Develop Reference

SpannableStringBuilder not displaying text in Text View

I'm trying to make an array of strings individually clickable within a text view that is within a RecyclerView (each tag would pass different data, which is fetched from the api on load). I've created the string using SpannableStringBuilder as below within the bindView method.
fun bindView(link: PostsModel)
val tags = link.topics
var spans = SpannableStringBuilder()
for (tag in tags) {
val string = SpannableString(tag.name)
string.setSpan(ClickableTags(tag.name), 0, tag.name.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
spans.append(string)
}
}
Then I set it to the text view.
view.headerTags.setText(spans, TextView.BufferType.SPANNABLE)
If I println() the contents of spans and view.headerTags.text, I can see it contains a string of tags, so it seems to be working. However, when testing in the app, it's not appearing in the text view.
If I set view.headerTags.text = "Tags should appear here", it works, so I'm not sure there's a problem with the text view.
Can't see to work out why it wouldn't appear, especially if the console is printing out the contents of text view? Can anyone let me know what I might be missing here?

Please use
Spannable word2 = new SpannableString("By signing in, I agree to The xxxxx\nxxxxxxx Terms of Service and Privacy Policy.");
word2.setSpan(clickableSpan, 44, 60, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
word2.setSpan(clickableSpan1, 65, 80, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
textView.setText(word2);
textView.setMovementMethod(LinkMovementMethod.getInstance());
textView.setHighlightColor(Color.TRANSPARENT);
ClickableSpan clickableSpan = new ClickableSpan() {
#Override
public void onClick(View textView) {
Intent intent = new Intent(SignInActivity.this, ReadTermsOfServiceActivity.class);
intent.putExtra("FROM", "termsservices");
startActivity(intent);
}
#Override
public void updateDrawState(TextPaint ds) {
super.updateDrawState(ds);
ds.setUnderlineText(false);
}
};

Why onClick() Method of ClickableSpan is called twice in android

onClick method is called twice, so when back from SecondActivity.class it will again reload it. I have a TextView named postTextView in which See More is clickable.
Where:
R.string.readMore = See More.
Here is the code which I've used.
String mTitleBody = Html.fromHtml(postBodyText).toString().substring(0, 150).trim();
mTitleBody = mTitleBody.concat("..." + mContext.getResources().getString(R.string.readMore)).replaceAll("<img.+?>|<IMG.+?>", "").replaceAll("\n", "<br/>");
int index1 = Html.fromHtml(mTitleBody).toString().trim().length() -
mContext.getResources().getString(R.string.readMore).length();
int index2 = Html.fromHtml(mTitleBody).toString().trim().length();
postTextView.setTextIsSelectable(true);
postTextView.setMovementMethod(LinkMovementMethod.getInstance());
postTextView.setText(Html.fromHtml(mTitleBody), TextView.BufferType.SPANNABLE);
Spannable mySpannable = (Spannable) postTextView.getText();
ClickableSpan myClickableSpan = new ClickableSpan() {
#Override
public void onClick(View view) {
Log.d("FirstClass", "onClick");
Intent intent = new Intent(mContext, SecondActivity.class);
(mContext).startActivity(intent);
((Activity) mContext).overridePendingTransition(R.anim.slide_in_right, R.anim.slide_out_left);
}
#Override
public void updateDrawState(TextPaint ds) {
super.updateDrawState(ds);
ds.setUnderlineText(false);
ds.setColor(ContextCompat.getColor(mContext, R.color.body_text_3));
}
};
mySpannable.setSpan(myClickableSpan, index1, index2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
Can anyone help me here, Thanks in advance.

