Android programmatically include layout (i.e. without XML)

Question

So I've created an Activity subclass called CustomTitlebarActivity. Essentially, each main activity in my app will have a custom titlebar with many common features such as a Home button, a title, a search button, etc. In my current implementation, I am still explicitly using an include statement in the layout XML for each CustomTitlebarActivity:

<include layout="@layout/titlebar" />

It seems natural that I should be able to do this within CustomTitlebarActivity. I have two questions: What code can replace this include tag, and where should I put the code? (My first instinct would be to put it in CustomTitlebarActivity's setContentView method.)

On a related note, I would appreciate insight into better ways to reuse android UI code (even if, per se, the titlebars need to vary slightly between activities.)

Answer 1

I met this issue too, and I just solved it now. I think my solution is easier:

1. create a inflater:

   LayoutInflater inflater = (LayoutInflater)      this.getSystemService(LAYOUT_INFLATER_SERVICE);
   

2. inflate the child layout:

   View childLayout = inflater.inflate(R.layout.child,
               (ViewGroup) findViewById(R.id.child_id));
   

3. add it into parent:

   parentLayout.addView(childLayout);
   

It's done, enjoy it!