私は以下のコードを使用してWi-Fiに接続しています。アプリが読み込まれると、黒い画面が表示され、ボタンがWi-Fiから切断されたように見えます。ボタンがすぐに見えるようにする方法はありますか?また、アプリケーションの読み込みの進行状況を表示する方法もありますので、ユーザーはそれが掛かっているとは思わないでしょうか?Androidアプリの読み込みに時間がかかります
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class TestActivity extends Activity {
/** Called when the activity is first created.
* @return */
@Override
public void onCreate(Bundle savedInstanceState) {
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);
}
});
TextView tv = new TextView(this);
TextView status = new TextView(this);
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
WifiConfiguration wc = new WifiConfiguration();
wc.SSID = "\"Test\""; //IMP! This should be in Quotes!!
wc.hiddenSSID = true;
wc.status = WifiConfiguration.Status.ENABLED;
wc.priority = 10;
wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wc.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wc.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wc.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
wc.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wc.preSharedKey = "\"Password\"";
WifiManager wifiManag = (WifiManager) this.getSystemService(WIFI_SERVICE);
boolean res1 = wifiManag.setWifiEnabled(true);
int res = wifi.addNetwork(checkPreviousConfiguration(wc));
Log.d("WifiPreference", "add Network returned " + res);
boolean es = wifi.saveConfiguration();
Log.d("WifiPreference", "saveConfiguration returned " + es);
boolean b = wifi.enableNetwork(res, true);
Log.d("WifiPreference", "enableNetwork returned " + b);
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.
setContentView(tv);
}else if (connec.getNetworkInfo(0).getState() == NetworkInfo.State.DISCONNECTED || connec.getNetworkInfo(1).getState() == NetworkInfo.State.DISCONNECTED) {
//Not connected.
setContentView(status);
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public WifiConfiguration checkPreviousConfiguration(WifiConfiguration wc) {
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
List<WifiConfiguration> configs = wifi.getConfiguredNetworks();
for(WifiConfiguration config : configs) {
if(config.SSID.equals(wc.SSID)) return config;
}
return wc;
}
}
+1そしてどこでも 'Thread.sleep(n)'を使うべきではないことに注意してください。 –