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java.lang.NullPointerException at com.example.firstproject.MyOnClickListener.onClick(MyOnClickListener.java:14) at android.view.View.performClick(View.java:4424) at android.view.View$PerformClick.run(View.java:18383) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:4998) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:593) at dalvik.system.NativeStart.main(Native Method)