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AndroidJava.cs
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1563 lines (1435 loc) · 68 KB
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// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License
using UnityEngine;
using UnityEngine.Scripting;
using System;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Collections.Generic;
namespace UnityEngine
{
public delegate void AndroidJavaRunnable();
public sealed class AndroidJavaException : Exception
{
private string mJavaStackTrace;
internal AndroidJavaException(string message, string javaStackTrace) : base(message)
{
mJavaStackTrace = javaStackTrace;
}
public override string StackTrace
{
get
{
return mJavaStackTrace + base.StackTrace;
}
}
}
internal class GlobalJavaObjectRef
{
public GlobalJavaObjectRef(IntPtr jobject)
{
m_jobject = (jobject == IntPtr.Zero) ? IntPtr.Zero : AndroidJNI.NewGlobalRef(jobject);
}
~GlobalJavaObjectRef()
{
Dispose();
}
public static implicit operator IntPtr(GlobalJavaObjectRef obj)
{
return obj.m_jobject;
}
private bool m_disposed = false;
public void Dispose()
{
if (m_disposed)
return;
m_disposed = true;
if (m_jobject != IntPtr.Zero)
{
AndroidJNISafe.DeleteGlobalRef(m_jobject);
}
}
protected IntPtr m_jobject;
}
internal class AndroidJavaRunnableProxy : AndroidJavaProxy
{
private AndroidJavaRunnable mRunnable;
public AndroidJavaRunnableProxy(AndroidJavaRunnable runnable) : base("java/lang/Runnable") { mRunnable = runnable; }
public void run() { mRunnable(); }
}
public class AndroidJavaProxy
{
public readonly AndroidJavaClass javaInterface;
public AndroidJavaProxy(string javaInterface) : this(new AndroidJavaClass(javaInterface)) {}
public AndroidJavaProxy(AndroidJavaClass javaInterface)
{
this.javaInterface = javaInterface;
}
~AndroidJavaProxy()
{
AndroidJNISafe.DeleteWeakGlobalRef(proxyObject);
}
public virtual AndroidJavaObject Invoke(string methodName, object[] args)
{
Exception error = null;
BindingFlags binderFlags = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
Type[] argTypes = new Type[args.Length];
for (int i = 0; i < args.Length; ++i)
argTypes[i] = args[i] == null ? typeof(AndroidJavaObject) : args[i].GetType();
try
{
MethodInfo method = GetType().GetMethod(methodName, binderFlags, null, argTypes, null);
if (method != null)
return _AndroidJNIHelper.Box(method.Invoke(this, args));
}
catch (TargetInvocationException invocationError)
{
error = invocationError.InnerException;
}
catch (Exception invocationError)
{
error = invocationError;
}
// Log error
string[] argTypeNames = new string[args.Length];
for (int i = 0; i < argTypes.Length; ++i)
argTypeNames[i] = argTypes[i].ToString();
if (error != null)
throw new TargetInvocationException(GetType() + "." + methodName + "(" + string.Join(",", argTypeNames) + ")", error);
AndroidReflection.SetNativeExceptionOnProxy(GetRawProxy(),
new Exception("No such proxy method: " + GetType() + "." + methodName + "(" + string.Join(",", argTypeNames) + ")"), true);
return null;
}
public virtual AndroidJavaObject Invoke(string methodName, AndroidJavaObject[] javaArgs)
{
object[] args = new object[javaArgs.Length];
for (int i = 0; i < javaArgs.Length; ++i)
{
args[i] = _AndroidJNIHelper.Unbox(javaArgs[i]);
if (!(args[i] is AndroidJavaObject))
{
// If we're not passing a AndroidJavaObject/Class to the proxy, we can safely dispose
// Otherwise the GC would do it eventally, but it might be too slow and hit the global ref limit
if (javaArgs[i] != null)
javaArgs[i].Dispose();
}
}
return Invoke(methodName, args);
}
// implementing equals, hashCode and toString which should be implemented by all java objects
// these methods must be in camel case, because that's how they are defined in java.
