在cocos2d-x界面中嵌入Android的WebView

在Cocos2dxActivity.java中,

(1) 增加函数onCreateLayout，

 publicLinearLayoutonCreateLayout(Cocos2dxGLSurfaceViewsurfaceView){
 LinearLayoutlayout=newLinearLayout(this);
 layout.setOrientation(LinearLayout.VERTICAL);
 layout.addView(surfaceView);
 returnlayout;
 }

(2) 在this.mGLSurfaceView = this.onCreateView() 下面增加这一行：

 LinearLayoutcontentLayout=this.onCreateLayout(mGLSurfaceView);

(3) 应用的Activity文件实现如下，

 publicclassHelloCppextendsCocos2dxActivity{
 staticHelloCppsHelloCpp=null;
 LinearLayoutmContentLayout;
 Cocos2dxGLSurfaceViewmGlSurfaceView;
 LinearLayoutmWebLayout;
 WebViewmWebView;
 ButtonmBackButton;

 protectedvoidonCreate(BundlesavedInstanceState){
 super.onCreate(savedInstanceState);
 }

 publicLinearLayoutonCreateLayout(Cocos2dxGLSurfaceViewsurfaceView){
 mGlSurfaceView=surfaceView;
 sHelloCpp=this;

 mContentLayout=newLinearLayout(this);
 mContentLayout.setOrientation(LinearLayout.VERTICAL);
 mContentLayout.addView(surfaceView);

 mWebLayout=newLinearLayout(this);
 mWebLayout.setOrientation(LinearLayout.VERTICAL);

 returnmContentLayout;
 }

 publicCocos2dxGLSurfaceViewonCreateView(){
 Cocos2dxGLSurfaceViewglSurfaceView=newCocos2dxGLSurfaceView(this);
 //TestCppshouldcreatestencilbuffer
 glSurfaceView.setEGLConfigChooser(5,6,5,0,16,8);

 returnglSurfaceView;
 }

 //此函数提供给jni调用，返回自身类的对象
 publicstaticHelloCppgetInstance(){//返回实例
 returnsHelloCpp;
 }

 publicvoidopenWebView(){
 this.runOnUiThread(newRunnable(){//在主线程里添加别的控件
 publicvoidrun(){
 //初始化webView
 mWebView=newWebView(HelloCpp.this);
 //设置webView能够执行javascript脚本
 mWebView.getSettings().setJavaScriptEnabled(true);
 //载入URL
 mWebView.loadUrl("file:///android_asset/index.html");
 //使页面获得焦点
 //mWebView.requestFocus();
 //如果页面中链接，如果希望点击链接继续在当前browser中响应
 mWebView.setWebViewClient(newWebViewClient(){
 publicbooleanshouldOverrideUrlLoading(WebViewview,Stringurl){
 if(url.indexOf("tel:")<0){
 view.loadUrl(url);
 }
 returntrue;
 }
 });

 /*初始化返回按钮*/
 mBackButton=newButton(HelloCpp.this);
 mBackButton.setLayoutParams(newLinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT));
 mBackButton.setText("Close");
 mBackButton.setTextColor(Color.argb(255,255,218,154));
 mBackButton.setTextSize(14);
 mBackButton.setOnClickListener(newOnClickListener(){
 publicvoidonClick(Viewv){
 removeWebView();
 mGlSurfaceView.setVisibility(View.VISIBLE);
 }
 });

 //把webView加入到线性布局
 mGlSurfaceView.setVisibility(View.GONE);
 mWebLayout.addView(mBackButton);
 mWebLayout.addView(mWebView);
 mContentLayout.addView(mWebLayout);
 }
 });
 }
 //移除webView把刚才加的所有控件都删掉
 publicvoidremoveWebView(){
 mContentLayout.removeView(mWebLayout);
 mWebLayout.destroyDrawingCache();

 mWebLayout.removeView(mWebView);
 mWebView.destroy();

 mWebLayout.removeView(mBackButton);
 mBackButton.destroyDrawingCache();
 }

 publicbooleanonKeyDown(intkeyCoder,KeyEventevent)//重载函数，android手机实体返回键回调函数
 {
 if(mWebView.canGoBack()&&keyCoder==KeyEvent.KEYCODE_BACK){//如果网页能回退则后退，如果不能后退移除WebView
 mWebView.goBack();
 }else{
 removeWebView();
 mGlSurfaceView.setVisibility(View.VISIBLE);
 }
 returnfalse;
 }

 static{
 System.loadLibrary("game");
 }

从cocos2d-x的界面中打开WebView的代码：

 #if(CC_TARGET_PLATFORM==CC_PLATFORM_ANDROID)
 //getStaticMethodInfo，判断Java静态函数是否存在，并且把信息保存到minfo里
 //参数1：JniMethodInfo
 //参数2：Java类包名+类名
 //参数3：Java函数名称
 //参数4：函数参数类型和返回值类型，这里的返回值类型是HelloCpp类的对象。写法：L+包名+;其他的类型请看上面的“JNI详细教程”

 JniMethodInfominfo;
 jobjectjobj;
 boolisHave=JniHelper::getStaticMethodInfo(minfo,"cn/livelog/popdiamond/HelloCpp","getInstance","()Lcn/livelog/popdiamond/HelloCpp;");
 if(isHave)
 {
 //调用Java静态函数，取得对象。
 jobj=minfo.env->CallStaticObjectMethod(minfo.classID,minfo.methodID);
 if(jobj!=NULL)
 {
 isHave=JniHelper::getMethodInfo(minfo,"cn/livelog/popdiamond/HelloCpp","openWebView","()V");
 if(isHave)
 {
 //调用java非静态函数,参数1：Java对象，上面已经取得参数2：方法ID
 minfo.env->CallVoidMethod(jobj,minfo.methodID);
 }
 }
 }
 #endif