java - How do I solve IabHelper Error -


i have error on 264 , 163 of 2 file in editor it's fine

line 264 :

if (!mcontext.getpackagemanager().queryintentservices(serviceintent, 0).isempty()) {

line 163 :

mhelper.startsetup(new iabhelper.oniabsetupfinishedlistener() {

i can't find why activity unable start logcat:

    1266-1266/com.exercise.androidhtml e/androidruntime﹕ fatal exception: main java.lang.runtimeexception: unable start activity componentinfo{com.exercise.androidhtml/com.company.clipboard.androidhtmlactivity}: java.lang.nullpointerexception @ android.app.activitythread.performlaunchactivity(activitythread.java:2059) @ android.app.activitythread.handlelaunchactivity(activitythread.java:2084) @ android.app.activitythread.access$600(activitythread.java:130) @ android.app.activitythread$h.handlemessage(activitythread.java:1195) @ android.os.handler.dispatchmessage(handler.java:99) @ android.os.looper.loop(looper.java:137) @ android.app.activitythread.main(activitythread.java:4745) @ java.lang.reflect.method.invokenative(native method) @ java.lang.reflect.method.invoke(method.java:511) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:786) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:553) @ dalvik.system.nativestart.main(native method) caused by: java.lang.nullpointerexception @ com.company.clipboard.util.iabhelper.startsetup(iabhelper.java:264) @ com.company.clipboard.androidhtmlactivity.oncreate(androidhtmlactivity.java:163) @ android.app.activity.performcreate(activity.java:5008) @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1079) @ android.app.activitythread.performlaunchactivity(activitythread.java:2023) @ android.app.activitythread.handlelaunchactivity(activitythread.java:2084) @ android.app.activitythread.access$600(activitythread.java:130) @ android.app.activitythread$h.handlemessage(activitythread.java:1195) @ android.os.handler.dispatchmessage(handler.java:99) @ android.os.looper.loop(looper.java:137) @ android.app.activitythread.main(activitythread.java:4745) @ java.lang.reflect.method.invokenative(native method) @ java.lang.reflect.method.invoke(method.java:511) @ android.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:786) @ android.android.internal.os.zygoteinit.main(zygoteinit.java:553) @ dalvik.system.nativestart.main(native method)

this whole block of payment contain line 163:

//=====================================================     string base64encodedpublickey = "mihnma0gcsqgsib3dqebaquaa4g7adcbtwkbrwdtuwvdlt6clzldcqgzxcyyweebp8vf/6qm7qckuqpdxg6hb71hvu8lmceo0vcys2xpzxt03iw7lhkxrtdsxi5h9whlesfy9squc0ugpd+n5ne+i6zcib/rb2wscvzfa3jciyrbmsvez+dwaqshfq6cnuawl0fbz4nfjntzhkyhanm6ptjquo9jsj+pa9pv38c3o5y3alcvpmcaweaaq==";      mhelper = new iabhelper(this, base64encodedpublickey);     mgotinventorylistener = new iabhelper.queryinventoryfinishedlistener() {         public void onqueryinventoryfinished(iabresult result, inventory inventory) {             log.d(tag, "query inventory finished.");             if (result.isfailure()) {                 log.d(tag, "failed query inventory: " + result);                 return;             }             else {                 log.d(tag, "query inventory successful.");                 // user have premium upgrade?                 mispremium = inventory.haspurchase(sku_premium);                 if (mispremium){                     masrafseke(inventory.getpurchase(sku_premium));                 }                 // update ui accordingly                  log.d(tag, "user " + (mispremium ? "premium" : "not premium"));             }              log.d(tag, "initial inventory query finished; enabling main ui.");         }     };      mpurchasefinishedlistener = new iabhelper.oniabpurchasefinishedlistener() {         public void oniabpurchasefinished(iabresult result, purchase purchase) {             if (result.isfailure()) {                 log.d(tag, "error purchasing: " + result);                 return;             }             else if (purchase.getsku().equals(sku_premium)) {                 // give user access premium content , update ui                 toast.maketext(androidhtmlactivity.this,"خرید موفق",toast.length_short).show();                 masrafseke(purchase);              }         }     };       log.d(tag, "starting setup.");     mhelper.startsetup(new iabhelper.oniabsetupfinishedlistener() {         public void oniabsetupfinished(iabresult result) {             log.d(tag, "setup finished.");              if (!result.issuccess()) {                 // oh noes, there problem.                 log.d(tag, "problem setting in-app billing: " + result);             }             // hooray, iab set up!             mhelper.queryinventoryasync(mgotinventorylistener);         }     });

seems issue of iabhelper. method queryintentservices returns null, instead empty list.

try update code this:

intent serviceintent = new intent("com.android.vending.billing.inappbillingservice.bind"); if (!mcontext.getpackagemanager().queryintentservices(serviceintent, 0).isempty()) {     // service available handle intent     mcontext.bindservice(serviceintent, mserviceconn, context.bind_auto_create); } else {     // no service available handle intent     if (listener != null) {         listener.oniabsetupfinished(                 new iabresult(billing_response_result_billing_unavailable,                 "billing service unavailable on device."));      } }

to this:

intent serviceintent = new intent("com.android.vending.billing.inappbillingservice.bind"); list<resolveinfo> intentservices = mcontext.getpackagemanager().queryintentservices(serviceintent, 0);  if (intentservices != null && intentservices.isempty() == false) {     // service available handle intent     mcontext.bindservice(serviceintent, mserviceconn, context.bind_auto_create); } else {     // no service available handle intent     if (listener != null) {         listener.oniabsetupfinished(                 new iabresult(billing_response_result_billing_unavailable,                 "billing service unavailable on device."));      } }

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