With the simple code below I can get my url loaded correctly, but, I get >”ERR_UNKNOWN_URL_SCHEME”

when trying to tap on html links that start with mailto: whatsapp: and tg: (Telegram). Anyone can help me to fix this please? Unfortunately I do not know Java at all.

public class MainActivity extends AppCompatActivity { private WebView mywebView;`

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mywebView=(WebView) findViewById(R.id.webview);
        mywebView.setWebViewClient(new WebViewClient());
        mywebView.loadUrl("https://masteravkusa.tilda.ws/");
        WebSettings webSettings=mywebView.getSettings();
        webSettings.setJavaScriptEnabled(true);
    }
    @Override
    public void onBackPressed(){
        if(mywebView.canGoBack()) {
            mywebView.goBack();
        }
        else{
            super.onBackPressed();
        }
    }

}