public virtual bool equals(AndroidJavaObject obj)
{
IntPtr anotherObject = (obj == null) ? System.IntPtr.Zero : obj.GetRawObject();
return AndroidJNI.IsSameObject(proxyObject, anotherObject);
}
public virtual int hashCode()
{
jvalue[] jniArgs = new jvalue[1];
jniArgs[0].l = GetRawProxy();
return (int)AndroidJNISafe.CallStaticIntMethod(s_JavaLangSystemClass, s_HashCodeMethodID, jniArgs);
}
public virtual string toString()
{
return this + " <c# proxy java object>";
}
internal IntPtr proxyObject = IntPtr.Zero;
internal AndroidJavaObject GetProxyObject()
{
return AndroidJavaObject.AndroidJavaObjectDeleteLocalRef(GetRawProxy());
}
internal IntPtr GetRawProxy()
{
IntPtr ret = IntPtr.Zero;
if (proxyObject != IntPtr.Zero)
{
ret = AndroidJNI.NewLocalRef(proxyObject);
if (ret == IntPtr.Zero)
{
AndroidJNI.DeleteWeakGlobalRef(proxyObject);
proxyObject = IntPtr.Zero;
}
}
if (ret == IntPtr.Zero)
{
ret = AndroidJNIHelper.CreateJavaProxy(this);
proxyObject = AndroidJNI.NewWeakGlobalRef(ret);
}
return ret;
}
private static readonly GlobalJavaObjectRef s_JavaLangSystemClass = new GlobalJavaObjectRef(AndroidJNISafe.FindClass("java/lang/System"));
private static readonly IntPtr s_HashCodeMethodID = AndroidJNIHelper.GetMethodID(s_JavaLangSystemClass, "identityHashCode", "(Ljava/lang/Object;)I", true);
}
public class AndroidJavaObject : IDisposable
{
// Construct an AndroidJavaObject based on the name of the class.
public AndroidJavaObject(string className, string[] args) : this()
{
_AndroidJavaObject(className, (object)args);
}
public AndroidJavaObject(string className, AndroidJavaObject[] args) : this()
{
_AndroidJavaObject(className, (object)args);
}
public AndroidJavaObject(string className, AndroidJavaClass[] args) : this()
{
_AndroidJavaObject(className, (object)args);
}
public AndroidJavaObject(string className, AndroidJavaProxy[] args) : this()
{
_AndroidJavaObject(className, (object)args);
}
public AndroidJavaObject(string className, AndroidJavaRunnable[] args) : this()
{
_AndroidJavaObject(className, (object)args);
}
public AndroidJavaObject(string className, params object[] args) : this()
{
_AndroidJavaObject(className, args);
}
//===================================================================
// IDisposable callback
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
//===================================================================
// Calls a Java method on an object (non-static).
public void Call<T>(string methodName, T[] args)
{
_Call(methodName, (object)args);
}
public void Call(string methodName, params object[] args)
{
_Call(methodName, args);
}
//===================================================================
// Call a static Java method on a class.
public void CallStatic<T>(string methodName, T[] args)
{
_CallStatic(methodName, (object)args);
}
public void CallStatic(string methodName, params object[] args)
{
_CallStatic(methodName, args);
}
//===================================================================
// Get the value of a field in an object (non-static).
public FieldType Get<FieldType>(string fieldName)
{
return _Get<FieldType>(fieldName);
}
// Set the value of a field in an object (non-static).
public void Set<FieldType>(string fieldName, FieldType val)
{
_Set<FieldType>(fieldName, val);
}
//===================================================================
// Get the value of a static field in an object type.
public FieldType GetStatic<FieldType>(string fieldName)
{
return _GetStatic<FieldType>(fieldName);
}
// Set the value of a static field in an object type.
public void SetStatic<FieldType>(string fieldName, FieldType val)
{
_SetStatic<FieldType>(fieldName, val);
}
//===================================================================
// Retrieve the <i>raw</i> jobject pointer to the Java object.
public IntPtr GetRawObject()
{
return _GetRawObject();
}
// Retrieve the <i>raw</i> jclass pointer to the Java class;
public IntPtr GetRawClass()
{
return _GetRawClass();
}
//===================================================================
// Call a Java method on an object.
public ReturnType Call<ReturnType, T>(string methodName, T[] args)
{
return _Call<ReturnType>(methodName, (object)args);
}
public ReturnType Call<ReturnType>(string methodName, params object[] args)
{
return _Call<ReturnType>(methodName, args);
}
// Call a static Java method on a class.
