0
我使用webview来显示打印预览,问题是有时webview不显示。发生这种情况时,不会调用onPageFinished()回调函数。我觉得奇怪的是,它大部分时间都适用,但有时并不适用。onPageFinished有时不叫Android Android WebView
WebView webView = new WebView(context);
webView.loadData(html,
"text/html", "UTF-8");
webView.setWebViewClient(new WebViewClient() {
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view,url);
Log.d(TAG, "onPageFinished: ");
PrintDocumentAdapter printDocumentAdapter = new PrintDocumentAdapterWrapper(view.createPrintDocumentAdapter());
printManager = (PrintManager) context.getSystemService(PRINT_SERVICE);
printManager.print(webViewName, printDocumentAdapter, printAttributes);
}
});