RK3288 android 7.1.2屏蔽开机音频

1、首先定位播放音频文件大概位置

2、确认播放音频为 WirelessChargingStarted.ogg

3、根据WirelessChargingStarted名称关键字找到frameworks\base\services\core\java\com\android\server\power\Notifier.java

4、修改

diff --git a/frameworks/base/packages/SettingsProvider/res/values/defaults.xml b/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
index 3083f55..2b4c759 100755
--- a/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
+++ b/frameworks/base/packages/SettingsProvider/res/values/defaults.xml
@@ -66,7 +66,8 @@
true

1
+ 0
/system/media/audio/ui/LowBattery.ogg
0
0

diff --git a/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java b/frameworks/base/packages/SettingsProvider/src/com/android/pr
oviders/settings/DatabaseHelper.java
index f6b3d06..ed1e338 100755
--- a/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
+++ b/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
@@ -2548,6 +2548,11 @@ class DatabaseHelper extends SQLiteOpenHelper {
loadIntegerSetting(stmt, Settings.Secure.SLEEP_TIMEOUT,
R.integer.def_sleep_timeout);

/*
* IMPORTANT: Do not add any more upgrade steps here as the global,
* secure, and system settings are no longer stored in a database
@@ -2676,6 +2681,8 @@ class DatabaseHelper extends SQLiteOpenHelper {
R.string.def_trusted_sound);
loadIntegerSetting(stmt, Settings.Global.POWER_SOUNDS_ENABLED,
R.integer.def_power_sounds_enabled);
+ loadIntegerSetting(stmt, Settings.Global.CHARGING_SOUNDS_ENABLED,
+ R.integer.def_charging_sounds_enabled);
loadStringSetting(stmt, Settings.Global.LOW_BATTERY_SOUND,
R.string.def_low_battery_sound);
loadIntegerSetting(stmt, Settings.Global.DOCK_SOUNDS_ENABLED,

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