public ReturnType CallStatic<ReturnType, T>(string methodName, T[] args)
{
return _CallStatic<ReturnType>(methodName, (object)args);
}
public ReturnType CallStatic<ReturnType>(string methodName, params object[] args)
{
return _CallStatic<ReturnType>(methodName, args);
}
//===================================================================
private static bool enableDebugPrints = false;
protected void DebugPrint(string msg)
{
if (!enableDebugPrints)
return;
Debug.Log(msg);
}
protected void DebugPrint(string call, string methodName, string signature, object[] args)
{
if (!enableDebugPrints)
return;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (object obj in args)
{
sb.Append(", ");
sb.Append(obj == null ? "<null>" : obj.GetType().ToString());
}
Debug.Log(call + "(\"" + methodName + "\"" + sb + ") = " + signature);
}
//===================================================================
private void _AndroidJavaObject(string className, params object[] args)
{
DebugPrint("Creating AndroidJavaObject from " + className);
if (args == null) args = new object[] { null };
var clazz = AndroidJNISafe.FindClass(className.Replace('.', '/'));
m_jclass = new GlobalJavaObjectRef(clazz);
jvalue[] jniArgs = AndroidJNIHelper.CreateJNIArgArray(args);
try
{
IntPtr constructorID = AndroidJNIHelper.GetConstructorID(m_jclass, args);
IntPtr jobject = AndroidJNISafe.NewObject(m_jclass, constructorID, jniArgs);
m_jobject = new GlobalJavaObjectRef(jobject);
AndroidJNISafe.DeleteLocalRef(jobject);
}
finally
{
AndroidJNIHelper.DeleteJNIArgArray(args, jniArgs);
}
}
internal AndroidJavaObject(IntPtr jobject) : this() // should be protected and friends with AndroidJNIHelper..
{
if (jobject == IntPtr.Zero)
{
throw new Exception("JNI: Init'd AndroidJavaObject with null ptr!");
}
IntPtr jclass = AndroidJNISafe.GetObjectClass(jobject);
m_jobject = new GlobalJavaObjectRef(jobject);
m_jclass = new GlobalJavaObjectRef(jclass);
AndroidJNISafe.DeleteLocalRef(jclass);
}
internal AndroidJavaObject()
{
}
~AndroidJavaObject()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (m_jobject != null)
{
m_jobject.Dispose();
m_jobject = null;
}
if (m_jclass != null)
{
m_jclass.Dispose();
m_jclass = null;
}
}
//===================================================================
protected void _Call(string methodName, params object[] args)
{
if (args == null) args = new object[] { null };
IntPtr methodID = AndroidJNIHelper.GetMethodID(m_jclass, methodName, args, false);
jvalue[] jniArgs = AndroidJNIHelper.CreateJNIArgArray(args);
try
{
AndroidJNISafe.CallVoidMethod(m_jobject, methodID, jniArgs);
}
finally
{
AndroidJNIHelper.DeleteJNIArgArray(args, jniArgs);
}
}
protected ReturnType _Call<ReturnType>(string methodName, params object[] args)
{
if (args == null) args = new object[] { null };
IntPtr methodID = AndroidJNIHelper.GetMethodID<ReturnType>(m_jclass, methodName, args, false);
jvalue[] jniArgs = AndroidJNIHelper.CreateJNIArgArray(args);
try
{
if (AndroidReflection.IsPrimitive(typeof(ReturnType)))
{
if (typeof(ReturnType) == typeof(Int32))
return (ReturnType)(object)AndroidJNISafe.CallIntMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Boolean))
return (ReturnType)(object)AndroidJNISafe.CallBooleanMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Byte))
{
Debug.LogWarning("Return type <Byte> for Java method call is obsolete, use return type <SByte> instead");
return (ReturnType)(object)(Byte)AndroidJNISafe.CallSByteMethod(m_jobject, methodID, jniArgs);
}
else if (typeof(ReturnType) == typeof(SByte))
return (ReturnType)(object)AndroidJNISafe.CallSByteMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Int16))
return (ReturnType)(object)AndroidJNISafe.CallShortMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Int64))
return (ReturnType)(object)AndroidJNISafe.CallLongMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Single))
return (ReturnType)(object)AndroidJNISafe.CallFloatMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Double))
return (ReturnType)(object)AndroidJNISafe.CallDoubleMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Char))
return (ReturnType)(object)AndroidJNISafe.CallCharMethod(m_jobject, methodID, jniArgs);
}
else if (typeof(ReturnType) == typeof(String))
return (ReturnType)(object)AndroidJNISafe.CallStringMethod(m_jobject, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(AndroidJavaClass))
{
IntPtr jclass = AndroidJNISafe.CallObjectMethod(m_jobject, methodID, jniArgs);
return (jclass == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJavaClassDeleteLocalRef(jclass);
}
else if (typeof(ReturnType) == typeof(AndroidJavaObject))
{
IntPtr jobject = AndroidJNISafe.CallObjectMethod(m_jobject, methodID, jniArgs);
