android webview 去掉多点触控 去掉放大缩小

import android.content.Context;import android.util.AttributeSet;import android.view.MotionEvent;import android.webkit.WebView;public class MyWebView extends WebView{public MyWebView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);// TODO Auto-generated constructor stub}public MyWebView(Context context, AttributeSet attrs) {super(context, attrs);// TODO Auto-generated constructor stub}public MyWebView(Context context) {super(context);// TODO Auto-generated constructor stub}@Overridepublic boolean zoomIn() {// TODO Auto-generated method stubreturn false;}@Overridepublic boolean zoomOut() {// TODO Auto-generated method stubreturn false;}@Overridepublic boolean onTouchEvent(MotionEvent event) {if (event.getPointerCount()==1) {return super.onTouchEvent(event);}else {return false;}}@Override@Deprecatedpublic boolean canZoomIn() {// TODO Auto-generated method stubreturn false;}@Override@Deprecatedpublic boolean canZoomOut() {// TODO Auto-generated method stubreturn false;}}

android webview 去掉多点触控  去掉放大缩小。