我完全按讲的来写的，就是有问题，个位看得到我的网友做出来的发我一份

Process: com.example.administrator.mooccamera, PID: 19857
    java.lang.IllegalStateException: Could not execute method for android:onClick

Caused by: java.lang.reflect.InvocationTargetException

Caused by: java.lang.RuntimeException: autoFocus failed

这是我的三个异常