query: NullPointerException when trying to change fragment background (setBackgroundResource on null object reference)
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 34673
negative_passages.text: Was PreferenceFragment intentionally excluded from the compatibility package?
negative_passages.docid: 122746
negative_passages.text: IllegalArgumentException: Numbers of source Raster bands and source color space components do not match For a color image Exception
negative_passages.docid: 7369
negative_passages.text: How do I change JPanel inside a JFrame on the fly?
negative_passages.docid: 16416
negative_passages.text: How do I set a background image while I am editing?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 9396
negative_passages.text: NullPointerException on AlarmManager.setRepeating() - ElapsedRealTime - Android
negative_passages.docid: 80631
negative_passages.text: NullPointerException but compiling?
negative_passages.docid: 16199
negative_passages.text: Cannot change lock screen background on Ubuntu 18.04
negative_passages.docid: 65423
negative_passages.text: Changing theme in android project in eclipse
negative_passages.docid: 10818
negative_passages.text: NullPointerException : println needs a message in android
negative_passages.docid: 36769
negative_passages.text: directly change the background value of a SparseArray?
negative_passages.docid: 29097
negative_passages.text: KitKat specific- android.content.res.Resources$NotFoundException: File res/drawable/list_selector_white.xml from drawable resource ID
negative_passages.docid: 49842
negative_passages.text: How to set an image as a background for Frame in Swing GUI of java?
negative_passages.docid: 155560
negative_passages.text: Eclipse freeze accessing project -> properties -> android tab
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negative_passages.text: Nullpointerexception while setting a bean
negative_passages.docid: 135482
negative_passages.text: JavaFX How to set scene background image