handle onPageSelected called twice on every page change

2017-12-17 11:46:41 +01:00 · 2017-12-17 11:46:41 +01:00 · 8843a4a006
parent 9751daa8af
commit 8843a4a006
1 changed files with 8 additions and 5 deletions
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt
@ -860,11 +860,14 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
        if (view_pager.offscreenPageLimit == 1) {
            view_pager.offscreenPageLimit = 2
        }
-        mPos = position
-        updateActionbarTitle()
-        mRotationDegrees = 0f
-        supportInvalidateOptionsMenu()
-        scheduleSwipe()
+
+        if (mPos != position) {
+            mPos = position
+            updateActionbarTitle()
+            mRotationDegrees = 0f
+            supportInvalidateOptionsMenu()
+            scheduleSwipe()
+        }
    }

    override fun onPageScrollStateChanged(state: Int) {