attachToRoot: attaches the views to their parent (includes them in the parent hierarchy), so any touch event that the views recieve will also be transfered to parent view.
What is use of LayoutInflater in Android?
The LayoutInflater class is used to instantiate the contents of layout XML files into their corresponding View objects. I se isi faaupuga, e manaʻomia se faila XML e fai ma faʻaoga ma fausia ai le View mea mai ai.
What is getLayoutInflater?
getLayoutInflater() or Context#getSystemService to retrieve a standard LayoutInflater instance that is already hooked up to the current context and correctly configured for the device you are running on. … Note: This class is not thread-safe and a given instance should only be accessed by a single thread.
What does it mean to inflate a view?
When you write an XML layout, it will be inflated by the Android OS which basically means that it will be rendered by creating view object in memory. Let’s call that implicit inflation (the OS will inflate the view for you).
O le a le inflation Android?
What is an Inflater ? To summarize what the LayoutInflater Documentation says… A LayoutInflater is one of the Android System Services that is responsible for taking your XML files that define a layout, and converting them into View objects. The OS then uses these view objects to draw the screen.
O le a le onCreateOptionsMenu i le Android?
E te fa'aogaina le onCreateOptionsMenu() e fa'amaoti le lisi o filifiliga mo se gaioiga. I lenei metotia, e mafai ona e faʻatupuina lau punaoa lisi (faʻamatalaina i le XML) i le Menu o loʻo tuʻuina atu i le toe foʻi.
O le a le ArrayAdapter i le Android?
ArrayAdapter o le fa'aoga fa'aoga masani i le Android. A iai sau lisi o mea e tasi o loʻo teuina i totonu o se laina e mafai ona e faʻaogaina ArrayAdapter. E faʻapea foʻi, pe a iai sau lisi o numera telefoni, igoa, poʻo taulaga. ArrayAdapter o loʻo i ai se faʻatulagaga ma se tasi TextView.
O le a le Android view?
Vaaiga e se poloka fau faavae o le UI (User Interface) i le Android. O le va'aiga o se tama'i pusa fa'afa'afa'afa e tali atu i mea e fa'aoga ai tagata. Fa'ata'ita'iga: EditText, Button, CheckBox, etc. ViewGroup o se atigipusa le vaaia o isi vaaiga (vaaiga a tamaiti) ma isi ViewGroup. Fa'ata'ita'iga: LinearLayout o se ViewGroup e mafai ona iai isi manatu i totonu.
How do I find the ViewGroup?
Le auala e faaaoga getRootView faiga in android.view.ViewGroup
- View view;(ViewGroup) view.getParent()
- Activity activity;(ViewGroup) activity.getWindow().getDecorView()
- Activity activity;(ViewGroup) activity.findViewById(id)
E fa'afefea ona e maua LayoutInflater i se vaega?
Ole auala mulimuli e maua ai se faʻataʻitaʻiga o LayoutInflater, e mai le auala ileCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) i se Pepa. Na'o le pasi lea i le i'uga o Gaoioiga. getLayoutInflater(), o lea e faʻaoga mea uma i luga.
O le a le SetContentView?
SetContentView o le fa'aoga e fa'atumu ai le fa'amalama i le UI na maua mai fa'atulagaina faila i totonu o le setiContentView(R. fa'atulagaina. somae_file). O iinei o le layoutfile ua fa'atuputeleina e va'ai ma fa'aopoopo i le Activity context(Window).
How do you inflate a linear layout?
Inflate messages inside layout!
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In our addMsg function, we :
- get an instance of our chat_area which is a LinearLayout using findViewById()
- access our message view layout using getLayoutInflater(). inflate()
- Access our message TextView using msg_view. findViewById()
- Then add the message view using addView()
O le a le Android ViewGroup?
O le ViewGroup o se vaaiga fa'apitoa e mafai ona iai isi fa'aaliga. Ole ViewGroup ole le vasega faavae mo Layouts i le Android, pei o LinearLayout , RelativeLayout , FrameLayout etc. I se isi faaupuga, ViewGroup e masani ona faʻaaogaina e faʻamalamalama ai le faʻatulagaina o manatu (widgets) o le a seti / faʻatulagaina / lisiina i luga o le Android screen.