如何保持滚动的速度？ [英] how to maintain the speed of scroller?

问题描述

我有一个问题，而使用滚轮在我的申请。

我已经使用了滚动，但它不能正常工作，因为它不能够保持一致的速度，而自动滚动。文本的速度与时间越来越慢作为文本向上移动。

下面是code，我用于此目的的：

 长度= prompt_text.getLineCount（）;
Log.d（长度，+长度）;
prompt_text.setScroller（滚动）;
scroll.startScroll（0,0,0,10 *长度，100000 / speedAmount）;
 

解决方案

你试过设置滚轮插值为LinearInterpolator？
<一href=\"http://developer.android.com/reference/android/widget/Scroller.html#Scroller(android.content.Context,%20android.view.animation.Interpolator\" rel=\"nofollow\">http://developer.android.com/reference/android/widget/Scroller.html#Scroller(android.content.Context,%20android.view.animation.Interpolator)

示例：

 
yourScroller =新的滚轮（yourContext，新LinearInterpolator（））;
 

I have a problem while using the scroller in my application.

I have used the scroller but it is not working properly as it is not able to maintain a consistent speed while automatically scrolling. The speed of the text is getting slower with time as the text moves upward.

Here is the code that I used for this purpose:

length = prompt_text.getLineCount();
Log.d("length",""+length);
prompt_text.setScroller(scroll);
scroll.startScroll(0,0,0,10 * length, 100000 / speedAmount);

解决方案

Have you tried setting up the Scroller interpolator as a LinearInterpolator? http://developer.android.com/reference/android/widget/Scroller.html#Scroller(android.content.Context,%20android.view.animation.Interpolator)

Sample:

yourScroller = new Scroller(yourContext, new LinearInterpolator());

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