Utils.java revision 30275c1924b2bd45b05bd9c98f8648ecbc71374f 
1package com.android.settingslib;
2
3import android.content.Context;
4import android.content.pm.UserInfo;
5import android.graphics.Bitmap;
6import android.graphics.BitmapFactory;
7import android.graphics.drawable.Drawable;
8import android.net.ConnectivityManager;
9import android.os.UserManager;
10
11import com.android.internal.util.UserIcons;
12import com.android.settingslib.drawable.CircleFramedDrawable;
13
14public final class Utils {
15
16    /**
17     * Return string resource that best describes combination of tethering
18     * options available on this device.
19     */
20    public static int getTetheringLabel(ConnectivityManager cm) {
21        String[] usbRegexs = cm.getTetherableUsbRegexs();
22        String[] wifiRegexs = cm.getTetherableWifiRegexs();
23        String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs();
24
25        boolean usbAvailable = usbRegexs.length != 0;
26        boolean wifiAvailable = wifiRegexs.length != 0;
27        boolean bluetoothAvailable = bluetoothRegexs.length != 0;
28
29        if (wifiAvailable && usbAvailable && bluetoothAvailable) {
30            return R.string.tether_settings_title_all;
31        } else if (wifiAvailable && usbAvailable) {
32            return R.string.tether_settings_title_all;
33        } else if (wifiAvailable && bluetoothAvailable) {
34            return R.string.tether_settings_title_all;
35        } else if (wifiAvailable) {
36            return R.string.tether_settings_title_wifi;
37        } else if (usbAvailable && bluetoothAvailable) {
38            return R.string.tether_settings_title_usb_bluetooth;
39        } else if (usbAvailable) {
40            return R.string.tether_settings_title_usb;
41        } else {
42            return R.string.tether_settings_title_bluetooth;
43        }
44    }
45
46    /**
47     * Returns a label for the user, in the form of "User: user name" or "Work profile".
48     */
49    public static String getUserLabel(Context context, UserInfo info) {
50        String name = info != null ? info.name : null;
51        if (info.isManagedProfile()) {
52            // We use predefined values for managed profiles
53            return context.getString(R.string.managed_user_title);
54        } else if (info.isGuest()) {
55            name = context.getString(R.string.user_guest);
56        }
57        if (name == null && info != null) {
58            name = Integer.toString(info.id);
59        } else if (info == null) {
60            name = context.getString(R.string.unknown);
61        }
62        return context.getResources().getString(R.string.running_process_item_user_label, name);
63    }
64
65    /**
66     * Returns a circular icon for a user.
67     */
68    public static Drawable getUserIcon(Context context, UserManager um, UserInfo user) {
69        if (user.isManagedProfile()) {
70            // We use predefined values for managed profiles
71            Bitmap b = BitmapFactory.decodeResource(context.getResources(),
72                    com.android.internal.R.drawable.ic_corp_icon);
73            return CircleFramedDrawable.getInstance(context, b);
74        }
75        if (user.iconPath != null) {
76            Bitmap icon = um.getUserIcon(user.id);
77            if (icon != null) {
78                return CircleFramedDrawable.getInstance(context, icon);
79            }
80        }
81        return CircleFramedDrawable.getInstance(context, UserIcons.convertToBitmap(
82                UserIcons.getDefaultUserIcon(user.id, /* light= */ false)));
83    }
84}
85