08-24 09:36:48.140 17872-17872/com.example.user.mytestapplication E/AndroidRuntime: FATAL EXCEPTION: main
                                                                                    Process: com.example.user.mytestapplication, PID: 17872
                                                                                    java.lang.IndexOutOfBoundsException: Invalid index 3, size is 3
                                                                                        at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
                                                                                        at java.util.ArrayList.get(ArrayList.java:308)
                                                                                        at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:848)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
                                                                                        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
                                                                                        at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)
                                                                                        at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
                                                                                        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
                                                                                        at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)
                                                                                        at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
                                                                                        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
                                                                                        at android.view.View.layout(View.java:14824)
                                                                                        at android.view.ViewGroup.layout(ViewGroup.java:4631)
                                                                                        at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1983)
                                                                                        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1740)
                                                                                        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:996)
                                                                                        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5600)
                                                                                        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
                                                                                        at android.view.Choreographer.doCallbacks(Choreographer.java:574)
                                                                                        at android.view.Choreographer.doFrame(Choreographer.java:544)
                                                                                        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
                                                                                        at android.os.Handler.handleCallback(Handler.java:733)
                                                                                        at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                                        at android.os.Looper.loop(Looper.java:136)
                                                                                        at android.app.ActivityThread.main(ActivityThread.java:5001)
                                                                                        at java.lang.reflect.Method.invokeNative(Native Method)
                                                                                        at java.lang.reflect.Method.invoke(Method.java:515)
                                                                                        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
                                                                                        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
                                                                                        at dalvik.system.NativeStart.main(Native Method)