How to inflate one view with a layout

Question

I have a layout defined in XML  It contains also     lt RelativeLayout     android id    id item      android layout width  fill parent      android layout height  wrap content    gt    I would like to inflate this RelativeView with other XML layout file  I may use different layouts depending on a situation  How should I do it  I was trying different variations of   RelativeLayout item    RelativeLayout  findViewById R id item   item inflate        But none of them worked fine

User · Answer

I had used below snippet of code for this and it worked for me   LinearLayout linearLayout    LinearLayout findViewById R id item   View child   getLayoutInflater   inflate R layout child  null   linearLayout addView child

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Try this code     If you just want to inflate your layout      x000D   x000D  View view   LayoutInflater from context  inflate R layout your xml layout null      Code for inflating xml layout x000D  RelativeLayout item   view findViewById R id item      x000D   x000D   x000D     If you want to inflate your layout in container parent layout       x000D   x000D  LinearLayout parent   findViewById R id container            parent layout  x000D  View view   LayoutInflater from context  inflate R layout your xml layout parent false    x000D  RelativeLayout item   view findViewById R id item           initialize layout  amp  By this you can also perform any event  x000D  parent addView view                 adding your inflated layout in parent layout  x000D   x000D   x000D

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layout inflation  View view   null  LayoutInflater inflater    LayoutInflater getSystemService Context LAYOUT INFLATER SERVICE    view   inflater inflate R layout mylayout  null   main addView view

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I m not sure I have followed your question- are you trying to attach a child view to the RelativeLayout  If so you want to do something along the lines of   RelativeLayout item    RelativeLayout findViewById R id item   View child   getLayoutInflater   inflate R layout child  null   item addView child

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You inflate an XML resource  See the LayoutInflater doc    If your layout is in a mylayout xml  you would do something like   View view   LayoutInflater inflater    LayoutInflater    getContext   getSystemService Context LAYOUT INFLATER SERVICE    view   inflater inflate R layout mylayout  null    RelativeLayout item    RelativeLayout  view findViewById R id item

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If you are you trying to attach a child view to the RelativeLayout  you can do by following  RelativeLayout item    RelativeLayout findViewById R id item   View child   getLayoutInflater   inflate R layout child  item  true

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If you re not in an activity you can use the static from   method from the LayoutInflater class to get a LayoutInflater  or request the service from the context method getSystemService   too    LayoutInflater i  Context x          Assuming here that x is a valid context  not null  i    LayoutInflater  x getSystemService Context LAYOUT INFLATER SERVICE     OR i   LayoutInflater from x      I know it s almost 4 years ago but still worth mentioning

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If you want to add a single view multiple time then you have to use      layoutInflaterForButton   getActivity   getLayoutInflater      for  int noOfButton   0  noOfButton  lt  5  noOfButton              FrameLayout btnView    FrameLayout  layoutInflaterForButton inflate R layout poll button  null           btnContainer addView btnView           If you do like     layoutInflaterForButton   getActivity   getLayoutInflater        FrameLayout btnView    FrameLayout  layoutInflaterForButton inflate R layout poll button  null     and  for  int noOfButton   0  noOfButton  lt  5  noOfButton                  btnContainer addView btnView               then it will throw exception of all ready added view

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I had the hardest time with this error  because of my unique circumstances  but finally found a solution   My situation  I am using a separate view  XML  which holds a WebView  then opens in an AlertDialog when I click a button in my main activity view  But somehow or another the WebView belonged to the main activity view  probably because I pull the resource from here   so right before I assigned it to my AlertDialog  as a view   I had to get the parent of my WebView  put it into a ViewGroup  then remove all the views on that ViewGroup  This worked  and my error went away      set up Alert Dialog box AlertDialog Builder alert   new AlertDialog Builder this      inflate other xml where WebView is LayoutInflater layoutInflater    LayoutInflater this getSystemService                  Context LAYOUT INFLATER SERVICE   View v   layoutInflater inflate R layout your webview layout  null   final WebView webView    WebView  v findViewById R id your webview id       more code           later on after I loaded my WebView          first  remove the parent of WebView from it s old parent so can be assigned a new one  ViewGroup vg    ViewGroup  webView getParent    vg removeAllViews        put WebView in Dialog box alert setView webView   alert show

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AttachToRoot Set to True  Just think we specified a button in an XML layout file with its layout width and layout height set to match parent    lt Button xmlns android  http   schemas android com apk res android  android layout width  match parent  android layout height  match parent  android id    id custom button  gt   lt  Button gt    On This Buttons Click Event We Can Set Following Code to Inflate Layout on This Activity   LayoutInflater inflater   LayoutInflater from getContext     inflater inflate R layout yourlayoutname  this     Hope this solution works for you

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Even simpler way is to use  View child   View inflate context  R layout child  null  item addChild child    attach to your item

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With Kotlin  you can use   val content   LayoutInflater from context  inflate R layout  custom layout name   null    your main layout  apply                addView content

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It s helpful to add to this  even though it s an old post  that if the child view that is being inflated from xml is to be added to a viewgroup layout  you need to call inflate with a clue of what type of viewgroup it is going to be added to  Like   View child   getLayoutInflater   inflate R layout child  item  false     The inflate method is quite overloaded and describes this part of the usage in the docs  I had a problem where a single view inflated from xml wasn t aligning in the parent properly until I made this type of change

User · Answer

Though late answer   but would like to add that one way to get this  LayoutInflater layoutInflater    LayoutInflater this getSystemService Context LAYOUT INFLATER SERVICE       View view   layoutInflater inflate R layout mylayout  item      where item is the parent layout where you want to add a child layout

[android] How to inflate one view with a layout

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