java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sintad.devsintad01/com.sintad.devsintad01.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference

GitHub | ovelezmoro | 2 months ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    Error in project - I'm new in Material Design

    GitHub | 2 months ago | ovelezmoro
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sintad.devsintad01/com.sintad.devsintad01.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference
  2. 0

    Crash application au démarrage

    openclassrooms.com | 2 years ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{info.androidhive.tabsswipe/info.androidhive.tabsswipe.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference
  3. 0

    Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'void com.karumi.dexter.DexterInstance.onActivityReady(android.app.Activity)' on a null object reference

    GitHub | 2 months ago | cioraneanu
    java.lang.RuntimeException: Unable to start activity ComponentInfo{MYPACKAGE/com.karumi.dexter.DexterActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.karumi.dexter.DexterInstance.onActivityReady(android.app.Activity)' on a null object reference
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    How to get json response from the Internet on Android App

    Stack Overflow | 2 years ago | ryo kato
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.user.mymaterialapp/com.example.user.mymaterialapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String org.json.JSONObject.toString()' on a null object reference
  6. 0

    Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference

    Stack Overflow | 5 months ago | Pavan Bilagi
    java.lang.RuntimeException: Unable to start activity ComponentInfo: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference

    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

      Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference

      at com.sintad.devsintad01.MainActivity.onCreate()
    2. com.sintad.devsintad01
      MainActivity.onCreate
      1. com.sintad.devsintad01.MainActivity.onCreate(MainActivity.java:28)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.app.Activity.performCreate(Activity.java:6097)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2331)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2440)
      5. android.app.ActivityThread.access$800(ActivityThread.java:162)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1349)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:135)
      9. android.app.ActivityThread.main(ActivityThread.java:5430)
      9 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:913)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706)
      2 frames