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完美解决ScrollView嵌套ViewPager滑动失效和无法正常滑动冲突问题

时间:2015-01-28 21:15:08      阅读:223      评论:0      收藏:0      [点我收藏+]

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/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.baiyi.tuan.views.pulldownview;

import android.content.Context;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;
import android.widget.ScrollView;

/**
 * 完美解决ScrollView嵌套ViewPager滑动失效和无法正常滑动冲突问题
 * 
 * @author leict
 * 
 */
public class VerticalScrollView extends ScrollView {

	private GestureDetector mGestureDetector;

	public VerticalScrollView(Context context, AttributeSet attrs) {
		super(context, attrs);
		mGestureDetector = new GestureDetector(context, new YScrollDetector());
	}

	@Override
	public boolean onInterceptTouchEvent(MotionEvent ev) {
		return super.onInterceptTouchEvent(ev)
				&& mGestureDetector.onTouchEvent(ev);
	}

	class YScrollDetector extends SimpleOnGestureListener {

		@Override
		public boolean onScroll(MotionEvent e1, MotionEvent e2,
				float distanceX, float distanceY) {
			// 如果我们滚动更接近水平方向,返回false,让子视图来处理它
			return (Math.abs(distanceY) > Math.abs(distanceX));
		}
	}

}

  

完美解决ScrollView嵌套ViewPager滑动失效和无法正常滑动冲突问题

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原文地址:http://www.cnblogs.com/leichentao0905/p/4256804.html

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