nullpointerexception tag

14 questions

2 answers
84 views
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java.lang.NullPointerException: Attempt to invoke virtual method 'LegacyCameraConnectionFragment.openCamera()' on a null object reference

java.lang.NullPointerException: Attempt to invoke virtual method 'void kr.co.kpst.mec_digtwin.activity.LegacyCameraConnectionFragment.openCamera()' on a null object referenceIf you press the curren...

android error nullpointerexception java

2 years ago

1 answers
139 views
0

Android will be forced to shut down. NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference

When you run Android and log in, the map screen appears, and it is forced to end immediately after the screen appears. Can anyone tell me what the problem is because I don't know how to watch logcat?0...

android java xml android-studio nullpointerexception

2 years ago

1 answers
104 views
0

Android studio is forced to shut down 'java.lang.Stringjava.lang.Object.toString()' on a null object reference

When you press a button on a map map, an error occurs.I used the threadI don't know which part is wrong.I'm just copying what someone else didPlease help me because I am not good at interpreting logca...

android android-studio java error nullpointerexception

2 years ago

1 answers
135 views
0

Question about Android studio error! Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

I'm making a simple note app with Android studio.However, I try to run it on the emulator, but it keeps turning off and not running.There was no problem in the build window, so I faced a difficulty in...

android-studio nullpointerexception

2 years ago

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