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2014/10/16 ¤W¤È 08:20:49
android Programming Glossary: onscrollhttp://stackoverflow.com/questions/1080811/android-endless-list items etc. to the ListAdapter at a convenient state in its onScroll method. The following ListActivity shows a list of integers.. adapter getListView .setOnScrollListener this public void onScroll AbsListView view int firstVisible int visibleCount int totalCount.. any other amount adapter.notifyDataSetChanged public void onScrollStateChanged AbsListView v int s class Aleph0 extends BaseAdapter..
android maps: How to Long Click a Map? http://stackoverflow.com/questions/1678493/android-maps-how-to-long-click-a-map onGestureListener.onLongPress e @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY.. distanceY if onGestureListener null onGestureListener.onScroll e1 e2 distanceX distanceY return false @Override public void..
Android: How to detect when a scroll has ended http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended How to detect when a scroll has ended I am using the onScroll method of GestureDetector.SimpleOnGestureListener to scroll.. return fairly constant values around 0.25 until the final onScroll call when the pressure seems to fall to about 0.13. I suppose.. e handleSingleTap e return true @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY..
Android: How to detect double-tap? http://stackoverflow.com/questions/2217670/android-how-to-detect-double-tap TODO Auto generated method stub @Override public boolean onScroll MotionEvent arg0 MotionEvent arg1 float arg2 float arg3 TODO..
Android - HorizontalScrollView within ScrollView Touch Handling http://stackoverflow.com/questions/2646028/android-horizontalscrollview-within-scrollview-touch-handling extends SimpleOnGestureListener @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY..
How can we create iPhone-like spinners in android? http://stackoverflow.com/questions/2909249/how-can-we-create-iphone-like-spinners-in-android window.pageYOffset 'px' this.calculateSlotsWidth onScroll function e this.swWrapper.style.top window.innerHeight window.pageYOffset..
Lazy Load images on Listview in android(Beginner Level)? [duplicate] http://stackoverflow.com/questions/2912054/lazy-load-images-on-listview-in-androidbeginner-level this getListView .setOnScrollListener this public void onScroll AbsListView view int firstVisibleItem int visibleItemCount int.. int visibleItemCount int totalItemCount public void onScrollStateChanged AbsListView view int scrollState switch scrollState..
Fast Scroll display problem with ListAdapter and SectionIndexer http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer int pos.top int pos.right int pos.bottom public void onScrollStateChanged AbsListView view int scrollState public void onScroll.. AbsListView view int scrollState public void onScroll AbsListView view int firstVisibleItem int visibleItemCount int..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android new SimpleOnGestureListener @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY.. return mGD.onTouchEvent event While OnGestureListener.onScroll calls directly View.scrollBy for the onFling method you'll need..
How can I change the OverScroll color in Android 2.3.1? http://stackoverflow.com/questions/5897909/how-can-i-change-the-overscroll-color-in-android-2-3-1 extends SimpleOnGestureListener @Override public boolean onScroll MotionEvent downMotionEvent MotionEvent currentMotionEvent float..
Implementation of onScrollListener to detect the end of scrolling in a ListView http://stackoverflow.com/questions/6358428/implementation-of-onscrolllistener-to-detect-the-end-of-scrolling-in-a-listview of onScrollListener to detect the end of scrolling in a ListView I've a.. ListView . Accordingly to the Android api reference the onScroll method will be called after the scroll has completed . This.. has completed I perform my actions on the ListView the onScroll method returns the index of the first item displayed and the..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments @Override public void onPause super.onPause public void onScroll AbsListView arg0 int firstVisible int visibleCount int totalCount.. can now be set again canSet true if loadMore public void onScrollStateChanged AbsListView arg0 int state switch state case OnScrollListener.SCROLL_STATE_FLING..
http://stackoverflow.com/questions/1080811/android-endless-list implement an OnScrollListener and make changes like adding items etc. to the ListAdapter at a convenient state in its onScroll method. The following ListActivity shows a list of integers starting with 40 adding items when the user scrolls to the end.. super.onCreate savedInstanceState setListAdapter adapter getListView .setOnScrollListener this public void onScroll AbsListView view int firstVisible int visibleCount int totalCount boolean loadMore maybe add a padding firstVisible visibleCount.. totalCount if loadMore adapter.count visibleCount or any other amount adapter.notifyDataSetChanged public void onScrollStateChanged AbsListView v int s class Aleph0 extends BaseAdapter int count 40 starting amount public int getCount return..
android maps: How to Long Click a Map? http://stackoverflow.com/questions/1678493/android-maps-how-to-long-click-a-map void onLongPress MotionEvent e if onGestureListener null onGestureListener.onLongPress e @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY if onGestureListener null onGestureListener.onScroll e1 e2.. onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY if onGestureListener null onGestureListener.onScroll e1 e2 distanceX distanceY return false @Override public void onShowPress MotionEvent e if onGestureListener null onGestureListener.onShowPress..
