Crash on Samsung device

[maheshgavale]

Start camera and Crop option.

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.linchaolong.android.imagepicker.ImagePicker$Callback.cropConfig(com.linchaolong.android.imagepicker.cropper.CropImage$ActivityBuilder)' on a null object reference
at com.linchaolong.android.imagepicker.ImagePicker.handlePickImageInner(ImagePicker.java:362)
at com.linchaolong.android.imagepicker.ImagePicker.handlePickImage(ImagePicker.java:336)
at com.linchaolong.android.imagepicker.ImagePicker.onActivityResultInner(ImagePicker.java:225)
at com.linchaolong.android.imagepicker.ImagePicker.onActivityResult(ImagePicker.java:188)
at com.app.cameracolordetector.PaletteActivity.onActivityResult(PaletteActivity.java:218)
at android.app.Activity.dispatchActivityResult(Activity.java:8292)
at android.app.ActivityThread.deliverResults(ActivityThread.java:5090)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:5138) 
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51) 
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2147) 
at android.os.Handler.dispatchMessage(Handler.java:107) 
at android.os.Looper.loop(Looper.java:237) 
at android.app.ActivityThread.main(ActivityThread.java:7807) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1047)