WebView

前人經驗：

開源控制項：一個自定義的帶數字progress類:NumberProgressBar；

WebViewClient就是幫助WebView處理各種通知、請求事件的。

WebChromeClient是輔助WebView處理Javascript的對話框，網站圖標，網站title，載入進度等 。

總結：別把簡單的東西複雜化。

NumberProgressBar.java

我的網盤：http://share.weiyun.com/cfda31dae65609c7376d0f9153678a27

style

<style name="NumberProgressBar_Funny_Orange">
    <item name="android:layout_height">wrap_content</item>
    <item name="android:layout_width">match_parent</item>

    <item name="progress_max">100</item>
    <item name="progress_current">0</item>

    <item name="progress_unreached_color">@android:color/transparent</item>
    <item name="progress_reached_color">#f00722</item>
    <item name="progress_text_size">10sp</item>
    <item name="progress_text_color">#f00722</item>

    <item name="progress_reached_bar_height">1.5dp</item>
    <item name="progress_unreached_bar_height">0.75dp</item>
</style>

xml佈局

<FrameLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">
<WebView
    android:id="@+id/ticket_web"
    android:visibility="gone"
    android:layout_width="match_parent"
    android:layout_height="match_parent"></WebView>
    <com.etoury.project.ui.view.NumberProgressBar
    android:id="@+id/progressbar"
    style="@style/NumberProgressBar_Funny_Orange"
    android:layout_width="match_parent"
    app:progress_reached_bar_height="2dp"
    app:progress_text_size="0sp"
    app:progress_text_visibility="invisible"
    app:progress_unreached_bar_height="2dp" />

</FrameLayout>

java代碼

pr = (NumberProgressBar) findViewById(R.id.progressbar);

webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webView.getSettings().setBlockNetworkImage(false);
webView.getSettings().setAllowFileAccess(true);
webView.getSettings().setDomStorageEnabled(true);
webView.getSettings().setBlockNetworkLoads(false);
webView.getSettings().setGeolocationEnabled(true);
String url = "http://u.ctrip.com/union/CtripRedirect.aspx?TypeID=650&city="
       +"北京"+"&cityid=1&sourceid=1&sid=777206&allianceid=303851&ouid=";
webView.loadUrl(url);
webView.setWebViewClient(new WebViewClient() {
    @Override
    public void onPageFinished(WebView view, String url) {
        webView.setVisibility(View.VISIBLE);
        super.onPageFinished(view, url);
    }

    @Override
    public void onLoadResource(WebView view, String url) {
        if (url.contains("https://accounts.ctrip.com/H5Login/") || url.contains("http://m.ctrip.com/you/place/1")
                || url.contains("http://m.ctrip.com/webapp/diyshx/list/") || url.contains("http://m.ctrip.com/webapp/Hotel/hotel1")) {
            view.stopLoading();
        }
        super.onLoadResource(view, url);
    }
});
webView.setWebChromeClient(new WebChromeClient() {
    @Override
    public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
        super.onGeolocationPermissionsShowPrompt(origin, callback);
        callback.invoke(origin, true, false);


    }

    @Override
    public void onProgressChanged(WebView view, int newProgress) {
        if (pr == null) return;
        pr.setProgress(newProgress);
        if (newProgress == 100) {
            pr.setVisibility(View.GONE);
        } else {
            pr.setVisibility(View.VISIBLE);
        }
        super.onProgressChanged(view, newProgress);
    }
});