Android WebView 报 Not allowed to load local resource错误的解决办法

package com.yzq.hybridapp_selectandshowimg.view; import android.content.Context; import android.os.Bundle; import android.util.AttributeSet; import android.widget.LinearLayout; import android.widget.ProgressBar; import com.tencent.smtt.export.external.interfaces.WebResourceRequest; import com.tencent.smtt.export.external.interfaces.WebResourceResponse; import com.tencent.smtt.sdk.WebChromeClient; import com.tencent.smtt.sdk.WebSettings; import com.tencent.smtt.sdk.WebView; import com.tencent.smtt.sdk.WebViewClient; import com.yzq.hybridapp_selectandshowimg.Tool.L; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.util.Map; /** * Created by yzq on 2017/7/1. * <p> * x5webView 封装 带进度条 */ public class ProgressWebView extends WebView { private ProgressBar mProgressBar; public ProgressWebView(Context context) { super(context); initWebView(context); } public ProgressWebView(Context context, AttributeSet attributeSet) { super(context, attributeSet); initWebView(context); } public ProgressWebView(Context context, AttributeSet attributeSet, int i) { super(context, attributeSet, i); initWebView(context); } public ProgressWebView(Context context, AttributeSet attributeSet, int i, boolean b) { super(context, attributeSet, i, b); initWebView(context); } public ProgressWebView(Context context, AttributeSet attributeSet, int i, Map<String, Object> map, boolean b) { super(context, attributeSet, i, map, b); initWebView(context); } /*初始化webView*/ private void initWebView(Context context) { /*添加进度条*/ mProgressBar = new ProgressBar(context, null, android.R.attr.progressBarStyleHorizontal); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, 8); mProgressBar.setLayoutParams(layoutParams); mProgressBar.setProgress(0); addView(mProgressBar); /*设置Settings*/ final WebSettings webSetting = this.getSettings(); webSetting.setJavaScriptEnabled(true);//开启js脚本 webSetting.setAllowFileAccess(true);//是否允许访问文件 webSetting.setSupportZoom(true);//是否支持缩放 webSetting.setBuiltInZoomControls(true);//是否显示缩放控制栏 /*初始化webClient*/ setWebViewClient(new WebViewClient() { @Override public WebResourceResponse shouldInterceptRequest(WebView webView, WebResourceRequest webResourceRequest) { FileInputStream input; String url = webResourceRequest.getUrl().toString(); L.i("拦截的url："+url); String key = "http://androidimg"; /*如果请求包含约定的字段 说明是要拿本地的图片*/ if (url.contains(key)) { String imgPath = url.replace(key, ""); L.i("本地图片路径：" + imgPath.trim()); try { /*重新构造WebResourceResponse 将数据已流的方式传入*/ input = new FileInputStream(new File(imgPath.trim())); WebResourceResponse response = new WebResourceResponse("image/jpg", "UTF-8", input); /*返回WebResourceResponse*/ return response; } catch (FileNotFoundException e) { e.printStackTrace(); } } return super.shouldInterceptRequest(webView, webResourceRequest); } @Override public boolean shouldOverrideUrlLoading(WebView webView, String s) { webView.loadUrl(s); return super.shouldOverrideUrlLoading(webView, s); } }); setWebChromeClient(new WebChromeClient() { @Override public void onReceivedTitle(WebView webView, String s) { super.onReceivedTitle(webView, s); } @Override public void onProgressChanged(WebView webView, int i) { super.onProgressChanged(webView, i); if (i == 100) { mProgressBar.setVisibility(GONE); } else { if (mProgressBar.getVisibility() == GONE) mProgressBar.setVisibility(VISIBLE); mProgressBar.setProgress(i); } } }); } }