在 android 中创建超链接文本视图

我想做一个文本视图文本如 谷歌的链接。有没有什么方法可以把它们联系起来。(即)点击 Google 这个单词时，应该打开适当的链接。任何想法都欢迎。

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use android:autoLink="web" in your TextView's xml. It should automatically convert urls click-able (if found in text)

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最佳答案

Try this, and let me know what happen..

Using java code:

TextView textView =(TextView)findViewById(R.id.textView);
textView.setClickable(true);
textView.setMovementMethod(LinkMovementMethod.getInstance());
String text = "<a href='http://www.google.com'> Google </a>";
textView.setText(Html.fromHtml(text));

From API level >= 24 onwards Html.fromHtml(String source) is deprecated instead use fromHtml(String, int),

textView.setText(Html.fromHtml(text, Html.FROM_HTML_MODE_COMPACT));

Or in layout xml file, inside your TextView widget attributes

android:autoLink="web"
android:linksClickable="true"
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All tested and working 100%
Solution: android:autoLink="web"
below is a complete example

Sample Layout Xml

    <TextView
android:id="@+id/txtLostpassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:autoLink="email"
android:gravity="center"
android:padding="20px"
android:text="@string/lostpassword"
android:textAppearance="?android:attr/textAppearanceSmall" />


<TextView
android:id="@+id/txtLostpassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:autoLink="web"
android:gravity="center"
android:padding="20px"
android:text="@string/defaultpassword"
android:textAppearance="?android:attr/textAppearanceSmall" />

String in string.xml 

<string name="lostpassword">If you lost your password please contact <a href="mailto:support@cleverfinger.com.au?Subject=Lost%20Password" target="_top">support@cleverfinger.com.au</a></string>


<string name="defaultpassword">User Guide <a href="http://www.cleverfinger.com.au/user-guide/">http://www.cleverfinger.com.au/user-guide/</a></string>
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This can also be done by using the default property of Textview 

android:autoLink="email"
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Note :- Html.fromHtml is deprecated in Android N

You need to do check and support Android N and higher versions of Android

                  //Set clickable true
tagHeading.setClickable(true);
                 

//Handlle click event
tagHeading.setMovementMethod(LinkMovementMethod.getInstance());


if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
tagHeading.setText(Html.fromHtml("<a href='https://github.com/hiteshsahu'>https://github.com/hiteshsahu</a>", Html.FROM_HTML_MODE_LEGACY));
} else {
tagHeading.setText(Html.fromHtml("<a href='https://github.com/hiteshsahu'>https://github.com/hiteshsahu</a>"));
}

Alternatively

You can don't want to id programmatically add autoLink flag on TextView.

android:autoLink="web"

android:linksClickable="true"

This way You don't need to add <a href='somelink'> tags.

Which is a disadvantage, if you want to add hyperlink on a text you can't do it this way. eg you can't do something like this:- [hiteshsahu][1]

           <TextView
android:id="@+id/tag_info"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/tag_ll"
android:layout_gravity="left"
android:layout_margin="10dp"
android:autoLink="web"
android:linksClickable="true"
android:text="https://github.com/hiteshsahu"
android:textColor="@color/secondary_text" />

The result from both approach:-

https://github.com/hiteshsahu

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For Latest version of SDK fromHtml is deprecated Use below line 

String yourtext = "<a style='text-decoration:underline' href='http://www.sample.com'> Sample Website </a>";
if (Build.VERSION.SDK_INT >= 24) {
textView.setText(Html.fromHtml(yourtext, Html.FROM_HTML_MODE_LEGACY));
} else {
textView.setText(Html.fromHtml(yourtext));
}
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I have made a following extension function of a textview.

@SuppressLint("SetTextI18n")
fun TextView.makeHyperLink(url: String) {
text = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
Html.fromHtml("<a href='${url}'>${text}</a>", Html.FROM_HTML_MODE_COMPACT)
} else {
Html.fromHtml("<a href='${url}'>${text}</a>")
}
movementMethod = LinkMovementMethod.getInstance()
isClickable = true
}

and calling it like this

tvTos.makeHyperLink(tos_url)

You can also pass text as a parameter.


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