webview flash 需要手机安装flash apk 否则白屏

webview flash 需要手机安装flash apk 否则白屏

		mWebView = (WebView) findViewById(R.id.webview);  
	//	mWebView.loadUrl("http://static.youku.com/v1.0.0423/v/swf/loader.swf?VideoIDS=XNjk5Njk1MDc2&embedid=MTgwLjE2OC44NC42NgIxNzQ5MjM3NjkCAg%3D%3D&wd=&vext=pid%3D%26emb%3DMTgwLjE2OC44NC42NgIxNzQ5MjM3NjkCAg%3D%3D%26bc%3D%26type%3D0");  
		mWebView.loadUrl("file:///android_asset/fengkuang.swf");  
		mWebView.getSettings().setJavaScriptEnabled(true);  
	      //  mWebView.getSettings().setPluginsEnabled(true);  
	        mWebView.getSettings().setAllowFileAccess(true);  
	        mWebView.getSettings().setPluginState(PluginState.ON);  
	        mWebView.setBackgroundColor(0);  

	        mWebView.setWebChromeClient(new WebChromeClient() {    
	            public void onProgressChanged(WebView view,int progress) {    
	                // Activity和Webview根据加载程度决定进度条的进度大小     
	                // 当加载到100%的时候 进度条自动消失     
	            	FlashWebView.this.setProgress(progress * 100);    
	            }    
	        }); 
		
/*		 WebSettings settings = mWebView.getSettings();
		 settings.setAllowFileAccess(true);
		 //settings.setAllowFileAccessFromFileURLs(true);
		 settings.setSupportMultipleWindows(true);
		  settings.setJavaScriptEnabled(true);
		  mWebView.getSettings().setPluginState(PluginState.ON);  
		  settings.setAllowFileAccess(true);
		  settings.setDefaultTextEncodingName("GBK");
		  settings.setEnableSmoothTransition(true);
		  mWebView.setBackgroundColor(0);
	          

		  mWebView.loadUrl("file:///android_asset/fengkuang.swf");*/

  <WebView
      android:id="@+id/webview"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:layout_centerInParent="true"
      android:background="#00000000" />

        <activity
            android:name="com.ywang.lbs.FlashWebView"
            android:screenOrientation="landscape"
            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
        </activity>