我有一个Windows窗体应用程序。我想更改更改通过USB连接到PC的Android设备移动数据。
如何使用Xamarin在Windows Form Application中更改Android设备移动数据的状态。
有什么方法可以更改移动数据的状态?
最佳答案
应该这样做:
void SetMobileDataEnabled(bool enabled)
{
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.L) {
Console.WriteLine ("Device does not support mobile data toggling.");
return;
}
try {
if (Build.VERSION.SdkInt <= Android.OS.BuildVersionCodes.KitkatWatch
&& Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Gingerbread) {
Android.Net.ConnectivityManager conman = (Android.Net.ConnectivityManager)GetSystemService (ConnectivityService);
Java.Lang.Class conmanClass = Java.Lang.Class.ForName (conman.Class.Name);
Java.Lang.Reflect.Field iConnectivityManagerField = conmanClass.GetDeclaredField ("mService");
iConnectivityManagerField.Accessible = true;
Java.Lang.Object iConnectivityManager = iConnectivityManagerField.Get (conman);
Java.Lang.Class iConnectivityManagerClass = Java.Lang.Class.ForName (iConnectivityManager.Class.Name);
Java.Lang.Reflect.Method setMobileDataEnabledMethod = iConnectivityManagerClass.GetDeclaredMethod ("setMobileDataEnabled", Java.Lang.Boolean.Type);
setMobileDataEnabledMethod.Accessible = true;
setMobileDataEnabledMethod.Invoke (iConnectivityManager, enabled);
}
if (Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.Gingerbread) {
TelephonyManager tm = (TelephonyManager)GetSystemService (Context.TelephonyService);
Java.Lang.Class telephonyClass = Java.Lang.Class.ForName (tm.Class.Name);
Java.Lang.Reflect.Method getITelephonyMethod = telephonyClass.GetDeclaredMethod ("getITelephony");
getITelephonyMethod.Accessible = true;
Java.Lang.Object stub = getITelephonyMethod.Invoke (tm);
Java.Lang.Class ITelephonyClass = Java.Lang.Class.ForName (stub.Class.Name);
Java.Lang.Reflect.Method dataConnSwitchMethod = null;
if (enabled) {
dataConnSwitchMethod = ITelephonyClass
.GetDeclaredMethod ("disableDataConnectivity");
} else {
dataConnSwitchMethod = ITelephonyClass
.GetDeclaredMethod ("enableDataConnectivity");
}
dataConnSwitchMethod.Accessible = true;
dataConnSwitchMethod.Invoke (stub);
}
} catch (Exception ex) {
Console.WriteLine ("Device does not support mobile data toggling.");
}
}
在清单中启用
ChangeNetworkState
和ModifyPhoneState
权限。Android L当前没有可用的方法来禁用/启用移动数据。