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一、问题描述
在Android 13系统中，通过修改frameworks/base/core/res/res/values/config.xml配置文件，实现灭屏状态下调节音量的功能。

二、修改内容

diff --git a/frameworks/base/core/res/res/values/config.xml b/frameworks/base/core/res/res/values/config.xml
index 2d5a9a95038..21f8e713ec8 100644
--- a/frameworks/base/core/res/res/values/config.xml
+++ b/frameworks/base/core/res/res/values/config.xml
@@ -4284,7 +4284,7 @@<string-array name="config_allowedSecureInstantAppSettings"></string-array><!-- Handle volume keys directly in Window Manager without passing them to the foreground app -->
-    <bool name="config_handleVolumeKeysInWindowManager">false</bool>
+    <bool name="conf