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al_android_get_jni_env(3) Library Functions Manual al_android_get_jni_env(3) 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(3)
NAME | SYNOPSIS | DESCRIPTION | SINCE
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