时间:1个小时左右
代码:50行左右
博客:1
知识点:安卓获取当前电量
private int getSystemBattery(Context context) { int level = 0; Intent batteryInfoIntent = context.getApplicationContext().registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); level = batteryInfoIntent.getIntExtra("level", 0); int batterySum = batteryInfoIntent.getIntExtra("scale", 100); int percentBattery= 100 * level / batterySum; return percentBattery; }