return (jobject == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJavaObjectDeleteLocalRef(jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(ReturnType)))
{
IntPtr jobject = AndroidJNISafe.CallObjectMethod(m_jobject, methodID, jniArgs);
return (jobject == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJNIHelper.ConvertFromJNIArray<ReturnType>(jobject);
}
else
{
throw new Exception("JNI: Unknown return type '" + typeof(ReturnType) + "'");
}
return default(ReturnType);
}
finally
{
AndroidJNIHelper.DeleteJNIArgArray(args, jniArgs);
}
}
//===================================================================
protected FieldType _Get<FieldType>(string fieldName)
{
IntPtr fieldID = AndroidJNIHelper.GetFieldID<FieldType>(m_jclass, fieldName, false);
if (AndroidReflection.IsPrimitive(typeof(FieldType)))
{
if (typeof(FieldType) == typeof(Int32))
return (FieldType)(object)AndroidJNISafe.GetIntField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Boolean))
return (FieldType)(object)AndroidJNISafe.GetBooleanField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Byte))
{
Debug.LogWarning("Field type <Byte> for Java get field call is obsolete, use field type <SByte> instead");
return (FieldType)(object)(Byte)AndroidJNISafe.GetSByteField(m_jobject, fieldID);
}
else if (typeof(FieldType) == typeof(SByte))
return (FieldType)(object)AndroidJNISafe.GetSByteField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Int16))
return (FieldType)(object)AndroidJNISafe.GetShortField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Int64))
return (FieldType)(object)AndroidJNISafe.GetLongField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Single))
return (FieldType)(object)AndroidJNISafe.GetFloatField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Double))
return (FieldType)(object)AndroidJNISafe.GetDoubleField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(Char))
return (FieldType)(object)AndroidJNISafe.GetCharField(m_jobject, fieldID);
}
else if (typeof(FieldType) == typeof(String))
return (FieldType)(object)AndroidJNISafe.GetStringField(m_jobject, fieldID);
else if (typeof(FieldType) == typeof(AndroidJavaClass))
{
IntPtr jclass = AndroidJNISafe.GetObjectField(m_jobject, fieldID);
return (jclass == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJavaClassDeleteLocalRef(jclass);
}
else if (typeof(FieldType) == typeof(AndroidJavaObject))
{
IntPtr jobject = AndroidJNISafe.GetObjectField(m_jobject, fieldID);
return (jobject == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJavaObjectDeleteLocalRef(jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(FieldType)))
{
IntPtr jobject = AndroidJNISafe.GetObjectField(m_jobject, fieldID);
return (jobject == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJNIHelper.ConvertFromJNIArray<FieldType>(jobject);
}
else
{
throw new Exception("JNI: Unknown field type '" + typeof(FieldType) + "'");
}
return default(FieldType);
}
protected void _Set<FieldType>(string fieldName, FieldType val)
{
IntPtr fieldID = AndroidJNIHelper.GetFieldID<FieldType>(m_jclass, fieldName, false);
if (AndroidReflection.IsPrimitive(typeof(FieldType)))
{
if (typeof(FieldType) == typeof(Int32))
AndroidJNISafe.SetIntField(m_jobject, fieldID, (Int32)(object)val);
else if (typeof(FieldType) == typeof(Boolean))
AndroidJNISafe.SetBooleanField(m_jobject, fieldID, (Boolean)(object)val);
else if (typeof(FieldType) == typeof(Byte))
{
Debug.LogWarning("Field type <Byte> for Java set field call is obsolete, use field type <SByte> instead");
AndroidJNISafe.SetSByteField(m_jobject, fieldID, (SByte)(Byte)(object)val);
}
else if (typeof(FieldType) == typeof(SByte))
AndroidJNISafe.SetSByteField(m_jobject, fieldID, (SByte)(object)val);
else if (typeof(FieldType) == typeof(Int16))
AndroidJNISafe.SetShortField(m_jobject, fieldID, (Int16)(object)val);
else if (typeof(FieldType) == typeof(Int64))
AndroidJNISafe.SetLongField(m_jobject, fieldID, (Int64)(object)val);
else if (typeof(FieldType) == typeof(Single))
AndroidJNISafe.SetFloatField(m_jobject, fieldID, (Single)(object)val);
else if (typeof(FieldType) == typeof(Double))
AndroidJNISafe.SetDoubleField(m_jobject, fieldID, (Double)(object)val);
else if (typeof(FieldType) == typeof(Char))
AndroidJNISafe.SetCharField(m_jobject, fieldID, (Char)(object)val);
}
else if (typeof(FieldType) == typeof(String))
AndroidJNISafe.SetStringField(m_jobject, fieldID, (String)(object)val);
else if (typeof(FieldType) == typeof(AndroidJavaClass))
{
AndroidJNISafe.SetObjectField(m_jobject, fieldID, val == null ? IntPtr.Zero : ((AndroidJavaClass)(object)val).m_jclass);
}
else if (typeof(FieldType) == typeof(AndroidJavaObject))
{
