Delphi Android SDK EPSON - Invoke error method not found

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I am getting the following error EJNIFatal Exception : Method not found when implementing EPSON Printer SDK for TM M30 (Bluetooth)
com.epson.epos2.discovery.Discovery

Interface

unit com.epson.epos2.discovery.Discovery;



interface



uses

  AndroidAPI.JNIBridge,

  Androidapi.JNI.JavaTypes,

  com.epson.epos2.discovery.DiscoveryListener,

  com.epson.epos2.discovery.FilterOption,

  Androidapi.JNI.GraphicsContentViewText,

  com.epson.epos2.discovery.DeviceInfo;



type

  JDiscovery = interface;



  JDiscoveryClass = interface(JObjectClass)

    ['{D8B21BB2-D0C7-4654-AAFB-61B39334F3F1}']

    function GetFILTER_NAME : Integer; cdecl;                                  //  A: $19

    function GetFILTER_NONE : Integer; cdecl;                                  //  A: $19

    function GetMODEL_ALL : Integer; cdecl;                                    //  A: $19

    function GetPORTTYPE_ALL : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_BLUETOOTH : Integer; cdecl;                           //  A: $19

    function GetPORTTYPE_TCP : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_USB : Integer; cdecl;                                 //  A: $19

    function GetTYPE_ALL : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CAT : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CCHANGER : Integer; cdecl;                                //  A: $19

    function GetTYPE_DISPLAY : Integer; cdecl;                                 //  A: $19

    function GetTYPE_HYBRID_PRINTER : Integer; cdecl;                          //  A: $19

    function GetTYPE_KEYBOARD : Integer; cdecl;                                //  A: $19

    function GetTYPE_MSR : Integer; cdecl;                                     //  A: $19

    function GetTYPE_OTHER_PERIPHERAL : Integer; cdecl;                        //  A: $19

    function GetTYPE_POS_KEYBOARD : Integer; cdecl;                            //  A: $19

    function GetTYPE_PRINTER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SCANNER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SERIAL : Integer; cdecl;                                  //  A: $19

    function init : JDiscovery; cdecl;                                          // ()V A: $1

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;                                                     // ()V A: $29

    property FILTER_NAME : Integer read GetFILTER_NAME;                        // I A: $19

    property FILTER_NONE : Integer read GetFILTER_NONE;                        // I A: $19

    property MODEL_ALL : Integer read GetMODEL_ALL;                            // I A: $19

    property PORTTYPE_ALL : Integer read GetPORTTYPE_ALL;                      // I A: $19

    property PORTTYPE_BLUETOOTH : Integer read GetPORTTYPE_BLUETOOTH;          // I A: $19

    property PORTTYPE_TCP : Integer read GetPORTTYPE_TCP;                      // I A: $19

    property PORTTYPE_USB : Integer read GetPORTTYPE_USB;                      // I A: $19

    property TYPE_ALL : Integer read GetTYPE_ALL;                              // I A: $19

    property TYPE_CAT : Integer read GetTYPE_CAT;                              // I A: $19

    property TYPE_CCHANGER : Integer read GetTYPE_CCHANGER;                    // I A: $19

    property TYPE_DISPLAY : Integer read GetTYPE_DISPLAY;                      // I A: $19

    property TYPE_HYBRID_PRINTER : Integer read GetTYPE_HYBRID_PRINTER;        // I A: $19

    property TYPE_KEYBOARD : Integer read GetTYPE_KEYBOARD;                    // I A: $19

    property TYPE_MSR : Integer read GetTYPE_MSR;                              // I A: $19

    property TYPE_OTHER_PERIPHERAL : Integer read GetTYPE_OTHER_PERIPHERAL;    // I A: $19

    property TYPE_POS_KEYBOARD : Integer read GetTYPE_POS_KEYBOARD;            // I A: $19

    property TYPE_PRINTER : Integer read GetTYPE_PRINTER;                      // I A: $19

    property TYPE_SCANNER : Integer read GetTYPE_SCANNER;                      // I A: $19

    property TYPE_SERIAL : Integer read GetTYPE_SERIAL;                        // I A: $19

  end;



