public static void ProcessRequestPermissionsResult(PermissionRequestCode requestCode, Permission[] grantResults)
{
// Received permission result
System.Diagnostics.Debug.WriteLine($"ProcessRequestPermissionsResult.ProcessRequestPermissionsResult: Received response for {requestCode.ToString()} permission request.");
var action = resultActions.ContainsKey(requestCode) ? resultActions[requestCode] : null;
if (action == null)
{
System.Diagnostics.Debug.WriteLine($"ProcessRequestPermissionsResult.ProcessRequestPermissionsResult: No action mapped to requestCode");
return;
}
// Check if the only required permission has been granted
if (grantResults.All(a => a == Permission.Granted))
{
action?.Invoke(true);
// Location permission has been granted, okay to retrieve the location of the device.
System.Diagnostics.Debug.WriteLine($"ProcessRequestPermissionsResult.ProcessRequestPermissionsResult: {requestCode.ToString()} permission has now been granted.");
}
else
{
action?.Invoke(false);
//var messageService = ServiceFactory.Resolve<IMessageService>();
System.Diagnostics.Debug.WriteLine($"ProcessRequestPermissionsResult.ProcessRequestPermissionsResult: {requestCode.ToString()} permission was NOT granted.");
//messageService.DisplayAlertMessageDialog(DialogMessageTitles.Information, "Unable to fully use this feature without permission.");
}
}
//generate permission messages
public Dictionary <string, string> GetPermissionMessages(PermissionRequestCode reqCode = PermissionRequestCode.Default)
{
Dictionary <string, string> messages = new Dictionary <string, string>();
string granted = "Permission Granted";
string denied = "Permission Denied";
string neverAsk = "Permission can only be granted from device application settings";
switch (reqCode)
{
case PermissionRequestCode.Storage:
neverAsk = "Storage permission (for image orientation) can only be granted from device application settings";
break;
}
if (reqCode != PermissionRequestCode.Default)
{
granted = reqCode + " " + granted;
denied = reqCode + " " + denied;
}
messages.Add("granted", granted);
messages.Add("denied", denied);
messages.Add("neverAsk", neverAsk);
return(messages);
}
private void AddPermission(PermissionRequestCode code)
{
INativeSDK native = this as INativeSDK;
if (!native.HasPermisison(code))
{
mPermissionList.Add(code);
}
}
//check if the application has been granted a permission
public bool HasAccess(string permission, PermissionRequestCode reqCode = PermissionRequestCode.Default, string rationale = "Permision is necessary for optimal functionality", ToastLength toastLength = ToastLength.Short)
{
if ((int)Build.VERSION.SdkInt >= 23)
{
if (CheckSelfPermission(permission) != Permission.Granted)
{
if (ShouldShowRequestPermissionRationale(permission))
{
Toast.MakeText(this, rationale, toastLength).Show();
}
RequestPermissions(new string[1] {
permission
}, (int)reqCode);
return(false);
}
}
return(true);
}
public bool HasPermisison(PermissionRequestCode permission)
{
return(false);
}
bool INativeSDK.HasPermisison(PermissionRequestCode permission)
{
return(true);
}
public static async Task <bool> CheckPermissionAndRequestIfNotGranted(Activity activity, string[] permissions, PermissionRequestCode requestCode, string reason, Action <bool> resultAction)
{
if (activity == null || permissions.Length == 0 || requestCode == 0)
{
System.Diagnostics.Debug.WriteLine("Android6PermissionsHelper.RequestLocationPermissionsIfNotGranted: missing data");
return(false);
}
//Only applicable to Android 6.0 runtime permission system
if (Build.VERSION.SdkInt < BuildVersionCodes.M)
{
//Do not need to grant permission
System.Diagnostics.Debug.WriteLine("Android6PermissionsHelper.RequestLocationPermissionsIfNotGranted: do not need to grant permission");
resultAction?.Invoke(true);
return(true);
}
//Check to see if all permission are granted
if (permissions.All(a => ContextCompat.CheckSelfPermission(activity, a) == Permission.Granted))
{
//Permission already granted
System.Diagnostics.Debug.WriteLine("Android6PermissionsHelper.RequestLocationPermissionsIfNotGranted: permission already granted");
resultAction?.Invoke(true);
return(true);
}
//Need to request permission
if (permissions.Any(a => ActivityCompat.ShouldShowRequestPermissionRationale(activity, a)) &&
string.IsNullOrEmpty(reason) == false)
{
System.Diagnostics.Debug.WriteLine("Android6PermissionsHelper.RequestLocationPermissionsIfNotGranted: Ask for permission showing a reason.");
// Provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
// For example if the user has previously denied the permission.
//var messageService = ServiceFactory.Resolve<IMessageService>();
//if (await messageService.DisplayAlertMessageDialogForResult("Yeah!", reason, "OK", "Cancel"))
{
ActivityCompat.RequestPermissions(activity, permissions, (int)requestCode);
}
}
else
{
//Not the first time or not IBaseView
System.Diagnostics.Debug.WriteLine("Android6PermissionsHelper.RequestLocationPermissionsIfNotGranted: Ask for permission without a reason.");
ActivityCompat.RequestPermissions(activity, permissions, (int)requestCode);
}
if (!resultActions.ContainsKey(requestCode))
{
resultActions.Add(requestCode, resultAction);
}
//Have not got permission - wait for OnRequestPermissionsResult
return(false);
}
/// <summary>
/// 检查用户之前是否拒绝过某个权限
/// </summary>
/// <returns><c>true</c>, if if user has refuse permission before was checked, <c>false</c> otherwise.</returns>
/// <param name="code">Code.</param>
public bool CheckIfUserHasRefusePermissionBefore(PermissionRequestCode code)
{
return(mNative.Call <bool>("checkIfUserRefuseBefore", (int)code));
}
bool INativeSDK.HasPermisison(PermissionRequestCode permission)
{
return(CallMethod <AndroidJavaObject, bool>(mNative, "checkPermission", (int)permission));
}
bool INativeSDK.HasPermisison(PermissionRequestCode permission)
{
return(hasPermission((int)permission));
}
