java.lang.RuntimeException: Unable to start activity ComponentInfo{ir.homa/ir.homa.HomaActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.common.api.GoogleApiClient.connect()' on a null object reference

Stack Overflow | Mohammadreza | 7 months ago
  1. 0

    My application doesn't run itself MainActivity

    Stack Overflow | 7 months ago | Mohammadreza
    java.lang.RuntimeException: Unable to start activity ComponentInfo{ir.homa/ir.homa.HomaActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.common.api.GoogleApiClient.connect()' on a null object reference
  2. 0
    Use 'dialog' to access views from custom_layout layout.
  3. 0
    The resource was accessed after it was dismissed.
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  5. 0
    Initialize the variable before calling a method on it.
  6. 0

    Crash on backup

    GitHub | 1 year ago | SlideAutoreport
    java.lang.RuntimeException: Unable to start activity ComponentInfo{me.ccrama.redditslide/me.ccrama.redditslide.Activities.SettingsBackup}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.common.api.GoogleApiClient.connect()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.google.android.gms.common.api.GoogleApiClient.connect()' on a null object reference

      at ir.homa.HomaActivity.onStart()
    2. ir.homa
      HomaActivity.onStart
      1. ir.homa.HomaActivity.onStart(HomaActivity.java:127)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1234)
      2. android.app.Activity.performStart(Activity.java:6258)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2621)
      3 frames