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
对于那些正在寻找Kotlin解决方案的人来说,这里是对我有用的:
private fun setupTermsAndConditions() {
val termsAndConditions = resources.getString(R.string.terms_and_conditions)
val spannableString = SpannableString(termsAndConditions)
val clickableSpan = object : ClickableSpan() {
override fun onClick(widget: View) {
if (checkForWifiAndMobileInternet()) {
// binding.viewModel!!.openTermsAndConditions()
showToast("Good, open the link!!!")
} else {
showToast("Cannot open this file because of internet connection!")
}
}
override fun updateDrawState(textPaint : TextPaint) {
super.updateDrawState(textPaint)
textPaint.color = resources.getColor(R.color.colorGrey)
textPaint.isFakeBoldText = true
}
}
spannableString.setSpan(clickableSpan, 34, 86, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
binding.tvTermsAndConditions.text = spannableString
binding.tvTermsAndConditions.movementMethod = LinkMovementMethod.getInstance()
binding.tvTermsAndConditions.setHighlightColor(Color.TRANSPARENT);
}
其他回答
它对文本的某些部分的可点击部分非常有帮助。
点是正则表达式中的一个特殊字符。如果你想要分隔圆点,需要将圆点转义为\\。而不是仅仅将"."传递给可扩展的文本方法。或者,也可以使用正则表达式[。在Java中通过一个点来分隔字符串。
android.text.style.ClickableSpan可以解决你的问题。
SpannableString ss = new SpannableString("Android is a Software stack");
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View textView) {
startActivity(new Intent(MyActivity.this, NextActivity.class));
}
@Override
public void updateDrawState(TextPaint ds) {
super.updateDrawState(ds);
ds.setUnderlineText(false);
}
};
ss.setSpan(clickableSpan, 22, 27, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView textView = (TextView) findViewById(R.id.hello);
textView.setText(ss);
textView.setMovementMethod(LinkMovementMethod.getInstance());
textView.setHighlightColor(Color.TRANSPARENT);
在XML:
<TextView
...
android:textColorLink="@drawable/your_selector"
/>
使用URLSpan类获取url
val spans: Array<URLSpan> = result.getSpans(0, result.length, URLSpan::class.java)
方法
fun TextView.createClickable(string: String, action:(String)->Unit ) {
text = HtmlCompat.fromHtml(string, HtmlCompat.FROM_HTML_MODE_LEGACY)
val result = SpannableString(text)
val spans = result.getSpans(0, result.length, URLSpan::class.java)
for (span in spans) {
val link:Pair<String, View.OnClickListener> = Pair(span.url, View.OnClickListener {
action(span.url)
})
val start = result.getSpanStart(span)
val end = result.getSpanEnd(span)
val flags = result.getSpanFlags(span)
result.removeSpan(span)
val clickableSpan: ClickableSpan = object : ClickableSpan() {
override fun onClick(textView: View) {
textView.invalidate()
link.second.onClick(textView)
}
override fun updateDrawState(textPaint: TextPaint) {
super.updateDrawState(textPaint)
textPaint.isUnderlineText = false
}
}
result.setSpan(clickableSpan, start, end, flags)
this.movementMethod = LinkMovementMethod.getInstance()
this.setText(result, TextView.BufferType.SPANNABLE)
}
}
Use
示例文本:Android是一个软件堆栈,它非常棒
包装你的可点击的文本内锚标签
比如:Android是一个软件<a href='https://example.com/stack'> Stack </a>和它' <a href='https://example.com/awesome'> Awesome </a>。
val str = "Android is a Software <a href='https://example.com/stack'> Stack </a> and it' <a href='https://example.com/awesome'> Awesome </a>."
textView.createClickable(str) {
when(it) {
"https://example.com/stack"->{
startActivity(Intent(this,StackActivity::class.java))
}
"https://example.com/awesom"->{
startActivity(Intent(this,AwesomeActivity::class.java))
}
}
}
这是一个Kotlin方法,使TextView的部分可点击:
private fun makeTextLink(textView: TextView, str: String, underlined: Boolean, color: Int?, action: (() -> Unit)? = null) {
val spannableString = SpannableString(textView.text)
val textColor = color ?: textView.currentTextColor
val clickableSpan = object : ClickableSpan() {
override fun onClick(textView: View) {
action?.invoke()
}
override fun updateDrawState(drawState: TextPaint) {
super.updateDrawState(drawState)
drawState.isUnderlineText = underlined
drawState.color = textColor
}
}
val index = spannableString.indexOf(str)
spannableString.setSpan(clickableSpan, index, index + str.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
textView.text = spannableString
textView.movementMethod = LinkMovementMethod.getInstance()
textView.highlightColor = Color.TRANSPARENT
}
它可以被多次调用,在TextView中创建几个链接:
makeTextLink(myTextView, str, false, Color.RED, action = { Log.d("onClick", "link") })
makeTextLink(myTextView, str1, true, null, action = { Log.d("onClick", "link1") })
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());