android X5Webview的封装

腾讯x5webview sdk : x5.tencent.com/docs/access…

package com.win.project.widget;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;

import com.blankj.utilcode.util.LogUtils;
import com.tencent.smtt.export.external.interfaces.SslError;
import com.tencent.smtt.export.external.interfaces.SslErrorHandler;
import com.tencent.smtt.sdk.CookieSyncManager;
import com.tencent.smtt.sdk.DownloadListener;
import com.tencent.smtt.sdk.WebChromeClient;
import com.tencent.smtt.sdk.WebSettings;
import com.tencent.smtt.sdk.WebSettings.LayoutAlgorithm;
import com.tencent.smtt.sdk.WebView;
import com.tencent.smtt.sdk.WebViewClient; 


public class X5WebView extends WebView {


    private WebViewClient client = new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(final WebView view, final String url) {
            //todo : 这里可以做一些广告拦截   判断url并加拦截规则  true 拦截该url  false 不拦截 
            return false;
        }

        @Override
        public void onReceivedSslError(WebView webView, SslErrorHandler sslErrorHandler, SslError sslError) {
            sslErrorHandler.proceed();//接受信任所有网站的证书
            super.onReceivedSslError(webView, sslErrorHandler, sslError);
        }

    };
    private WebChromeClient chromeClient = new WebChromeClient() {
    };

    @SuppressLint("SetJavaScriptEnabled")
    public X5WebView(Context context, AttributeSet arg1) {
        super(context, arg1);
        setWebViewClient(client);
        setWebChromeClient(chromeClient);
        initWebViewSettings(context);
        getView().setClickable(true);
        getView().setOverScrollMode(View.OVER_SCROLL_ALWAYS);
    }

    private void initWebViewSettings(final Context context) {
        WebSettings webSetting = this.getSettings();
        webSetting.setDefaultTextEncodingName("UTF-8");
        webSetting.setJavaScriptEnabled(true);
        webSetting.setJavaScriptCanOpenWindowsAutomatically(true);
        webSetting.setAllowFileAccess(true);
        webSetting.setLayoutAlgorithm(LayoutAlgorithm.NARROW_COLUMNS);
        webSetting.setSupportZoom(true);

        webSetting.setAllowUniversalAccessFromFileURLs(true);
        webSetting.setAllowFileAccess(true);
        webSetting.setAllowFileAccessFromFileURLs(true);
        webSetting.setBuiltInZoomControls(true);
        webSetting.setUseWideViewPort(true);
        webSetting.setSupportMultipleWindows(false);
        webSetting.setAppCacheEnabled(false);
        webSetting.setDomStorageEnabled(true);
        webSetting.setGeolocationEnabled(true);
        webSetting.setAppCacheMaxSize(Long.MAX_VALUE);
        webSetting.setNeedInitialFocus(true); //当webview调用requestFocus时为webview设置节点
        webSetting.setAppCachePath(context.getDir("appcache", 0).getPath());
        webSetting.setDatabasePath(context.getDir("databases", 0).getPath());
        webSetting.setGeolocationDatabasePath(context.getDir("geolocation", 0).getPath());
        // 关于是否缩放
        webSetting.setDisplayZoomControls(false);
        webSetting.setLoadsImagesAutomatically(true);  //支持自动加载图片
        webSetting.setPluginState(WebSettings.PluginState.ON_DEMAND);
        webSetting.setCacheMode(WebSettings.LOAD_NO_CACHE);
        if (Build.VERSION.SDK_INT >= 21) {
            webSetting.setMixedContentMode(android.webkit.WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
        }
        setDownloadListener(new DownloadListener() {
            @Override
            public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
                // 监听下载功能，当用户点击下载链接的时候，直接调用系统的浏览器来下载
                Uri uri = Uri.parse(url);
                Intent intent = new Intent(Intent.ACTION_VIEW, uri);
                context.startActivity(intent);
            }
        });

        if (getX5WebViewExtension() != null) {
            Bundle data = new Bundle();
            data.putBoolean("standardFullScreen", false);// true表示标准全屏，false表示X5全屏；不设置默认false，
            data.putBoolean("supportLiteWnd", false);// false：关闭小窗；true：开启小窗；不设置默认true，
            data.putInt("DefaultVideoScreen", 2);// 1：以页面内开始播放，2：以全屏开始播放；不设置默认：1
            getX5WebViewExtension().invokeMiscMethod("setVideoParams", data);
        }
        CookieSyncManager.createInstance(context);
        CookieSyncManager.getInstance().sync();
    }


    @SuppressLint("SetJavaScriptEnabled")
    public X5WebView(Context arg0) {
        this(arg0, null);
    }


//    @Override
//    public boolean onKeyDown(int keyCode, KeyEvent event) {
//        if (keyCode == KeyEvent.KEYCODE_BACK && canGoBack()) {
//            goBack();
//            return true;
//        }
//        return super.onKeyDown(keyCode, event);
//    }


}