以后布局界面就加上CustomerScrollView这个滚动事件

package com.example.scrolldemo;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.TranslateAnimation;
import android.widget.ScrollView;

/**
 * 可以拖动的ScrollView
 *
 */
public class CustomerScrollView extends ScrollView {

	private static final int size = 4;
	private View inner;
	private float y;
	private Rect normal = new Rect();;

	public CustomerScrollView(Context context) {
		super(context);
	}

	public CustomerScrollView(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	@Override
	protected void onFinishInflate() {
		if (getChildCount() > 0) {
			inner = getChildAt(0);
		}
	}

	@SuppressLint("ClickableViewAccessibility")
	@Override
	public boolean onTouchEvent(MotionEvent ev) {
		if (inner == null) {
			return super.onTouchEvent(ev);
		} else {
			commOnTouchEvent(ev);
		}
		return super.onTouchEvent(ev);
	}

	public void commOnTouchEvent(MotionEvent ev) {
		int action = ev.getAction();
		switch (action) {
		case MotionEvent.ACTION_DOWN:
			y = ev.getY();
			break;
		case MotionEvent.ACTION_UP:
			if (isNeedAnimation()) {
				// Log.v("mlguitar", "will up and animation");
				animation();
			}
			break;
		case MotionEvent.ACTION_MOVE:
			final float preY = y;
			float nowY = ev.getY();
			/**
			 * size=4 表示 拖动的距离为屏幕的高度的1/4
			 */
			int deltaY = (int) (preY - nowY) / size;
			// 滚动
			// scrollBy(0, deltaY);

			y = nowY;
			if (isNeedMove()) {
				if (normal.isEmpty()) {
					normal.set(inner.getLeft(), inner.getTop(),
							inner.getRight(), inner.getBottom());
					return;
				}
				int yy = inner.getTop() - deltaY;

				// 移动布局
				inner.layout(inner.getLeft(), yy, inner.getRight(),
						inner.getBottom() - deltaY);
			}
			break;
		default:
			break;
		}
	}

	public void animation() {
		TranslateAnimation ta = new TranslateAnimation(0, 0, inner.getTop(),
				normal.top);
		ta.setDuration(200);
		inner.startAnimation(ta);
		inner.layout(normal.left, normal.top, normal.right, normal.bottom);
		normal.setEmpty();
	}

	public boolean isNeedAnimation() {
		return !normal.isEmpty();
	}

	public boolean isNeedMove() {
		int offset = inner.getMeasuredHeight() - getHeight();
		int scrollY = getScrollY();
		if (scrollY == 0 || scrollY == offset) {
			return true;
		}
		return false;
	}

}

 

<?xml version="1.0" encoding="utf-8"?>
<com.example.scrolldemo.CustomerScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:scrollbars="none" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >
        <TextView
            android:id="@+id/tv_version_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
             android:text="地方萨芬萨芬萨芬石佛"/>

    </LinearLayout>

</com.example.scrolldemo.CustomerScrollView>

 

比直接用Scrollview好多了