FMX.Layouts, FMX.Memo, IdBaseComponent, IdComponent, IdTCPConnection,
  IdTCPClient, IdHTTP, IdIOHandler, IdIOHandlerSocket, IdIOHandlerStack, IdSSL, IdSSLOpenSSL,
  gcmnotification;

type
  TForm8 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    gcmn: TGCMNotification;
    procedure OnNotification(Sender: TObject; ANotification: TGCMNotificationMessage);
  end;

const
  YOUR_GCM_SENDERID = '460004329921';
  YOUR_API_ID = 'AIzaSyBclEqDL-yFJRZZ6ESpBZLACJ27ROh7oao';

var
  Form8: TForm8;

implementation

{$R *.fmx}

procedure TForm8.Button1Click(Sender: TObject);
begin
  gcmn.SenderID := YOUR_GCM_SENDERID;
  if gcmn.DoRegister then
    Memo1.Lines.Add('Successfully registered with GCM.');
end;

procedure TForm8.Button2Click(Sender: TObject);
const
  sendUrl = 'https://android.googleapis.com/gcm/send';
var
  Params: TStringList;
  AuthHeader: STring;
  idHTTP: TIDHTTP;
  SSLIOHandler: TIdSSLIOHandlerSocketOpenSSL;
begin
  idHTTP := TIDHTTP.Create(nil);
  try
    SslIOHandler := TIdSSLIOHandlerSocketOpenSSL.Create(nil);
    idHTTP.IOHandler := SSLIOHandler;
    idHTTP.HTTPOptions := [];
    Params := TStringList.Create;
    try
      Params.Add('registration_id='+ gcmn.RegistrationID);
      Params.Values['data.message'] := 'test: ' + FormatDateTime('yy-mm-dd hh:nn:ss', Now);
      idHTTP.Request.Host := sendUrl;
      AuthHeader := 'Authorization: key=' + YOUR_API_ID;
      idHTTP.Request.CustomHeaders.Add(AuthHeader);
      IdHTTP.Request.ContentType := 'application/x-www-form-urlencoded;charset=UTF-8';
      Memo1.Lines.Add('Send result: ' + idHTTP.Post(sendUrl, Params));
    finally
      Params.Free;
    end;
  finally
    FreeAndNil(idHTTP);
  end;
end;

procedure TForm8.FormCreate(Sender: TObject);
begin
   gcmn := TGCMNotification.Create(self);
   gcmn.OnReceiveGCMNotification := OnNotification;
end;

procedure TForm8.FormDestroy(Sender: TObject);
begin
  FreeAndNil(gcmn);
end;

procedure TForm8.OnNotification(Sender: TObject;  ANotification: TGCMNotificationMessage);
begin
  Memo1.Lines.Add('Received: ' + ANotification.Body);
end;

end.

gcmnnotification.pas：

unit gcmnotification;

interface
{$IFDEF ANDROID}
uses
  System.SysUtils,
  System.Classes,
  FMX.Helpers.Android,
  Androidapi.JNI.PlayServices,
  Androidapi.JNI.GraphicsContentViewText,
  Androidapi.JNIBridge,
  Androidapi.JNI.JavaTypes,
  Androidapi.Helpers;

type
  TGCMNotificationMessageKind = (nmMESSAGE_TYPE_MESSAGE, nmMESSAGE_TYPE_DELETED, nmMESSAGE_TYPE_SEND_ERROR);

  { Discription of notification for Notification Center }
  TGCMNotificationMessage = class (TPersistent)
  private
    FKind: TGCMNotificationMessageKind;
    FSender: string;
    FWhat: integer;
    FBody: string;
  protected
    procedure AssignTo(Dest: TPersistent); override;
  public
    { Unique identificator for determenation notification in Notification list }
    property Kind: TGCMNotificationMessageKind read FKind write FKind;
    property Sender: string read FSender write FSender;
    property What: integer read FWhat write FWhat;
    property Body: string read FBody write FBody;
    constructor Create;
  end;

  TOnReceiveGCMNotification = procedure (Sender: TObject; ANotification: TGCMNotificationMessage) of object;

  TGCMNotification = class(TComponent)
  strict private
    { Private declarations }
    FRegistrationID: string;
    FSenderID: string;
    FOnReceiveGCMNotification: TOnReceiveGCMNotification;
    FReceiver: JBroadcastReceiver;
    FAlreadyRegistered: boolean;
    function CheckPlayServicesSupport: boolean;
  protected
    { Protected declarations }
  public
    { Public declarations }
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function DoRegister: boolean;
    function GetGCMInstance: JGoogleCloudMessaging;
  published
    { Published declarations }
    property SenderID: string read FSenderID write FSenderID;
    property RegistrationID: string read FRegistrationID write FRegistrationID;
    property OnReceiveGCMNotification: TOnReceiveGCMNotification read FOnReceiveGCMNotification write FOnReceiveGCMNotification;
  end;

{$ENDIF}
implementation
{$IFDEF ANDROID}
uses
  uGCMReceiver;


{ TGCMNotification }
function TGCMNotification.CheckPlayServicesSupport: boolean;
var
  resultCode: integer;
begin
  resultCode := TJGooglePlayServicesUtil.JavaClass.isGooglePlayServicesAvailable(SharedActivity);
  result := (resultCode = TJConnectionResult.JavaClass.SUCCESS);
end;

constructor TGCMNotification.Create(AOwner: TComponent);
var
  Filter: JIntentFilter;
begin
  inherited;
  Filter := TJIntentFilter.Create;
  FReceiver := TJGCMReceiver.Create(Self);
  SharedActivity.registerReceiver(FReceiver, Filter);
  FAlreadyRegistered := false;
end;

destructor TGCMNotification.Destroy;
begin
  SharedActivity.unregisterReceiver(FReceiver);
  FReceiver := nil;
  inherited;
end;

function TGCMNotification.DoRegister: boolean;
var
  p: TJavaObjectArray<JString>;
  gcm: JGoogleCloudMessaging;
begin
  if FAlreadyRegistered then
    result := true
  else
  begin
    if CheckPlayServicesSupport then
    begin
      gcm := GetGCMInstance;
      p := TJavaObjectArray<JString>.Create(1);
      p.Items[0] := StringToJString(FSenderID);
      FRegistrationID := JStringToString(gcm.register(p));
      FAlreadyRegistered := (FRegistrationID <> '');
      result := FAlreadyRegistered;
    end
    else
      result := false;
  end;
end;

function TGCMNotification.GetGCMInstance: JGoogleCloudMessaging;
begin
  result := TJGoogleCloudMessaging.JavaClass.getInstance(SharedActivity.getApplicationContext);
end;

{ TGCMNotificationMessage }

procedure TGCMNotificationMessage.AssignTo(Dest: TPersistent);
var
  DestNotification: TGCMNotificationMessage;
begin
  if Dest is TGCMNotificationMessage then
  begin
    DestNotification := Dest as TGCMNotificationMessage;
    DestNotification.Kind := Kind;
    DestNotification.What := What;
    DestNotification.Sender := Sender;
    DestNotification.Body := Body;
  end
  else
    inherited AssignTo(Dest);
end;

constructor TGCMNotificationMessage.Create;
begin
  Body := '';
end;
{$ENDIF}
end.