gyf-dev / gyf-dev/ImmersionBar
NullPointerException
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- Dominant language
- Java
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Description
java.lang.NullPointerException: Attempt to invoke interface method 'void android.view.WindowInsetsController.setSystemBarsAppearance(int, int)' on a null object reference
at com.gyf.immersionbar.ImmersionBar.setBar(ImmersionBar.java:420)
at com.gyf.immersionbar.ImmersionBar.setStatusBarDarkFontAboveR(ImmersionBar.java:877)
at com.gyf.immersionbar.ImmersionBar.setBarDarkFontAboveR(ImmersionBar.java:441)
at com.gyf.immersionbar.ImmersionBar.init(ImmersionBar.java:326)
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at ImmersionBar.java lines 420, 877, 441, and 326, following the setBar call that reaches WindowInsetsController. Reproduce the NullPointerException on the affected Android path and verify that initialization no longer dereferences a null controller.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, java
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100