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Questions about Android development and PDF

Why i a mgetting Nullpointer exception

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IP: 192.168.0.71 11 years 4 months ago - 11 years 4 months ago #7604 by asliyanage
Why i a mgetting Nullpointer exception was created by asliyanage
I have a viewpager in my android application which contain several fragments.When the orientation changes the i got below exception.
Code:
10-30 11:08:11.470: E/InputEventReceiver(13224): Exception dispatching input event. 10-30 11:08:11.470: E/MessageQueue-JNI(13224): Exception in MessageQueue callback: handleReceiveCallback 10-30 11:08:11.475: E/MessageQueue-JNI(13224): java.lang.NullPointerException 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.radaee.view.PDFViewThumb.vSingleTap(PDFViewThumb.java:203) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.radaee.view.PDFView$PDFGestureListener.onSingleTapUp(PDFView.java:490) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.GestureDetector.onTouchEvent(GestureDetector.java:1414) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.radaee.view.PDFView.motionNormal(PDFView.java:550) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.radaee.view.PDFView.vTouchEvent(PDFView.java:656) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.radaee.util.PDFThumbView.onTouchEvent(PDFThumbView.java:75) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.View.dispatchTouchEvent(View.java:7669) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2283) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1578) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.app.Activity.dispatchTouchEvent(Activity.java:2468) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2231) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.View.dispatchPointerEvent(View.java:7876) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:3898) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:3782) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5034) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5013) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5112) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.os.MessageQueue.nativePollOnce(Native Method) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.os.MessageQueue.next(MessageQueue.java:125) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.os.Looper.loop(Looper.java:124) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at android.app.ActivityThread.main(ActivityThread.java:5279) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at java.lang.reflect.Method.invokeNative(Native Method) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at java.lang.reflect.Method.invoke(Method.java:511) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 10-30 11:08:11.475: E/MessageQueue-JNI(13224): at dalvik.system.NativeStart.main(Native Method) 10-30 11:08:11.480: D/AndroidRuntime(13224): Shutting down VM 10-30 11:08:11.480: W/dalvikvm(13224): threadid=1: thread exiting with uncaught exception (group=0x41176930) 10-30 11:08:11.480: E/AndroidRuntime(13224): FATAL EXCEPTION: main 10-30 11:08:11.480: E/AndroidRuntime(13224): java.lang.NullPointerException 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.radaee.view.PDFViewThumb.vSingleTap(PDFViewThumb.java:203) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.radaee.view.PDFView$PDFGestureListener.onSingleTapUp(PDFView.java:490) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.GestureDetector.onTouchEvent(GestureDetector.java:1414) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.radaee.view.PDFView.motionNormal(PDFView.java:550) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.radaee.view.PDFView.vTouchEvent(PDFView.java:656) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.radaee.util.PDFThumbView.onTouchEvent(PDFThumbView.java:75) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.View.dispatchTouchEvent(View.java:7669) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2397) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2134) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2283) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1578) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.app.Activity.dispatchTouchEvent(Activity.java:2468) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2231) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.View.dispatchPointerEvent(View.java:7876) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewRootImpl.deliverPointerEvent(ViewRootImpl.java:3898) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:3782) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5034) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5013) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5112) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.os.MessageQueue.nativePollOnce(Native Method) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.os.MessageQueue.next(MessageQueue.java:125) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.os.Looper.loop(Looper.java:124) 10-30 11:08:11.480: E/AndroidRuntime(13224): at android.app.ActivityThread.main(ActivityThread.java:5279) 10-30 11:08:11.480: E/AndroidRuntime(13224): at java.lang.reflect.Method.invokeNative(Native Method) 10-30 11:08:11.480: E/AndroidRuntime(13224): at java.lang.reflect.Method.invoke(Method.java:511) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 10-30 11:08:11.480: E/AndroidRuntime(13224): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 10-30 11:08:11.480: E/AndroidRuntime(13224): at dalvik.system.NativeStart.main(Native Method)
I don't use thumbnails in my app.I don't know why it gives me this error?
Last edit: 11 years 4 months ago by Docrishav.
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IP: 192.168.0.71 11 years 4 months ago - 11 years 4 months ago #7607 by radaee
Replied by radaee on topic Why i a mgetting Nullpointer exception
the log says:
com.radaee.util.PDFThumbView.onTouchEvent(PDFThumbView.java:75)
so you can debug at this line.
or even set debug point to contructor function in com.radaee.util.PDFThumbView
Last edit: 11 years 4 months ago by .
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