我有文本“Android是一个软件堆栈”。在这个文本中,我想设置“堆栈”文本为可点击。所以,如果你点击它,它将重定向到一个新的活动(不在浏览器中)。
我试过了,但没有找到解决办法。
我有文本“Android是一个软件堆栈”。在这个文本中,我想设置“堆栈”文本为可点击。所以,如果你点击它,它将重定向到一个新的活动(不在浏览器中)。
我试过了,但没有找到解决办法。
当前回答
t= (TextView) findViewById(R.id.PP1);
t.setText(Html.fromHtml("<bThis is normal text </b>" +
"<a href=\"http://www.xyz-zyyx.com\">This is cliclable text</a> "));
t.setMovementMethod(LinkMovementMethod.getInstance());
其他回答
这是一个kotlin扩展(不工作,如果文本重复)
textView.makeTextClickable(
contentText = "Hello world",
clickableText = "world",
isBoldText = true,
onClick = {
openPageInBrowser(BuildConfig.PRIVACY_POLICY_URL)
}
)
internal fun TextView.makeTextClickable(
contentText: String,
clickableText: String,
onClick: () -> Unit,
isUnderlineText: Boolean = false,
isBoldText: Boolean = false
) {
val spannableString = SpannableString(contentText)
val clickableSpan = object : ClickableSpan() {
override fun onClick(widget: View) {
onClick()
}
override fun updateDrawState(ds: TextPaint) {
super.updateDrawState(ds)
ds.isUnderlineText = isUnderlineText
ds.isFakeBoldText = isBoldText
}
}
val clickableTextStartIndex = text.indexOf(clickableText)
val clickableTextEndIndex = clickableTextStartIndex + clickableText.length
spannableString.setSpan(
clickableSpan,
clickableTextStartIndex,
clickableTextEndIndex,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
)
this.text = spannableString
this.movementMethod = LinkMovementMethod.getInstance()
}
大胆的,
mySpannable.setSpan(new StyleSpan(Typeface.BOLD),termStart,termStop,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
Phan Van Linh回答的版本。
请注意它有一些小的改动。
fun makeLinks(textView: TextView, links: Array<String>, clickableSpans: Array<ClickableSpan>) {
val spannableString = SpannableString(textView.text)
for (i in links.indices) {
val clickableSpan = clickableSpans[i]
val link = links[i]
val startIndexOfLink = textView.text.indexOf(link)
spannableString.setSpan(clickableSpan, startIndexOfLink, startIndexOfLink + link.length,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
}
textView.movementMethod = LinkMovementMethod.getInstance()
textView.setText(spannableString, TextView.BufferType.SPANNABLE)
}
fun setupClickableTextView() {
val termsOfServicesClick = object : ClickableSpan() {
override fun onClick(p0: View?) {
Toast.makeText(applicationContext, "ToS clicked", Toast.LENGTH_SHORT).show()
}
}
val privacyPolicyClick = object : ClickableSpan() {
override fun onClick(p0: View?) {
Toast.makeText(applicationContext, "PP clicked", Toast.LENGTH_SHORT).show()
}
}
makeLinks(termsTextView, arrayOf("terms", "privacy policy"), arrayOf(termsOfServicesClick, privacyPolicyClick))
}
提供的解决方案相当不错。然而,我通常使用更简单的解决方案。
这是一个linkify效用函数
/**
* Method is used to Linkify words in a TextView
*
* @param textView TextView who's text you want to change
* @param textToLink The text to turn into a link
* @param url The url you want to send the user to
*/
fun linkify(textView: TextView, textToLink: String, url: String) {
val pattern = Pattern.compile(textToLink)
Linkify.addLinks(textView, pattern, url, { _, _, _ -> true })
{ _, _ -> "" }
}
使用这个函数非常简单。这里有一个例子
// terms and privacy
val tvTerms = findViewById<TextView>(R.id.tv_terms)
val tvPrivacy = findViewById<TextView>(R.id.tv_privacy)
Utils.linkify(tvTerms, resources.getString(R.string.terms),
Constants.TERMS_URL)
Utils.linkify(tvPrivacy, resources.getString(R.string.privacy),
Constants.PRIVACY_URL)
kotlin中更通用的答案
fun setClickableText(view: TextView, firstSpan: String, secondSpan: String) {
val context = view.context
val builder = SpannableStringBuilder()
val unClickableSpan = SpannableString(firstSpan)
val span = SpannableString(" "+secondSpan)
builder.append(unClickableSpan);
val clickableSpan: ClickableSpan = object : ClickableSpan() {
override fun onClick(textView: View) {
val intent = Intent(context, HomeActivity::class.java)
context.startActivity(intent)
}
override fun updateDrawState(ds: TextPaint) {
super.updateDrawState(ds)
ds.isUnderlineText = true
ds.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.ITALIC));
}
}
builder.append(span);
builder.setSpan(clickableSpan, firstSpan.length, firstSpan.length+secondSpan.length+1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
view.setText(builder,TextView.BufferType.SPANNABLE)
view.setMovementMethod(LinkMovementMethod.getInstance());
}