Provided by: allegro5-doc_5.2.10.1+dfsg-1build1_all 

NAME
al_android_get_jni_env - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro_android.h>
JNIEnv *al_android_get_jni_env(void)
DESCRIPTION
Returns the Android JNI environment used by Allegro to call into Java. As a convenience this function
provides it to the user so there is no need to obtain it yourself.
For example if you have a Java method “void send(String message)” in your activity class, you could call
it like this from C code:
JNIEnv * env = al_android_get_jni_env();
jclass class_id = (* env)->GetObjectClass(env, al_android_get_activity());
jmethodID method_id = (* env)->GetMethodID(env, class_id, "send",
"(Ljava/lang/String;)V");
jstring jdata = (* env)->NewStringUTF(env, "Hello Java!");
(* env)->CallVoidMethod(env, al_android_get_activity(), method_id, jdata);
(* env)->DeleteLocalRef(env, jdata);
SINCE
5.2.2
[Unstable API]: This API is new and subject to refinement.
Allegro reference manual al_android_get_jni_env(3alleg5)