java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.rinzinchoephel.drivervolley/com.example.rinzinchoephel.drivervolley.Camera}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

Stack Overflow | Rinsing | 8 months ago
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Root Cause Analysis

  1. java.lang.RuntimeException

    Unable to start activity ComponentInfo{com.example.rinzinchoephel.drivervolley/com.example.rinzinchoephel.drivervolley.Camera}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

    at android.app.ActivityThread.performLaunchActivity()
  2. Android Platform
    ActivityThread.handleLaunchActivity
    1. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
    2. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2667)
    2 frames