android - Send SMS from CDMA(htc evo) throws NullPointer Exception -

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i doing 1 app in have send sms cdma phones throws null pointer exception. using

smsmanager.senddatamessage(phonenumber, null, (short)1001, msgstr.getbytes(), sentpi, deliveredpi);

it throws error below:-

07-21 14:53:26.875: error/androidruntime(8645): fatal exception: main 07-21 14:53:26.875: error/androidruntime(8645): java.lang.nullpointerexception 07-21 14:53:26.875: error/androidruntime(8645):     @ android.os.parcel.readexception(parcel.java:1253) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.os.parcel.readexception(parcel.java:1235) 07-21 14:53:26.875: error/androidruntime(8645):     @ com.android.internal.telephony.isms$stub$proxy.senddata(isms.java:558) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.telephony.smsmanager.senddatamessage(smsmanager.java:524) 07-21 14:53:26.875: error/androidruntime(8645):     @ prototype.smsonport.smsonportactivity.sendsms(smsonportactivity.java:139) 07-21 14:53:26.875: error/androidruntime(8645):     @ prototype.smsonport.smsonportactivity.onclick(smsonportactivity.java:38) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.view.view.performclick(view.java:2408) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.view.view$performclick.run(view.java:8817) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.os.handler.handlecallback(handler.java:587) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.os.handler.dispatchmessage(handler.java:92) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.os.looper.loop(looper.java:144) 07-21 14:53:26.875: error/androidruntime(8645):     @ android.app.activitythread.main(activitythread.java:4937) 07-21 14:53:26.875: error/androidruntime(8645):     @ java.lang.reflect.method.invokenative(native method) 07-21 14:53:26.875: error/androidruntime(8645):     @ java.lang.reflect.method.invoke(method.java:521) 07-21 14:53:26.875: error/androidruntime(8645):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:868) 07-21 14:53:26.875: error/androidruntime(8645):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:626) 07-21 14:53:26.875: error/androidruntime(8645):     @ dalvik.system.nativestart.main(native method)

here function

        string sent = "sms_sent";     string delivered = "sms_delivered";      pendingintent sendpi = pendingintent.getbroadcast(getapplicationcontext(), 0, new intent(sent),             0);      pendingintent deliveredpi = pendingintent.getbroadcast(getapplicationcontext(), 0, new intent(             delivered), 0);      smsmanager sms = smsmanager.getdefault();      short s = short.parseshort(portstr);     short port = s;      log.d("data", "sending sms :: "+phonenumber);     log.d("data", "sending sms message :: "+msgstr);     log.d("data", "sending sms on port :: "+port);      sms.senddatamessage(phonenumber, null, port, msgstr.getbytes(), sendpi, deliveredpi);

all phonenumber, msgstr, port comes edittext fields of xml layout file. missing on here? appreciated.

send.setonclicklistener(new onclicklistener() {          public void onclick(view v) {             // todo auto-generated method stub             string phoneno = "phone number";             string message = "content of msg";             if (phoneno.length() > 0 && message.length() > 0) {                 telephonymanager telmgr = (telephonymanager) getsystemservice(context.telephony_service);                 int simstate = telmgr.getsimstate();                 switch (simstate) {                 case telephonymanager.sim_state_absent:                     displayalert();                     break;                 case telephonymanager.sim_state_network_locked:                     //                     break;                 case telephonymanager.sim_state_pin_required:                     //                     break;                 case telephonymanager.sim_state_puk_required:                     //                     break;                 case telephonymanager.sim_state_ready:                     //                     sendsms(phoneno, message);                     break;                 case telephonymanager.sim_state_unknown:                     //                     break;                 }              } else {                 toast.maketext(getbasecontext(),                         "please enter both phone number , message.",                         toast.length_short).show();             }          }    private void sendsms(string phonenumber, string message) {     string sent = "sms_sent";     string delivered = "sms_delivered";      pendingintent sentpi = pendingintent.getbroadcast(youractivity.this, 0,             new intent(sent), 0);      pendingintent deliveredpi = pendingintent.getbroadcast(youractivity.this,             0, new intent(delivered), 0);      // ---when sms has been sent---      registerreceiver(new broadcastreceiver() {          @override         public void onreceive(context arg0, intent arg1) {             switch (getresultcode()) {             case activity.result_ok:                 toast.maketext(youractivity.this, "sms sent",                         toast.length_short).show();                 break;             case smsmanager.result_error_generic_failure:                 toast.maketext(youractivity.this, "generic failure",                         toast.length_short).show();                 break;             case smsmanager.result_error_no_service:                 toast.maketext(youractivity.this, "no service",                         toast.length_short).show();                 break;             case smsmanager.result_error_null_pdu:                 toast.maketext(youractivity.this, "null pdu",                         toast.length_short).show();                 break;             case smsmanager.result_error_radio_off:                 toast.maketext(getbasecontext(), "radio off",                         toast.length_short).show();                 break;              }         }     }, new intentfilter(sent));      // ---when sms has been delivered---     registerreceiver(new broadcastreceiver() {         @override         public void onreceive(context arg0, intent arg1) {             switch (getresultcode()) {             case activity.result_ok:                 toast.maketext(youractivity.this, "sms delivered",                         toast.length_short).show();                 break;             case activity.result_canceled:                 toast.maketext(youractivity.this, "sms not delivered",                         toast.length_short).show();                 break;             }         }     }, new intentfilter(delivered));      smsmanager sms = smsmanager.getdefault();     sms.sendtextmessage(phonenumber, null, message, sentpi, deliveredpi);     intent smsintent = new intent(youractivity.this, secondactivity.activity);     startactivity(smsintent); }

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