java.lang.RuntimeException

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.

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  • 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{com.math.mathquiz/com.math.mathquiz.HighScoreActivity}: java.lang.IllegalStateException: PreferencesManager 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.example.madhu.samplec/com.example.madhu.samplec.mtcresult}: java.lang.IllegalStateException: BusDataManager is not initialized, call initializeInstance(..) method first. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2279) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2329) at android.app.ActivityThread.access$800(ActivityThread.java:145) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1265) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5214) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:814) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:630) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.IllegalStateException: BusDataManager is not initialized, call initializeInstance(..) method first. at com.example.madhu.samplec.BusDataManager.getInstance(BusDataManager.java:26) at com.example.madhu.samplec.Bus_StageRepo.getStage(Bus_StageRepo.java:60) at com.example.madhu.samplec.mtcresult.displaylistview(mtcresult.java:537) at com.example.madhu.samplec.mtcresult.onCreate(mtcresult.java:293) at android.app.Activity.performCreate(Activity.java:5231) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2243) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2329) at android.app.ActivityThread.access$800(ActivityThread.java:145) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1265) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5214) at java.lang.reflect.Method.invokeNative(Native Method)

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