salut tout le monde.je développe une application android mais je rencontre un grand problème sur l'envoi des images vers le serveur mysql via php
voici mes erreurs



03-18 22:59:44.777: W/dalvikvm(8781): Unable to resolve superclass of Lcom/example/app/AndroidMultiPartEntity; (132)
03-18 22:59:44.777: W/dalvikvm(8781): Link of class 'Lcom/example/app/AndroidMultiPartEntity;' failed
03-18 22:59:44.777: E/dalvikvm(8781): Could not find class 'com.example.app.AndroidMultiPartEntity', referenced from method com.example.app.UploadActivity$UploadFileToServer.uploadFile
03-18 22:59:44.777: W/dalvikvm(8781): VFY: unable to resolve new-instance 45 (Lcom/example/app/AndroidMultiPartEntity in Lcom/example/app/UploadActivity$UploadFileToServer;
03-18 22:59:44.777: D/dalvikvm(8781): VFY: replacing opcode 0x22 at 0x000d
03-18 22:59:44.777: W/dalvikvm(8781): Unable to resolve superclass of Lcom/example/app/AndroidMultiPartEntity; (132)
03-18 22:59:44.777: W/dalvikvm(8781): Link of class 'Lcom/example/app/AndroidMultiPartEntity;' failed