android app接入微信H5支付

android app接入微信h5支付的代码 

public class ThirdPay{
	private static ThirdPay     payPtr;
	private static AppActivity _activity;
	private String orderInfo;
	private static FrameLayout m_layout;
	public void init(AppActivity context){
		_activity=context;
		payPtr=this;
		m_layout=(FrameLayout)_activity.getWindow().getDecorView();
	}
	
	///-------------weixin-------------
	public static void start_pay_wx(String extension){
		payPtr.orderInfo=extension;
		payPtr.wx_do_pay();
	}
	
	public void wx_do_pay(){
		_activity.runOnUiThread(new Runnable() {
			@Override
			public void run() {
				WebView webView = new WebView(_activity);
				WebSettings settings = webView.getSettings();
				settings.setJavaScriptEnabled(true);
				settings.setDefaultTextEncodingName("UTF-8");
				webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
				webView.setWebChromeClient(new WebChromeClient());

				Map<String, String> extraHeaders = new HashMap<String, String>();
				extraHeaders.put("Referer", "xxxx");//xxxx为 商户申请H5时提交的授权域名
				webView.loadUrl(payPtr.orderInfo,extraHeaders);
				webView.setAlpha(0);
				FrameLayout.LayoutParams lParams = new FrameLayout.LayoutParams(
				FrameLayout.LayoutParams.WRAP_CONTENT,
				FrameLayout.LayoutParams.WRAP_CONTENT);

				m_layout.addView(webView, lParams);

				webView.setWebViewClient(new WebViewClient() {  
				@Override  
				public boolean shouldOverrideUrlLoading(WebView view, String url) {
					if (url.startsWith("weixin://")) {
						Intent intent = new Intent();
						intent.setAction(Intent.ACTION_VIEW);
						intent.setData(Uri.parse(url));
						_activity.startActivity(intent);
						return true;
					} else {
						Map<String, String> extraHeaders = new HashMap<String, String>();
						view.loadUrl(url, extraHeaders);
					}
					return super.shouldOverrideUrlLoading(view, url);
				}

				@Override
				public void onPageFinished(WebView view, String url) {
					// TODO Auto-generated method stub              
					super.onPageFinished(view, url);
					if(m_layout!=null){
						m_layout.removeView(view);
					}
					AppActivity.debugShowLog(url);
				}

				@Override
				public void onReceivedError(WebView view, int errorCode,
					String description, String failingUrl) {
					// TODO Auto-generated method stub              
					super.onReceivedError(view, errorCode, description, failingUrl);
				}
				});
			}
		});
	}
}