TextView

/**
	 * 添加表情  输入框~
	 * 
	 * @param context
	 * @param imgId
	 * @param spannableString
	 * @return
	 */
	public SpannableString addFace(Context context, int imgId,
			String spannableString) {
		if (TextUtils.isEmpty(spannableString)) {
			return null;
		}
		Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(),
				imgId);
		bitmap = Bitmap.createScaledBitmap(bitmap, 35, 35, true);
		ImageSpan imageSpan = new ImageSpan(context, bitmap);
		SpannableString spannable = new SpannableString(spannableString);
		spannable.setSpan(imageSpan, 0, spannableString.length(),
				Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
		return spannable;
	}