using System;
using System.Runtime.CompilerServices;
using UnityEngine; internal static class JniHelper
{
public static void CallStaticSafe(this AndroidJavaClass clazz, string methodName, params object[] args)
{
PushLocalFrame();
try
{
clazz.CallStatic(methodName, args);
}
finally
{
PopLocalFrame();
}
} public static void CallStaticSafe(this AndroidJavaObject jo, string methodName, params object[] args)
{
PushLocalFrame();
try
{
jo.CallStatic(methodName, args);
}
finally
{
PopLocalFrame();
}
} private static bool DoesHaveLocalReferenceCount(int count)
{
if (AndroidJNI.PushLocalFrame(count) == )
{
AndroidJNI.PopLocalFrame(IntPtr.Zero);
return true;
}
AndroidJNI.ExceptionClear();
return false;
} public static int GetFreeLocalReferenceCount()
{
int num2 = ;
int count = ;
while (DoesHaveLocalReferenceCount(count) && (count < 0x40000000))
{
count *= ;
}
while (count > )
{
int num4 = num2 + count;
if (DoesHaveLocalReferenceCount(num4))
{
num2 = num4;
}
count /= ;
}
return num2;
} public static void PopLocalFrame()
{
AndroidJNI.PopLocalFrame(IntPtr.Zero);
} public static IntPtr PopLocalFrame(IntPtr result)
{
return AndroidJNI.PopLocalFrame(result);
} public static void PushLocalFrame()
{
PushLocalFrame(0x80);
} public static void PushLocalFrame(int capacity)
{
if (AndroidJNI.PushLocalFrame(capacity) != )
{
AndroidJNI.ExceptionClear();
if (AndroidJNI.PushLocalFrame() != )
{
throw new InsufficientMemoryException(string.Format("Failed to allocate memory for {0} local JNI references", capacity));
}
}
}
}