java.lang.RuntimeException

Unable to start activity ComponentInfo{com.math.mathquiz/com.math.mathquiz.HighScoreActivity}: java.lang.IllegalStateException: PreferencesManager is not initialized, call initializeInstance(..) method first.

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Solutions on the web49661

  • Unable to start activity ComponentInfo{com.math.mathquiz/com.math.mathquiz.HighScoreActivity}: java.lang.IllegalStateException: PreferencesManager is not initialized, call initializeInstance(..) method first.
  • Unable to start activity ComponentInfo{com.example.madhu.samplec/com.example.madhu.samplec.mtcresult}: java.lang.IllegalStateException: BusDataManager is not initialized, call initializeInstance(..) method first.
  • Unable to start activity ComponentInfo{it.unisalento.progetto.software.cunamameli.dafb/it.unisalento.progetto.software.cunamameli.dafb.loginPack.LoginActivity}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process
  • Stack trace

    • java.lang.RuntimeException: Unable to start activity ComponentInfo{com.math.mathquiz/com.math.mathquiz.HighScoreActivity}: java.lang.IllegalStateException: PreferencesManager is not initialized, call initializeInstance(..) method first. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2426) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)

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