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
您可以使用示例代码。您希望了解关于ClickableSpan的详细信息。请检查这份文件
SpannableString myString = new SpannableString("This is example");
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View textView) {
ToastUtil.show(getContext(),"Clicked Smile ");
}
};
//For Click
myString.setSpan(clickableSpan,startIndex,lastIndex,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
//For UnderLine
myString.setSpan(new UnderlineSpan(),startIndex,lastIndex,0);
//For Bold
myString.setSpan(new StyleSpan(Typeface.BOLD),startIndex,lastIndex,0);
//Finally you can set to textView.
TextView textView = (TextView) findViewById(R.id.txtSpan);
textView.setText(myString);
textView.setMovementMethod(LinkMovementMethod.getInstance());
其他回答
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());
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)
大胆的,
mySpannable.setSpan(new StyleSpan(Typeface.BOLD),termStart,termStop,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
这里有一个Kotlin解决方案,与本地化工作得更好:
data class LinkedText(@StringRes val textRes: Int, val clickListener: View.OnClickListener? = null)
fun TextView.setPartiallyLinkedText(vararg texts: LinkedText) {
this.text = texts.joinToString(" ") { context.getString(it.textRes) }
val spannableString = SpannableString(this.text)
var startIndexOfLink = -1
texts.forEach { text ->
val string = context.getString(text.textRes)
if (text.clickListener != null) {
val clickableSpan = object : ClickableSpan() {
override fun updateDrawState(textPaint: TextPaint) {
textPaint.color = textPaint.linkColor
textPaint.isUnderlineText = true
}
override fun onClick(view: View) {
Selection.setSelection((view as TextView).text as Spannable, 0)
view.invalidate()
text.clickListener.onClick(view)
}
}
startIndexOfLink = this.text.toString().indexOf(string, startIndexOfLink + 1)
spannableString.setSpan(
clickableSpan, startIndexOfLink, startIndexOfLink + string.length,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
)
}
}
this.movementMethod = LinkMovementMethod.getInstance()
this.setText(spannableString, TextView.BufferType.SPANNABLE)
}
像这样使用它:
textView.setPartiallyLinkedText(
LinkedText(R.string.not_linked_text),
LinkedText(R.string.linked_text) {
Toast.makeText(context, "You clicked", Toast.LENGTH_LONG).show()
},
)
这是java爱好者的Boom Check:D 我们可以根据自己的需要进行修改:
List<Pair<String, View.OnClickListener>> pairsList = new ArrayList<>();
pairsList.add(new Pair<>("38,50", v -> {
Intent intent = new Intent(SignUpActivity.this, WebActivity.class);
intent.putExtra("which", "tos");
startActivity(intent);
}));
pairsList.add(new Pair<>("81,95", v -> {
Intent intent = new Intent(SignUpActivity.this, WebActivity.class);
intent.putExtra("which", "policy");
startActivity(intent);
}));
makeLinks(pairsList); // Method calling
private void makeLinks(List<Pair<String, View.OnClickListener>> pairsList) {
SpannableString ss = new SpannableString(By signing up, I’m agree to PAKRISM’s Terms of Use and confirms that I have read Privacy Policy);
for (Pair<String, View.OnClickListener> pair : pairsList) {
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void onClick(View textView) {
//Toast.makeText(MyApplication.getAppContext(), "Clicked!", Toast.LENGTH_SHORT).show();
pair.second.onClick(textView);
}
@Override
public void updateDrawState(TextPaint ds) {
ds.linkColor = ContextCompat.getColor(SignUpActivity.this, R.color.primary_main);
ds.setUnderlineText(true);
super.updateDrawState(ds);
}
};
String[] indexes = pair.first.split(",");
ss.setSpan(clickableSpan, Integer.parseInt(indexes[0]), Integer.parseInt(indexes[1]), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
TextView tv = findViewById(R.id.txtView);
tv.setText(ss);
tv.setMovementMethod(LinkMovementMethod.getInstance());
}