呼吸灯仅提示15分钟

呼吸灯仅提示15分钟

这里只是大致记录一下framework 层的大致修改方法.

每次 NotificationManagerService 在处理通知的时候会判断该通知是否需要开启led灯,如果需要开启的话,首先判断设置里面关于这个功能的开关是否开启,如果是开启的话,如果这个通知和同一个通知不是同一个id,就设置一个15分钟的闹钟来在关闭这个led灯.

其中关闭是在闹钟时间到了之后,发出指定广播来处理的,所以我们在创建 NotificationManagerService的时候需要注册一个广播监听器.

NotificationManagerService.java

1. @Override
2. public void onStart() {
3. ...
4. //zhangle add for notification light start 20150513
5. /* Uri uri = android.provider.Settings.System.getUriFor(DISPLAY_LIGHT_TURN_QUARTER);
6. getContext().getContentResolver().registerContentObserver(uri, false, myNotificationLightContentObserver);*/
8. IntentFilter myFilter = new IntentFilter();
9. myFilter.addAction(DOOV_LED_TURN_OFF_ACTION);
10. getContext().registerReceiverAsUser(new MyBroadCastReceiver(),UserHandle.ALL, myFilter,null,
11. null);
12. Log.d(TAG,"register DOOV_LED_TURN_OFF_ACTION");
13. //zhangle add for notification light end 20150513
14. }
16. // lock on mNotificationList
17. void updateLightsLocked()
18. {
19. Log.d(TAG,"updateLightsLocked mLights size=" + mLights.size());
20. // handle notification lights
21. NotificationRecord ledNotification = null;
22. while (ledNotification == null && !mLights.isEmpty()) {
23. final String owner = mLights.get(mLights.size() - 1);
24. Log.d(TAG,"updateLightsLocked owner=" + owner);
25. ledNotification = mNotificationsByKey.get(owner);
26. if (ledNotification == null) {
27. Slog.wtfStack(TAG, "LED Notification does not exist: " + owner);
28. mLights.remove(owner);
29. }
30. }
31. //zhangle add for notification light start 20150513
32. int value = Settings.System.getInt(getContext().getContentResolver(), DISPLAY_LIGHT_TURN_QUARTER, 0);
33. Log.d(TAG,"updateLightsLocked value=" +value + " ledNotification=" + ledNotification+ " mNotificationPulseEnabled=" + mNotificationPulseEnabled);
34. //zhangle add for notification light end 20150513
36. // handle notification lights
37. // Don't flash while we are in a call or screen is on
38. //if (mLedNotification == null || mInCall || mScreenOn) {
39. /// M: [ALPS01244800] Flash Notification LED regardless of screen state
40. if (ledNotification == null || mInCall /*|| mScreenOn*/ || mDmLock || mPplLock) {
41. mNotificationLight.turnOff();
42. mStatusBar.notificationLightOff();
43. } else {
44. final Notification ledno = ledNotification.sbn.getNotification();
45. int ledARGB = ledno.ledARGB;
46. int ledOnMS = ledno.ledOnMS;
47. int ledOffMS = ledno.ledOffMS;
48. if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) {
49. ledARGB = mDefaultNotificationColor;
50. ledOnMS = mDefaultNotificationLedOn;
51. ledOffMS = mDefaultNotificationLedOff;
52. }
53. if (mNotificationPulseEnabled) {
54. // pulse repeatedly
55. /// M: add log for lights debug @{
56. if (DBG) {
57. Log.d(TAG, "notification setFlashing ledOnMS = " + ledOnMS + " ledOffMS = " + ledOffMS);
58. }
59. /// M: add log for lights debug @{
60. mNotificationLight.setFlashing(ledARGB, Light.LIGHT_FLASH_TIMED,
61. ledOnMS, ledOffMS);
62. //zhangle add for notification light start 20150513
63. StatusBarNotification sbn = ledNotification.getSbn();
64. int notification_id = -1;
65. if(null != sbn){
66. notification_id = sbn.getId();
67. Log.d(TAG, "notification notification_id =" + notification_id + " mNotification_id=" + mNotification_id);
68. }
69. if(value >0 && null != sbn && mNotification_id != sbn.getId() ){//测试时发现qq 会重复发同一个通知.
70. turnOffLightLater();
71. mNotification_id = notification_id;
72. }
74. //zhangle add for notification light end 20150513
75. }
76. // let SystemUI make an independent decision
77. mStatusBar.notificationLightPulse(ledARGB, ledOnMS, ledOffMS);
78. }
79. }
81. //zhangle add for notification light start 20150513
82. private final int delaySeconds = 15*60;
83. private final int delaySeconds_test = 20;
84. private int mNotification_id = -1;
85. private AlarmManager am = null;
86. private final static String DOOV_LED_TURN_OFF_ACTION = "android.alarm.doov.led.action";
87. public void turnOffLightLater(){
88. Log.d(TAG,"turnOffLightLater " );
89. setAlarm();
90. }
92. class MyBroadCastReceiver extends BroadcastReceiver {
94. @Override
95. public void onReceive(Context context, Intent intent) {
96. int value = getValue();
97. Log.d(TAG, "intent.action=" + intent.getAction() + " value=" + value);
98. if(value >0){
99. mNotificationLight.turnOff();
100. mStatusBar.notificationLightOff();
101. if(null != mLights){
102. Log.d(TAG, "onReceive mLights=" + mLights.size());
103. mLights.clear();
104. }
106. }
107. }
108. }
109. public Calendar getTimeInSeconds(int amount){
110. Calendar calendar = Calendar.getInstance();
111. calendar.setTimeInMillis(System.currentTimeMillis());
112. calendar.add(Calendar.SECOND, amount);
113. Log.d(TAG,"getTimeInSeconds" +calendar.getTime());
114. return calendar;
116. }
118. public void setAlarm() {
119. if(am == null){
120. am = (AlarmManager) this.getContext().getSystemService(Context.ALARM_SERVICE);
121. }
123. Intent i = new Intent(DOOV_LED_TURN_OFF_ACTION);
124. PendingIntent sender = PendingIntent.getBroadcast(this.getContext(), 0, i,PendingIntent.FLAG_CANCEL_CURRENT);
125. am.set(AlarmManager.RTC_WAKEUP, getTimeInSeconds(delaySeconds).getTimeInMillis(), sender);
126. Log.d(TAG,"setAlarm");
127. }
129. public int getValue() {
130. return android.provider.Settings.System.getInt(getContext().getContentResolver(), DISPLAY_LIGHT_TURN_QUARTER, 0);
131. }
132. //zhangle add for notification light end 20150513