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Crosswalk基本用法示例(Demo)

博客转载请标明出处:http://blog.csdn.net/nmyangmo/article/details/73105712

Android 5.0明确指出其webview是支持webRTC的,但是在国内各大厂商的定制下。。咳咳,算了,说多了都是泪啊~!

一怒之下我的webview内核换成了crosswalk。换完之后直接被暴击,APP体积增加了40M啊!!!

不过没办法了webRTC功能和好处还是很诱人啊,这里就不多说了。让我们看crosswalk吧。

Crosswalk官方网址: https://crosswalk-project.org/
Crosswalk 下载地址: https://crosswalk-project.org/documentation/downloads.html
或者: https://download.01.org/crosswalk/releases/crosswalk/

**我下载的是: crosswalk-23.53.589.4.aar 这个版本,兼容x86和arm类型的CPU.
集成方法:1、设置grade外部库为libs,拷贝aar文件到libs**

repositories {    flatDir { dirs 'libs'    }}

2、关联crosswalk库

compile(name: 'crosswalk-23.53.589.4', ext: 'aar')

crosswalk的使用方法基本和webview一样,只不过叫XWalkView
需要注意的是需要继承XWalkActivity
重写oncreate(),onXWalkReady()方法。加载网页和配置都在crosswalk准备好后进行(onXWalkReady方法中)。关于XWalkView配置和webview基本相同,可以参考webview对XWalkView进行配置

XWalXWalkSettings mWebSettings = mWebView.getSettings(); mWebSettings.setSupportZoom(true);//支持缩放 mWebSettings.setBuiltInZoomControls(true);//可以任意缩放 mWebSettings.setLoadWithOverviewMode(true); mWebSettings.setUseWideViewPort(true);////将图片调整到适合webview的大小// mWebSettings.setDefaultTextEncodingName("utf-8"); mWebSettings.setLoadsImagesAutomatically(true);// mWebSettings.setMixedContentMode() //调用JS方法.安卓版本大于17,加上注解 @JavascriptInterface mWebSettings.setJavaScriptEnabled(true);//支持JS

WebView中的setwebViewClient(webViewClient)对应XWalkView中的setResourceClient(new XWalkResourceClient(mWebView)方法

mWebView.setResourceClient(new XWalkResourceClient(mWebView) { //=========HTML5定位========================================================== //需要先加入权限 // // //<uses-permission android:name= // "android.permission.ACCESS_COARSE_LOCATION"/> @Override public boolean shouldOverrideUrlLoading(XWalkView view, String url) { view.loadUrl(url); return true; } @Override public void onReceivedSslError(XWalkView view, ValueCallback callback, SslError error) {      super.onReceivedSslError(view, callback, error); } @Override public void onLoadFinished(XWalkView view, String url) { super.onLoadFinished(view, url); }  @Override  public void onLoadStarted(XWalkView view, String url) {  super.onLoadStarted(view, url);  }  @Override  public void onProgressChanged(XWalkView view, int progressInPercent) {  super.onProgressChanged(view, progressInPercent);  }  @Override  public void onReceivedClientCertRequest(XWalkView view, ClientCertRequest handler) {  super.onReceivedClientCertRequest(view, handler);  }  @Override  public void onDocumentLoadedInFrame(XWalkView view, long frameId) {   super.onDocumentLoadedInFrame(view, frameId);  }  @Override  public void onReceivedHttpAuthRequest(XWalkView view, XWalkHttpAuthHandler handler, String host, String realm) {  super.onReceivedHttpAuthRequest(view, handler, host, realm);  }  @Override  public void onReceivedLoadError(XWalkView view, int errorCode, String description, String failingUrl) {  super.onReceivedLoadError(view, errorCode, description, failingUrl);  }  @Override  public void onReceivedResponseHeaders(XWalkView view, XWalkWebResourceRequest request, XWalkWebResourceResponse response) {  super.onReceivedResponseHeaders(view, request, response);  } } );

WebView中的setWebChromeClient(webChromeClient)对应XWalkView中的setUIClient(new XWalkUIClient(mWebView)方法

mWebView.setUIClient(new XWalkUIClient(mWebView) {     @Override     public void onPageLoadStarted(XWalkView view, String url) {  super.onPageLoadStarted(view, url);     }     @Override     public boolean onJsAlert(XWalkView view, String url, String message, XWalkJavascriptResult result) {  return super.onJsAlert(view, url, message, result);     }     @Override     public void onScaleChanged(XWalkView view, float oldScale, float newScale) {  super.onScaleChanged(view, oldScale, newScale);     }     @Override     public void onPageLoadStopped(XWalkView view, String url, LoadStatus status) {  super.onPageLoadStopped(view, url, status);     } });

当然为了避免关闭xWalkView引起内存泄露的问题,我们选择了动态加载这个view.

LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);mWebView = new XWalkView(getApplicationContext());mWebView.setLayoutParams(params);mLayout.addView(mWebView);

因为webRTC需要录音我们还需要动态的申请权限(查看Demo)

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {    if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED     || ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED     || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED     || ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this,  new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.RECORD_AUDIO},  3332);    } else { // mWebView.loadUrl(mUrl);    }} else {    mWebView.loadUrl(mUrl);}

Demo还有网络监听NetReceiver和来电监听PhoneCallReceiver,这里不再赘述,感兴趣可以查看Demo源码

博客转载请标明出处:http://blog.csdn.net/nmyangmo/article/details/73105712

源码下载:http://download.csdn.net/detail/nmyangmo/9868127