private int InternalRead(int length, out sbyte[] result)
{
IntPtr resultPtr = AndroidJNI.NewSByteArray(length);
int offset = 0;
int bytesLeft = length;
while (bytesLeft > 0)
{
s_InternalReadArgs[0] = new jvalue()
{
l = resultPtr
};
s_InternalReadArgs[1] = new jvalue()
{
i = offset
};
s_InternalReadArgs[2] = new jvalue()
{
i = bytesLeft
};
int bytesRead = AndroidJNI.CallIntMethod(m_FileStreamRawObject, s_InternalReadMethodId, s_InternalReadArgs);
if (bytesRead <= 0)
{
break;
}
offset += bytesRead;
bytesLeft -= bytesRead;
}
result = AndroidJNI.FromSByteArray(resultPtr);
AndroidJNI.DeleteLocalRef(resultPtr);
return(offset);
}
public override int Read(byte[] buffer, int offset, int count)
{
lock (_lock)
{
int ret = 0;
IntPtr array = IntPtr.Zero;
try
{
#if UNITY_2019_3_OR_NEWER
array = AndroidJNI.NewSByteArray(count);
#else
array = AndroidJNI.NewByteArray(count);
#endif
var method = AndroidJNIHelper.GetMethodID(inputStream.GetRawClass(), "read", "([B)I");
ret = AndroidJNI.CallIntMethod(inputStream.GetRawObject(), method, new[] { new jvalue()
{
l = array
} });
#if UNITY_2019_3_OR_NEWER
sbyte[] data = AndroidJNI.FromSByteArray(array);
#else
byte[] data = AndroidJNI.FromByteArray(array);
#endif
Array.Copy(data, 0, buffer, offset, ret);
}
finally
{
if (array != IntPtr.Zero)
{
AndroidJNI.DeleteLocalRef(array);
}
}
return(ret);
}
}
/// <summary>
/// Call from java get asset file bytes and convert to string
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static string GetAssetString(string path)
{
#if !KENGINE_DLL && UNITY_ANDROID
#if UNITY_2017_1_OR_NEWER
var clsPtr = AndroidJNI.FindClass("com/github/KEngine/AndroidHelper");
var methondPtr_getAssetBytes = AndroidJNIHelper.GetMethodID(clsPtr, "getAssetBytes", "(Ljava/lang/String;)[B", true);
var arg1 = new object[] { path };
var args = AndroidJNIHelper.CreateJNIArgArray(arg1);
var byteArray = AndroidJNI.CallStaticObjectMethod(clsPtr, methondPtr_getAssetBytes, args);
var bytes = AndroidJNI.FromSByteArray(byteArray);
AndroidJNIHelper.DeleteJNIArgArray(arg1, args);
AndroidJNI.DeleteLocalRef(byteArray);
AndroidJNI.DeleteLocalRef(clsPtr);
return(bytes.ToString());
#else
return(AndroidHelper.CallStatic <string>("getAssetString", path));
#endif
#else
ErrorNotSupport();
return(null);
#endif
}
private void UpdateBleDevice(IntPtr device)
{
if (device == IntPtr.Zero)
{
return;
}
AndroidJNI.PushLocalFrame(64);
var blitMethod = AndroidJNI.GetMethodID(bleDeviceCls, "blit", "()V");
var getAddrMethod = AndroidJNI.GetMethodID(bleDeviceCls, "getAddress", "()Ljava/lang/String;");
var readNumMethod = AndroidJNI.GetMethodID(bleDeviceCls, "getReadNum", "()I");
var getCharacteristicMethod = AndroidJNI.GetMethodID(bleDeviceCls, "getCharacteristicFromReadData", "(I)Ljava/lang/String;");
var getServiceUuidMethod = AndroidJNI.GetMethodID(bleDeviceCls, "getServiceUuidFromReadData", "(I)Ljava/lang/String;");
var isNotifyMethod = AndroidJNI.GetMethodID(bleDeviceCls, "isNotifyReadData", "(I)Z");
var getReadDataMethod = AndroidJNI.GetMethodID(bleDeviceCls, "getDataFromReadData", "(I)[B");
string addr = AndroidJNI.CallStringMethod(device, getAddrMethod, null);
this.UpdateCharastricsKeys(addr, device);
// read Charastrics Data
AndroidJNI.CallVoidMethod(device, blitMethod, null);
int readNum = AndroidJNI.CallIntMethod(device, readNumMethod, null);
for (int i = 0; i < readNum; ++i)
{
this.argBuilder.Clear().Append(ArgJvalueBuilder.GenerateJvalue(i));
string serviceUuid = AndroidJNI.CallStringMethod(device, getServiceUuidMethod, argBuilder.Build());
string charastristic = AndroidJNI.CallStringMethod(device, getCharacteristicMethod, argBuilder.Build());
bool isNotify = AndroidJNI.CallBooleanMethod(device, isNotifyMethod, argBuilder.Build());
var dataObj = AndroidJNI.CallObjectMethod(device, getReadDataMethod, argBuilder.Build());
var sbytes = AndroidJNI.FromSByteArray(dataObj);
var characteristicData = new BleCharacteristicData(addr, serviceUuid, charastristic, sbytes, isNotify);
this.readDatas.Add(characteristicData);
}
AndroidJNI.PopLocalFrame(IntPtr.Zero);
}
public override int Read(byte[] buffer, int offset, int count)
{
lock (_lock)
{
int ret = 0;
IntPtr array = IntPtr.Zero;
try
{
array = AndroidJNI.NewSByteArray(count);
var method = AndroidJNIHelper.GetMethodID(inputStream.GetRawClass(), "read", "([B)I");
ret = AndroidJNI.CallIntMethod(inputStream.GetRawObject(), method, new[] { new jvalue()
{
l = array
} });
var data = AndroidJNI.FromSByteArray(array);
if (ret >= 0)
{
//Array.Copy(data, 0, buffer, offset, ret);
Buffer.BlockCopy(data, 0, buffer, offset, ret);
position += ret;
}
else
{
return(0);
}
}
finally
{
if (array != IntPtr.Zero)
{
AndroidJNI.DeleteLocalRef(array);
}
}
return(ret);
}
}