AndroidJNISafe.SetObjectField(m_jobject, fieldID, val == null ? IntPtr.Zero : ((AndroidJavaObject)(object)val).m_jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(FieldType)))
{
IntPtr jobject = AndroidJNIHelper.ConvertToJNIArray((Array)(object)val);
AndroidJNISafe.SetObjectField(m_jclass, fieldID, jobject);
}
else
{
throw new Exception("JNI: Unknown field type '" + typeof(FieldType) + "'");
}
}
//===================================================================
protected void _CallStatic(string methodName, params object[] args)
{
if (args == null) args = new object[] { null };
IntPtr methodID = AndroidJNIHelper.GetMethodID(m_jclass, methodName, args, true);
jvalue[] jniArgs = AndroidJNIHelper.CreateJNIArgArray(args);
try
{
AndroidJNISafe.CallStaticVoidMethod(m_jclass, methodID, jniArgs);
}
finally
{
AndroidJNIHelper.DeleteJNIArgArray(args, jniArgs);
}
}
protected ReturnType _CallStatic<ReturnType>(string methodName, params object[] args)
{
if (args == null) args = new object[] { null };
IntPtr methodID = AndroidJNIHelper.GetMethodID<ReturnType>(m_jclass, methodName, args, true);
jvalue[] jniArgs = AndroidJNIHelper.CreateJNIArgArray(args);
try
{
if (AndroidReflection.IsPrimitive(typeof(ReturnType)))
{
if (typeof(ReturnType) == typeof(Int32))
return (ReturnType)(object)AndroidJNISafe.CallStaticIntMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Boolean))
return (ReturnType)(object)AndroidJNISafe.CallStaticBooleanMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Byte))
{
Debug.LogWarning("Return type <Byte> for Java method call is obsolete, use return type <SByte> instead");
return (ReturnType)(object)(Byte)AndroidJNISafe.CallStaticSByteMethod(m_jclass, methodID, jniArgs);
}
else if (typeof(ReturnType) == typeof(SByte))
return (ReturnType)(object)AndroidJNISafe.CallStaticSByteMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Int16))
return (ReturnType)(object)AndroidJNISafe.CallStaticShortMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Int64))
return (ReturnType)(object)AndroidJNISafe.CallStaticLongMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Single))
return (ReturnType)(object)AndroidJNISafe.CallStaticFloatMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Double))
return (ReturnType)(object)AndroidJNISafe.CallStaticDoubleMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(Char))
return (ReturnType)(object)AndroidJNISafe.CallStaticCharMethod(m_jclass, methodID, jniArgs);
}
else if (typeof(ReturnType) == typeof(String))
return (ReturnType)(object)AndroidJNISafe.CallStaticStringMethod(m_jclass, methodID, jniArgs);
else if (typeof(ReturnType) == typeof(AndroidJavaClass))
{
IntPtr jclass = AndroidJNISafe.CallStaticObjectMethod(m_jclass, methodID, jniArgs);
return (jclass == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJavaClassDeleteLocalRef(jclass);
}
else if (typeof(ReturnType) == typeof(AndroidJavaObject))
{
IntPtr jobject = AndroidJNISafe.CallStaticObjectMethod(m_jclass, methodID, jniArgs);
return (jobject == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJavaObjectDeleteLocalRef(jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(ReturnType)))
{
IntPtr jobject = AndroidJNISafe.CallStaticObjectMethod(m_jclass, methodID, jniArgs);
return (jobject == IntPtr.Zero) ? default(ReturnType) : (ReturnType)(object)AndroidJNIHelper.ConvertFromJNIArray<ReturnType>(jobject);
}
else
{
throw new Exception("JNI: Unknown return type '" + typeof(ReturnType) + "'");
}
return default(ReturnType);
}
finally
{
AndroidJNIHelper.DeleteJNIArgArray(args, jniArgs);
}
}
//===================================================================
protected FieldType _GetStatic<FieldType>(string fieldName)
{
IntPtr fieldID = AndroidJNIHelper.GetFieldID<FieldType>(m_jclass, fieldName, true);
if (AndroidReflection.IsPrimitive(typeof(FieldType)))
{
if (typeof(FieldType) == typeof(Int32))
return (FieldType)(object)AndroidJNISafe.GetStaticIntField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Boolean))
return (FieldType)(object)AndroidJNISafe.GetStaticBooleanField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Byte))
{
Debug.LogWarning("Field type <Byte> for Java get field call is obsolete, use field type <SByte> instead");
return (FieldType)(object)(Byte)AndroidJNISafe.GetStaticSByteField(m_jclass, fieldID);
}
else if (typeof(FieldType) == typeof(SByte))
return (FieldType)(object)AndroidJNISafe.GetStaticSByteField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Int16))
return (FieldType)(object)AndroidJNISafe.GetStaticShortField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Int64))
return (FieldType)(object)AndroidJNISafe.GetStaticLongField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Single))
return (FieldType)(object)AndroidJNISafe.GetStaticFloatField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Double))