Android: How to detect when a scroll has ended http://stackoverflow.com/questions/2089552/android-how-to-detect-when-a-scroll-has-ended How to detect when a scroll has ended I am using the onScroll method of GestureDetector.SimpleOnGestureListener to scroll a large bitmap on a canvas. When the scroll has ended I want.. the value 2 so that is no help. e2.getPressure seems to return fairly constant values around 0.25 until the final onScroll call when the pressure seems to fall to about 0.13. I suppose I could detect this reduction in pressure but this will be.. @Override public boolean onSingleTapConfirmed MotionEvent e handleSingleTap e return true @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY i'm only scrolling along the X axis mIsScrolling true handleScroll..
Android: How to detect double-tap? http://stackoverflow.com/questions/2217670/android-how-to-detect-double-tap false @Override public void onLongPress MotionEvent arg0 TODO Auto generated method stub @Override public boolean onScroll MotionEvent arg0 MotionEvent arg1 float arg2 float arg3 TODO Auto generated method stub return false @Override public void..
Android - HorizontalScrollView within ScrollView Touch Handling http://stackoverflow.com/questions/2646028/android-horizontalscrollview-within-scrollview-touch-handling if we're scrolling in the x direction class YScrollDetector extends SimpleOnGestureListener @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY if Math.abs distanceY Math.abs distanceX return true return..
How can we create iPhone-like spinners in android? http://stackoverflow.com/questions/2909249/how-can-we-create-iphone-like-spinners-in-android e window.scrollTo 0 0 this.swWrapper.style.top window.innerHeight window.pageYOffset 'px' this.calculateSlotsWidth onScroll function e this.swWrapper.style.top window.innerHeight window.pageYOffset 'px' lockScreen function e @@ 113 9 111 9 @@ Create..
Lazy Load images on Listview in android(Beginner Level)? [duplicate] http://stackoverflow.com/questions/2912054/lazy-load-images-on-listview-in-androidbeginner-level savedInstanceState setListAdapter new EfficientAdapter this getListView .setOnScrollListener this public void onScroll AbsListView view int firstVisibleItem int visibleItemCount int totalItemCount public void onScrollStateChanged AbsListView.. this public void onScroll AbsListView view int firstVisibleItem int visibleItemCount int totalItemCount public void onScrollStateChanged AbsListView view int scrollState switch scrollState case OnScrollListener.SCROLL_STATE_IDLE mBusy false int..
Fast Scroll display problem with ListAdapter and SectionIndexer http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer pos.top mOverlayHeight mOverlayDrawable.setBounds int pos.left int pos.top int pos.right int pos.bottom public void onScrollStateChanged AbsListView view int scrollState public void onScroll AbsListView view int firstVisibleItem int visibleItemCount.. pos.top int pos.right int pos.bottom public void onScrollStateChanged AbsListView view int scrollState public void onScroll AbsListView view int firstVisibleItem int visibleItemCount int totalItemCount if totalItemCount visibleItemCount 0 mDragging..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android onTouchEvent GestureDetector mGD new GestureDetector getContext new SimpleOnGestureListener @Override public boolean onScroll MotionEvent e1 MotionEvent e2 float distanceX float distanceY beware it can scroll to infinity scrollBy int distanceX.. work @Override public boolean onTouchEvent MotionEvent event return mGD.onTouchEvent event While OnGestureListener.onScroll calls directly View.scrollBy for the onFling method you'll need a Scroller . Scroller is a simple object that as reference..
How can I change the OverScroll color in Android 2.3.1? http://stackoverflow.com/questions/5897909/how-can-i-change-the-overscroll-color-in-android-2-3-1 0 private class ListViewGestureDetector extends SimpleOnGestureListener @Override public boolean onScroll MotionEvent downMotionEvent MotionEvent currentMotionEvent float distanceX float distanceY float distanceTraveled downMotionEvent.getY..
Implementation of onScrollListener to detect the end of scrolling in a ListView http://stackoverflow.com/questions/6358428/implementation-of-onscrolllistener-to-detect-the-end-of-scrolling-in-a-listview of onScrollListener to detect the end of scrolling in a ListView I've a ListView displaying some items. I'd like to perform some operation.. thus I thought to implements the OnScrollListener of the ListView . Accordingly to the Android api reference the onScroll method will be called after the scroll has completed . This seems to me right what I needed as once the scroll has completed.. . This seems to me right what I needed as once the scroll has completed I perform my actions on the ListView the onScroll method returns the index of the first item displayed and the number of items displayed . But once implemented I see from..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments inflater menu.clear inflater.inflate R.menu.activity menu @Override public void onPause super.onPause public void onScroll AbsListView arg0 int firstVisible int visibleCount int totalCount boolean loadMore maybe add a padding firstVisible visibleCount.. visibleCount totalCount visibleCount if away startLoad can now be set again canSet true if loadMore public void onScrollStateChanged AbsListView arg0 int state switch state case OnScrollListener.SCROLL_STATE_FLING adapter.setLoad false lastState..
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