NullPointerException错误，代码行数：CommonTabLayout.calcIndicatorRect (CommonTabLayout.java:355)

[lizhikai38]

Exception java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getLeft()' on a null object reference
at com.flyco.tablayout.CommonTabLayout.calcIndicatorRect (CommonTabLayout.java:355)
at com.flyco.tablayout.CommonTabLayout.onDraw (CommonTabLayout.java:425)
at android.view.View.draw (View.java:24209)
at android.view.View.updateDisplayListIfDirty (View.java:23027)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.draw (View.java:24212)
at android.view.View.updateDisplayListIfDirty (View.java:23027)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.updateDisplayListIfDirty (View.java:23018)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.updateDisplayListIfDirty (View.java:23018)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.updateDisplayListIfDirty (View.java:23018)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.updateDisplayListIfDirty (View.java:23018)
at android.view.View.draw (View.java:23917)
at android.view.ViewGroup.drawChild (ViewGroup.java:4648)
at android.view.ViewGroup.dispatchDraw (ViewGroup.java:4401)
at android.view.View.draw (View.java:24212)
at com.android.internal.policy.DecorView.draw (DecorView.java:893)
at android.view.View.updateDisplayListIfDirty (View.java:23027)
at android.view.ThreadedRenderer.updateViewTreeDisplayList (ThreadedRenderer.java:713)
at android.view.ThreadedRenderer.updateRootDisplayList (ThreadedRenderer.java:719)
at android.view.ThreadedRenderer.draw (ThreadedRenderer.java:821)
at android.view.ViewRootImpl.draw (ViewRootImpl.java:5535)
at android.view.ViewRootImpl.performDraw (ViewRootImpl.java:5197)
at android.view.ViewRootImpl.performTraversals (ViewRootImpl.java:4240)
at android.view.ViewRootImpl.doTraversal (ViewRootImpl.java:2741)
at android.view.ViewRootImpl$TraversalRunnable.run (ViewRootImpl.java:10184)
at android.view.Choreographer$CallbackRecord.run (Choreographer.java:1552)
at android.view.Choreographer$CallbackRecord.run (Choreographer.java:1561)
at android.view.Choreographer.doCallbacks (Choreographer.java:1117)
at android.view.Choreographer.doFrame (Choreographer.java:1002)
at android.view.Choreographer$FrameDisplayEventReceiver.run (Choreographer.java:1535)
at android.os.Handler.handleCallback (Handler.java:958)
at android.os.Handler.dispatchMessage (Handler.java:99)
at android.os.Looper.loopOnce (Looper.java:257)
at android.os.Looper.loop (Looper.java:368)
at android.app.ActivityThread.main (ActivityThread.java:8826)
at java.lang.reflect.Method.invoke
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:572)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1049)