src/com/android/car/settings/wifi/WifiUtil.java

/*
 * Copyright (C) 2017 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.car.settings.wifi;

import android.annotation.DrawableRes;
import android.content.Context;
import android.content.pm.PackageManager;
import android.net.wifi.WifiManager;

import androidx.annotation.StringRes;

import com.android.car.settings.R;

/**
 * A collections of util functions for WIFI.
 */
public class WifiUtil {
    @DrawableRes
    public static int getIconRes(int state) {
        switch (state) {
            case WifiManager.WIFI_STATE_ENABLING:
            case WifiManager.WIFI_STATE_DISABLED:
                return R.drawable.ic_settings_wifi_disabled;
            default:
                return R.drawable.ic_settings_wifi;
        }
    }

    public static boolean isWifiOn(int state) {
        switch (state) {
            case WifiManager.WIFI_STATE_ENABLING:
            case WifiManager.WIFI_STATE_DISABLED:
                return false;
            default:
                return true;
        }
    }

    /**
     * @return 0 if no proper description can be found.
     */
    @StringRes
    public static Integer getStateDesc(int state) {
        switch (state) {
            case WifiManager.WIFI_STATE_ENABLING:
                return R.string.wifi_starting;
            case WifiManager.WIFI_STATE_DISABLING:
                return R.string.wifi_stopping;
            case WifiManager.WIFI_STATE_DISABLED:
                return R.string.wifi_disabled;
            default:
                return 0;
        }
    }

    /**
     * Returns {@Code true} if wifi is available on this device.
     */
    public static boolean isWifiAvailable(Context context) {
        return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI);
    }
}