class TextApapter extends ArrayAdapter{
        private Context mContext;
        private String [] mStringArray;
        public TextApapter(Context context, String[] stringArray) {
            super(context, android.R.layout.simple_spinner_item, stringArray);
            mContext = context;
            mStringArray=stringArray;
        }

        @Override
        public View getDropDownView(int position, View convertView, ViewGroup parent) {
            //修改Spinner展開後的字型顏色
            if (convertView == null) {
                LayoutInflater inflater = LayoutInflater.from(mContext);
                convertView = inflater.inflate(android.R.layout.simple_spinner_dropdown_item, parent,false);
            }

            //此處text1是Spinner預設的用來顯示文字的TextView
            TextView tv = (TextView) convertView.findViewById(android.R.id.text1);
            tv.setBackgroundColor(getResources().getColor(R.color.actionbar_background));
            tv.setText(mStringArray[position]);
            tv.setTextSize(18f);
            tv.setTextColor(Color.WHITE);
            return convertView;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // 修改Spinner選擇後結果的字型顏色
            if (convertView == null) {
                LayoutInflater inflater = LayoutInflater.from(mContext);
                convertView = inflater.inflate(android.R.layout.simple_spinner_item, parent, false);
            }

            //此處text1是Spinner預設的用來顯示文字的TextView
            TextView tv = (TextView) convertView.findViewById(android.R.id.text1);
            tv.setText(mStringArray[position]);
            tv.setTextSize(18f);
            tv.setTextColor(Color.WHITE);
            return convertView;
        }
    }