WebviewSetUtil工具类

最新推荐文章于 2019-03-19 10:23:19 发布

原创最新推荐文章于 2019-03-19 10:23:19 发布 · 472 阅读

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#webview #工具类

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本文详细介绍了如何使用Java配置WebView的相关设置，包括支持JavaScript、文件访问、缩放控制等，并展示了如何监听加载进度及处理错误。

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public class WebviewSetUtil {
    private WebView webview;
    private ProgressBar progressBar;
    private JSObject jsobject;

    public WebviewSetUtil(WebView webView, ProgressBar progressBar){
        this.webview=webView;
        if(progressBar!=null){
            this.progressBar=progressBar;
        }

    }
    public WebView initWebViewSettings(){
        WebSettings webSetting=webview.getSettings();
        webSetting.setUseWideViewPort(true);//设置此属性，可任意比例缩放
        webSetting.setLoadWithOverviewMode(true);
        webSetting.setJavaScriptEnabled(true);
        webSetting.setAllowFileAccess(true);
        webSetting.setBuiltInZoomControls(false);
        webSetting.setSupportZoom(true);
        webSetting.setCacheMode(WebSettings.LOAD_DEFAULT);
        webSetting.setDomStorageEnabled(true);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            webview.setWebContentsDebuggingEnabled(true);
        }
        webview.setWebChromeClient(new WebChromeClient() {
            @Override
            public void onProgressChanged(WebView view, int newProgress) {
                if(progressBar!=null){
                    progressBar.setProgress(newProgress);
                    if (newProgress == 100) {
                        progressBar.setVisibility(View.GONE);
                    }
                }

            }

        });
        webview.setWebViewClient(new WebViewClient(){
            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                System.out.println("onPageFinshed");
            }
            @Override
            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                super.onReceivedError(view, errorCode, description, failingUrl);
                System.out.println("onReceivedError");
            }

            @Override
            public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
                handler.proceed();
            }
        });
        return webview;
    }
    public void setJSObject(JSObject obj) {
        jsobject = obj;
        if (jsobject != null && webview != null) {
            webview.addJavascriptInterface(jsobject, "jsObject");
        }
    }
}