java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mauro.navigatore/com.example.mauro.navigatore.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference

Stack Overflow | Mauro Telese | 5 months ago
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    Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference

    Stack Overflow | 5 months ago | Mauro Telese
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mauro.navigatore/com.example.mauro.navigatore.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference
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    Android tabhost probléma - Tudástár - Prog.Hu

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    [Crash Log] Fri, 26 Dec 2014 00:56:16 GMT

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    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.ViewGroup.transformMatrixToGlobal(android.graphics.Matrix)' on a null object reference
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    android tests failing because appium's apidemos is crashing

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    java.lang.RuntimeException: Unable to start activity ComponentInfo{io.appium.android.apis/io.appium.android.apis.app.StatusBarNotifications}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference

      at com.example.mauro.navigatore.MainActivity.onCreate()
    2. com.example.mauro
      MainActivity.onCreate
      1. com.example.mauro.navigatore.MainActivity.onCreate(MainActivity.java:44)
      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