Code example for PagerAdapter

Methods: startUpdate

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			} 
		} 
 
		@Override 
		public void startUpdate(ViewGroup container) {
			super.startUpdate(container);
		} 
 
		@Override 
		public void notifyDataSetChanged() { 
			mPrimaryItemPosition = -1;
			super.notifyDataSetChanged(); 
		} 
 
	} 
 
	private PrimaryItemListener mListener;
 
	public void setPrimaryItemChangeListener(PrimaryItemListener listener) {
		mListener = listener;
	}