HouseProperty/app/src/main/java/com/sl/house_property/AboutusActivity.java

package com.sl.house_property;

import android.graphics.Color;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

import com.sl.house_property.databinding.ActivityAboutusBinding;

public class AboutusActivity extends BaseActivity<ActivityAboutusBinding> {
    private ProgressBar progressBar;
    @Override
    protected int getLayoutResId() {
        return R.layout.activity_aboutus;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    //    String url="https://wy.shiningsoft.top/articlemobile/index/detail?article_id=3";
        String url="https://wy.dou1.net/articlemobile/index/detail?article_id=3";
       // String url="https://wy.dou1.net/articlemobile/index/detail?article_id=1";
        String titile=getIntent().getStringExtra("titile");
        setAbr("关于我们", new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        },0,null,0,null,0,null,"");
        // progressDialog=new ProgressDialog(NewsDetailActivity.this);
        setWebView(url);
    }

    private void setWebView(String data) {
        WebView webview = mDataBinding.fullscreenContent1;
        progressBar=mDataBinding.progressBar2;
        webview.setBackgroundColor(Color.WHITE);
        // webview.loadDataWithBaseURL(null, data, "text/html" , "utf-8", null);
        // webview.loadData(data,"text/html" ,"utf-8");
        webview.loadUrl(data);
        WebSettings webSettings = webview.getSettings();
        //如果访问的页面中要与Javascript交互，则webview必须设置支持Javascript
        webSettings.setJavaScriptEnabled(true);

        //设置自适应屏幕，两者合用
        webSettings.setUseWideViewPort(true); //将图片调整到适合webview的大小
        webSettings.setLoadWithOverviewMode(true); // 缩放至屏幕的大小
        //缩放操作
        webSettings.setSupportZoom(true); //支持缩放，默认为true。是下面那个的前提。
        webSettings.setBuiltInZoomControls(true); //设置内置的缩放控件。若为false，则该WebView不可缩放
        webSettings.setDisplayZoomControls(false); //隐藏原生的缩放控件

//其他细节操作
        webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); //关闭webview中缓存
        webSettings.setAllowFileAccess(true); //设置可以访问文件
        webSettings.setJavaScriptCanOpenWindowsAutomatically(true); //支持通过JS打开新窗口
        webSettings.setLoadsImagesAutomatically(true); //支持自动加载图片
        webSettings.setDefaultTextEncodingName("utf-8");//设置编码格式
        webSettings.setAppCachePath(getPackageCodePath()+"/myapp");
        webSettings.setAppCacheMaxSize(10000);
        //webview.loadUrl("www.baidu.com");
        webview.setWebViewClient(new WebViewClient(){
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return super.shouldOverrideUrlLoading(view, url);
            }
        });
        webview.setWebChromeClient(new WebChromeClient(){
            @Override

            public void onProgressChanged(WebView view, int newProgress) {
                if (newProgress < 100) {

                    progressBar.setProgress(newProgress);
                } else {
                    progressBar.setVisibility(View.GONE);

                }
            }


        });
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK
                && event.getAction() == KeyEvent.ACTION_DOWN) {
            if( mDataBinding.fullscreenContent1.canGoBack()){
                mDataBinding.fullscreenContent1.goBack();
            }
            else finish();
            return true;
        }

        return super.onKeyDown(keyCode, event);
    }
}