return (FieldType)(object)AndroidJNISafe.GetStaticDoubleField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(Char))
return (FieldType)(object)AndroidJNISafe.GetStaticCharField(m_jclass, fieldID);
}
else if (typeof(FieldType) == typeof(String))
return (FieldType)(object)AndroidJNISafe.GetStaticStringField(m_jclass, fieldID);
else if (typeof(FieldType) == typeof(AndroidJavaClass))
{
IntPtr jclass = AndroidJNISafe.GetStaticObjectField(m_jclass, fieldID);
return (jclass == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJavaClassDeleteLocalRef(jclass);
}
else if (typeof(FieldType) == typeof(AndroidJavaObject))
{
IntPtr jobject = AndroidJNISafe.GetStaticObjectField(m_jclass, fieldID);
return (jobject == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJavaObjectDeleteLocalRef(jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(FieldType)))
{
IntPtr jobject = AndroidJNISafe.GetStaticObjectField(m_jclass, fieldID);
return (jobject == IntPtr.Zero) ? default(FieldType) : (FieldType)(object)AndroidJNIHelper.ConvertFromJNIArray<FieldType>(jobject);
}
else
{
throw new Exception("JNI: Unknown field type '" + typeof(FieldType) + "'");
}
return default(FieldType);
}
protected void _SetStatic<FieldType>(string fieldName, FieldType val)
{
IntPtr fieldID = AndroidJNIHelper.GetFieldID<FieldType>(m_jclass, fieldName, true);
if (AndroidReflection.IsPrimitive(typeof(FieldType)))
{
if (typeof(FieldType) == typeof(Int32))
AndroidJNISafe.SetStaticIntField(m_jclass, fieldID, (Int32)(object)val);
else if (typeof(FieldType) == typeof(Boolean))
AndroidJNISafe.SetStaticBooleanField(m_jclass, fieldID, (Boolean)(object)val);
else if (typeof(FieldType) == typeof(Byte))
{
Debug.LogWarning("Field type <Byte> for Java set field call is obsolete, use field type <SByte> instead");
AndroidJNISafe.SetStaticSByteField(m_jclass, fieldID, (SByte)(Byte)(object)val);
}
else if (typeof(FieldType) == typeof(SByte))
AndroidJNISafe.SetStaticSByteField(m_jclass, fieldID, (SByte)(object)val);
else if (typeof(FieldType) == typeof(Int16))
AndroidJNISafe.SetStaticShortField(m_jclass, fieldID, (Int16)(object)val);
else if (typeof(FieldType) == typeof(Int64))
AndroidJNISafe.SetStaticLongField(m_jclass, fieldID, (Int64)(object)val);
else if (typeof(FieldType) == typeof(Single))
AndroidJNISafe.SetStaticFloatField(m_jclass, fieldID, (Single)(object)val);
else if (typeof(FieldType) == typeof(Double))
AndroidJNISafe.SetStaticDoubleField(m_jclass, fieldID, (Double)(object)val);
else if (typeof(FieldType) == typeof(Char))
AndroidJNISafe.SetStaticCharField(m_jclass, fieldID, (Char)(object)val);
}
else if (typeof(FieldType) == typeof(String))
AndroidJNISafe.SetStaticStringField(m_jclass, fieldID, (String)(object)val);
else if (typeof(FieldType) == typeof(AndroidJavaClass))
{
AndroidJNISafe.SetStaticObjectField(m_jclass, fieldID, val == null ? IntPtr.Zero : ((AndroidJavaClass)(object)val).m_jclass);
}
else if (typeof(FieldType) == typeof(AndroidJavaObject))
{
AndroidJNISafe.SetStaticObjectField(m_jclass, fieldID, val == null ? IntPtr.Zero : ((AndroidJavaObject)(object)val).m_jobject);
}
else if (AndroidReflection.IsAssignableFrom(typeof(System.Array), typeof(FieldType)))
{
IntPtr jobject = AndroidJNIHelper.ConvertToJNIArray((Array)(object)val);
AndroidJNISafe.SetStaticObjectField(m_jclass, fieldID, jobject);
}
else
{
throw new Exception("JNI: Unknown field type '" + typeof(FieldType) + "'");
}
}
internal static AndroidJavaObject AndroidJavaObjectDeleteLocalRef(IntPtr jobject)
{
try { return new AndroidJavaObject(jobject); } finally { AndroidJNISafe.DeleteLocalRef(jobject); }
}
internal static AndroidJavaClass AndroidJavaClassDeleteLocalRef(IntPtr jclass)
{
try { return new AndroidJavaClass(jclass); } finally { AndroidJNISafe.DeleteLocalRef(jclass); }
}
//===================================================================
protected IntPtr _GetRawObject() { return m_jobject; }
protected IntPtr _GetRawClass() { return m_jclass; }
internal GlobalJavaObjectRef m_jobject;
internal GlobalJavaObjectRef m_jclass; // use this for static lookups; reset in subclases
}
public class AndroidJavaClass : AndroidJavaObject
{
// Construct an AndroidJavaClass from the class name
public AndroidJavaClass(string className) : base()
{
_AndroidJavaClass(className);
}
private void _AndroidJavaClass(string className)
{
DebugPrint("Creating AndroidJavaClass from " + className);
var clazz = AndroidJNISafe.FindClass(className.Replace('.', '/'));
m_jclass = new GlobalJavaObjectRef(clazz /*.GetRawObject()*/);
m_jobject = new GlobalJavaObjectRef(IntPtr.Zero);
}
internal AndroidJavaClass(IntPtr jclass) // should be protected and friends with AndroidJNIHelper..
