Quicker way than onLoadResource to inject javascript into a webview?

Question

Parts of an Android webview url have already fired by the time onLoadResource is activated. The delay is minimal but can be clearly seen...

public void onLoadResource(WebView view, String url) {
  injectScriptFile(webview, "hello.js");
  super.onLoadResource(view, url);
}

Is there a way to inject javascript into the webview before anything in the body tag renders?

score 0 · Answer 1 · answered Mar 26 '19 at 06:58

if overriding the webViews shouldOverrideUrlLoading doesn't do the trick, i think the earliest way to inject javascript into your webView is by annotating an injecting method as a JavascriptInterface so it can be called from the website you are loading

Quicker way than onLoadResource to inject javascript into a webview?

1 Answers1