正如标题所说,我想知道是否有可能在单个textview元素中实现两个不同颜色的字符。
当前回答
if (Build.VERSION.SDK_INT >= 24) {
Html.fromHtml(String, flag) // for 24 API and more
} else {
Html.fromHtml(String) // or for older API
}
用于24个API及以上(标志)
public static final int FROM_HTML_MODE_COMPACT = 63;
public static final int FROM_HTML_MODE_LEGACY = 0;
public static final int FROM_HTML_OPTION_USE_CSS_COLORS = 256;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_BLOCKQUOTE = 32;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_DIV = 16;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_HEADING = 2;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_LIST = 8;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_LIST_ITEM = 4;
public static final int FROM_HTML_SEPARATOR_LINE_BREAK_PARAGRAPH = 1;
public static final int TO_HTML_PARAGRAPH_LINES_CONSECUTIVE = 0;
public static final int TO_HTML_PARAGRAPH_LINES_INDIVIDUAL = 1;
更多信息
其他回答
最好使用strings文件中的字符串,如下所示:
<string name="some_text">
<![CDATA[
normal color <font color=\'#06a7eb\'>special color</font>]]>
</string>
用法:
textView.text=HtmlCompat.fromHtml(getString(R.string.some_text), HtmlCompat.FROM_HTML_MODE_LEGACY)
你可以在没有HTML的情况下打印多种颜色的行:
TextView textView = (TextView) findViewById(R.id.mytextview01);
Spannable word = new SpannableString("Your message");
word.setSpan(new ForegroundColorSpan(Color.BLUE), 0, word.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
textView.setText(word);
Spannable wordTwo = new SpannableString("Your new message");
wordTwo.setSpan(new ForegroundColorSpan(Color.RED), 0, wordTwo.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
textView.append(wordTwo);
尽可能使用SpannableBuilder类而不是HTML格式,因为它比HTML格式解析更快。 在Github上查看我自己的基准测试“SpannableBuilder vs HTML” 谢谢!
试试这个:
mBox = new TextView(context);
mBox.setText(Html.fromHtml("<b>" + title + "</b>" + "<br />" +
"<small>" + description + "</small>" + "<br />" +
"<small>" + DateAdded + "</small>"));
芬兰湾的科特林回答
fun setTextColor(tv:TextView, startPosition:Int, endPosition:Int, color:Int){
val spannableStr = SpannableString(tv.text)
val underlineSpan = UnderlineSpan()
spannableStr.setSpan(
underlineSpan,
startPosition,
endPosition,
Spanned.SPAN_INCLUSIVE_EXCLUSIVE
)
val backgroundColorSpan = ForegroundColorSpan(this.resources.getColor(R.color.agreement_color))
spannableStr.setSpan(
backgroundColorSpan,
startPosition,
endPosition,
Spanned.SPAN_INCLUSIVE_EXCLUSIVE
)
val styleSpanItalic = StyleSpan(Typeface.BOLD)
spannableStr.setSpan(
styleSpanItalic,
startPosition,
endPosition,
Spanned.SPAN_INCLUSIVE_EXCLUSIVE
)
tv.text = spannableStr
}
之后,调用上述函数。你可以拨打多个电话:
setTextColor(textView, 0, 61, R.color.agreement_color)
setTextColor(textView, 65, 75, R.color.colorPrimary)
输出: 你可以看到下划线和不同的颜色。
推荐文章
- 警告:API ' variable . getjavacompile()'已过时,已被' variable . getjavacompileprovider()'取代
- 安装APK时出现错误
- 碎片中的onCreateOptionsMenu
- TextView粗体通过XML文件?
- 如何使线性布局的孩子之间的空间?
- DSL元素android.dataBinding。enabled'已过时,已被'android.buildFeatures.dataBinding'取代
- ConstraintLayout:以编程方式更改约束
- PANIC: AVD系统路径损坏。检查ANDROID_SDK_ROOT值
- 如何生成字符串类型的buildConfigField
- Recyclerview不调用onCreateViewHolder
- Android API 21工具栏填充
- Android L中不支持操作栏导航模式
- 如何在TextView中添加一个子弹符号?
- PreferenceManager getDefaultSharedPreferences在Android Q中已弃用
- 在Android Studio中创建aar文件