1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.tv.settings.name;
18 
19 import android.bluetooth.BluetoothAdapter;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.provider.Settings;
23 import android.util.Log;
24 
25 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
26 
27 public class DeviceManager {
28 
29     private static final String TAG = "DeviceManager";
30 
31     public static final String ACTION_DEVICE_NAME_UPDATE =
32             "com.android.tv.settings.name.DeviceManager.DEVICE_NAME_UPDATE";
33     /**
34      * Retrieves the name from Settings.Global.DEVICE_NAME
35      *
36      * @param context A context that can access Settings.Global
37      * @return The device name.
38      */
getDeviceName(Context context)39     public static String getDeviceName(Context context) {
40         return Settings.Global.getString(context.getContentResolver(), Settings.Global.DEVICE_NAME);
41     }
42 
43     /**
44      * Sets the system device name.
45      *
46      * For now it will explicitly call the different discoverable services that haven't been ported
47      * to use the Settings.Global.DEVICE_NAME entry.
48      *
49      * @param context A context that can access Settings.Global
50      * @param name The new device name.
51      */
setDeviceName(Context context, String name)52     public static void setDeviceName(Context context, String name) {
53         Settings.Global.putString(context.getContentResolver(), Settings.Global.DEVICE_NAME, name);
54         BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
55         if (btAdapter != null) {
56             btAdapter.setName(name);
57         } else {
58             Log.v(TAG, "Bluetooth adapter is null. Running on device without bluetooth?");
59         }
60         LocalBroadcastManager.getInstance(context)
61                 .sendBroadcast(new Intent(ACTION_DEVICE_NAME_UPDATE));
62     }
63 }
64