Why does this problem occur

pratiktimer / setWallpaperplugin

Apache License 2.0

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Why does this problem occur #20

Closed jsonsuxing closed 3 years ago

jsonsuxing commented 3 years ago

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference