webView使用内部浏览器加载网页

效果图

方式一：

核心代码

package com.ican.subjects.activity;

import android.app.ProgressDialog;
import android.view.KeyEvent;
import android.webkit.WebChromeClient;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.ican.subjects.R;
import com.ican.subjects.base.BaseActivity;

/**
 * 创建者     涂文远
 * 创建时间   2016/8/31 16:10
 * 描述	      ${TODO}
 * 

 * 更新者     $Author$
 * 更新时间   $Date$
 * 更新描述   ${TODO}
 */
public class WebViewActivity extends BaseActivity {
    private WebView mWebView;
    private ProgressDialog mProgressDialog;

    @Override
    public int getLayout() {
        return R.layout.activity_webview;
    }

    @Override
    protected void initView() {
        mWebView = (WebView) findViewById(R.id.blog_detail_webview);
        mProgressDialog = new ProgressDialog(this);
        mProgressDialog.setIcon(R.mipmap.ic_launcher);
        mProgressDialog.setTitle( "进度对话框" );
        mProgressDialog.setMessage( "玩命下载中...." );
        // 设置对话框的样式为水平
        mProgressDialog.setProgressStyle(ProgressDialog. STYLE_HORIZONTAL);
        mProgressDialog.setMax(100);
        mProgressDialog.show();

        mWebView.setWebViewClient(new WebViewClient(){
            /*@Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl("http://www.2000df.com");
                return true;
            }*/

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
                view.loadUrl("http://www.2000df.com");
                return true;
            }
        });
    }

    @Override
    protected void initData() {
        mWebView.setWebChromeClient(new MyWebChromeClient());
        WebSettings settings = mWebView.getSettings();
        settings.setJavaScriptEnabled(true);
        settings.setJavaScriptCanOpenWindowsAutomatically(true);
        settings.setUseWideViewPort(true);//设置此属性，可任意比例缩放
        settings.setLoadWithOverviewMode(true);
        settings.setBuiltInZoomControls(true);
        settings.setSupportZoom(true);


        // User settings
        /*if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            if (0 != (getApplicationInfo().flags &= ApplicationInfo.FLAG_DEBUGGABLE)) {
                WebView.setWebContentsDebuggingEnabled(true);
            }
        }
        settings.setJavaScriptEnabled(true);	//设置webview支持javascript
        settings.setLoadsImagesAutomatically(true);	//支持自动加载图片
        settings.setUseWideViewPort(true);	//设置webview推荐使用的窗口，使html界面自适应屏幕
        settings.setLoadWithOverviewMode(true);
        settings.setSaveFormData(true);	//设置webview保存表单数据
        settings.setSavePassword(true);	//设置webview保存密码
        settings.setDefaultZoom(WebSettings.ZoomDensity.MEDIUM);	//设置中等像素密度，medium=160dpi
        settings.setSupportZoom(true);	//支持缩放

        CookieManager.getInstance().setAcceptCookie(true);

        if (Build.VERSION.SDK_INT > 8) {
            settings.setPluginState(WebSettings.PluginState.ON_DEMAND);
        }

        // Technical settings
        settings.setSupportMultipleWindows(true);
        mWebView.setLongClickable(true);
        mWebView.setScrollbarFadingEnabled(true);
        mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        mWebView.setDrawingCacheEnabled(true);

        settings.setAppCacheEnabled(true);
        settings.setDatabaseEnabled(true);
        settings.setDomStorageEnabled(true);*/

        mWebView.loadUrl("http://www.2000df.com");
    }

    private class MyWebChromeClient extends WebChromeClient {
        @Override
        public void onProgressChanged(WebView view, int newProgress) {

            if (newProgress == 100) {
                //Toast.makeText(WebViewActivity.this, "加载完成", Toast.LENGTH_SHORT).show();
                mProgressDialog.dismiss();
                //progress.setVisibility(View.GONE);
            } else {
                /*if (progress.getVisibility() == View.GONE)
                    progress.setVisibility(View.VISIBLE);
                progress.setProgress(newProgress);*/
                mProgressDialog.setProgress(newProgress);
            }
            super.onProgressChanged(view, newProgress);
        }
    }

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

方式二：

核心代码

package com.xuecheyi.activity;

import android.annotation.SuppressLint;
import android.app.Dialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Build;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.LinearLayout;

import com.xuecheyi.BaseActivity;
import com.xuecheyi.mb.R;
import com.xuecheyi.utils.Constant;
import com.xuecheyi.utils.DialogUtil;
import com.xuecheyi.utils.LogUtil;
import com.xuecheyi.utils.SPUtils;
import com.xuecheyi.views.TitleManager;
import com.xuecheyi.views.XCYJavascriptInterface;

import org.json.JSONObject;

@SuppressLint("SetJavaScriptEnabled")
public class LoadZTWebViewActivity extends BaseActivity implements
		OnClickListener {
	private WebView mWebview;
	private WebSettings settings;
	private String titleStr, urlPath, path, adPath;
	private String mType;
	private Dialog loadDialog;
	private LinearLayout title_back_ll;
	private XCYJavascriptInterface mXCYJavascriptInterface;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_zt_protocol);
		findViews();
		init();
	}

	@Override
	protected void onRestart() {
		super.onRestart();
		if(Constant.IsFromLogin) {
			findViews();
			init();
			Constant.IsFromLogin = false;
		}
	}

	public void initCS() {
		if (Build.VERSION.SDK_INT >= 19) {
			mWebview.getSettings().setLoadsImagesAutomatically(true);
		} else {
			mWebview.getSettings().setLoadsImagesAutomatically(false);
		}
	}
	private class MyWebViewClient extends WebViewClient {
		@Override
		public boolean shouldOverrideUrlLoading(WebView view, String url) {
			if (url.indexOf("tel:") < 0) {// 页面上有数字会导致连接电话
				view.loadUrl(url);
			}
			return true;
		}
	}

	@Override
	public void findViews() {
		title_back_ll = (LinearLayout) findViewById(R.id.title_back_ll);
		// TODO Auto-generated method stub
		mWebview = (WebView) findViewById(R.id.mWebview);
		settings = mWebview.getSettings();
		settings.setJavaScriptEnabled(true);
		settings.setJavaScriptCanOpenWindowsAutomatically(true);
		mXCYJavascriptInterface = new XCYJavascriptInterface(mWebview,this);
		mWebview.addJavascriptInterface(mXCYJavascriptInterface,
				"XCYAndroid");
		// 设置webview缓存
		settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
		//initCS();
	}

	@Override
	public void init() {
		// TODO Auto-generated method stub
		loadDialog = DialogUtil.getLoadingDialog(this);
		titleStr = getIntent().getStringExtra("titleStr");
		mType = getIntent().getStringExtra("type");
		path = getIntent().getStringExtra("path");
		adPath = getIntent().getStringExtra("adPath");
		if (mType != null && mType.equals("DriverSchool")) {
			String jxId = getIntent().getStringExtra("jxId");
			urlPath = Constant.BASE_WEBVIEW_PATH + "jx_detail.html?jxId="
					+ jxId;
			mWebview.loadUrl(urlPath);
		} else if (mType != null && mType.equals("DriverTeacher")) {
			String jlId = getIntent().getStringExtra("jlId");
			urlPath = Constant.BASE_WEBVIEW_PATH + "jl_detail.html?jlId="
					+ jlId;
			mWebview.loadUrl(urlPath);
		} else if (mType != null && mType.equals("FAQ")) {
			settings.setCacheMode(WebSettings.LOAD_DEFAULT);
			urlPath = Constant.BASE_WEBVIEW_PATH + "FAQ.html";
			mWebview.loadUrl(urlPath);
		}
		TitleManager.showTitleByBack(this, null, titleStr, R.string.title_back,
				0, this);
		if (null != path) {
			urlPath = "file:///android_asset/html/" + path;
			mWebview.loadUrl(urlPath);
		}
		if (null != adPath) {
			urlPath = adPath+"&token="+getToken();
			//urlPath = adPath;
			mWebview.loadUrl(urlPath);
		}
		LogUtil.e("####", "##显示网址##" + urlPath);
		mWebview.setWebViewClient(new MyWebViewClient());
		mWebview.setWebViewClient(new WebViewClient() {
			@Override
			public void onPageStarted(WebView view, String url, Bitmap favicon) {
				// TODO Auto-generated method stub
				loadDialog.show();
			}

			@Override
			public void onPageFinished(WebView view, String url) {
				loadDialog.dismiss();
			}
		});
		mWebview.setWebChromeClient(new WebChromeClient() {
			@Override
			public boolean onJsAlert(WebView view, String url, String message,
									 JsResult result) {
				// TODO Auto-generated method stub
				return super.onJsAlert(view, url, message, result);
			}
		});
	}

	public String getToken() {
		String token = (String) SPUtils.get(this, Constant.UserInfo.USER_TOKEN, "");
		LogUtil.e("####", "token:" + token);
		if (token != null && !token.equals("")) {
			return token;
		} else {
			return "";
		}
	}
	@Override
	public void setListener() {
		// TODO Auto-generated method stub

	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.title_back_ll:
			if (path != null && path.equals("splash")) {
				Intent intent = new Intent(LoadZTWebViewActivity.this,
						MainActivity.class);
				startActivity(intent);
				LoadZTWebViewActivity.this.finish();
			} else {
				LoadZTWebViewActivity.this.finish();
			}
			break;
		}

	}

	@Override
	public void onRecvData(String type, JSONObject response) {
		// TODO Auto-generated method stub

	}

	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK) {
			if (path != null && path.equals("splash")) {
				Intent intent = new Intent(LoadZTWebViewActivity.this,
						MainActivity.class);
				startActivity(intent);
				LoadZTWebViewActivity.this.finish();
			} else {
				if (mWebview.canGoBack()) {
					mWebview.goBack();
					return true;
				} else {
					finish();
				}
			}
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}

	@Override
	protected void onPause() {
		super.onPause();
		mWebview.onPause();
	}

	@Override
	protected void onResume() {
		super.onResume();
		mWebview.onResume();
	}
}