How do you install and use the webview?

2 years ago
Jackson Davis
2 minutes

WebView is a control provided by Android for displaying web pages, allowing users to easily show web content in their Android applications. Here are some methods for installing and using WebView.

Add Internet permission in the AndroidManifest.xml file.

<uses-permission android:name="android.permission.INTERNET" />

Add a WebView control to the layout file.

<WebView
    android:id="@+id/webView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

Load URL in Activity.

WebView webView = findViewById(R.id.webView);
webView.getSettings().setJavaScriptEnabled(true); // 启用JavaScript
webView.loadUrl("https://www.example.com"); // 加载指定的URL

Handling events in WebView:

webView.setWebViewClient(new WebViewClient() {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
        view.loadUrl(url);
        return true;
    }
});

5. Handling the back event of the WebView:

@Override
public void onBackPressed() {
    if (webView.canGoBack()) {
        webView.goBack();
    } else {
        super.onBackPressed();
    }
}

Add network configuration in the AndroidManifest.xml file.

<application
    android:usesCleartextTraffic="true">
</application>

By using the aforementioned method, you can display web content in Android applications using a WebView. However, it is important to note that WebView is not a standalone application in the Android system, but rather a control, so you will need to use an Activity or Fragment to implement the related logic.

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