Delphi XE5 android 获取电池电量

uses 



  AndroidAPI.JNI.GraphicsContentViewText, 

  AndroidAPI.JNI.JavaTypes, 

  AndroidAPI.JNI.OS; 





  







function BatteryPercent(const aContext: JContext): Integer; 

var 

  filter: JIntentFilter; 

  battery: JIntent; 

  level, scale: Integer; 



begin 



  filter := TJIntentFilter.Create; 

  filter.addAction(TJIntent.JavaClass.ACTION_BATTERY_CHANGED); 

  battery := aContext.registerReceiver(NIL, filter); 

  level := battery.getIntExtra(StringToJString('level'), -1); 

  scale := battery.getIntExtra(StringToJString('scale'), -1); 

  result := (100 * level) div scale; 







end; 

获取电池电量代码