NFC technology: Transferring text using Android Beam technology (i)

1 //achieve two Android phone text transfer2 //4.0 or more3 //method: Two Android phone to back, a mobile phone input text, click on the screen to send, another receive display4 5  Public classMainactivityextendsActivityImplements6 Createndefmessagecallback, Onndefpushcompletecallback {7 8     PrivateNfcadapter Mnfcadapter;9     PrivateEditText Mbeamtext;Ten     Privatependingintent mpendingintent; One  A @Override -     protected voidonCreate (Bundle savedinstancestate) { -         Super. OnCreate (savedinstancestate); the Setcontentview (r.layout.fragment_main); -Mbeamtext =(EditText) Findviewbyid (R.ID.EDITTEXT1); -Mnfcadapter = Mnfcadapter.getdefaultadapter ( This); -Mpendingintent = Pendingintent.getactivity ( This, 0,NewIntent ( This, +GetClass ()), 0); -  +         //specifies the callback to transfer text AMnfcadapter.setndefpushmessagecallback ( This, This); at         //Transfer Completion Call -Mnfcadapter.setonndefpushcompletecallback ( This, This); -     } -  - @Override -     protected voidOnresume () { in         //TODO auto-generated Method Stub -         Super. Onresume (); to         if(Mnfcadapter! =NULL) { +Mnfcadapter.enableforegrounddispatch ( This, Mpendingintent,NULL, -                     NULL); the         } *     } $ Panax Notoginseng @Override -     protected voidOnPause () { the         //TODO auto-generated Method Stub +         Super. OnPause (); A         if(Mnfcadapter! =NULL) { theMnfcadapter.disableforegrounddispatch ( This); +         } -     } $  $     //display the received data -     voidprocessintent (Intent Intent) { -  theparcelable[] Rawmsgs =Intent - . Getparcelablearrayextra (nfcadapter.extra_ndef_messages);WuyiNdefmessage message = (ndefmessage) rawmsgs[0]; theString Text = Textrecord.parse (message.getrecords () [0]). GetText (); -Toast.maketext ( This, text, 0). Show (); Wu     } -  About @Override $     protected voidonnewintent (Intent Intent) { -         //TODO auto-generated Method Stub -         //super.onnewintent (intent); - processintent (intent); A     } +  the @Override -      Public voidOnndefpushcomplete (Nfcevent event) { $         //TODO auto-generated Method Stub theLOG.I ("----->>", "Done"); the     } the  the @Override -      Publicndefmessage Createndefmessage (nfcevent event) { in         //TODO auto-generated Method Stub the  theString Text =Mbeamtext.gettext (). toString (). Trim (); About         if("". Equals (text)) { theText = "Default Text"; the             //when the phone is near another phone, make it automatically turn on the calculator the             //ndefmessage ndefmessage = new Ndefmessage ( +             //New ndefrecord[] {Ndefrecord -             //. Createapplicationrecord ("Com.android.calculator2")}); the             //Bayi  theNdefmessage Ndefmessage =NewNdefmessage ( the                     Newndefrecord[] {creattextrecord (text)}); -             returnNdefmessage; -         } the  the         return NULL; the     } the  -      PublicNdefrecord Creattextrecord (String text) { the  the         byte[] Langbytes =Locale.CHINA.getLanguage (). GetBytes ( theCharset.forname ("Us-ascii"));94Charset utfencoding = Charset.forname ("UTF-8"); the         byte[] Textbytes =text.getbytes (utfencoding); the         intUtfbit = 0; the         CharStatus = (Char) (Utfbit +langbytes.length);98         byte[] data =New byte[1 + langbytes.length +Textbytes.length]; AboutData[0] = (byte) status; -System.arraycopy (langbytes, 0, data, 1, langbytes.length);101System.arraycopy (textbytes, 0, data, 1 +Langbytes.length,102 textbytes.length);103 104Ndefrecord Ndefrecord =NewNdefrecord (Ndefrecord.tnf_well_known, theNdefrecord.rtd_text,New byte[0], data);106         returnNdefrecord;107 108     }109  the}

NFC technology: Transferring text using Android Beam technology (i)