Android TextView格式多个单词

原始字符串：

Lorem ## ipsum ## dolar ## sit ## atem. Lorem ipsum dolar坐## atem ##.

格式化后：

Lorem #ipsum dolar #sit atem. Lorem ipsum dolar坐#atem.

但只有最后一个有我想要的Formating.见下图.

码

private void format() {
    CharSequence text = editContent.getText();

    MovementMethod movementMethod = editContent.getMovementMethod();
    if ((movementMethod == null) || !(movementMethod instanceof LinkMovementMethod))
    {
        editContent.setMovementMethod(LinkMovementMethod.getInstance());
    }

    text = setSpanBetweenTokens(text, "##", new ForegroundColorSpan(0xFF0099FF), new UnderlineSpan(), new ClickableSpan() {
        @Override
        public void onClick(View widget) {
            Toast.makeText(getApplicationContext(), "click", Toast.LENGTH_SHORT).show();
        }
    });

    editContent.setText(text);
}

private static CharSequence setSpanBetweenTokens(CharSequence text, String token, CharacterStyle... characterStyle) {
    int tokenLen = token.length();
    int start = text.toString().indexOf(token) + 1;
    int end = text.toString().indexOf(token, start);

    while (start > -1 && end > -1)
    {
        SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
        for (CharacterStyle c : characterStyle) {
            spannableStringBuilder.setSpan(c, start, end, 0);
        }

        spannableStringBuilder.delete(end, end + tokenLen);
        spannableStringBuilder.delete(start - 1, start);

        text = spannableStringBuilder;

        start = text.toString().indexOf(token) + 1;
        end = text.toString().indexOf(token, start);
    }

    return text;
}

编辑

我的最终解决方案

private void format() {
    CharSequence text = editContent.getText();

    MovementMethod movementMethod = editContent.getMovementMethod();
    if ((movementMethod == null) || !(movementMethod instanceof LinkMovementMethod))
    {
        editContent.setMovementMethod(LinkMovementMethod.getInstance());
    }

    text = setSpanBetweenTokens(text, "##");

    editContent.setText(text);
}

private static CharSequence setSpanBetweenTokens(CharSequence text, String token) {
    int tokenLen = token.length();
    int start = text.toString().indexOf(token) + 1;
    int end = text.toString().indexOf(token, start);

    while (start > -1 && end > -1)
    {
        SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);

        spannableStringBuilder.setSpan(new ForegroundColorSpan(0xFF0099FF), start, end, 0);
        spannableStringBuilder.setSpan(new UnderlineSpan(), start, end, 0);
        spannableStringBuilder.setSpan(new ClickableSpan() {
            @Override
            public void onClick(View widget) {
                Log.d("DEBUG", "Click");
            }
        }, start, end, 0);

        spannableStringBuilder.delete(end, end + tokenLen);
        spannableStringBuilder.delete(start - 1, start);

        text = spannableStringBuilder;

        start = text.toString().indexOf(token) + 1;
        end = text.toString().indexOf(token, start);
    }

    return text;
}

解决方法:

为每个跨度传递不同的对象：

spannableStringBuilder.setSpan(c, start, end, 0);

您为每个跨度传递相同的对象：

new ForegroundColorSpan(0xFF0099FF)

当span对象存在于spannableStringBuilder中时,它仅更改边界,而不是添加新的跨度.

标签：android,spannablestring
来源： https://codeday.me/bug/20190726/1539389.html