问你能帮我写这段代码吗？

EN

@Override
protected void onCreate(Bundle savedInstanceState) {
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    wv.setWebViewClient(new OurViewClient());
    wv.getSettings().setJavaScriptEnabled(true);
    try {
        String url = "a url";
        wv.loadUrl(url);
    } catch (Exception e) {
        e.printStackTrace();
    }
    String lid = "0";

    //Clicking button changes to the color

}

final EditText idbox = (EditText) findViewById(R.id.editText1);
final Button idbutton = (Button) findViewById(R.id.idbtn);
final WebView wv = (WebView) findViewById(R.id.webView1);

public void onClick(View v) {
    idbutton.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
            String lid = idbox.getText().toString();
            if (lid == "1") {
                wv.setWebViewClient(new OurViewClient());
                try {
                    String urla = "a url";
                    wv.loadUrl(urla);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            if (lid == "2") {
                wv.setWebViewClient(new OurViewClient());
                try {
                    String urlb = "a url";
                    wv.loadUrl(urlb);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            if (lid == "3") {
                wv.setWebViewClient(new OurViewClient());
                try {
                    String urlc = "a url";
                    wv.loadUrl(urlc);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    });
}