java.lang.IllegalArgumentException: No view found for id 0x4 (unknown) for fragment FragmentA{7c55a69 #0 id=0x4 FragmentA}

Stack Overflow | Ginsan | 2 months ago
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    samebug tip
    When you use findViewById inside an activity it is going to look for a View inside your main_activity.xml. If it's not there, it throws this exception, try to use the right view to call findviewById.
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    samebug tip
    If you're using nested fragments, you have to use childFragmentManager instead of fragmentManager.
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    Add fragment in RecyclerView.ViewHolder

    Stack Overflow | 2 months ago | Ginsan
    java.lang.IllegalArgumentException: No view found for id 0x4 (unknown) for fragment FragmentA{7c55a69 #0 id=0x4 FragmentA}
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    samebug tip
    As of SDK 23, you have to call this method with ContextCompat.getColor(context, R.color.my_color) so it works with previous API as well. Also, you have to add the support V4 library to your dependencies: "compile 'com.android.support:support-v4:23.0.1'"
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    Annotation processor is not running in your project. Clean and rebuild your project. You can also delete .apt_generated folder, for a cleaner build.

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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    No view found for id 0x4 (unknown) for fragment FragmentA{7c55a69 #0 id=0x4 FragmentA}

    at android.support.v4.app.FragmentManagerImpl.moveToState()
  2. Android Support v4
    FragmentManagerImpl$1.run
    1. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1292)
    2. android.support.v4.app.FragmentManagerImpl.moveFragmentsToInvisible(FragmentManager.java:2323)
    3. android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2136)
    4. android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2092)
    5. android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1998)
    6. android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:709)
    6 frames
  3. Android Platform
    ActivityThread.main
    1. android.os.Handler.handleCallback(Handler.java:739)
    2. android.os.Handler.dispatchMessage(Handler.java:95)
    3. android.os.Looper.loop(Looper.java:148)
    4. android.app.ActivityThread.main(ActivityThread.java:5417)
    4 frames
  4. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  5. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
    2 frames