电源

Android 如何判断手机处于电源充电状态还是USB连接状态？

2019-07-13 23:21发布

站内文章 / 电源技术
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IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED); Intent batteryStatusIntent = registerReceiver(null, ifilter); //如果设备正在充电，可以提取当前的充电状态和充电方式（无论是通过 USB 还是交流充电器），如下所示： // Are we charging / charged? int status = batteryStatusIntent.getIntExtra(BatteryManager.EXTRA_STATUS, -1); boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING || status == BatteryManager.BATTERY_STATUS_FULL; // How are we charging? int chargePlug = batteryStatusIntent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1); boolean usbCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_USB; boolean acCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_AC; if (isCharging) { if (usbCharge) { Toast.makeText(MainActivity.this, "手机正处于USB连接！", Toast.LENGTH_SHORT).show(); } else if (acCharge) { Toast.makeText(MainActivity.this, "手机通过电源充电中！", Toast.LENGTH_SHORT).show(); } } else { Toast.makeText(MainActivity.this, "手机未连接USB线！", Toast.LENGTH_SHORT).show(); } 来源：http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2012/1231/761.html