Recent questions tagged Nullpointerexception

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nullpointerexception - Android studio " Attempt to invoke virtual method on a null object reference"

when i create the custom view of each items of the list view, i get a null pointer exception and i ... any help and explanition is welcomed See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Attempt to invoke virtual method 'android.view.View android.view.View.getRootView()' on a null object reference

I am getting this error, "Attempt to invoke virtual method 'android.view.View android.view.View.getRootView()' ... ="vertical"></LinearLayout> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Android Camera OnActivityResult resets photo path to null

I'm having a problem while testing my app on a friends Galaxy S4 (GT i9505, ... MediaChooserConstants.CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Attempt to invoke interface method 'void android.support.v7.widget.DecorContentParent.setWindowCallback(android.view.Window$Callback)'

here is my project: animated_path.xml: <?xml version="1.0" encoding="utf-8"?> <animated- ... .google.com/open?id=0B7cSTEJuaMZBLW9VYWM5X0szVlk See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Null check in Java 8 Elvis operator?

Question: Is there an implementation of the Elvis operator scheduled for any future Java release? Or is there any ... ?.getVersion(); or similar See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Null check in Java 8 Elvis operator?

Question: Is there an implementation of the Elvis operator scheduled for any future Java release? Or is there any ... ?.getVersion(); or similar See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - JavaFX, Label null pointer exception

I am having the following problem with a program that I am currently writing, and I have searched on the ... line?) Thank you in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Java NPE in ternary operator with autoboxing?

I ran across a very weird NPE this morning, and reduced it to a simple example. Is this a JVM bug or correct ... at Test1.main(Test1.java:16) $ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Null pointer after capturing image using android camera

in my application,i am using android devices camera to capture an image. for some devices it works fine but some ... me your help, thank you.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nullpointerexception - Android Api 23 Change Navigation View headerLayout textview

I am testing the Navigation Drawer sample project in android and i have a problem setting the text in ... activity?? Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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