feat: implement calling more non-static method types

gojni.h

@@ -29,6 +29,13 @@ __attribute__ ((visibility ("hidden"))) void _jni_CallStaticVoidMethodA(JNIEnv *
 __attribute__ ((visibility ("hidden"))) jobject _jni_CallObjectMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
 __attribute__ ((visibility ("hidden"))) jint _jni_CallIntMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
 __attribute__ ((visibility ("hidden"))) void _jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jboolean _jni_CallBooleanMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jbyte _jni_CallByteMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jchar _jni_CallCharMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jshort _jni_CallShortMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jlong _jni_CallLongMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jfloat _jni_CallFloatMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
+__attribute__ ((visibility ("hidden"))) jdouble _jni_CallDoubleMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
 __attribute__ ((visibility ("hidden"))) jbyteArray _jni_NewByteArray(JNIEnv *env, jsize length);
 __attribute__ ((visibility ("hidden"))) jbyte *_jni_GetByteArrayElements(JNIEnv *env, jbyteArray arr);
 __attribute__ ((visibility ("hidden"))) void _jni_ReleaseByteArrayElements(JNIEnv *env, jbyteArray arr, jbyte *elems, jint mode);

jni.c

@@ -134,6 +134,34 @@ void _jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *ar
 	(*env)->CallVoidMethodA(env, obj, method, args);
 }
 
+jboolean _jni_CallBooleanMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallBooleanMethodA(env, obj, method, args);
+}
+
+jbyte _jni_CallByteMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallByteMethodA(env, obj, method, args);
+}
+
+jchar _jni_CallCharMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallCharMethodA(env, obj, method, args);
+}
+
+jshort _jni_CallShortMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallShortMethodA(env, obj, method, args);
+}
+
+jlong _jni_CallLongMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallLongMethodA(env, obj, method, args);
+}
+
+jfloat _jni_CallFloatMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallFloatMethodA(env, obj, method, args);
+}
+
+jdouble _jni_CallDoubleMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
+	return (*env)->CallDoubleMethodA(env, obj, method, args);
+}
+
 jbyteArray _jni_NewByteArray(JNIEnv *env, jsize length) {
 	return (*env)->NewByteArray(env, length);
 }

jni.go

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-
 // Package jni implements various helper functions for communicating with the
 // Android JVM though JNI.
 package jni
@@ -44,7 +43,7 @@ type (
 )
 
 const (
-	TRUE = C.JNI_TRUE
+	TRUE  = C.JNI_TRUE
 	FALSE = C.JNI_FALSE
 )
 
@@ -155,6 +154,48 @@ func CallIntMethod(e Env, obj Object, method MethodID, args ...Value) (int32, er
 	return int32(res), exception(e)
 }
 
+// CallBooleanMethod calls a method on an object, returning a bool.
+func CallBooleanMethod(e Env, obj Object, method MethodID, args ...Value) (bool, error) {
+	res := C._jni_CallBooleanMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return res == TRUE, exception(e)
+}
+
+// CallByteMethod calls a method on an object, returning a byte.
+func CallByteMethod(e Env, obj Object, method MethodID, args ...Value) (byte, error) {
+	res := C._jni_CallByteMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return byte(res), exception(e)
+}
+
+// CallCharMethod calls a method on an object, returning a rune.
+func CallCharMethod(e Env, obj Object, method MethodID, args ...Value) (rune, error) {
+	res := C._jni_CallCharMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return rune(res), exception(e)
+}
+
+// CallShortMethod calls a method on an object, returning an int32.
+func CallShortMethod(e Env, obj Object, method MethodID, args ...Value) (int16, error) {
+	res := C._jni_CallShortMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return int16(res), exception(e)
+}
+
+// CallLongMethod calls a method on an object, returning an int64.
+func CallLongMethod(e Env, obj Object, method MethodID, args ...Value) (int64, error) {
+	res := C._jni_CallLongMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return int64(res), exception(e)
+}
+
+// CallFloatMethod calls a method on an object, returning a float32.
+func CallFloatMethod(e Env, obj Object, method MethodID, args ...Value) (float32, error) {
+	res := C._jni_CallFloatMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return float32(res), exception(e)
+}
+
+// CallDoubleMethod calls a method on an object, returning a float64.
+func CallDoubleMethod(e Env, obj Object, method MethodID, args ...Value) (float64, error) {
+	res := C._jni_CallDoubleMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
+	return float64(res), exception(e)
+}
+
 // GetByteArrayElements returns the contents of the array.
 func GetByteArrayElements(e Env, jarr ByteArray) []byte {
 	size := C._jni_GetArrayLength(e.env, C.jarray(jarr))