public static IntPtr GetMethodID(IntPtr javaClass, string methodName, string signature)
{
bool isStatic = false;
return(AndroidJNIHelper.GetMethodID(javaClass, methodName, signature, isStatic));
}
public static string GetSignature(object obj)
{
if (obj == null)
{
return("Ljava/lang/Object;");
}
Type type = (!(obj is Type)) ? obj.GetType() : ((Type)obj);
if (type.IsPrimitive)
{
if (type.Equals(typeof(int)))
{
return("I");
}
if (type.Equals(typeof(bool)))
{
return("Z");
}
if (type.Equals(typeof(byte)))
{
return("B");
}
if (type.Equals(typeof(short)))
{
return("S");
}
if (type.Equals(typeof(long)))
{
return("J");
}
if (type.Equals(typeof(float)))
{
return("F");
}
if (type.Equals(typeof(double)))
{
return("D");
}
if (type.Equals(typeof(char)))
{
return("C");
}
}
else
{
if (type.Equals(typeof(string)))
{
return("Ljava/lang/String;");
}
// if (type.Equals(typeof(AndroidJavaRunnable)))
// {
// return "Ljava/lang/Runnable;";
// }
if (type.Equals(typeof(AndroidJavaObject)))
{
if (obj == type)
{
return("Ljava/lang/Object;");
}
AndroidJavaObject androidJavaObject = (AndroidJavaObject)obj;
AndroidJavaObject androidJavaObject2;
object[] args = new object[0];
IntPtr cachedMethodID = AndroidJNIHelper.GetMethodID <AndroidJavaObject>(androidJavaObject.GetRawClass(), "getClass", args, false);
jvalue[] args2 = AndroidJNIHelper.CreateJNIArgArray(args);
IntPtr pobj = AndroidJNI.CallObjectMethod(androidJavaObject.GetRawObject(), cachedMethodID, args2);
androidJavaObject2 = new AndroidJavaObject(pobj);
string retStr;
IntPtr cachedMethodID2 = AndroidJNIHelper.GetMethodID <AndroidJavaObject>(androidJavaObject.GetRawClass(), "getName", args, false);
retStr = AndroidJNI.CallStringMethod(androidJavaObject2.GetRawObject(), cachedMethodID2, args2);
return("L" + retStr + ";");
}
else
{
if (typeof(Array).IsAssignableFrom(type))
{
if (type.GetArrayRank() != 1)
{
Debug.Warning("JNI: System.Array in n dimensions is not allowed");
return(string.Empty);
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append('[');
stringBuilder.Append(_AndroidJNIHelper.GetSignature(type.GetElementType()));
return(stringBuilder.ToString());
}
else
{
Debug.Warning(string.Concat(new object[]
{
"JNI: Unknown signature for type '",
type,
"' (obj = ",
obj,
") ",
(type != obj) ? "instance" : "equal"
}));
}
}
}
return(string.Empty);
}