{
if (jclass == IntPtr.Zero)
{
throw new Exception("JNI: Init'd AndroidJavaClass with null ptr!");
}
m_jclass = new GlobalJavaObjectRef(jclass);
m_jobject = new GlobalJavaObjectRef(IntPtr.Zero);
}
}
internal class AndroidReflection
{
public static bool IsPrimitive(System.Type t)
{
return t.IsPrimitive;
}
public static bool IsAssignableFrom(System.Type t, System.Type from)
{
return t.IsAssignableFrom(from);
}
private static IntPtr GetStaticMethodID(string clazz, string methodName, string signature)
{
IntPtr jclass = AndroidJNISafe.FindClass(clazz);
try
{
return AndroidJNISafe.GetStaticMethodID(jclass, methodName, signature);
}
finally
{
AndroidJNISafe.DeleteLocalRef(jclass);
}
}
private static IntPtr GetMethodID(string clazz, string methodName, string signature)
{
IntPtr jclass = AndroidJNISafe.FindClass(clazz);
try
{
return AndroidJNISafe.GetMethodID(jclass, methodName, signature);
}
finally
{
AndroidJNISafe.DeleteLocalRef(jclass);
}
}
private const string RELECTION_HELPER_CLASS_NAME = "com/unity3d/player/ReflectionHelper";
private static readonly GlobalJavaObjectRef s_ReflectionHelperClass = new GlobalJavaObjectRef(AndroidJNISafe.FindClass(RELECTION_HELPER_CLASS_NAME));
private static readonly IntPtr s_ReflectionHelperGetConstructorID = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "getConstructorID", "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/reflect/Constructor;");
private static readonly IntPtr s_ReflectionHelperGetMethodID = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "getMethodID", "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/reflect/Method;");
private static readonly IntPtr s_ReflectionHelperGetFieldID = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "getFieldID", "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/reflect/Field;");
private static readonly IntPtr s_ReflectionHelperGetFieldSignature = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "getFieldSignature", "(Ljava/lang/reflect/Field;)Ljava/lang/String;");
private static readonly IntPtr s_ReflectionHelperNewProxyInstance = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "newProxyInstance", "(JLjava/lang/Class;)Ljava/lang/Object;");
private static readonly IntPtr s_ReflectionHelperSetNativeExceptionOnProxy = GetStaticMethodID(RELECTION_HELPER_CLASS_NAME, "setNativeExceptionOnProxy", "(Ljava/lang/Object;JZ)V");
private static readonly IntPtr s_FieldGetDeclaringClass = GetMethodID("java/lang/reflect/Field", "getDeclaringClass", "()Ljava/lang/Class;");
public static IntPtr GetConstructorMember(IntPtr jclass, string signature)
{
jvalue[] jniArgs = new jvalue[2];
try
{
jniArgs[0].l = jclass;
jniArgs[1].l = AndroidJNISafe.NewString(signature);
return AndroidJNISafe.CallStaticObjectMethod(s_ReflectionHelperClass, s_ReflectionHelperGetConstructorID, jniArgs);
}
finally
{
AndroidJNISafe.DeleteLocalRef(jniArgs[1].l);
}
}
public static IntPtr GetMethodMember(IntPtr jclass, string methodName, string signature, bool isStatic)
{
jvalue[] jniArgs = new jvalue[4];
try
{
jniArgs[0].l = jclass;
jniArgs[1].l = AndroidJNISafe.NewString(methodName);
jniArgs[2].l = AndroidJNISafe.NewString(signature);
jniArgs[3].z = isStatic;
return AndroidJNISafe.CallStaticObjectMethod(s_ReflectionHelperClass, s_ReflectionHelperGetMethodID, jniArgs);
}
finally
{
AndroidJNISafe.DeleteLocalRef(jniArgs[1].l);
