Android 默认低电量提示值的设为路径为
frameworks/base/core/res/res/values/config.xml
@@ -1305,7 +1305,7 @@
15
只修改默认不满足需求，所以这里需要改下源码逻辑
diff --git a/frameworks/base/core/res/res/values/config.xml b/frameworks/base/core/res/res/values/config.xml
index 5819c44..7c551b6 100755
--- a/frameworks/base/core/res/res/values/config.xml
+++ b/frameworks/base/core/res/res/values/config.xml
@@ -1305,7 +1305,7 @@
- 15
+ 20 
