java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.PackageManager android.app.Activity.getPackageManager()' on a null object reference

Stack Overflow | Moin Khan | 6 months ago
  1. 0

    GetApplicationManager giving NullPointerException Error

    Stack Overflow | 6 months ago | Moin Khan
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.PackageManager android.app.Activity.getPackageManager()' on a null object reference
  2. 0
    Initialize the variable before calling a method on it.
  3. 0
    Use 'dialog' to access views from custom_layout layout.
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    The resource was accessed after it was dismissed.
  6. 0
    The parsed JSON does not contains the requested field.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.content.pm.PackageManager android.app.Activity.getPackageManager()' on a null object reference

      at code.meter.securemeter.com.securemeter.helper.CameraHandler.getActivities()
    2. code.meter.securemeter
      ConDetTenthFragment$1.onClick
      1. code.meter.securemeter.com.securemeter.helper.CameraHandler.getActivities(CameraHandler.java:72)
      2. code.meter.securemeter.com.securemeter.helper.CameraHandler.fillCameraActivities(CameraHandler.java:83)
      3. code.meter.securemeter.com.securemeter.helper.CameraHandler.showView(CameraHandler.java:106)
      4. code.meter.securemeter.com.securemeter.fragment.ConDetTenthFragment$1.onClick(ConDetTenthFragment.java:76)
      4 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5242)
      2. android.widget.TextView.performClick(TextView.java:10540)
      3. android.view.View$PerformClick.run(View.java:21185)
      4. android.os.Handler.handleCallback(Handler.java:739)
      5. android.os.Handler.dispatchMessage(Handler.java:95)
      6. android.os.Looper.loop(Looper.java:145)
      7. android.app.ActivityThread.main(ActivityThread.java:6856)
      7 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
      2 frames