sectionindexer | 易学教程

How to Customize Alpha-Indexer While FastScrolling

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问题 I have a ListView with AlphaIndexer implementation using SectionIndexer . I was wondering that if there is anyway to customize the Aplha-Indexer box shown while fast scrolling i.e. changing its color, background, text font/color etc. Like : Edited OR, When this box is adjacent to FastScroll Thumb. like: 回答1: If you are using Theme inside your application with reference to res/val/style and it's variant styles-v11 or styles-v14 .Then you can surely achieve customize fastscroll indexer . Append

How to Customize Alpha-Indexer While FastScrolling

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I have a ListView with AlphaIndexer implementation using SectionIndexer . I was wondering that if there is anyway to customize the Aplha-Indexer box shown while fast scrolling i.e. changing its color, background, text font/color etc. Like : Edited OR, When this box is adjacent to FastScroll Thumb. like: If you are using Theme inside your application with reference to res/val/style and it's variant styles-v11 or styles-v14 .Then you can surely achieve customize fastscroll indexer . Append these attributes in your styles-v11 or styles-v14 inside your parent Theme attribute. <style name="Theme

section indexer get section for position returns 0

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问题 In my project I have class that extends ArrayAdapter<String> and implements SectionIndexer . When implementing methods getPositionForSection and getSectionForPosition I have found some strange behaviour. Why section indexer works properly when getSectionForPosition returns 0? public int getSectionForPosition(int position) { return 0; } this implementation is used in many tutorials, for example: http://androidopentutorials.com/android-listview-fastscroll/ http://www.survivingwithandroid.com

How to add a fast-scroller to the RecyclerView

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Background On ListView, you could have a fast scroller which allowed you to drag a scrollbar to easily scroll to wherever you wished (using fastScrollEnabled attribute) Together with " SectionIndexer " class and optionally some attributes, you could have a nice popup that shows as you use this scrollbar (link here ). Such a thing is shown on the contacts app so that you could scroll easily to specific letters. The problem RecyclerView doesn't seem to have any of those. Not even a fast-scroll. The question How do I add a fast scroller functionality for the RecyclerView? I stumbled on this

How to add a fast-scroller to the RecyclerView

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问题 Background On ListView, you could have a fast scroller which allowed you to drag a scrollbar to easily scroll to wherever you wished (using fastScrollEnabled attribute) Together with \"SectionIndexer\" class and optionally some attributes, you could have a nice popup that shows as you use this scrollbar (link here). Such a thing is shown on the contacts app so that you could scroll easily to specific letters. The problem RecyclerView doesn\'t seem to have any of those. Not even a fast-scroll.