如何向多个android设备发送推送通知
在这篇文章中,我遵循了图坦卡蒙关于如何使用GCM发送推送通知的指导,我成功地从应用程序发送和接收通知,但是,我无法从不同的android设备接收通知,设备只能发送和接收到自身。我需要它发送到所有设备使用相同的项目id? 这是我用过的代码如何向多个android设备发送推送通知,android,delphi,google-cloud-messaging,push,Android,Delphi,Google Cloud Messaging,Push,在这篇文章中,我遵循了图坦卡蒙关于如何使用GCM发送推送通知的指导,我成功地从应用程序发送和接收通知,但是,我无法从不同的android设备接收通知,设备只能发送和接收到自身。我需要它发送到所有设备使用相同的项目id? 这是我用过的代码 unit Unit1; interface uses System.SysUtils, System.Classes, GCMNotification, IndyPeerImpl, IdBaseComponent, IdComponent, I
unit Unit1;
interface
uses
System.SysUtils, System.Classes, GCMNotification, IndyPeerImpl,
IdBaseComponent, IdComponent, IdTCPConnection,
IdTCPClient, IdHTTP, IdIOHandler, IdIOHandlerSocket, IdIOHandlerStack, IdSSL, IdSSLOpenSSL
;
type
TDataModule1 = class(TDataModule)
procedure DataModuleCreate(Sender: TObject);
procedure DataModuleDestroy(Sender: TObject);
private
{ Private declarations }
{$IFDEF ANDROID}
gcmn: TGCMNotification;
{$ENDIF}
public
{ Public declarations }
function GetDeviceRegistrationId: string;
function PushMessage(Pushmessage: string): string;
end;
var
DataModule1: TDataModule1;
const
YOUR_GCM_SENDERID = '1232010xxxxxx';
YOUR_API_ID = 'AIzaSyBzvpTa-xxxxxxxxxxxxxxxxx';
implementation
{%CLASSGROUP 'FMX.Controls.TControl'}
{$R *.dfm}
procedure TDataModule1.DataModuleCreate(Sender: TObject);
var
isRegistered : boolean;
begin
isRegistered := true;
{$IFDEF ANDROID}
try
gcmn := TGCMNotification.Create(self);
gcmn.SenderID := YOUR_GCM_SENDERID;
isRegistered := gcmn.DoRegister;
except
end;
{$ENDIF}
end;
procedure TDataModule1.DataModuleDestroy(Sender: TObject);
begin
{$IFDEF ANDROID}
gcmn.Free();
{$ENDIF}
end;
function TDataModule1.GetDeviceRegistrationId: string;
begin
{$IFDEF ANDROID}
result := gcmn.RegistrationID;
{$ELSE}
result := 'Mobile Test';
{$ENDIF}
end;
function TDataModule1.PushMessage(Pushmessage : string):string;
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='+ GetDeviceRegistrationId());
Params.Values['data.message'] := Pushmessage;
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';
result := idHTTP.Post(sendUrl, Params);
finally
Params.Free;
end;
finally
FreeAndNil(idHTTP);
end;
end;
end.
这是按钮中的代码
DataModule1.PushMessage(Edit1.Text);
我不习惯Delphi,但看起来您需要修改
PushMessage
方法
将参数中的
registration\u id
更改为registration\u id
。添加(…)并确保GetDeviceRegistrationId()
返回预期注册id收件人的数组。但为什么同一应用程序的副本不接收通知?它发送和接收到iteslf!您的发件人是否拥有这些其他设备的所有注册ID?当你发送信息时,你也应该得到回复。这是一个JSON响应,显示成功和失败,如果有的话。是的,我有ID,我试图通过lisview中的循环ID发送推送消息,但没有成功!!var n:整数;开始n:=0到ListView1.Items.Count-1执行DataModule1.PushMessage(ListView1.ItemAppearanceName[n]);请看一下@Koh