通过对js层调用函数及回调函数的包装，支持异步回调，方法参数支持js所有已知的类型

package com.ql.dev.customwebview.library.views; import android.app.Activity; import android.content.Context; import android.graphics.drawable.Drawable; import android.os.Build; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.webkit.WebSettings; import android.webkit.WebView; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import androidx.annotation.NonNull; import com.ql.dev.customwebview.library.R; import com.ql.dev.customwebview.library.dialog.UploadPopup; import com.ql.dev.customwebview.library.utils.StringUtils; /** * Created by Quanguanzhou on 2017/3/22 0022. * Copyright (c) 2015, quanguanzhou83@gmail.com All Rights Reserved. */ public class CustomWebView extends LinearLayout { private Context mContext; private View rootView; private RelativeLayout navWebView; private LinearLayout llLeftBack; private TextView tvLeftBack; private LinearLayout llLeftClose; private TextView tvLeftClose; private LinearLayout llCenter; private TextView tvCenter; public LinearLayout llRight; private TextView tvRight; private ImageView ivRight; private ProgressBar pbGress; private WebView wvWebview; private Params param; private CustomWebView(Context mContext) { super(mContext); this.mContext = mContext; } private CustomWebView(Context mContext, AttributeSet attrs) { super(mContext, attrs); this.mContext = mContext; } private CustomWebView(Context mContext, AttributeSet attrs, int defStyleAttr) { super(mContext, attrs, defStyleAttr); this.mContext = mContext; } private void initView() { LayoutInflater layoutInflater = LayoutInflater.from(mContext); rootView = (ViewGroup) layoutInflater.inflate(R.layout.custom_view_webview, this); rootView.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); navWebView = (RelativeLayout) rootView.findViewById(R.id.navWebView); llLeftBack = (LinearLayout) rootView.findViewById(R.id.llLeftBack); tvLeftBack = (TextView) rootView.findViewById(R.id.tvLeftBack); llLeftClose = (LinearLayout) rootView.findViewById(R.id.llLeftClose); tvLeftClose = (TextView) rootView.findViewById(R.id.tvLeftClose); llCenter = (LinearLayout) rootView.findViewById(R.id.llCenter); tvCenter = (TextView) rootView.findViewById(R.id.tvCenter); llRight = (LinearLayout) rootView.findViewById(R.id.llRight); tvRight = (TextView) rootView.findViewById(R.id.tvRight); ivRight = (ImageView) rootView.findViewById(R.id.ivRight); pbGress = (ProgressBar) rootView.findViewById(R.id.pbGress); wvWebview = (WebView) rootView.findViewById(R.id.wvWebview); initListener(); setPageProperty(); } private void setPageProperty() { if(param.navigationView){ if(!StringUtils.isEmpty(param.isRefresh)){ if(param.isRefresh.equals("0")) { tvRight.setVisibility(GONE); }else{ tvRight.setVisibility(VISIBLE); tvRight.setTextColor(getResources().getColor(param.rightFontColor)); if(!StringUtils.isEmpty(param.rightValue)){ tvRight.setText(param.rightValue); Drawable drawable = getResources().getDrawable(param.rightLeftPicResId); tvRight.setCompoundDrawablesWithIntrinsicBounds(drawable,null,null,null); } } } if(!StringUtils.isEmpty(param.isShowBack)){ if(param.isShowBack.equals("0")) { tvLeftBack.setVisibility(GONE); }else{ tvLeftBack.setVisibility(VISIBLE); Drawable drawable= getResources().getDrawable(param.backPic); tvLeftBack.setTextColor(getResources().getColor(param.backfontColor)); tvLeftBack.setCompoundDrawablesWithIntrinsicBounds(drawable,null,null,null); } } if(!StringUtils.isEmpty(param.isShowClose)){ if(param.isShowClose.equals("0")) { tvLeftClose.setVisibility(GONE); }else{ tvLeftClose.setVisibility(VISIBLE); tvLeftClose.setTextColor(getResources().getColor(param.closeFontColor)); } } tvCenter.setTextColor(getResources().getColor(param.centerFontColor)); navWebView.setBackgroundColor(getResources().getColor(param.backColor)); llLeftBack.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (param.onNavigationCallbackListener != null) { param.onNavigationCallbackListener.doLeftbackListener(wvWebview,param.activity); } } }); llLeftClose.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (param.onNavigationCallbackListener != null) { param.onNavigationCallbackListener.doLeftCloseListener(wvWebview,param.activity); } } }); llRight.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (param.onNavigationCallbackListener != null) { param.onNavigationCallbackListener.doRightCallbackListener(wvWebview,param.activity); } } }); tvCenter.setText(param.centerTitle); navWebView.setVisibility(VISIBLE); }else{ navWebView.setVisibility(GONE); } } private void initListener() { try { wvWebview.setWebChromeClient(new MyWebChromClient(pbGress, param.hostJsScopeClass,param.onWebViewChromListener)); //获取WebSettings对象 WebSettings settings = wvWebview.getSettings(); //设置是否启用支持javascript settings.setJavaScriptEnabled(param.javaScriptEnabled); settings.setDomStorageEnabled(param.domStorageEnabled); settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN); //页面使用了HTTPs和HTTP混合的方式 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW); } //设置缓存策略 settings.setCacheMode(param.cacheMode); wvWebview.setWebViewClient(new MyWebViewClient(param.activity,param.openBySystem,param.onWebViewClientListener)); wvWebview.setOverScrollMode(param.overScrollMode); wvWebview.loadUrl(param.url); wvWebview.setOnLongClickListener(new OnLongClickListener() { @Override public boolean onLongClick(View v) { WebView.HitTestResult result = ((WebView) v).getHitTestResult(); if (null == result) { return false; } int type = result.getType(); if(WebView.HitTestResult.IMAGE_TYPE == type){ // 长按图片弹对话框，进行保存图片 String imgurl = result.getExtra(); UploadPopup uploadPopup = doInitUploadPopup(R.id.wvWebview,imgurl); uploadPopup.setValues(false,"",false,"","保存图