Question

I want to create an activity that has sidebar on the left that is not changing between activity transitions (like split view in ios). It seems that I can do this with fragments but I need to add support for devices that is prior to HoneyComb.

I tried using a layout something like below.

   <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal" >
<LinearLayout android:layout_width="320dip"
     android:layout_height="match_parent"
     android:id="@+id/navLay"
    >
 <ListView
         android:id="@+id/navList"
         android:layout_width="match_parent"
         android:layout_height="wrap_content" >
     </ListView>

 </LinearLayout>
  <LinearLayout 
     android:layout_width="wrap_content"
     android:layout_height="match_parent"
     android:id="@+id/contentLay"
     ><ListView
      android:id="@+id/contentList"
      android:layout_width="match_parent"
      android:layout_height="wrap_content" >
  </ListView>
 </LinearLayout>
</LinearLayout>

But the first list is also updated on activity transition. I want to note that the activity is the same activity except the right list’s data source is different. So it would be pretty good if I could save state and content of the left navigation bar while navigating. Any help will be appreciated.

Answer 1

Take a look at Support Package which provides classes for backward compatibility, and includes Fragment class also.