BatteryHistory.java：在Android源代码的master分支中找不到文件
我编译了 master 分支并在模拟器中运行它。 “备件”菜单中的“电池历史记录”项不起作用。它导致“备件”的“强制关闭”。
DDMS 日志显示错误消息，例如：
04-11 11:13:14.080: E/AndroidRuntime(9593): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.android.settings/com.android.settings.battery_history.BatteryHistory}; have you declared this activity in your AndroidManifest.xml?
我发现“电池历史记录”使用类 com.android.settings.battery_history.BatteryHistory 但该类不再存在。它之前位于存储库 platform/packages/apps/Settings.git 中。我搜索了整个代码库，但找不到这个类。
该文件是否不再开源并被放入某些 JAR 文件中？
I compiled the master branch and run it in the emulator. The "Battery History" item in the "Spare Parts" menu, does not work. It results in "Force close" of "Spare parts".
DDMS log shows error message like:
04-11 11:13:14.080: E/AndroidRuntime(9593): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.android.settings/com.android.settings.battery_history.BatteryHistory}; have you declared this activity in your AndroidManifest.xml?
I found that "Battery History" uses the class com.android.settings.battery_history.BatteryHistory but this class does not exist any more. It was in the repository platform/packages/apps/Settings.git before. I search the whole code base and couldn't find this class.
Has this file become not open-source any more and been put into some JAR files?
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找到了答案。
com.android.settings.battery_history.BatteryHistory 类已被删除。
android.os.BatteryStats用于类似的目的。同一次结帐中的 SpareParts 仍然使用过时的BatteryHistory，因此它不起作用。Found the answer.
Class
com.android.settings.battery_history.BatteryHistoryhas been removed.android.os.BatteryStatsis used for the similar purpose instead. The SpareParts in the same checkout still uses the outdatedBatteryHistory, so it didn't work.