[移动开发]webView加载富文本（包含文字图片啥的）

使用
mWv.loadDataWithBaseURL(“about:blank”, mUrl1, “text/html”, “utf-8”, null);
进行加载

import static android.view.View.GONE;
import static android.view.View.VISIBLE;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.util.Log;
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 android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.viewpager.widget.ViewPager;

import com.alibaba.fastjson.JSON;
import com.ruhai.yibei.Constant;
import com.ruhai.yibei.R;
import com.ruhai.yibei.adapter.HomeFragBannerAdapter;
import com.ruhai.yibei.adapter.HotServiceAdapter;
import com.ruhai.yibei.adapter.ServiceDetailAdapter;
import com.ruhai.yibei.bean.HotServiceBean;
import com.ruhai.yibei.bean.ServiceDetailBean;
import com.zhy.adapter.recyclerview.wrapper.HeaderAndFooterWrapper;

import org.xutils.common.Callback;
import org.xutils.http.RequestParams;
import org.xutils.x;

import java.util.Timer;
import java.util.TimerTask;

public class ServiceDetailWebActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener {
    private ProgressBar mPb;
    private WebView mWv;
    private WebSettings mWebSettings;
    private String mUrl = "";

    private ViewPager mVpHomeFragBanner;
    private int mBannerCount;
    private Timer mTimer;
    private boolean mVPCanPlay = true;
    private RadioGroup mRgHomeFragBanner;

    private TextView serviceNameTv;
    private TextView serviceDescTv;
    private TextView backTv;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_service_detail_web);
        mUrl = getIntent().getStringExtra("weburl");
//        https://test.winkong.pro/platformProduct/appPlatformService/service?serviceClassId=651&serviceId=1
        Log.e("wy", "onCreate mUrl: " + mUrl);
        mPb = (ProgressBar) findViewById(R.id.pb);
        mWv = (WebView) findViewById(R.id.ship_webv);
        serviceNameTv = (TextView) findViewById(R.id.service_name_tv);
        serviceDescTv = (TextView) findViewById(R.id.service_desc_tv);
        mRgHomeFragBanner = (RadioGroup) findViewById(R.id.rg_home_frag_banner);
        mVpHomeFragBanner = (ViewPager) findViewById(R.id.vp_home_frag_banner);
        backTv = (TextView) findViewById(R.id.back_tv);
        backTv.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });

        //        监听用户是否接触banner,如果是则不轮播，否则轮播
        mVpHomeFragBanner.addOnPageChangeListener(this);
        initDatas();
    }

    private void initDatas() {



        RequestParams params = new RequestParams(mUrl);
        params.addHeader("Authorization", Constant.authorization);
        params.addHeader("language", "zh_CN");
        params.setAsJsonContent(true);


        x.http().get(params, new Callback.CommonCallback<String>() {
            @SuppressLint("ResourceAsColor")
            @Override
            public void onSuccess(String result) {
                ServiceDetailBean professionInfo = JSON.parseObject(result, ServiceDetailBean.class);
                Log.e("wy", "onSuccess: " + professionInfo.getMsg());
                if (professionInfo.getCode().equals("00000000")) {
                    serviceNameTv.setText(professionInfo.getData().getServiceName());
//                    serviceDescTv.setText(professionInfo.getData().getServiceDesc());
                    webSettings();
                    webView(professionInfo.getData().getServiceDesc() + professionInfo.getData().getServiceDetail());
//                    webView("http://www.baidu.com");

                    mBannerCount = professionInfo.getData().getDetailPicUrlList().size();
                    //轮播图在集合里，从中取出轮播图
                    mVpHomeFragBanner.setAdapter(new ServiceDetailAdapter(professionInfo.getData().getDetailPicUrlList(), ServiceDetailWebActivity.this));
                    mVpHomeFragBanner.setCurrentItem(25000);
                    if (mTimer == null) {
                        mTimer = new Timer();
                        mTimer.schedule(new TimerTask() {
                            @Override
                            public void run() {
//                        mHandler.sendEmptyMessage(1);
                                runOnUiThread(new Runnable() {
                                    @Override
                                    public void run() {
                                        if (mVPCanPlay) {
                                            mVpHomeFragBanner.setCurrentItem(mVpHomeFragBanner.getCurrentItem() + 1);
                                        }

                                    }
                                });
                            }
                        }, 3000, 3000);

                    }


                } else {
                    Toast.makeText(x.app(), professionInfo.getMsg(), Toast.LENGTH_LONG).show();
                }


            }

            @Override
            public void onError(Throwable ex, boolean isOnCallback) {
                Log.e("wy", "result: " + ex.getMessage());
            }

            @Override
            public void onCancelled(CancelledException cex) {
                Toast.makeText(x.app(), "cancelled", Toast.LENGTH_LONG).show();
            }

            @Override
            public void onFinished() {

            }
        });


    }

    /**
     * webView的相关设置
     */
    private void webView(String mUrl1) {
        //为了更好的支持表单
        mWv.setFocusable(true);
        mWv.setFocusableInTouchMode(true);
        mWv.requestFocus();
        mWv.setWebViewClient(new WebViewClient() {
            //目的是要让我们应用自己来加载网页，而不是交给浏览器
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }
        });

        mWv.setWebChromeClient(new WebChromeClient() {
            @Override
            public void onProgressChanged(WebView view, int newProgress) {
                super.onProgressChanged(view, newProgress);
                mPb.setProgress(newProgress);
                mPb.setVisibility(newProgress == 100 ? GONE : VISIBLE);
            }
        });
//        mWv.loadUrl(mUrl1);
        mWv.loadDataWithBaseURL("about:blank", mUrl1, "text/html", "utf-8", null);
    }

    /**
     * web的相关设置
     */
    private void webSettings() {
        mWebSettings = mWv.getSettings();
        //让webview支持js
        mWebSettings.setJavaScriptEnabled(true);
        //设置是否支持缩放模式
        mWebSettings.setSupportZoom(true);
        mWebSettings.setBuiltInZoomControls(true);
        // 是否显示+ -
        mWebSettings.setDisplayZoomControls(false);
        mWebSettings.setDomStorageEnabled(true);
    }


    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

    }

    //    rudiobutton小点点和轮播图做关联，这是viewPager的监听
    @Override
    public void onPageSelected(int position) {
        Log.e("wy", "position: " + position + " mBannerCount:" + mBannerCount);
        if (mBannerCount != -1) {
            int realPos = position % mBannerCount;
            Log.e("wy", "onPageSelected: " + realPos);
            RadioButton childAt = (RadioButton) mRgHomeFragBanner.getChildAt(realPos);
            childAt.setChecked(true);
        }

    }

    @Override
    public void onPageScrollStateChanged(int state) {
//        判断轮播图是否被用户拖拽
        mVPCanPlay = state == ViewPager.SCROLL_STATE_IDLE;
    }
}