  [JavaSignature('com/epson/epos2/discovery/Discovery')]

  JDiscovery = interface(JObject)

    ['{1CA6140A-C36C-454F-81D9-81DD7B66281B}']

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;

  end;



  TJDiscovery = class(TJavaGenericImport<JDiscoveryClass, JDiscovery>)

  end;

My Code looks like this

procedure TForm1.Button1Click(Sender: TObject);

var

 ldiscover : TJDiscovery;

 ldis      : JDiscovery;

begin

 ldis :=  TJDiscovery.JavaClass.init; //<----- Error here



end;

Can someone help with why; Method not found? (is there something wrong with how delphi/android handles API's, Method not found issue is all over, but no solutions )

Using Tokyo 10.2

android delphi sdk

share|improve this question

asked 44 mins ago

Happy

1

add a comment | 

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0
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I am getting the following error EJNIFatal Exception : Method not found when implementing EPSON Printer SDK for TM M30 (Bluetooth)
com.epson.epos2.discovery.Discovery

Interface

unit com.epson.epos2.discovery.Discovery;



interface



uses

  AndroidAPI.JNIBridge,

  Androidapi.JNI.JavaTypes,

  com.epson.epos2.discovery.DiscoveryListener,

  com.epson.epos2.discovery.FilterOption,

  Androidapi.JNI.GraphicsContentViewText,

  com.epson.epos2.discovery.DeviceInfo;



type

  JDiscovery = interface;



  JDiscoveryClass = interface(JObjectClass)

    ['{D8B21BB2-D0C7-4654-AAFB-61B39334F3F1}']

    function GetFILTER_NAME : Integer; cdecl;                                  //  A: $19

    function GetFILTER_NONE : Integer; cdecl;                                  //  A: $19

    function GetMODEL_ALL : Integer; cdecl;                                    //  A: $19

    function GetPORTTYPE_ALL : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_BLUETOOTH : Integer; cdecl;                           //  A: $19

    function GetPORTTYPE_TCP : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_USB : Integer; cdecl;                                 //  A: $19

    function GetTYPE_ALL : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CAT : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CCHANGER : Integer; cdecl;                                //  A: $19

    function GetTYPE_DISPLAY : Integer; cdecl;                                 //  A: $19

    function GetTYPE_HYBRID_PRINTER : Integer; cdecl;                          //  A: $19

    function GetTYPE_KEYBOARD : Integer; cdecl;                                //  A: $19

    function GetTYPE_MSR : Integer; cdecl;                                     //  A: $19

    function GetTYPE_OTHER_PERIPHERAL : Integer; cdecl;                        //  A: $19

    function GetTYPE_POS_KEYBOARD : Integer; cdecl;                            //  A: $19

    function GetTYPE_PRINTER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SCANNER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SERIAL : Integer; cdecl;                                  //  A: $19

    function init : JDiscovery; cdecl;                                          // ()V A: $1

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;                                                     // ()V A: $29

    property FILTER_NAME : Integer read GetFILTER_NAME;                        // I A: $19

    property FILTER_NONE : Integer read GetFILTER_NONE;                        // I A: $19

    property MODEL_ALL : Integer read GetMODEL_ALL;                            // I A: $19

    property PORTTYPE_ALL : Integer read GetPORTTYPE_ALL;                      // I A: $19

    property PORTTYPE_BLUETOOTH : Integer read GetPORTTYPE_BLUETOOTH;          // I A: $19

    property PORTTYPE_TCP : Integer read GetPORTTYPE_TCP;                      // I A: $19

    property PORTTYPE_USB : Integer read GetPORTTYPE_USB;                      // I A: $19

    property TYPE_ALL : Integer read GetTYPE_ALL;                              // I A: $19

    property TYPE_CAT : Integer read GetTYPE_CAT;                              // I A: $19

    property TYPE_CCHANGER : Integer read GetTYPE_CCHANGER;                    // I A: $19

    property TYPE_DISPLAY : Integer read GetTYPE_DISPLAY;                      // I A: $19

