java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference

GitHub | galadril | 6 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference

    at nl.hnogames.domoticz.Welcome.WelcomePage4.resetLayout()
  2. nl.hnogames.domoticz
    WelcomePage4.setUserVisibleHint
    1. nl.hnogames.domoticz.Welcome.WelcomePage4.resetLayout(WelcomePage4.java:164)
    2. nl.hnogames.domoticz.Welcome.WelcomePage4.setUserVisibleHint(WelcomePage4.java:71)
    2 frames
  3. Android Support v4
    FragmentPagerAdapter.setPrimaryItem
    1. android.support.v4.app.FragmentPagerAdapter.setPrimaryItem(FragmentPagerAdapter.java:130)
    1 frame
  4. com.heinrichreimersoftware.materialintro
    FadeableViewPager$PagerAdapterWrapper.setPrimaryItem
    1. com.heinrichreimersoftware.materialintro.view.FadeableViewPager$PagerAdapterWrapper.setPrimaryItem(FadeableViewPager.java:136)
    1 frame
  5. Android Support v4
    ViewPager.setCurrentItem
    1. android.support.v4.view.ViewPager.populate(ViewPager.java:1175)
    2. android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:608)
    3. android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:570)
    4. android.support.v4.view.ViewPager.setCurrentItem(ViewPager.java:562)
    4 frames
  6. com.heinrichreimersoftware.materialintro
    IntroActivity$2.onClick
    1. com.heinrichreimersoftware.materialintro.app.IntroActivity.nextSlide(IntroActivity.java:141)
    2. com.heinrichreimersoftware.materialintro.app.IntroActivity$2.onClick(IntroActivity.java:126)
    2 frames
  7. Android Platform
    ActivityThread.main
    1. android.view.View.performClick(View.java:4768)
    2. android.view.View$PerformClick.run(View.java:19692)
    3. android.os.Handler.handleCallback(Handler.java:739)
    4. android.os.Handler.dispatchMessage(Handler.java:95)
    5. android.os.Looper.loop(Looper.java:135)
    6. android.app.ActivityThread.main(ActivityThread.java:5539)
    6 frames
  8. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:372)
    2 frames
  9. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
    2 frames