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Android.hardware.USB类介绍

时间:2013-06-05 16:34来源: 作者: 点击:

        在最新的Android版本中,android.hardware.USB是一个新增类,提供了USB相关事件的插拔,以及状态模式的广播。这里,可以看到USB连接、断开、是否为U盘、ADB模式等等。定义如下

java代码:
public class Usb {

public static final String ACTION_USB_CONNECTED ="android.hardware.action.USB_CONNECTED";
public static final String ACTION_USB_DISCONNECTED ="android.hardware.action.USB_DISCONNECTED";

public static final String ACTION_USB_STATE =
"android.hardware.action.USB_STATE";

public static final String USB_CONNECTED = "connected";
public static final String USB_FUNCTION_MASS_STORAGE = "mass_storage";
public static final String USB_FUNCTION_ADB = "adb";
public static final String USB_FUNCTION_RNDIS = "rndis";
public static final String USB_FUNCTION_MTP = "mtp";
public static final String USB_FUNCTION_ENABLED = "enabled";
public static final String USB_FUNCTION_DISABLED = "disabled";

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