求教：安卓开发遇到下面报错java.lang.IllegalStateException: Could not execute method of th

[qq_41662485]

java.lang.IllegalStateException: Could not execute method of the activity
at android.view.View$1.onClick(View.java:4074)
at android.view.View.performClick(View.java:4848)
at android.view.View$PerformClick.run(View.java:20262)
at android.os.Handler.handleCallback(Handler.java:815)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5637)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at android.view.View$1.onClick(View.java:4069)
... 10 more
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int com.zlct.wpn.model.Order.getID()' on a null object reference
at com.zlct.wpn.view.ZjView.doSave(ZjView.java:131)
at com.zlct.wpn.view.ZjView.onClick(ZjView.java:93)
... 13 more
java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at android.view.View$1.onClick(View.java:4069)
at android.view.View.performClick(View.java:4848)
at android.view.View$PerformClick.run(View.java:20262)
at android.os.Handler.handleCallback(Handler.java:815)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5637)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int com.zlct.wpn.model.Order.getID()' on a null object reference
at com.zlct.wpn.view.ZjView.doSave(ZjView.java:131)
at com.zlct.wpn.view.ZjView.onClick(ZjView.java:93)
... 13 more
java.lang.NullPointerException: Attempt to invoke virtual method 'int com.zlct.wpn.model.Order.getID()' on a null object reference
at com.zlct.wpn.view.ZjView.doSave(ZjView.java:131)
at com.zlct.wpn.view.ZjView.onClick(ZjView.java:93)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at android.view.View$1.onClick(View.java:4069)
at android.view.View.performClick(View.java:4848)
at android.view.View$PerformClick.run(View.java:20262)
at android.os.Handler.handleCallback(Handler.java:815)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5637)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)

[qq_41662485]

是否是activity没有引用

[jklwan]

空指针错误，检查com.zlct.wpn.view.ZjView.doSave这个方法，在ZjView.java的131行