5.0设备上无法运行demo

demo在4.4的手机上能运行.但是在两部5.0的手机上,都出现了同样错误:
java.lang.IllegalArgumentException: Expected receiver of type com.raymond.demo.andfixdemo.MainActivity_CF, but got com.raymond.demo.andfixdemo.MainActivity

0 = {StackTraceElement@3662} "java.lang.reflect.Method.invoke(Native Method)"
1 = {StackTraceElement@3663} "java.lang.reflect.Method.invoke(Method.java:372)"
2 = {StackTraceElement@3664} "android.view.View$1.onClick(View.java:4007)"
3 = {StackTraceElement@3665} "android.view.View.performClick(View.java:4761)"
4 = {StackTraceElement@3666} "android.view.View$PerformClick.run(View.java:19767)"
5 = {StackTraceElement@3667} "android.os.Handler.handleCallback(Handler.java:739)"
6 = {StackTraceElement@3668} "android.os.Handler.dispatchMessage(Handler.java:95)"
7 = {StackTraceElement@3669} "android.os.Looper.loop(Looper.java:135)"
8 = {StackTraceElement@3670} "android.app.ActivityThread.main(ActivityThread.java:5310)"
9 = {StackTraceElement@3671} "java.lang.reflect.Method.invoke(Native Method)"
10 = {StackTraceElement@3672} "java.lang.reflect.Method.invoke(Method.java:372)"
11 = {StackTraceElement@3673} "com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)"
12 = {StackTraceElement@3674} "com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)"

Start by reproducing the demo on an Android 5.0 device and tracing the click path shown in the stack trace, focusing on MainActivity and MainActivity_CF. Compare the behavior with Android 4.4 and determine what must change so the demo runs without the receiver-type exception on both versions.

Written by the indexing model from the issue text.