java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Intent android.content.Context.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference

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    java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Intent android.content.Context.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference
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    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.content.Intent android.content.Context.registerReceiver(android.content.BroadcastReceiver, android.content.IntentFilter)' on a null object reference

      at android.content.ContextWrapper.registerReceiver()
    2. Android Platform
      ContextWrapper.registerReceiver
      1. android.content.ContextWrapper.registerReceiver(ContextWrapper.java:586)
      1 frame
    3. com.example.lcssgml
      MainActivity$1.onClick
      1. com.example.lcssgml.appsmsmms.sendSMS.sendSMS(sendSMS.java:41)
      2. com.example.lcssgml.appsmsmms.MainActivity$1.onClick(MainActivity.java:46)
      2 frames
    4. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5610)
      2. android.view.View$PerformClick.run(View.java:22260)
      3. android.os.Handler.handleCallback(Handler.java:751)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:154)
      6. android.app.ActivityThread.main(ActivityThread.java:6077)
      6 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
      2 frames