If you are using the autolink property in the TextView then you need to set the TextView to not be focusable after setting the movement method.
To do this add the following line after postTextView.setMovementMethod(LinkMovementMethod.getInstance());:
postTextView.setFocusable(false);
An explanation is in the second paragraph from the Android setMovementMethod documentation:
Sets the MovementMethod for handling arrow key movement for this
TextView. This can be null to disallow using the arrow keys to move
the cursor or scroll the view.
Be warned that if you want a TextView with a key listener or movement
method not to be focusable, or if you want a TextView without a key
listener or movement method to be focusable, you must call
View.setFocusable(boolean) again after calling this to get the
focusability back the way you want it.
Link to the documentation:
https://developer.android.com/reference/android/widget/TextView#setMovementMethod(android.text.method.MovementMethod)

I had this exact same issue, it was because I had the "autolink: true" property in the respective view, removing it helped.

set onclick on multiple links in single textview

I have a string in database that is like:
string f = "this is the first link and this is the second link"
textview1.TextFormatted = Html.FromHtml(f);
url =?
Intent i = new Intent(Android.Content.Intent.ActionView,url);
StartActivity(i);
the number of links in the string is different. I want to make all link in textview clickable and when user click on each of them, the url of that link send to another activity.

When you setText using Html.fromHtml, the '' are replaced as UrlSpans in textView.
You can get each of url spans and set clickable spans for onClick function.
Refer to this for the solution code.

I have achieved the same using SpannableStringBuilder.
Simply initialize the TextView that you want to add 2 or more listeners and then pass that to the following method that I have created:
private void customTextView(TextView view) {
SpannableStringBuilder spanTxt = new SpannableStringBuilder(
getString(R.string.read_and_accept));
spanTxt.setSpan(new ForegroundColorSpan(ContextCompat.getColor(activity, R.color.black_30)), 0,
getString(R.string.read_and_accept).length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spanTxt.append(" ");
spanTxt.append(getString(R.string.t_and_c));
spanTxt.setSpan(new ClickableSpan() {
#Override
public void onClick(View widget) {
Utils.redirectUserToUrl(activity,"http://luxit-driver-terms.tookan.in");
}
}, spanTxt.length() - getString(R.string.t_and_c).length(), spanTxt.length(), 0);
spanTxt.append(" and ");
spanTxt.setSpan(new ForegroundColorSpan(ContextCompat.getColor(activity, R.color.accent)), 48, spanTxt.length(), 0);
spanTxt.append(getString(R.string.privacy_policy));
spanTxt.setSpan(new ClickableSpan() {
#Override
public void onClick(View widget) {
Utils.redirectUserToUrl(activity,"http://luxit-driver-privacypolicy.tookan.in/");
}
}, spanTxt.length() - getString(R.string.privacy_policy).length(), spanTxt.length(), 0);
view.setMovementMethod(LinkMovementMethod.getInstance());
view.setText(spanTxt, TextView.BufferType.SPANNABLE);
}
In Xml,use android:textColorLink to add custom color for ur link text
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="text"
android:textColorLink="#000000" />

Android: Make a part of TextView's text NOT-clickable at runtime?

I used Android.text.style.ClickableSpan to make a part (Black) of a string (Blue | Black) clickable:
SpannableString spannableString = new SpannableString("Blue | Black ");
ClickableSpan clickableSpan = new ClickableSpan() {
#Override
public void onClick(View textView) {
//...
}
};
ss.setSpan(clickableSpan, 7, 11, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
TextView textView = (TextView) findViewById(R.id.secondActivity_textView4);
textView.setText(spannableString);
textView.setMovementMethod(LinkMovementMethod.getInstance());
So Black part of the string is clickable. What I want is that when the user clicks Black, it should make Black Not-clickable, and Blue (another part of the same string) clickable.
So to make Blue clickable, we can call setSpan() on the same spannableString another time. But how can I make Black not-clickable?

