webview简单互调

概述package com.example.mouth.fragment; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import andr

package com.example.mouth.fragment;

import androID.os.Bundle;
import androID.support.annotation.NonNull;
import androID.support.annotation.Nullable;
import androID.support.v4.app.Fragment;
import androID.vIEw.LayoutInflater;
import androID.vIEw.VIEw;
import androID.vIEw.VIEwGroup;
import androID.webkit.JavaScriptInterface;
import androID.webkit.JsResult;
import androID.webkit.WebChromeClIEnt;
import androID.webkit.WebResourceRequest;
import androID.webkit.WebSettings;
import androID.webkit.WebVIEw;
import androID.webkit.WebVIEwClIEnt;
import androID.Widget.button;

import com.example.mouth.R;

public class WoDeFragment extends Fragment {

    private VIEw vIEw;
    private WebVIEw webvIEw;
    private button button_wode;

    @Nullable
    @OverrIDe
    public VIEw onCreateVIEw(@NonNull LayoutInflater inflater,@Nullable VIEwGroup container,@Nullable Bundle savedInstanceState) {
        vIEw = VIEw.inflate(getActivity(),R.layout.wodefragment,null);
        return vIEw;
    }

    @OverrIDe
    public voID onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        webvIEw = vIEw.findVIEwByID(R.ID.webvIEw);
        button_wode = vIEw.findVIEwByID(R.ID.button_wode);

        button_wode.setonClickListener(new VIEw.OnClickListener() {
            @OverrIDe
            public voID onClick(VIEw v) {
                getActivity().runOnUiThread(new Runnable() {
                    @OverrIDe
                    public voID run() {
                        webvIEw.loadUrl("JavaScript:changecolor(‘#DCDCDC‘)");
                    }
                });

            }
        });

        webvIEw.loadUrl("https://abnerming8.github.io/abnerming.HTML");
        //获取设置管理器
        WebSettings settings = webvIEw.getSettings();
        //开启权限可以跟Js交互的权限
        settings.setJavaScriptEnabled(true);
        //Alertd窗需要我们开权限
        settings.setJavaScriptCanopenwindowsautomatically(true);
        //添加你和HTML5要交互的方法  参数1：是定义两边需要交互的方法  参数2：就是HTML那边的调用者
        webvIEw.addJavaScriptInterface(new TestTwo(),"androID");

        webvIEw.setWebVIEwClIEnt(new WebVIEwClIEnt() {
            @OverrIDe
            public boolean shouldOverrIDeUrlLoading(WebVIEw vIEw,WebResourceRequest request) {
                vIEw.loadUrl("https://abnerming8.github.io/abnerming.HTML");
                return super.shouldOverrIDeUrlLoading(vIEw,request);
            }
        });

        webvIEw.setWebChromeClIEnt(new WebChromeClIEnt() {
            @OverrIDe
            public boolean onjsAlert(WebVIEw vIEw,String url,String message,JsResult result) {
                return super.onjsAlert(vIEw,url,message,result);
            }
        });

    }

    private class TestTwo {
        @JavaScriptInterface
        public voID show() {
            getActivity().runOnUiThread(new Runnable() {
                @OverrIDe
                public voID run() {
                    webvIEw.loadUrl("JavaScript:toast()");
                }
            });
        }
    }
}

 

 

 

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