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via Stack Overflow by user59053
, 2 years ago
Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference 01-01 22:53:40.994: W/System.err(13438): at com.wifiTest.TurnOnWIfiTestAction.turnOnWifi(TurnOnWIfiTestAction
Empty query.