Android中监听电池变化

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private BroadcastReceiver batteryReceiver = new BroadcastReceiver() {@Overridepublic void onReceive(Context context, Intent intent) {if (intent.getAction().equals(Intent.ACTION_BATTERY_CHANGED)) {int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS,BatteryManager.BATTERY_STATUS_UNKNOWN); Log.e("", "level-->" + level + "\nscale-->" + scale + "\nstatus-->" + status);if (status == BatteryManager.BATTERY_STATUS_CHARGING) {ivBattery.setImageResource(R.drawable.battery_chongdian) ;} else {int l = -1;if (level >= 0 && scale > 0) {l = level * 100 / scale;}if (l >= 85) {ivBattery.setImageResource(R.drawable.battery_full);} else if (l >= 70 && l < 85) {ivBattery.setImageResource(R.drawable.battery_bashi) ;} else if (l >= 50 && l < 70) {ivBattery.setImageResource(R.drawable.battery_wushi) ;} else if (l >= 30 && l < 50) {ivBattery.setImageResource(R.drawable.battery_sanshi) ;} else if (l >= 16 && l < 30) {ivBattery.setImageResource(R.drawable.battery_sanshi) ;} else if (l >= 0 && l < 16) {ivBattery.setImageResource(R.drawable.battery_ling) ;}}}}};
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