SDL_android_main.c
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/*
SDL_android_main.c, placed in the public domain by Sam Lantinga 3/13/14
*/
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#include "SDL_config.h"
#include "SDL.h"
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#ifdef __ANDROID__
/* Include the SDL main definition header */
#include "SDL_main.h"
/*******************************************************************************
Functions called by JNI
*******************************************************************************/
#include <jni.h>
/* Called before SDL_main() to initialize JNI bindings in SDL library */
extern void SDL_Android_Init(JNIEnv* env, jclass cls);
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/* This prototype is needed to prevent a warning about the missing prototype for global function below */
JNIEXPORT int JNICALL Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls, jobject array);
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/* Start up the SDL app */
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JNIEXPORT int JNICALL Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls, jobject array)
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{
int i;
int argc;
int status;
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int len;
char** argv;
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/* This interface could expand with ABI negotiation, callbacks, etc. */
SDL_Android_Init(env, cls);
SDL_SetMainReady();
/* Prepare the arguments. */
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len = (*env)->GetArrayLength(env, array);
argv = SDL_stack_alloc(char*, 1 + len + 1);
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argc = 0;
/* Use the name "app_process" so PHYSFS_platformCalcBaseDir() works.
https://bitbucket.org/MartinFelis/love-android-sdl2/issue/23/release-build-crash-on-start
*/
argv[argc++] = SDL_strdup("app_process");
for (i = 0; i < len; ++i) {
const char* utf;
char* arg = NULL;
jstring string = (*env)->GetObjectArrayElement(env, array, i);
if (string) {
utf = (*env)->GetStringUTFChars(env, string, 0);
if (utf) {
arg = SDL_strdup(utf);
(*env)->ReleaseStringUTFChars(env, string, utf);
}
(*env)->DeleteLocalRef(env, string);
}
if (!arg) {
arg = SDL_strdup("");
}
argv[argc++] = arg;
}
argv[argc] = NULL;
/* Run the application. */
status = SDL_main(argc, argv);
/* Release the arguments. */
for (i = 0; i < argc; ++i) {
SDL_free(argv[i]);
}
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SDL_stack_free(argv);
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/* Do not issue an exit or the whole application will terminate instead of just the SDL thread */
/* exit(status); */
return status;
}
#endif /* __ANDROID__ */
/* vi: set ts=4 sw=4 expandtab: */