Question

android空指针异常

--------- beginning of crash
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.test, PID: 2527
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.Handler.sendMessage(android.os.Message)' on a null object reference
at com.example.g.xianliao.MainActivity$2.onClick(MainActivity.java:103)
at android.view.View.performClick(View.java:5610)
at android.view.View$PerformClick.run(View.java:22260)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

Answer 1

Attempt to invoke virtual method 'boolean android.os.Handler.sendMessage(android.os.Message)' on a null object reference
解决参考:
http://www.apkbus.com/thread-308518-1-1.html

Answer 2

私人的，readimg，myreadimg =新的myreadimg（）；

追问

什么意思