android 电池状态获取

 

private BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() {
        int intLevel = 0;
        int intScale = 0;

        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            /*
             * 如果捕捉到的action是ACTION_BATTERY_CHANGED， 就运行onBatteryInfoReceiver()
             */
            if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
                intLevel = intent.getIntExtra("level", 0);
                intScale = intent.getIntExtra("scale", 100);

                // 电池伏数
                Log.d("Battery V", "" + intent.getIntExtra("voltage", 0));
                // 电池温度
                Log.d("Battery T", "" + intent.getIntExtra("temperature", 0));
                BatteryV = "当前电压为：" + intent.getIntExtra("voltage", 0);
                BatteryT = "当前温度为：" + intent.getIntExtra("temperature", 0);

                switch (intent.getIntExtra("status",
                        BatteryManager.BATTERY_STATUS_UNKNOWN)) {
                case BatteryManager.BATTERY_STATUS_CHARGING:
                    BatteryStatus = "充电状态";
                    break;
                case BatteryManager.BATTERY_STATUS_DISCHARGING:
                    BatteryStatus = "放电状态";
                    break;
                case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
                    BatteryStatus = "未充电";
                    break;
                case BatteryManager.BATTERY_STATUS_FULL:
                    BatteryStatus = "充满电";
                    break;
                case BatteryManager.BATTERY_STATUS_UNKNOWN:
                    BatteryStatus = "未知道状态";
                    break;
                }
                switch (intent.getIntExtra("plugged",
                        BatteryManager.BATTERY_PLUGGED_AC)) {
                case BatteryManager.BATTERY_PLUGGED_AC:
                    BatteryStatus2 = "AC充电";
                    break;
                case BatteryManager.BATTERY_PLUGGED_USB:
                    BatteryStatus2 = "USB充电";
                    break;
                }

                switch (intent.getIntExtra("health",
                        BatteryManager.BATTERY_HEALTH_UNKNOWN)) {
                case BatteryManager.BATTERY_HEALTH_UNKNOWN:
                    BatteryTemp = "未知错误";
                    break;
                case BatteryManager.BATTERY_HEALTH_GOOD:
                    BatteryTemp = "状态良好";
                    break;
                case BatteryManager.BATTERY_HEALTH_DEAD:
                    BatteryTemp = "电池没有电";
                    break;
                case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
                    BatteryTemp = "电池电压过高";
                    break;
                case BatteryManager.BATTERY_HEALTH_OVERHEAT:
                    BatteryTemp =  "电池过热";
                    break;
                }

            }
        }

    };