Android Question Material dialog error

Discussion in 'Android Questions' started by rscheel, Jun 12, 2017.

  1. rscheel

    rscheel Well-Known Member Licensed User

    When I run it for the first time it works fine, but when I run it for the second time, it sends the error

    Code:
    Sub Listar_Click
        Builder.Title(
    "Months and Days")
        Builder.Items(
    Array As String("January""February""March""April""May""June""July""August""September""October""November""December""Monday""Tuesday""Wednesday""Thursday""Friday""Saturday""Sunday"))
        Builder.ItemsCallback
        Builder.NegativeText(
    "Cancel")
        Builder.Show
    End Sub

    Sub Dialog_ButtonPressed (Dialog As MaterialDialog, Action As String)
        
    Select Action
            
    Case Dialog.ACTION_POSITIVE
                
    Log("Positive Button pressed")
                
    ToastMessageShow(Action, False)
            
    Case Dialog.ACTION_NEGATIVE
                
    Log("Negative Button pressed")
                
    ToastMessageShow(Action, False)
            
    Case Dialog.ACTION_NEUTRAL
                
    Log("Neutral Button pressed")
                
    ToastMessageShow(Action, False)
        
    End Select
       
        
    Log("CheckBox: " & Dialog.PromptCheckBoxChecked)
    End Sub

    Sub Dialog_ItemSelected (Dialog As MaterialDialog, Position As Int, Text As String)
        
    Log($"Item Selected: ${Position} : ${Text}"$)
        
    ToastMessageShow(Text, False)
    End Sub
    Code:
    main_listar_click (java line: 607)
    java.lang.IllegalArgumentException: LayoutManager android.support.v7.widget.LinearLayoutManager@fa5271c 
    is already attached to a RecyclerView: android.support.v7.widget.RecyclerView{6e45f25 VFED.V... .F....ID 0,0-912,1149 #7f060090 app:id/md_contentRecyclerView}
        at android.support.v7.widget.RecyclerView.setLayoutManager(RecyclerView.java:
    1182)
        at com.afollestad.materialdialogs.MaterialDialog.invalidateList(MaterialDialog.java:
    167)
        at com.afollestad.materialdialogs.DialogInit.init(DialogInit.java:
    367)
        at com.afollestad.materialdialogs.MaterialDialog.<init>(MaterialDialog.java:
    95)
        at com.afollestad.materialdialogs.MaterialDialog$Builder.build(MaterialDialog.java:
    2109)
        at com.afollestad.materialdialogs.MaterialDialog$Builder.show(MaterialDialog.java:
    2114)
        at de.amberhome.materialdialogs.MaterialDialogBuilderWrapper.Show(MaterialDialogBuilderWrapper.java:
    571)
        at cl.avlchile.avlfinger.main._listar_click(main.java:
    607)
        at java.lang.reflect.Method.invoke(Native Method)
        at anywheresoftware.b4a.BA.raiseEvent2(BA.java:
    186)
        at anywheresoftware.b4a.BA$
    1.run(BA.java:325)
        at android.os.Handler.handleCallback(Handler.java:
    751)
        at android.os.Handler.dispatchMessage(Handler.java:
    95)
        at android.os.Looper.loop(Looper.java:
    154)
        at android.app.ActivityThread.main(ActivityThread.java:
    6186)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:
    889)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:
    779)
    main_listar_click (java line: 
    607)
    java.lang.IllegalArgumentException: LayoutManager android.support.v7.widget.LinearLayoutManager@fa5271c 
    is already attached to a RecyclerView: android.support.v7.widget.RecyclerView{6e45f25 VFED.V... .F....ID 0,0-912,1149 #7f060090 app:id/md_contentRecyclerView}
        at android.support.v7.widget.RecyclerView.setLayoutManager(RecyclerView.java:
    1182)
        at com.afollestad.materialdialogs.MaterialDialog.invalidateList(MaterialDialog.java:
    167)
        at com.afollestad.materialdialogs.DialogInit.init(DialogInit.java:
    367)
        at com.afollestad.materialdialogs.MaterialDialog.<init>(MaterialDialog.java:
    95)
        at com.afollestad.materialdialogs.MaterialDialog$Builder.build(MaterialDialog.java:
    2109)
        at com.afollestad.materialdialogs.MaterialDialog$Builder.show(MaterialDialog.java:
    2114)
        at de.amberhome.materialdialogs.MaterialDialogBuilderWrapper.Show(MaterialDialogBuilderWrapper.java:
    571)
        at cl.avlchile.avlfinger.main._listar_click(main.java:
    607)
        at java.lang.reflect.Method.invoke(Native Method)
        at anywheresoftware.b4a.BA.raiseEvent2(BA.java:
    186)
        at anywheresoftware.b4a.BA$
    1.run(BA.java:325)
        at android.os.Handler.handleCallback(Handler.java:
    751)
        at android.os.Handler.dispatchMessage(Handler.java:
    95)
        at android.os.Looper.loop(Looper.java:
    154)
        at android.app.ActivityThread.main(ActivityThread.java:
    6186)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:
    889)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:
    779)
    Any idea of what can be
     
  2. rscheel

    rscheel Well-Known Member Licensed User

    I already solved it, I was Initializing in Activity_Create, so I moved it to the click event of the button.

    Code:
    Sub Listar_Click
        Builder.Initialize(
    "Dialog")
        Builder.Title(
    "Months and Days")
        Builder.Items(
    Array As String("January""February""March""April""May""June""July""August""September""October""November""December""Monday""Tuesday""Wednesday""Thursday""Friday""Saturday""Sunday"))
        Builder.ItemsCallback
        Builder.PositiveText(
    "OK")
        Builder.Show
    End Sub
     
    Facundodroz, kammando and corwin42 like this.
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