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stepstone-tech / android-material-stepper

This library allows to use Material steppers inside Android applications.
Apache License 2.0
1.78k stars 262 forks source link

Please find a solution to this problem #291

Open saeedalaloul opened 4 years ago

saeedalaloul commented 4 years ago

idRuntime: Shutting down VM E/AndroidRuntime: FATAL EXCEPTION: main Process: com.alansar.center, PID: 4513 java.lang.NullPointerException: Attempt to invoke interface method 'com.stepstone.stepper.Step com.stepstone.stepper.adapter.StepAdapter.findStep(int)' on a null object reference at com.stepstone.stepper.StepperLayout.findCurrentStep(StepperLayout.java:937) at com.stepstone.stepper.StepperLayout.onNext(StepperLayout.java:946) at com.stepstone.stepper.StepperLayout.access$700(StepperLayout.java:70) at com.stepstone.stepper.StepperLayout$OnNextClickListener.onClick(StepperLayout.java:185) at android.view.View.performClick(View.java:4780)