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(Android) AMotionEvent_getAxisValue function pointer - even USB

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joystick support in NDK code requires hacks even in ICS 4.0 and
up - Google worst faildevs of the century
This commit is contained in:
twinaphex 2012-10-27 20:22:00 +02:00
parent 1c32afa715
commit 9cd7181813
1 changed files with 17 additions and 0 deletions
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17
android/native/jni/input_android.c
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@ -14,11 +14,13 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <dlfcn.h>
#include "android-general.h"
#include "../../../general.h"
#include "../../../driver.h"
/* Process the next input event */
static float (*AMotionEvent_getAxisValue)(const AInputEvent* motion_event, int32_t axis, size_t pointer_index) = 0;
static int32_t engine_handle_input(struct android_app* app, AInputEvent* event)
{
@ -34,7 +36,22 @@ static int32_t engine_handle_input(struct android_app* app, AInputEvent* event)
static void *android_input_init(void)
{
void *libandroid = 0;
g_android.app->onInputEvent = engine_handle_input;
/* check if libandroid can be opened */
if((libandroid = dlopen("/system/lib/libandroid.so", RTLD_LOCAL | RTLD_LAZY)) == 0)
{
RARCH_ERR("Unable to open library /system/lib/libandroid.so.\n");
return 0;
}
if((AMotionEvent_getAxisValue = (float (*)(const AInputEvent*, int32_t, size_t))dlsym(libandroid, "AMotionEvent_getAxisValue")) == 0)
{
RARCH_ERR("AMotionEvent_getAxisValue not available on your particular Android version.\n Joystick support will be disabled.\n");
return 0;
}
return (void*)-1;
}