public class LuckyDrawClickActivity extends BaseActivity<LuckyDrawClickPresenter> implements LuckyDrawClickContract.View {

    private WebView webView;
    private String id;

    @Override
    public void setDaggerComponent(@NonNull AppComponent appComponent) {
        DaggerLuckyDrawClickComponent // 如找不到该类,请编译一下项目
                .builder()
                .appComponent(appComponent)
                .luckyDrawClickModule(new LuckyDrawClickModule(this))
                .build()
                .inject(this);
    }

    public static void launchActivity(Activity activity, String id) {
        Intent intent = new Intent(activity, LuckyDrawClickActivity.class);
        intent.putExtra("id", id);
        activity.startActivity(intent);
    }

    @Override
    public int initLayout(@Nullable Bundle savedInstanceState) {
        return R.layout.activity_lucky_draw_click;
    }

    @Override
    public void init(@Nullable Bundle savedInstanceState) {
        webView = (WebView) findViewById(R.id.wv_webview);
        id = getIntent().getStringExtra("id");
        loadWeb();
    }

    //    @SuppressLint("JavascriptInterface")
//    public void loadWeb() {
//        //String url = "https://www.baidu.com/";
//        //  String url = "file:///android_asset/index.html";
//        String url = "http://192.168.2.92:8081/index.html";
//        //此方法可以在webview中打开链接而不会跳转到外部浏览器
//        webView.getSettings().setJavaScriptEnabled(true);
//        webView.loadUrl(url);
//
//        webView.setWebViewClient(new WebViewClient() {
//            @Override
//            public void onPageFinished(WebView view, String url) {
//                super.onPageFinished(view, url);
//             //   view.loadUrl("javascript:getDrawsRemainder(\"" + "1" + "\")");
//                view.loadUrl("javascript:get()");
//            }
//        });
//    }
    @SuppressLint("JavascriptInterface")
    public void loadWeb() {

        String url = "http://192.168.2.92:8081/index.html";
        //此方法可以在webview中打开链接而不会跳转到外部浏览器
        webView.setWebViewClient(new WebViewClient());
        webView.loadUrl(url);

        //支持弹窗，也就是支持html网页弹框
        webView.setWebChromeClient(new WebChromeClient() {
            public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
                return super.onJsAlert(view, url, message, result);
            }
        });
        webView.setWebViewClient(new WebViewClient() {
            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
//                view.loadUrl("javascript:getDrawsRemainder(\"" + "1" + "\")");
                view.loadUrl("javascript:getInit(" + id + ")");
            }
        });
        //支持html中javascript解析，不管是不是js和android交互，只要网页中含有js都要
        webView.getSettings().setJavaScriptEnabled(true);
    }


    //重载onKeyDown的函数，使其在页面内回退,而不是直接退出程序
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) {
            webView.goBack();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    /**
     * 默认请求网络数据方法
     */
    @Override
    public void onRequest() {

    }


    /**
     * p层返回数据
     */
    @Override
    public void showSuccessData(LuckyDrawClickResponse response) {

    }
}

android与H5