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在Android中,可以使用以下方法来格式化CharSequence:
- 使用String.format()方法:
CharSequence str = "Hello"; String formattedStr = String.format("Formatted string: %s", str);
- 使用StringBuilder类:
CharSequence str = "World"; StringBuilder builder = new StringBuilder(); builder.append("Formatted string: "); builder.append(str); String formattedStr = builder.toString();
- 使用SpannableStringBuilder类来添加格式化样式:
CharSequence str = "Android"; SpannableStringBuilder builder = new SpannableStringBuilder(); builder.append("Formatted string: "); SpannableString spannableStr = new SpannableString(str); spannableStr.setSpan(new ForegroundColorSpan(Color.RED), 0, str.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); builder.append(spannableStr); CharSequence formattedStr = builder;