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

Stack Overflow | Tarik Hodzic | 5 months ago
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    void android.widget.TextView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference error

    Stack Overflow | 5 months ago | Tarik Hodzic
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.android.musicplayer/com.example.android.musicplayer.ArtistLibrary}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.TextView.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

      at com.example.android.musicplayer.ArtistLibrary.onCreate()
    2. com.example.android
      ArtistLibrary.onCreate
      1. com.example.android.musicplayer.ArtistLibrary.onCreate(ArtistLibrary.java:18)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6876)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1135)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3206)
      3 frames