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copied!<p>setContentView() doesn't add views to the display, it replaces them. That's why your button is going away.</p> <p>Use the existing tv in your XML layout instead of creating a new one, and only call setContentReview() once.</p> <p>Like this:</p> <pre><code>super.onCreate(savedInstanceState); setContentView(R.layout.main); Button OffWifi = (Button)findViewById(R.id.offwifi); OffWifi.setOnClickListener(new OnClickListener() { public void onClick(View v) { WifiManager wifiManager = (WifiManager)getBaseContext().getSystemService(Context.WIFI_SERVICE); wifiManager.setWifiEnabled(false); } }); // remove these lines // TextView tv = new TextView(this); // TextView status = new TextView(this); // add this line TextView tv= (TextView) findViewById(R.id.tv); WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiConfiguration wc.... ect.ect. Log.d("WifiPreference", "enableNetwork returned " + b ); // let's do this later //tv.setText("You are now connected! " + // "Version 1.1"); //status.setText("The was an error connecting, please try again."); //@Override try { Thread.sleep(5000); ConnectivityManager connec = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); if (connec != null && (connec.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED) ||(connec.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED)){ //You are connected, do something online. // setting the ContentView replaces everything, so don't do that //setContentView(tv); tv.setText("You are now connected! " + "Version 1.1"); }else if (connec.getNetworkInfo(0).getState() == NetworkInfo.State.DISCONNECTED || connec.getNetworkInfo(1).getState() == NetworkInfo.State.DISCONNECTED ) { //Not connected. //setContentView(status); tv.setText("The was an error connecting, please try again."); } } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } </code></pre> <p>}</p>

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