1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/*
* 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.settings.bluetooth;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.NotificationChannel;
import android.app.PendingIntent;
import android.app.Service;
import android.bluetooth.BluetoothDevice;
import android.content.IntentFilter;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.IBinder;
import android.text.TextUtils;
import android.util.Log;
import com.android.settings.R;
/**
* BluetoothPairingService shows a notification if there is a pending bond request
* which can launch the appropriate pairing dialog when tapped.
*/
public final class BluetoothPairingService extends Service {
private static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;
private static final String ACTION_DISMISS_PAIRING =
"com.android.settings.bluetooth.ACTION_DISMISS_PAIRING";
private static final String BLUETOOTH_NOTIFICATION_CHANNEL =
"bluetooth_notification_channel";
private static final String TAG = "BluetoothPairingService";
private BluetoothDevice mDevice;
public static Intent getPairingDialogIntent(Context context, Intent intent) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
int type = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT,
BluetoothDevice.ERROR);
Intent pairingIntent = new Intent();
pairingIntent.setClass(context, BluetoothPairingDialog.class);
pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, type);
if (type == BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PASSKEY ||
type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PIN) {
int pairingKey = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_KEY,
BluetoothDevice.ERROR);
pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_KEY, pairingKey);
}
pairingIntent.setAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
pairingIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
return pairingIntent;
}
private boolean mRegistered = false;
private final BroadcastReceiver mCancelReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
BluetoothDevice.ERROR);
if ((bondState != BluetoothDevice.BOND_NONE) && (bondState != BluetoothDevice.BOND_BONDED)) {
return;
}
} else if (action.equals(ACTION_DISMISS_PAIRING)) {
Log.d(TAG, "Notification cancel " + mDevice.getAddress() + " (" +
mDevice.getName() + ")");
mDevice.cancelPairingUserInput();
} else {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
BluetoothDevice.ERROR);
Log.d(TAG, "Dismiss pairing for " + mDevice.getAddress() + " (" +
mDevice.getName() + "), BondState: " + bondState);
}
stopForeground(true);
stopSelf();
}
};
@Override
public void onCreate() {
NotificationManager mgr = (NotificationManager)this
.getSystemService(Context.NOTIFICATION_SERVICE);
NotificationChannel notificationChannel = new NotificationChannel(
BLUETOOTH_NOTIFICATION_CHANNEL,
this.getString(R.string.bluetooth),
NotificationManager.IMPORTANCE_HIGH);
mgr.createNotificationChannel(notificationChannel);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent == null) {
Log.e(TAG, "Can't start: null intent!");
stopSelf();
return START_NOT_STICKY;
}
Resources res = getResources();
Notification.Builder builder = new Notification.Builder(this,
BLUETOOTH_NOTIFICATION_CHANNEL)
.setSmallIcon(android.R.drawable.stat_sys_data_bluetooth)
.setTicker(res.getString(R.string.bluetooth_notif_ticker))
.setLocalOnly(true);
PendingIntent pairIntent = PendingIntent.getActivity(this, 0,
getPairingDialogIntent(this, intent), PendingIntent.FLAG_ONE_SHOT);
PendingIntent dismissIntent = PendingIntent.getBroadcast(this, 0,
new Intent(ACTION_DISMISS_PAIRING), PendingIntent.FLAG_ONE_SHOT);
mDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (mDevice != null && mDevice.getBondState() != BluetoothDevice.BOND_BONDING) {
Log.w(TAG, "Device " + mDevice + " not bonding: " + mDevice.getBondState());
stopSelf();
return START_NOT_STICKY;
}
String name = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
if (TextUtils.isEmpty(name)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
name = device != null ? device.getAliasName() : res.getString(android.R.string.unknownName);
}
Log.d(TAG, "Show pairing notification for " + mDevice.getAddress() + " (" + name + ")");
Notification.Action pairAction = new Notification.Action.Builder(0,
res.getString(R.string.bluetooth_device_context_pair_connect), pairIntent).build();
Notification.Action dismissAction = new Notification.Action.Builder(0,
res.getString(android.R.string.cancel), dismissIntent).build();
builder.setContentTitle(res.getString(R.string.bluetooth_notif_title))
.setContentText(res.getString(R.string.bluetooth_notif_message, name))
.setContentIntent(pairIntent)
.setDefaults(Notification.DEFAULT_SOUND)
.setColor(getColor(com.android.internal.R.color.system_notification_accent_color))
.addAction(pairAction)
.addAction(dismissAction);
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
filter.addAction(BluetoothDevice.ACTION_PAIRING_CANCEL);
filter.addAction(ACTION_DISMISS_PAIRING);
registerReceiver(mCancelReceiver, filter);
mRegistered = true;
startForeground(NOTIFICATION_ID, builder.getNotification());
return START_REDELIVER_INTENT;
}
@Override
public void onDestroy() {
if (mRegistered) {
unregisterReceiver(mCancelReceiver);
mRegistered = false;
}
stopForeground(true);
}
@Override
public IBinder onBind(Intent intent) {
// No binding.
return null;
}
}
|
