/// <summary>
/// Gets the current activity.
/// The inspiration for this code came from here:
/// http://stackoverflow.com/questions/11411395/how-to-get-current-foreground-activity-context-in-android
/// </summary>
private static Activity GetActivity()
{
Class activityThreadClass = Class.ForName("android.app.ActivityThread");
Object activityThread = activityThreadClass.GetMethod("currentActivityThread").Invoke(null);
var activitiesField = activityThreadClass.GetDeclaredField("mActivities");
activitiesField.Accessible = true;
ArrayMap activities = (ArrayMap)activitiesField.Get(activityThread);
foreach (Object activityRecord in activities.Values())
{
try
{
Class activityRecordClass = activityRecord.Class;
Field pausedField = activityRecordClass.GetDeclaredField("paused");
pausedField.Accessible = true;
if (!pausedField.GetBoolean(activityRecord))
{
Field activityField = activityRecordClass.GetDeclaredField("activity");
activityField.Accessible = true;
Activity activity = (Activity)activityField.Get(activityRecord);
return(activity);
}
}
catch (Exception)
{
}
}
return(null);
}
