CursorAdapter

class CallLogAdapter extends CursorAdapter {
        private ViewItemHolder mHolder;
        private Context mContext;

        public CallLogAdapter(Context context, Cursor c, int flags) {
            super(context, c, flags);
            this.mContext = context;
        }
        
        final class ViewItemHolder {
            TextView callDate;
            TextView callTime;
            ImageView callType;
            TextView duration;
        }

        @Override
        public View newView(Context context, Cursor cursor, ViewGroup parent) {
            final LayoutInflater inflater = LayoutInflater.from(context);
            View view = inflater.inflate(R.layout.mediaphone_simple_callog_list_item, parent, false);
            createChildViews(view, cursor);
            return view;
        }

        @Override
        public void bindView(View view, Context context, Cursor cursor) {
            createChildViews(view, cursor);
        }
        
        private void createChildViews(View view, Cursor cursor) {
            mHolder = (ViewItemHolder) view.getTag();
            if(mHolder == null){
                mHolder = new ViewItemHolder();
                mHolder.callDate = (TextView) view.findViewById(R.id.tv_call_date);
                mHolder.callTime = (TextView) view.findViewById(R.id.tv_call_time);
                mHolder.callType = (ImageView) view.findViewById(R.id.iv_call_type);
                mHolder.duration = (TextView) view.findViewById(R.id.tv_call_duration);
            }
            
            long datetime = cursor.getLong(SipCallLogs.FULL_COLUMN_INDEX_DATE);
            Calendar cal = Calendar.getInstance();
            cal.setTimeInMillis(datetime);
            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy年MM月dd日");
            SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss");
            String dateStr = dateFormat.format(cal.getTime());
            String timeStr = timeFormat.format(cal.getTime());
            
            mHolder.callDate.setText(dateStr);
            mHolder.callTime.setText(timeStr);
            int callType = cursor.getInt(SipCallLogs.FULL_COLUMN_INDEX_TYPE);
            Drawable callTypeImg = null;
            if (Calls.INCOMING_TYPE == callType) {
                callTypeImg = mContext.getResources().getDrawable(R.drawable.ic_call_type_income);
            } else if (Calls.OUTGOING_TYPE == callType) {
                callTypeImg = mContext.getResources().getDrawable(R.drawable.ic_call_type_outgo);
            } else if (Calls.MISSED_TYPE == callType) {
                callTypeImg = mContext.getResources().getDrawable(R.drawable.ic_call_type_income_miss);
            }
            mHolder.callType.setImageDrawable(callTypeImg);
            mHolder.duration.setText(formatDuration(cursor.getLong(SipCallLogs.FULL_COLUMN_INDEX_DURATION)));
            view.setTag(mHolder);
        }
        
        private String formatDuration(long elapsedSeconds) {
            long minutes = 0;
            long seconds = 0;

            if (elapsedSeconds >= 60) {
                minutes = elapsedSeconds / 60;
                elapsedSeconds -= minutes * 60;
            }
            seconds = elapsedSeconds;

            return mContext.getString(R.string.callDetailsDurationFormat, minutes, seconds);
        }
    }