前言
本文主要给大家分享了Android仿网易新闻图片详情下滑隐藏效果的相关内容,分享出来供需要的朋友参考学习,下面话不多说了,来一起看看详细的介绍吧
效果图:
实例代码
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public class InfoTextView extends AutoRelativeLayout { private Context context; private int lastY; private int offY; private int MIN_HEIGHT = 600 ; public InfoTextView(Context context) { super (context); this .context = context; init(); } public InfoTextView(Context context, AttributeSet attrs) { super (context, attrs); this .context = context; init(); } public InfoTextView(Context context, AttributeSet attrs, int defStyle) { super (context, attrs, defStyle); this .context = context; init(); } private void init() { View root = inflate(context, R.layout.ad_detail_text_layout, this ); } @Override public boolean onInterceptTouchEvent(MotionEvent ev) { return true ; } @Override public boolean onTouchEvent(MotionEvent event) { return true ; } @Override public boolean dispatchTouchEvent(MotionEvent ev) { boolean isConsume = false ; int y = ( int ) ev.getY(); switch (ev.getAction()) { case MotionEvent.ACTION_DOWN: isConsume = true ; lastY = y; break ; case MotionEvent.ACTION_MOVE: offY = y - lastY; int [] screenSize = ScreenUtils.getScreenSize(context, false ); if (getTop() >= (screenSize[ 1 ] - MIN_HEIGHT)) { break ; } // Log.d("yzk", "y " + y + " getTop " + getTop() // + " getBottom " + getBottom() // + " screenSize[1] - getMeasuredHeight " + (screenSize[1] - getMeasuredHeight()) // + " screenSize[1] - MIN_HEIGHT " + (screenSize[1] - MIN_HEIGHT)); if ((offY > 0 && getTop() < screenSize[ 1 ] - MIN_HEIGHT) || offY < 0 && getTop() > screenSize[ 1 ] - getMeasuredHeight()) { layout(getLeft(), getTop() + offY, getRight(), getBottom() + offY); } break ; case MotionEvent.ACTION_UP: break ; } return isConsume || super .dispatchTouchEvent(ev); } } |
总结
以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作具有一定的参考学习价值,如果有疑问大家可以留言交流,谢谢大家对服务器之家的支持。
原文链接:https://www.jianshu.com/p/edc68bf5f9f5