Updating a view within a ViewPager

gistfile1.java

//This is in the inistantiateItem() method of my PagerAdapter.
//View view is my inflated layout, and SharedPreferences prefs contains my backing data.

final SeekBar seekBar = (SeekBar) view.findViewById(R.id.transparency_seekbar);
seekBar.setMax(80);
seekBar.setProgress(prefs.getInt(seekBar.getContext().getString(R.string.pref_transparency),
		0));
seekBar.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
	
	private IntentFilter mTransparencyFilter = new IntentFilter(
			ACTION_ADJUST_TRANSPARENCY);
	
	private BroadcastReceiver mTransparencyReceiver = new BroadcastReceiver() {
		
		@Override
		public void onReceive(Context context, Intent intent) {
			updateTransparency(context);
		}
		
	};
	
	//The work is done here
	private void updateTransparency(Context context) {
		seekBar.setProgress(prefs.getInt(context.getString(R.string.pref_transparency), 0));
	}

	@Override
	public void onViewDetachedFromWindow(View v) {
		v.getContext().unregisterReceiver(mTransparencyReceiver);
	}
	
	@Override
	public void onViewAttachedToWindow(View v) {
		v.getContext().registerReceiver(mTransparencyReceiver, mTransparencyFilter);
	}
});