當在Android上使用Facebook模塊時發生java.lang.NullPointerException

Question

使用帶有Trigger.io（平臺v2.2.14）的最新Facebook（v2.12）模塊，試圖「使用Facebook登錄」會導致應用程序崩潰並顯示以下日誌中：

07-20 12:10:46.834: E/AndroidRuntime(7013): FATAL EXCEPTION: main 
07-20 12:10:46.834: E/AndroidRuntime(7013): Process: com.myapp, PID: 7013 
07-20 12:10:46.834: E/AndroidRuntime(7013): java.lang.RuntimeException: Unable to resume activity {com.myapp/com.facebook.LoginActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setVisibility(int)' on a null object reference 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2986) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3017) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2392) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.access$800(ActivityThread.java:151) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.os.Handler.dispatchMessage(Handler.java:102) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.os.Looper.loop(Looper.java:135) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.main(ActivityThread.java:5254) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at java.lang.reflect.Method.invoke(Native Method) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at java.lang.reflect.Method.invoke(Method.java:372) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
07-20 12:10:46.834: E/AndroidRuntime(7013): Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setVisibility(int)' on a null object reference 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.LoginActivity$2.onBackgroundProcessingStarted(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.notifyBackgroundProcessingStart(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.access$2(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient$GetTokenAuthHandler.tryAuthorize(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.tryCurrentHandler(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.tryNextHandler(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.authorize(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.AuthorizationClient.startOrContinueAuth(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at com.facebook.LoginActivity.onResume(Unknown Source) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1257) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.Activity.performResume(Activity.java:6076) 
07-20 12:10:46.834: E/AndroidRuntime(7013):  at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2975) 

我有雙重檢查應用程序ID，密鑰哈希，並在Facebook上的相關設置，但這個錯誤持續出現。有沒有人遇到同樣的問題，你是如何解決它的？

Answer 1

Trigger.io Facebook Module v2.13解決了Android上的登錄問題。