You can call removeSpan() to remove any previously added Spans. In this particular case it's very easy, as we hold a reference to the very Span we want to remove:
ClickableSpan clickableSpan = new ClickableSpan()
{
#Override
public void onClick(View view)
{
((SpannableString)textView.getText()).removeSpan(this);
}
};
Another option could be to iterate over all ClickableSpan instances and remove them all, such as:
SpannableString str = (SpannableString)textView.getText();
for (ClickableSpan span : str.getSpans(0, str.length(), ClickableSpan.class))
str.removeSpan(span);
For some reason that I cannot fathom, the documentation for spans is really poor... they are quite powerful!

Android listview item with multiple text creation dynamically?

I Want to create mulitple TextView dynamically in ListView item. suppose i use LinearLayout it will create textview horizontal or vertically. I want multiple textview with the wraping. How can i create like that please share your valuable ideas,
Below screen images.
Note :
Each textview have the click action
Mike voted 8 , lara voted 9 like that individual text with wraping conetxt.

I have a custom view (merge xml) that contains a text view (originally it's a more complicated view).
My custom view class like this
public class Example extends LinearLayout {
protected Context context;
protected TextView titleView;
public Example(Context context) {
super(context);
this.context = context;
LayoutInflater inflater = (LayoutInflater) `enter code here`context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.bloghu_title_layout, this, true);
this.setOrientation(LinearLayout.VERTICAL);
titleView = (TextView) getChildAt(0);
}
public void setBlogTitle(String blogTitle, final String blogUrl, String author, final String authorUrl) {
SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder();
spannableStringBuilder.append(blogTitle.toUpperCase());
spannableStringBuilder.append(" / ");
spannableStringBuilder.setSpan(new RelativeSizeSpan(1.5f), 0, blogTitle.length() + 2, 0);
spannableStringBuilder.append(author);
spannableStringBuilder.setSpan(new RelativeSizeSpan(1.2f), spannableStringBuilder.length() - author.length(), spannableStringBuilder.length(), 0);
spannableStringBuilder.setSpan(new NonUnderlineClickableSpan() {
#Override
public void onClick(View widget) {
Log.d("span", blogUrl);
}
}, 0, blogTitle.length(), 0);
spannableStringBuilder.setSpan(new NonUnderlineClickableSpan() {
#Override
public void onClick(View widget) {
Toast.makeText(context, authorUrl, Toast.LENGTH_SHORT).show();
}
}, spannableStringBuilder.length() - author.length(), spannableStringBuilder.length(), 0);
spannableStringBuilder.setSpan(new ForegroundColorSpan(context.getResources().getColor(R.color.index_orange)), 0, blogTitle.length(), 0);
spannableStringBuilder.setSpan(new ForegroundColorSpan(context.getResources().getColor(R.color.black)),
spannableStringBuilder.length() - author.length(), spannableStringBuilder.length(), 0);
titleView.setMovementMethod(LinkMovementMethod.getInstance());
titleView.setText(spannableStringBuilder, BufferType.SPANNABLE);
}
}
The NonUnderlineClickableSpan() is an extended ClickAbleSpan(), it just because I don't want to underline the clickable text, end it has an empty onclick method that you have to override:
public class NonUnderlineClickableSpan extends ClickableSpan{
#Override
public void updateDrawState(TextPaint ds) {
ds.setColor(ds.linkColor);
ds.setUnderlineText(false); // set to false to remove underline
}
#Override
public void onClick(View widget) {
// TODO Auto-generated method stub
}
As you can see in Example class you can set a new NonUnderlineClickableSpan, in its' onClick() method you can set what to happen, than you have to set the first and the last character of the clickable span, and a flag (this is the last parameter, in this case 0).
Whit ForegroundSpan you can set font color, whith relative size span you can set different text sizes, and there are a lot of span to style your text and make it interactive, but it is a very under-documented part of android.
I haven't found a good tutorial about this topic yet, so if somebody know one, pls let me know :).

What is the problem, whit textviews in linearLayout? But I think, what you really looking for is spannable string,in this case you can set the formats (colour, font size, style and what ever you want, and onClick actions for every word, and you need just one text view.