commit 648e25f0c79b898c377f50b7dc51e3e7daa7c542
author Dianne Hackborn <hackbod@google.com> Mon Aug 29 18:39:21 2011 -0700
committer Dianne Hackborn <hackbod@google.com> Mon Aug 29 18:39:21 2011 -0700
tree 9d19176c26f729c2231ccc4403d95b1e881290bb
parent 870716fc7a55786cb537402434d664484f70dd49

Dang you, TabHost.

Change-Id: I937cd0748fe0c44d6cd642637321aa6eb550cf91

samples/Support4Demos/src/com/example/android/supportv4/app/FragmentTabsPager.java

diff --git a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentTabsPager.java b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentTabsPager.java
index 75498fd..cf734d7 100644
--- a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentTabsPager.java
+++ b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentTabsPager.java
@@ -24,7 +24,9 @@
 import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.TabHost;
+import android.widget.TabWidget;
 
 import java.util.ArrayList;
 
@@ -159,7 +161,16 @@
 
         @Override
         public void onPageSelected(int position) {
+            // Unfortunately when TabHost changes the current tab, it kindly
+            // also takes care of putting focus on it when not in touch mode.
+            // The jerk.
+            // This hack tries to prevent this from pulling focus out of our
+            // ViewPager.
+            TabWidget widget = mTabHost.getTabWidget();
+            int oldFocusability = widget.getDescendantFocusability();
+            widget.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
             mTabHost.setCurrentTab(position);
+            widget.setDescendantFocusability(oldFocusability);
         }
 
         @Override