Tizen AppCore Hello World

helloworld.c

// gcc -o helloworld helloworld.c `pkg-config --cflags --libs appcore-efl`

#include <stdio.h>
#include <stdlib.h>
#include <appcore-efl.h>
#include <Ecore.h>
#include <Ecore_Evas.h>

#define WIDTH 1920
#define HEIGHT 1080

static Ecore_Evas *ee;

static int app_create(void *data) {
    Evas *canvas;
    Evas_Object *bg, *text;

    printf("app_create\n");

    ee = ecore_evas_wayland_egl_new (NULL, 0, 0, 0, WIDTH, HEIGHT, EINA_FALSE);
    if (!ee) {
        fprintf(stderr, "ecore_evas_new() failed\n");
        return -1;
    }

    ecore_evas_title_set(ee, "Hello World");
    ecore_evas_show(ee);
    canvas = ecore_evas_get(ee);

    // set background
    bg = evas_object_rectangle_add(canvas);
    if (!bg) {
        fprintf(stderr, "ecore_object_rectangle_add() failed\n");
        return -1;
    }
    evas_object_color_set(bg, 0, 0, 255, 255);
    evas_object_resize(bg, WIDTH, HEIGHT);
    evas_object_move(bg, 0, 0);
    evas_object_show(bg);
    ecore_evas_object_associate(ee, bg, ECORE_EVAS_OBJECT_ASSOCIATE_BASE);

    // show text
    text = evas_object_text_add(canvas);
    if (!text) {
        fprintf(stderr, "ecore_object_text_add() failed\n");
        return -1;
    }
    evas_object_text_style_set(text, EVAS_TEXT_STYLE_PLAIN);
    evas_object_color_set(text, 255, 255, 255, 255);
    evas_object_text_font_set(text, "Courier", 50);
    evas_object_text_text_set(text, "Hello, World!");
    evas_object_resize(text, 3 * WIDTH / 4, HEIGHT / 4);
    evas_object_move(text, WIDTH / 8, 3 * HEIGHT / 8);
    evas_object_show(text);

    return 0;
}

static int app_terminate(void *data) {
    printf("app_terminate\n");

    ecore_evas_free(ee);

    return 0;
}

static int app_pause(void *data) {
    printf("app_pause\n");
    return 0;
}

static int app_resume(void *data) {
    printf("app_resume\n");
    return 0;
}

static int app_reset(bundle *b, void *data) {
    printf("app_reset\n");
    return 0;
}

int main(int argc, char *argv[]) {
    struct appcore_ops ops = {
        .create = app_create,
        .terminate = app_terminate,
        .pause = app_pause,
        .resume = app_resume,
        .reset = app_reset,
        .data = NULL,
    };
    return appcore_efl_main("helloworld", &argc, &argv, &ops); // start mainloop
}