syntax = "proto2"; option java_multiple_files = true; option java_package = "com.android.settings.fuelgauge.batteryusage"; option java_outer_classname = "BatteryEventProto"; enum BatteryEventType { UNKNOWN_EVENT = 0; POWER_CONNECTED = 1; POWER_DISCONNECTED = 2; FULL_CHARGED = 3; EVEN_HOUR = 4; } message BatteryEvent { optional int64 timestamp = 1; optional BatteryEventType type = 2; optional int32 battery_level = 3; }