BatteryStatsService主要負責電池電量的統計信息，首先我們簡單的看下電量統計服務的啟動過程。
BatteryStatsService啟動過程
從BatteryStatsService的啟動時序圖可以看出，BatteryStatsServic[……]
標籤: 電池電量
Monitoring the Battery Level and Charging State 監測電池電量和充電狀態
When you're altering the frequency of your background updates to reduce the effect of those updates on battery life, checking the current[……]
Monitoring the Battery Level and Charging State 監測電池電量和充電狀態
When you're altering the frequency of your background updates to reduce the effect of those updates on battery life, checking the current[……]