    property TYPE_HYBRID_PRINTER : Integer read GetTYPE_HYBRID_PRINTER;        // I A: $19

    property TYPE_KEYBOARD : Integer read GetTYPE_KEYBOARD;                    // I A: $19

    property TYPE_MSR : Integer read GetTYPE_MSR;                              // I A: $19

    property TYPE_OTHER_PERIPHERAL : Integer read GetTYPE_OTHER_PERIPHERAL;    // I A: $19

    property TYPE_POS_KEYBOARD : Integer read GetTYPE_POS_KEYBOARD;            // I A: $19

    property TYPE_PRINTER : Integer read GetTYPE_PRINTER;                      // I A: $19

    property TYPE_SCANNER : Integer read GetTYPE_SCANNER;                      // I A: $19

    property TYPE_SERIAL : Integer read GetTYPE_SERIAL;                        // I A: $19

  end;



  [JavaSignature('com/epson/epos2/discovery/Discovery')]

  JDiscovery = interface(JObject)

    ['{1CA6140A-C36C-454F-81D9-81DD7B66281B}']

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;

  end;



  TJDiscovery = class(TJavaGenericImport<JDiscoveryClass, JDiscovery>)

  end;

My Code looks like this

procedure TForm1.Button1Click(Sender: TObject);

var

 ldiscover : TJDiscovery;

 ldis      : JDiscovery;

begin

 ldis :=  TJDiscovery.JavaClass.init; //<----- Error here



end;

Can someone help with why; Method not found? (is there something wrong with how delphi/android handles API's, Method not found issue is all over, but no solutions )

Using Tokyo 10.2

android delphi sdk

share|improve this question

asked 44 mins ago

Happy

1

add a comment | 

up vote
0
down vote

favorite

up vote
0
down vote

favorite

I am getting the following error EJNIFatal Exception : Method not found when implementing EPSON Printer SDK for TM M30 (Bluetooth)
com.epson.epos2.discovery.Discovery

Interface

unit com.epson.epos2.discovery.Discovery;



interface



uses

  AndroidAPI.JNIBridge,

  Androidapi.JNI.JavaTypes,

  com.epson.epos2.discovery.DiscoveryListener,

  com.epson.epos2.discovery.FilterOption,

  Androidapi.JNI.GraphicsContentViewText,

  com.epson.epos2.discovery.DeviceInfo;



type

  JDiscovery = interface;



  JDiscoveryClass = interface(JObjectClass)

    ['{D8B21BB2-D0C7-4654-AAFB-61B39334F3F1}']

    function GetFILTER_NAME : Integer; cdecl;                                  //  A: $19

    function GetFILTER_NONE : Integer; cdecl;                                  //  A: $19

    function GetMODEL_ALL : Integer; cdecl;                                    //  A: $19

    function GetPORTTYPE_ALL : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_BLUETOOTH : Integer; cdecl;                           //  A: $19

    function GetPORTTYPE_TCP : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_USB : Integer; cdecl;                                 //  A: $19

    function GetTYPE_ALL : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CAT : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CCHANGER : Integer; cdecl;                                //  A: $19

    function GetTYPE_DISPLAY : Integer; cdecl;                                 //  A: $19

    function GetTYPE_HYBRID_PRINTER : Integer; cdecl;                          //  A: $19

    function GetTYPE_KEYBOARD : Integer; cdecl;                                //  A: $19

    function GetTYPE_MSR : Integer; cdecl;                                     //  A: $19

    function GetTYPE_OTHER_PERIPHERAL : Integer; cdecl;                        //  A: $19

    function GetTYPE_POS_KEYBOARD : Integer; cdecl;                            //  A: $19

    function GetTYPE_PRINTER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SCANNER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SERIAL : Integer; cdecl;                                  //  A: $19

    function init : JDiscovery; cdecl;                                          // ()V A: $1