AndroidJNISafe.DeleteLocalRef(jniArgs[2].l);
}
}
public static IntPtr GetFieldMember(IntPtr jclass, string fieldName, string signature, bool isStatic)
{
jvalue[] jniArgs = new jvalue[4];
try
{
jniArgs[0].l = jclass;
jniArgs[1].l = AndroidJNISafe.NewString(fieldName);
jniArgs[2].l = AndroidJNISafe.NewString(signature);
jniArgs[3].z = isStatic;
return AndroidJNISafe.CallStaticObjectMethod(s_ReflectionHelperClass, s_ReflectionHelperGetFieldID, jniArgs);
}
finally
{
AndroidJNISafe.DeleteLocalRef(jniArgs[1].l);
AndroidJNISafe.DeleteLocalRef(jniArgs[2].l);
}
}
public static IntPtr GetFieldClass(IntPtr field)
{
return AndroidJNISafe.CallObjectMethod(field, s_FieldGetDeclaringClass, null);
}
public static string GetFieldSignature(IntPtr field)
{
jvalue[] jniArgs = new jvalue[1];
jniArgs[0].l = field;
return AndroidJNISafe.CallStaticStringMethod(s_ReflectionHelperClass, s_ReflectionHelperGetFieldSignature, jniArgs);
}
public static IntPtr NewProxyInstance(IntPtr delegateHandle, IntPtr interfaze)
{
jvalue[] jniArgs = new jvalue[2];
jniArgs[0].j = delegateHandle.ToInt64();
jniArgs[1].l = interfaze;
return AndroidJNISafe.CallStaticObjectMethod(s_ReflectionHelperClass, s_ReflectionHelperNewProxyInstance, jniArgs);
}
public static void SetNativeExceptionOnProxy(IntPtr proxy, Exception e, bool methodNotFound)
{
jvalue[] jniArgs = new jvalue[3];
jniArgs[0].l = proxy;
jniArgs[1].j = GCHandle.ToIntPtr(GCHandle.Alloc(e)).ToInt64();
jniArgs[2].z = methodNotFound;
AndroidJNISafe.CallStaticVoidMethod(s_ReflectionHelperClass, s_ReflectionHelperSetNativeExceptionOnProxy, jniArgs);
}
}
[UsedByNativeCode]
sealed class _AndroidJNIHelper
{
public static IntPtr CreateJavaProxy(IntPtr delegateHandle, AndroidJavaProxy proxy)
{
return AndroidReflection.NewProxyInstance(delegateHandle, proxy.javaInterface.GetRawClass());
}
public static IntPtr CreateJavaRunnable(AndroidJavaRunnable jrunnable)
{
return AndroidJNIHelper.CreateJavaProxy(new AndroidJavaRunnableProxy(jrunnable));
}
[RequiredByNativeCode]
public static IntPtr InvokeJavaProxyMethod(AndroidJavaProxy proxy, IntPtr jmethodName, IntPtr jargs)
{
try
{
int arrayLen = 0;
if (jargs != IntPtr.Zero)
{
arrayLen = AndroidJNISafe.GetArrayLength(jargs);
}
AndroidJavaObject[] args = new AndroidJavaObject[arrayLen];
for (int i = 0; i < arrayLen; ++i)
{
IntPtr objectRef = AndroidJNISafe.GetObjectArrayElement(jargs, i);
args[i] = objectRef != IntPtr.Zero ? new AndroidJavaObject(objectRef) : null;
}
using (AndroidJavaObject result = proxy.Invoke(AndroidJNI.GetStringChars(jmethodName), args))
{
if (result == null)
return IntPtr.Zero;
return AndroidJNI.NewLocalRef(result.GetRawObject());
}
}
catch (Exception e)
{
AndroidReflection.SetNativeExceptionOnProxy(proxy.GetRawProxy(), e, false);
return IntPtr.Zero;
}
}
public static jvalue[] CreateJNIArgArray(object[] args)
{
jvalue[] ret = new jvalue[args.GetLength(0)];
int i = 0;
foreach (object obj in args)
{
if (obj == null)
ret[i].l = System.IntPtr.Zero;
else if (AndroidReflection.IsPrimitive(obj.GetType()))
{
if (obj is System.Int32)
ret[i].i = (System.Int32)obj;
else if (obj is System.Boolean)
ret[i].z = (System.Boolean)obj;
else if (obj is System.Byte)
{
Debug.LogWarning("Passing Byte arguments to Java methods is obsolete, pass SByte parameters instead");
ret[i].b = (System.SByte)(System.Byte) obj;