how to automatically login the website in webview?

Question

In my app I am having webview to load web pages Now I want to automatically login to the website loaded in the webview eg:Facebook.Help me to solve this.I am using Android Studio to develop app. This is my code.

public class MainActivity extends AppCompatActivity {
EditText url;
Button go;
WebView webView;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    webView=(WebView)findViewById(R.id.wv);
    url=(EditText)findViewById(R.id.urlEdit);
    go=(Button)findViewById(R.id.goBut);
    webview.setWebViewClient(new WebViewClient());
    webView.getSettings().setJavaScriptEnabled(true);
    go.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            theWebsite=url.getText().toString();
            webView.loadUrl(theWebsite);
        }
    });

you need to develop web service at server side and from webservice you can redirect directly login page in webview — Adil
– Adil, Commented Feb 26, 2018 at 11:09
Bro I want to enter username and password programmatically in webview page — Dinesh S
– Dinesh S, Commented Feb 26, 2018 at 11:16
So do you want to populate username and password and submit it automatically (without any user intervention)? — Varad Mondkar
– Varad Mondkar, Commented Feb 26, 2018 at 11:42

Abhinay Sharma · Accepted Answer · 2018-02-26 11:14:36Z

2

step 1) first of all enable javascript in your webview

step 2) on onPageFinished using javascript autofill username and password field and generate click on login button

wv.loadUrl("javascript:document.getElementsByName('Username').value = 'abc'");
wv.loadUrl("javascript:document.getElementsByName('Pass').value = 'xyz'");
wv.loadUrl("javascript:document.forms['Login'].submit()");

answered Feb 26, 2018 at 11:14

Abhinay Sharma

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5 Comments

Dinesh S Over a year ago

Thanks bro for your answer

abhishek maharajpet Over a year ago

This did not work for me. It showed a blank while screen with my username. my username should actually be seen in the username field

Dinesh S Over a year ago

Try to use document.getElementById

Ravi Vaniya Over a year ago

@DineshS , even after using document.getElementById , i am facing same issue just like @abhishekmaharajpet

Rahul Pathak Over a year ago

in javascript:document.forms['Login'].submit()") what is 'Login' for Abhinay Sharma

jerry · Accepted Answer · 2023-02-28 03:37:39Z

0

This explanation helped me. Fill form in WebView with Javascript

view.evaluateJavascript(js, new ValueCallback<String>() {
                @Override
                public void onReceiveValue(String s) {
                }

instead of

view.loadUrl(js);

which is the answer I found everywhere else.

answered Feb 28, 2023 at 3:37

jerry

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