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;                                                     // ()V A: $29

    property FILTER_NAME : Integer read GetFILTER_NAME;                        // I A: $19

    property FILTER_NONE : Integer read GetFILTER_NONE;                        // I A: $19

    property MODEL_ALL : Integer read GetMODEL_ALL;                            // I A: $19

    property PORTTYPE_ALL : Integer read GetPORTTYPE_ALL;                      // I A: $19

    property PORTTYPE_BLUETOOTH : Integer read GetPORTTYPE_BLUETOOTH;          // I A: $19

    property PORTTYPE_TCP : Integer read GetPORTTYPE_TCP;                      // I A: $19

    property PORTTYPE_USB : Integer read GetPORTTYPE_USB;                      // I A: $19

    property TYPE_ALL : Integer read GetTYPE_ALL;                              // I A: $19

    property TYPE_CAT : Integer read GetTYPE_CAT;                              // I A: $19

    property TYPE_CCHANGER : Integer read GetTYPE_CCHANGER;                    // I A: $19

    property TYPE_DISPLAY : Integer read GetTYPE_DISPLAY;                      // I A: $19

    property TYPE_HYBRID_PRINTER : Integer read GetTYPE_HYBRID_PRINTER;        // I A: $19

    property TYPE_KEYBOARD : Integer read GetTYPE_KEYBOARD;                    // I A: $19

    property TYPE_MSR : Integer read GetTYPE_MSR;                              // I A: $19

    property TYPE_OTHER_PERIPHERAL : Integer read GetTYPE_OTHER_PERIPHERAL;    // I A: $19

    property TYPE_POS_KEYBOARD : Integer read GetTYPE_POS_KEYBOARD;            // I A: $19

    property TYPE_PRINTER : Integer read GetTYPE_PRINTER;                      // I A: $19

    property TYPE_SCANNER : Integer read GetTYPE_SCANNER;                      // I A: $19

    property TYPE_SERIAL : Integer read GetTYPE_SERIAL;                        // I A: $19

  end;



  [JavaSignature('com/epson/epos2/discovery/Discovery')]

  JDiscovery = interface(JObject)

    ['{1CA6140A-C36C-454F-81D9-81DD7B66281B}']

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;

  end;



  TJDiscovery = class(TJavaGenericImport<JDiscoveryClass, JDiscovery>)

  end;

My Code looks like this

procedure TForm1.Button1Click(Sender: TObject);

var

 ldiscover : TJDiscovery;

 ldis      : JDiscovery;

begin

 ldis :=  TJDiscovery.JavaClass.init; //<----- Error here



end;

Can someone help with why; Method not found? (is there something wrong with how delphi/android handles API's, Method not found issue is all over, but no solutions )

Using Tokyo 10.2

android delphi sdk

share|improve this question

asked 44 mins ago

Happy

1

I am getting the following error EJNIFatal Exception : Method not found when implementing EPSON Printer SDK for TM M30 (Bluetooth)
com.epson.epos2.discovery.Discovery

Interface

unit com.epson.epos2.discovery.Discovery;



interface



uses

  AndroidAPI.JNIBridge,

  Androidapi.JNI.JavaTypes,

  com.epson.epos2.discovery.DiscoveryListener,

  com.epson.epos2.discovery.FilterOption,

  Androidapi.JNI.GraphicsContentViewText,

  com.epson.epos2.discovery.DeviceInfo;



type

  JDiscovery = interface;



  JDiscoveryClass = interface(JObjectClass)

    ['{D8B21BB2-D0C7-4654-AAFB-61B39334F3F1}']

    function GetFILTER_NAME : Integer; cdecl;                                  //  A: $19

    function GetFILTER_NONE : Integer; cdecl;                                  //  A: $19

    function GetMODEL_ALL : Integer; cdecl;                                    //  A: $19

    function GetPORTTYPE_ALL : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_BLUETOOTH : Integer; cdecl;                           //  A: $19

    function GetPORTTYPE_TCP : Integer; cdecl;                                 //  A: $19

    function GetPORTTYPE_USB : Integer; cdecl;                                 //  A: $19

    function GetTYPE_ALL : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CAT : Integer; cdecl;                                     //  A: $19

    function GetTYPE_CCHANGER : Integer; cdecl;                                //  A: $19

    function GetTYPE_DISPLAY : Integer; cdecl;                                 //  A: $19

