安卓：表情键盘无法获得的表情光标适配器上工作 [英] Android: Emoticon Keyboard unable to get emoticon working on cursor adapter

问题描述

我使用这个表情键盘。在该项目中笔者使用 BaseAdapter （<一个href=\"https://github.com/chiragjain/Emoticons-Keyboard/blob/master/src/com/learn/testdifferentkeyboard/EmoticonsGridAdapter.java\"相对=nofollow>链接到code ）呈现在列表视图中选择表情符号。但是，对于我的应用程序正在使用的CursorAdapter ，这是唯一的区别。

I am using this Emoticon Keyboard. In the project author is using BaseAdapter (link to code) to render selected emoticons on list view. But for my application I am using CursorAdapter and this is the only difference.

一切工作正常，我可以显示表情图标弹出，选择表情和他们得到显示在的EditText 。有荫​​的问题是，在我的应用程序，我有发送按钮，当我点击上，表情没有得到列表视图渲染（使用光标适配器），当然我必须失去了一些东西。

Everything is working fine, I can display emoticon popup, select emoticons and they get displayed in EditText. The problem Iam having is that in my app, I have Send button and when I click on that, emoticons don't get rendered on the list view (using cursor adapter), naturally I must be missing something.

从<一个href=\"https://github.com/chiragjain/Emoticons-Keyboard/blob/master/src/com/learn/testdifferentkeyboard/MainActivity.java\"相对=nofollow>作者的主要的例子活动，我怀疑这是哪里的表情被读出并在显示的EditText：

From the main example activity of author, I suspect this is where emoticons are read and displayed in EditText:

@Override
public void keyClickedIndex(final String index) {

  ImageGetter imageGetter = new ImageGetter() {
    public Drawable getDrawable(String source) {
      StringTokenizer st = new StringTokenizer(index, ".");
      Drawable d = new BitmapDrawable(getResources(),
          emoticons[Integer.parseInt(st.nextToken()) - 1]);
      d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
      return d;
    }
  };

  Spanned cs = Html.fromHtml("<img src ='" + index + "'/>", imageGetter,
      null);

  int cursorPosition = content.getSelectionStart();
  content.getText().insert(cursorPosition, cs);

}

我试图做同样的事情在我的光标适配器，但不是表情，一个奇怪的字符显示出来，这是我的code为我的的CursorAdapter ：

public class MessageListAdapter extends CursorAdapter {    
    Context context;
    private Bitmap[] emoticons;
    private static final int NO_OF_EMOTICONS = 120;

    private void readEmoticons() {
        emoticons = new Bitmap[NO_OF_EMOTICONS];

        for (short i = 0; i < NO_OF_EMOTICONS; i++) {
            emoticons[i] = getImage((i + 1) + ".png");
        }

    }

    @SuppressWarnings("deprecation")
    public MessageListAdapter(Context context, Cursor cursor) {
        super(context, cursor);
        this.context = context;
    }

    // bind views from db data for fields
    @SuppressLint("InflateParams")
    @Override
    public void bindView(View view, final Context context, Cursor cursor) {

        final int index = cursor.getPosition();

        TextView lblDated = (TextView) view
                .findViewById(R.id.lblDatedMessageList);

        TextView lblTo = (TextView) view.findViewById(R.id.lblToMessageList);

        lblDated.setText(Functions.getPrettyTime(cursor.getString(7)));

        String message = cursor.getString(5);

        readEmoticons();

        ImageGetter imageGetter = new ImageGetter() {
            public Drawable getDrawable(String source) {
                StringTokenizer st = new StringTokenizer("" + index, ".");

                Drawable d = new BitmapDrawable(context.getResources(),
                        emoticons[Integer.parseInt(st.nextToken()) - 1]);

                d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());

                return d;
            }
        };

        Spanned spanned = Html.fromHtml(message, imageGetter, null);
        lblTo.setText(spanned);

    }

    /**
     * For loading smileys from assets
     */
    private Bitmap getImage(String path) {
        AssetManager mngr = context.getAssets();
        InputStream in = null;

        try {
            in = mngr.open("emoticons/" + path);
        } catch (Exception e) {
            e.printStackTrace();
        }

        Bitmap temp = BitmapFactory.decodeStream(in, null, null);
        return temp;
    }
}

可能是我做的不对以上笔者不同的与baseadapter 。或者可能是应该有跨区的东西...

May be I am doing above wrong unlike author with baseadapter. Or may be there should be some conversion between Spanned stuff...

因此​​，为了简化问题，我怎么获得上呈现的的CursorAdapter 表情符号代替 BaseAdapter （不像作者）？

So to simplify question, how do I get emoticons rendered on CursorAdapter instead of BaseAdapter (unlike author) ?

当你看到我已经提供了例如code链接，你就会明白我的意思。

When you look at links with example code I have provided, you will know what I mean.

您的帮助将大大AP preciated。谢谢

Your help will be greatly appreciated. Thanks

推荐答案

我觉得储蓄跨越数据库可能会有一些错误。使用保存跨区串

I think there might be some error in saving spanned to database. Save spanned string using

String htmlString = Html.toHtml(spannedText);

和使用取回从数据库中的相同字符串

and get back the same string from database using

Spanned cs = Html.fromHtml(htmlString, imageGetter, null);

和还

删除 readEmoticons（）从 bindView（..）并调用它的构造函数生成 imageGetter 全球，并在构造函数初始化。

remove readEmoticons() from bindView(..) and call it in constructor make imageGetter global and initialize it in constructor.

希望这本书能解决你的问题。谢谢...

Hope it will solve your problem. Thanks...

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