RuntimeException :在应用程序购买中调用BillingClient函数时
private BillingClient billingClient = BillingClient.newBuilder(activity)
.setListener(purchasesUpdatedListener)
.enablePendingPurchases()
.build();我正在集成google以供购买，但是当我调用这个方法时，我会得到一个错误来代替活动。错误是：
/AndroidRuntime: FATAL EXCEPTION: main
Process: com.xxxxx.xxxxx, PID: 9433
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.xxxxx.xxxx/com.xxxx.coins_history.activity.CoinsHistoryActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Context android.content.Context.getApplicationContext()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2876)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3081)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1831)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:201)
at android.app.ActivityThread.main(ActivityThread.java:6810)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Context android.content.Context.getApplicationContext()' on a null object reference
at android.content.ContextWrapper.getApplicationContext(ContextWrapper.java:126)
at com.android.billingclient.api.BillingClientImpl.initialize(com.android.billingclient:billing@@4.0.0:1)
at com.android.billingclient.api.BillingClientImpl.<init>(com.android.billingclient:billing@@4.0.0:4)
at com.android.billingclient.api.BillingClientImpl.<init>(com.android.billingclient:billing@@4.0.0:9)
at com.android.billingclient.api.BillingClient$Builder.build(com.android.billingclient:billing@@4.0.0:4)
at com.jetmedianetwork.coins_history.activity.CoinsHistoryActivity.<init>(CoinsHistoryActivity.java:133)
at java.lang.Class.newInstance(Native Method)
at android.app.AppComponentFactory.instantiateActivity(AppComponentFactory.java:69)
at androidx.core.app.CoreComponentFactory.instantiateActivity(CoreComponentFactory.java:45)
at android.app.Instrumentation.newActivity(Instrumentation.java:1216)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2864)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3081)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1831)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:201)
at android.app.ActivityThread.main(ActivityThread.java:6810)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873) E/FirebaseCrashlytics:在com.google.firebase.crashlytics.internal.common.Utils.awaitEvenIfOnMainThread(Utils.java:122) at com.google.firebase.crashlytics.internal.common.CrashlyticsController.handleUncaughtException(CrashlyticsController.java:231) at com.google.firebase.crashlytics.internal.common.CrashlyticsController$1.onUncaughtException(CrashlyticsController.java:153) at com.google.firebase.crashlytics.internal.common.CrashlyticsUncaughtExceptionHandler.uncaughtException(CrashlyticsUncaughtExceptionHandler.java:54) at com.facebook.internal.instrument.crashreport.CrashHandler.处理不明异常java.util.concurrent.TimeoutException错误org.chromium.base.JavaExceptionReporter.uncaughtException(chromium-Monochrome.aab-stable-432418123:6)，java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1068)，java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1063)，java.lang.Thread.dispatchUncaughtException(Thread.java:1955)，uncaughtException(CrashHandler.java:65)
回答 1
Stack Overflow用户
发布于 2021-07-29 13:22:08
我认为这里的问题是，您的代码中有一个Null指针，因为计费客户端没有被实例化。尝试按以下方式修改代码
private BillingClient billingClient = BillingClient!!.newBuilder(activity)
.setListener(purchasesUpdatedListener)
.enablePendingPurchases()
.build();https://stackoverflow.com/questions/68572580
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