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Code Issues Releases Wiki Activity

Merge pull request #37 from ammargitham/bugfix/fix-stories-horizontal-scroll-issue

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Fix horizontal drag on stories scrolls tabs instead of stories
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Austin Huang 2020-08-07 14:01:16 -04:00 committed by GitHub
commit 6f0c9e98ad
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1 changed files with 46 additions and 27 deletions
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73
app/src/main/java/awais/instagrabber/customviews/RemixDrawerLayout.java
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@ -27,7 +27,9 @@ import awais.instagrabber.R;
public final class RemixDrawerLayout extends MouseDrawer implements MouseDrawer.DrawerListener { public final class RemixDrawerLayout extends MouseDrawer implements MouseDrawer.DrawerListener {
private final FrameLayout frameLayout; private final FrameLayout frameLayout;
private View drawerView; private View drawerView;
private RecyclerView scroll, feedPosts; private RecyclerView highlightsList;
private RecyclerView feedPosts;
private RecyclerView feedStories;
private float startX; private float startX;
public RemixDrawerLayout(@NonNull final Context context) { public RemixDrawerLayout(@NonNull final Context context) {
@ -91,37 +93,54 @@ public final class RemixDrawerLayout extends MouseDrawer implements MouseDrawer.
} }
// thanks to Fede @ https://stackoverflow.com/questions/6920137/android-viewpager-and-horizontalscrollview/7258579#7258579 // thanks to Fede @ https://stackoverflow.com/questions/6920137/android-viewpager-and-horizontalscrollview/7258579#7258579
if (scroll == null) scroll = findViewById(R.id.highlightsList); if (highlightsList == null) highlightsList = findViewById(R.id.highlightsList);
if (scroll != null) { if (highlightsList != null) {
final boolean touchIsInRecycler = x >= scroll.getLeft() && x < scroll.getRight() final Boolean result = handleHorizontalRecyclerView(ev, highlightsList);
&& y >= scroll.getTop() && scroll.getBottom() > y; if (result != null) {
return result;
if (touchIsInRecycler) { }
final int action = ev.getActionMasked(); }
if (feedStories == null) feedStories = findViewById(R.id.feedStories);
if (action == MotionEvent.ACTION_CANCEL) return super.onInterceptTouchEvent(ev); if (feedStories != null) {
final Boolean result = handleHorizontalRecyclerView(ev, feedStories);
if (action == MotionEvent.ACTION_DOWN) startX = x; if (result != null) {
else if (action == MotionEvent.ACTION_MOVE) { return result;
final int scrollRange = scroll.computeHorizontalScrollRange();
final int scrollOffset = scroll.computeHorizontalScrollOffset();
final boolean scrollable = scrollRange > scroll.getWidth();
final boolean draggingFromRight = startX > x;
if (scrollOffset < 1) {
if (!scrollable) return super.onInterceptTouchEvent(ev);
else if (!draggingFromRight) return super.onInterceptTouchEvent(ev);
} else if (scrollable && draggingFromRight && scrollRange - scrollOffset == scroll.computeHorizontalScrollExtent()) {
return super.onInterceptTouchEvent(ev);
}
return false;
}
} }
} }
return super.onInterceptTouchEvent(ev); return super.onInterceptTouchEvent(ev);
} }
private Boolean handleHorizontalRecyclerView(@NonNull final MotionEvent ev, final RecyclerView view) {
final float x = ev.getX();
final float y = ev.getY();
final boolean touchIsInRecycler = x >= view.getLeft() && x < view.getRight()
&& y >= view.getTop() && view.getBottom() > y;
if (touchIsInRecycler) {
final int action = ev.getActionMasked();
if (action == MotionEvent.ACTION_CANCEL) return super.onInterceptTouchEvent(ev);
if (action == MotionEvent.ACTION_DOWN) startX = x;
else if (action == MotionEvent.ACTION_MOVE) {
final int scrollRange = view.computeHorizontalScrollRange();
final int scrollOffset = view.computeHorizontalScrollOffset();
final boolean scrollable = scrollRange > view.getWidth();
final boolean draggingFromRight = startX > x;
if (scrollOffset < 1) {
if (!scrollable) return super.onInterceptTouchEvent(ev);
else if (!draggingFromRight) return super.onInterceptTouchEvent(ev);
} else if (scrollable && draggingFromRight && scrollRange - scrollOffset == view.computeHorizontalScrollExtent()) {
return super.onInterceptTouchEvent(ev);
}
return false;
}
}
return null;
}
@Override @Override
public void onDrawerSlide(@NonNull final View view, @EdgeGravity final int gravity, final float slideOffset) { public void onDrawerSlide(@NonNull final View view, @EdgeGravity final int gravity, final float slideOffset) {
drawerView = view; drawerView = view;