2019-03-14 17:55:30.897 21311-21311/com.cavidel.tradefi E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.cavidel.tradefi, PID: 21311
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.cavidel.tradefi/com.cavidel.tradefi.ui.login.LoginActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2806)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2884)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1614)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6524)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:888)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference
at android.content.ContextWrapper.getApplicationInfo(ContextWrapper.java:152)
at android.app.FragmentManagerImpl.getTargetSdk(FragmentManager.java:2951)
at android.app.FragmentManagerImpl.attachController(FragmentManager.java:2940)
at android.app.FragmentController.attachHost(FragmentController.java:82)
at android.app.Activity.attach(Activity.java:6965)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2739)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2884)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1614)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6524)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:888)
2019-03-14 17：55：34.485 21311-21376 / com.cavidel.tradefi D / libc-netbsd：getaddrinfo：从代理gai_error = 0获取结果 2019-03-14 17：55：34.491 21311-21376 / com.cavidel.tradefi I / System.out：端口：443 2019-03-14 17：55：34.900 21311-21311 / com.cavidel.tradefi E / CrashlyticsCore：无法执行任务。 java.util.concurrent.TimeoutException 在java.util.concurrent.FutureTask.get（FutureTask.java:206） 在com.crashlytics.android.core.CrashlyticsBackgroundWorker.submitAndWait（CrashlyticsBackgroundWorker.java:41） 在com.crashlytics.android.core.CrashlyticsController.handleUncaughtException（CrashlyticsController.java:321） 在com.crashlytics.android.core.CrashlyticsController $ 6.onUncaughtException（CrashlyticsController.java:301） 在com.crashlytics.android.core.CrashlyticsUncaughtExceptionHandler.uncaughtException（CrashlyticsUncaughtExceptionHandler.java:42） 在java.lang.ThreadGroup.uncaughtException（ThreadGroup.java:1068） 在java.lang.ThreadGroup.uncaughtException（ThreadGroup.java:1063） 在java.lang.Thread.dispatchUncaughtException（Thread.java:1955）