java.lang.NullPointerException: null reference

Stack Overflow | Mark | 1 week ago
Do you find the tips below useful? Click on the to mark them and say thanks to Rafael Fischer Viola . Or join the community to write better ones.
  1. 0

    Is it possible to have multiple GoogleApiClients within one activity?

    Stack Overflow | 3 months ago | marcco_m
    java.lang.IllegalStateException: GoogleApiClient is not connected yet.
  2. 0
    samebug tip
    To use a OAuth2 token, you need to register your signed app through the dev console. For this you need to get a SHA1 Fingerprint, all the process is described in more details here:
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

  4. 0

    GoogleApiClient not connected yet

    Stack Overflow | 3 months ago | Shakeel Dhada
    java.lang.IllegalStateException: GoogleApiClient is not connected yet.
  5. 0
    samebug tip
    Firebase Database considers public fields and JavaBean-like getters and setters when serializing/deserializing JSON. A public field with a getter and a setter may cause this exception. Try to change to private or removing getter and setter.

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      null reference

      1. Source)
      2. Source)
      2 frames
    3. com.example.mark
      1. com.example.mark.prototype9.SubActivity.subscribe(
      2. com.example.mark.prototype9.SubActivity.onConnected(
      2 frames
      1. Source)
      2. Source)
      3. Source)
      4. Source)
      5. Source)
      6. Source)
      7.$1.onConnected(Unknown Source)
      8.$zzj.zzavj(Unknown Source)
      9.$zza.zzc(Unknown Source)
      10.$zza.zzv(Unknown Source)
      11.$zze.zzavl(Unknown Source)
      12.$zzd.handleMessage(Unknown Source)
      12 frames
    5. Android Platform
      1. android.os.Handler.dispatchMessage(
      2. android.os.Looper.loop(
      3 frames
    6. Java RT
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(
      2 frames
    7. Android
      2 frames