OnNext() method crash the app. #41

If progress finish and to start new story app careshes says
java.lang.IndexOutOfBoundsException: Index: 3, Size: 3
at java.util.ArrayList.get(ArrayList.java:437)
at com.padosi.activity.StoryViewActivity.loadImage(StoryViewActivity.java:141)
at com.padosi.activity.StoryViewActivity.access$200(StoryViewActivity.java:29)
at com.padosi.activity.StoryViewActivity$1.onNext(StoryViewActivity.java:44)
at jp.shts.android.storiesprogressview.StoriesProgressView$1.onFinishProgress(StoriesProgressView.java:190)
at jp.shts.android.storiesprogressview.PausableProgressBar$1.onAnimationEnd(PausableProgressBar.java:117)
at android.view.animation.Animation.dispatchAnimationEnd(Animation.java:1011)
at android.view.animation.Animation$3.run(Animation.java:390)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:224)
at android.app.ActivityThread.main(ActivityThread.java:7519)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)