    function GetTYPE_HYBRID_PRINTER : Integer; cdecl;                          //  A: $19

    function GetTYPE_KEYBOARD : Integer; cdecl;                                //  A: $19

    function GetTYPE_MSR : Integer; cdecl;                                     //  A: $19

    function GetTYPE_OTHER_PERIPHERAL : Integer; cdecl;                        //  A: $19

    function GetTYPE_POS_KEYBOARD : Integer; cdecl;                            //  A: $19

    function GetTYPE_PRINTER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SCANNER : Integer; cdecl;                                 //  A: $19

    function GetTYPE_SERIAL : Integer; cdecl;                                  //  A: $19

    function init : JDiscovery; cdecl;                                          // ()V A: $1

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;                                                     // ()V A: $29

    property FILTER_NAME : Integer read GetFILTER_NAME;                        // I A: $19

    property FILTER_NONE : Integer read GetFILTER_NONE;                        // I A: $19

    property MODEL_ALL : Integer read GetMODEL_ALL;                            // I A: $19

    property PORTTYPE_ALL : Integer read GetPORTTYPE_ALL;                      // I A: $19

    property PORTTYPE_BLUETOOTH : Integer read GetPORTTYPE_BLUETOOTH;          // I A: $19

    property PORTTYPE_TCP : Integer read GetPORTTYPE_TCP;                      // I A: $19

    property PORTTYPE_USB : Integer read GetPORTTYPE_USB;                      // I A: $19

    property TYPE_ALL : Integer read GetTYPE_ALL;                              // I A: $19

    property TYPE_CAT : Integer read GetTYPE_CAT;                              // I A: $19

    property TYPE_CCHANGER : Integer read GetTYPE_CCHANGER;                    // I A: $19

    property TYPE_DISPLAY : Integer read GetTYPE_DISPLAY;                      // I A: $19

    property TYPE_HYBRID_PRINTER : Integer read GetTYPE_HYBRID_PRINTER;        // I A: $19

    property TYPE_KEYBOARD : Integer read GetTYPE_KEYBOARD;                    // I A: $19

    property TYPE_MSR : Integer read GetTYPE_MSR;                              // I A: $19

    property TYPE_OTHER_PERIPHERAL : Integer read GetTYPE_OTHER_PERIPHERAL;    // I A: $19

    property TYPE_POS_KEYBOARD : Integer read GetTYPE_POS_KEYBOARD;            // I A: $19

    property TYPE_PRINTER : Integer read GetTYPE_PRINTER;                      // I A: $19

    property TYPE_SCANNER : Integer read GetTYPE_SCANNER;                      // I A: $19

    property TYPE_SERIAL : Integer read GetTYPE_SERIAL;                        // I A: $19

  end;



  [JavaSignature('com/epson/epos2/discovery/Discovery')]

  JDiscovery = interface(JObject)

    ['{1CA6140A-C36C-454F-81D9-81DD7B66281B}']

    procedure start(context : JContext; filterOption : JFilterOption; listener : JDiscoveryListener) ; cdecl;// (Landroid/content/Context;Lcom/epson/epos2/discovery/FilterOption;Lcom/epson/epos2/discovery/DiscoveryListener;)V A: $29

    procedure stop ; cdecl;

  end;



  TJDiscovery = class(TJavaGenericImport<JDiscoveryClass, JDiscovery>)

  end;

My Code looks like this

procedure TForm1.Button1Click(Sender: TObject);

var

 ldiscover : TJDiscovery;

 ldis      : JDiscovery;

begin

 ldis :=  TJDiscovery.JavaClass.init; //<----- Error here



end;

Can someone help with why; Method not found? (is there something wrong with how delphi/android handles API's, Method not found issue is all over, but no solutions )

Using Tokyo 10.2

android delphi sdk

android delphi sdk

share|improve this question

asked 44 mins ago

Happy

1

share|improve this question

asked 44 mins ago

Happy

1

share|improve this question

share|improve this question

asked 44 mins ago

Happy

1

asked 44 mins ago

Happy

1

asked 44 mins ago

Happy

1

1

add a comment | 

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