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This commit is contained in:
androiddevkkotlin 2020-12-21 13:43:46 +02:00
parent 1985125472
commit 1db988d2b7
1 changed files with 25 additions and 11 deletions
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36
OsmAnd/src/net/osmand/plus/wikipedia/WikipediaDialogFragment.java
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@ -28,6 +28,7 @@ import androidx.appcompat.widget.PopupMenu;
import androidx.appcompat.widget.Toolbar;
import androidx.browser.customtabs.CustomTabsIntent;
import androidx.core.content.ContextCompat;
import androidx.core.view.MotionEventCompat;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
@ -123,20 +124,33 @@ public class WikipediaDialogFragment extends WikiArticleBaseDialogFragment {
contentWebView = mainView.findViewById(R.id.content_web_view);
contentWebView.setOnTouchListener(new View.OnTouchListener() {
float initialY, finalY;
boolean isScrollingUp;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_SCROLL:
case MotionEvent.ACTION_MOVE:
readFullArticleButton.setVisibility(View.GONE);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_UP:
readFullArticleButton.setVisibility(View.VISIBLE);
break;
int action = MotionEventCompat.getActionMasked(event);
switch(action) {
case (MotionEvent.ACTION_DOWN):
initialY = event.getY();
case (MotionEvent.ACTION_UP):
finalY = event.getY();
if (initialY < finalY) {
isScrollingUp = true;
} else if (initialY > finalY) {
isScrollingUp = false;
}
default:
}
return false;
if (isScrollingUp) {
readFullArticleButton.setVisibility(View.VISIBLE);
} else {
readFullArticleButton.setVisibility(View.GONE);
}
return false;
}
});