Listview: Textview with Linkmovementmethod Makes List Item Unclickable

ListView: TextView with LinkMovementMethod makes list item unclickable?

There are THREE show-stoppers in this situation. The root reason is that when you call setMovementMethod or setKeyListener, TextView "fixes" it's settings:

setFocusable(true);
setClickable(true);
setLongClickable(true);

The first problem is that when a View is clickable - it always consumes ACTION_UP event (it returns true in onTouchEvent(MotionEvent event)).

To fix that you should return true in that method only if the user actually clicks the URL.

But the LinkMovementMethod doesn't tell us, if the user actually clicked a link. It returns "true" in it's onTouch if the user clicks the link, but also in many other cases.

So, actually I did a trick here:

public class TextViewFixTouchConsume extends TextView {

boolean dontConsumeNonUrlClicks = true;
boolean linkHit;

public TextViewFixTouchConsume(Context context) {
super(context);
}

public TextViewFixTouchConsume(Context context, AttributeSet attrs) {
super(context, attrs);
}

public TextViewFixTouchConsume(
Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
public boolean onTouchEvent(MotionEvent event) {
linkHit = false;
boolean res = super.onTouchEvent(event);

if (dontConsumeNonUrlClicks)
return linkHit;
return res;

}

public void setTextViewHTML(String html)
{
CharSequence sequence = Html.fromHtml(html);
SpannableStringBuilder strBuilder =
new SpannableStringBuilder(sequence);
setText(strBuilder);
}

public static class LocalLinkMovementMethod extends LinkMovementMethod{
static LocalLinkMovementMethod sInstance;

public static LocalLinkMovementMethod getInstance() {
if (sInstance == null)
sInstance = new LocalLinkMovementMethod();

return sInstance;
}

@Override
public boolean onTouchEvent(TextView widget,
Spannable buffer, MotionEvent event) {
int action = event.getAction();

if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();

x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();

x += widget.getScrollX();
y += widget.getScrollY();

Layout layout = widget.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);

ClickableSpan[] link = buffer.getSpans(
off, off, ClickableSpan.class);

if (link.length != 0) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
}

if (widget instanceof TextViewFixTouchConsume){
((TextViewFixTouchConsume) widget).linkHit = true;
}
return true;
} else {
Selection.removeSelection(buffer);
Touch.onTouchEvent(widget, buffer, event);
return false;
}
}
return Touch.onTouchEvent(widget, buffer, event);
}
}
}

You should call somewhere

textView.setMovementMethod(
TextViewFixTouchConsume.LocalLinkMovementMethod.getInstance()
);

to set this MovementMethod for the textView.

This MovementMethod raises a flag in TextViewFixTouchConsume if user actually hits link.
(only in ACTION_UP and ACTION_DOWN events) and TextViewFixTouchConsume.onTouchEvent returns true only if user actually hit link.

But that's not all!!!!
The third problem is that ListView (AbsListView) calls it's performClick method (that calls onItemClick event handler) ONLY if ListView's item view has no focusables.
So, you need to override

@Override
public boolean hasFocusable() {
return false;
}

in a view that you add to ListView.
(in my case that is a layout that contains textView)

or you can use setOnClickLIstener for that view.
The trick is not very good, but it works.

ListView with TextView autoLink not receiving OnItemClickListener

Try adding android:descendantFocusability="blocksDescendants" to the root view in your row layout. I've done some testing with this and it seems to work.

ListView setOnItemClickListener Does Not Trigger When An Item Has a Link In It

You probably want to take a look at babay's answer on ListView: TextView with LinkMovementMethod makes list item unclickable?

He presents a TextView that issues this problem basically by introducing a different LinkMovementMethod:

public static class LocalLinkMovementMethod extends LinkMovementMethod{
static LocalLinkMovementMethod sInstance;

public static LocalLinkMovementMethod getInstance() {
if (sInstance == null)
sInstance = new LocalLinkMovementMethod();

return sInstance;
}

@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();

if (action == MotionEvent.ACTION_UP ||
action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();

x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();

x += widget.getScrollX();
y += widget.getScrollY();

Layout layout = widget.getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);

ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);

if (link.length != 0) {
if (action == MotionEvent.ACTION_UP) {
link[0].onClick(widget);
} else if (action == MotionEvent.ACTION_DOWN) {
Selection.setSelection(buffer,
buffer.getSpanStart(link[0]),
buffer.getSpanEnd(link[0]));
}

if (widget instanceof TextViewFixTouchConsume){
((TextViewFixTouchConsume) widget).linkHit = true;
}
return true;
} else {
Selection.removeSelection(buffer);
Touch.onTouchEvent(widget, buffer, event);
return false;
}
}
return Touch.onTouchEvent(widget, buffer, event);
}
}

Solution NOT TESTED

Based on it, I advice you to fix the file TwitterLinkify.java (the function that sets the link movement) like this:

private static final void addLinkMovementMethod(TextView t) {
MovementMethod m = t.getMovementMethod();

if ((m == null) || !(m instanceof LocalLinkMovementMethod)) {
if (t.getLinksClickable()) {
t.setMovementMethod(LocalLinkMovementMethod.getInstance());
}
}
}

Thanks



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