此js代码＆＃34; javascript：document.getElementById（＆＃39; display-name＆＃39;）。value =＆＃39; 123456＆＃39;;＆＃34;工作在4.3和更低是好的，但在4.4上面是坏的！
4.4 upper显示带有＆＃39; 123456＆＃39;
的空白页面import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView webView = (WebView) findViewById(R.id.webView);
webView.loadUrl("https://stackoverflow.com/users/signup");
webView.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
// this line work on 4.3 and lower is good
// but on 4.4 upper is bad!
view.loadUrl("javascript:document.getElementById('display-name').value='123456';");
}
});
WebSettings settings = webView.getSettings();
// use firefox agent
settings.setUserAgentString("Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0");
settings.setJavaScriptEnabled(true);
settings.setUseWideViewPort(true);
settings.setLoadWithOverviewMode(true);
}
}