src/com/android/settings/wifi/WifiConfigInfo.java

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.settings.wifi;

import android.app.Activity;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.widget.TextView;

import com.android.settings.R;

import java.util.List;

/**
 * Configuration details saved by the user on the WifiSettings screen
 */
public class WifiConfigInfo extends Activity {

    private TextView mConfigList;
    private WifiManager mWifiManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mWifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
        setContentView(R.layout.wifi_config_info);
        mConfigList = (TextView) findViewById(R.id.config_list);
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (mWifiManager.isWifiEnabled()) {
            final List<WifiConfiguration> wifiConfigs = mWifiManager.getConfiguredNetworks();
            StringBuffer configList  = new StringBuffer();
            for (int i = wifiConfigs.size() - 1; i >= 0; i--) {
                configList.append(wifiConfigs.get(i));
            }
            mConfigList.setText(configList);
        } else {
            mConfigList.setText(R.string.wifi_state_disabled);
        }
    }

}