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#include <pebble.h> |
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#include <inttypes.h> |
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#include "pebble_utils.h" |
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#define KEY_TEMPERATURE 0 |
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#define KEY_CONDITIONS 1 |
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#define KEY_ROOM_TEMP 2 |
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#define WEATHER_TIME 0 |
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// Function signatures |
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static void update_time(); |
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static void tick_handler(struct tm *tick_time, TimeUnits units_changed); |
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static void main_window_load(Window *window); |
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static void main_window_unload(Window *window); |
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static void init(); |
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static void deinit(); |
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static void inbox_received_callback(DictionaryIterator *iterator, void *context); |
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static void inbox_dropped_callback(AppMessageResult reason, void *context); |
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static void outbox_failed_callback(DictionaryIterator *iterator, AppMessageResult reason, void *context); |
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static void outbox_sent_callback(DictionaryIterator *iterator, void *context); |
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// Global variables |
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static Window *s_main_window; |
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static TextLayer *s_time_layer; |
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static TextLayer *s_weather_layer; |
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static TextLayer *s_room_layer; |
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static TextLayer *s_daymonth_layer; |
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static GFont s_time_font; |
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static GFont s_weather_font; |
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static GFont s_date_font; |
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static BitmapLayer *s_background_layer; |
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static GBitmap *s_background_bitmap; |
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int main(void) { |
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init(); |
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app_event_loop(); |
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deinit(); |
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} |
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static void update_time() { |
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// Get a tm structure |
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const time_t temp = time(NULL); |
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const struct tm *tick_time = localtime(&temp); |
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// Create a long-lived buffer |
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static char buffer[] = "00:00"; |
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// Write the current hours and minutes into the buffer |
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if (clock_is_24h_style()) { |
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// Use 24 hour format |
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strftime(buffer, sizeof(buffer), "%H:%M", tick_time); |
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} else { |
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// Use 12 hour format |
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strftime(buffer, sizeof(buffer), "%I:%M", tick_time); |
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} |
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// Display this time on the TextLayer |
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text_layer_set_text(s_time_layer, buffer); |
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} |
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static void update_date() { |
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// Get a tm structure |
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const time_t temp = time(NULL); |
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const struct tm *tick_time = localtime(&temp); |
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// Create a long-lived buffer |
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static char buffer_daymonth[] = "00.000"; |
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// Write the current hours and minutes into the buffer |
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strftime(buffer_daymonth, sizeof(buffer_daymonth), "%e.%b", tick_time); |
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// Display this time on the TextLayer |
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text_layer_set_text(s_daymonth_layer, buffer_daymonth); |
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} |
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static void tick_handler(struct tm *tick_time, TimeUnits units_changed) { |
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update_time(); |
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if (units_changed & DAY_UNIT) { |
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update_date(); |
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} |
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if (persist_exists(WEATHER_TIME)) { |
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(void) persist_delete(WEATHER_TIME); |
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} |
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// Get weather update every 30 minutes |
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if (tick_time->tm_min % 30 == 0) { |
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// Begin dictionary |
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DictionaryIterator *iter; |
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app_message_outbox_begin(&iter); |
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// Add a key-value pair |
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dict_write_value(iter, 0, (uint8_t)0); |
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// Send the message! |
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app_message_outbox_send(); |
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} |
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} |
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static void inbox_received_callback(DictionaryIterator *iterator, void *context) { |
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// Store incoming information |
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static char temperature_buffer[8]; |
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static char conditions_buffer[32]; |
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static char room_buffer[32]; |
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static char weather_layer_buffer[32]; |
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bool got_weather = false; |
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bool got_room = false; |
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// Read first item |
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Tuple *t = dict_read_first(iterator); |
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// For all items |
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while(t != NULL) { |
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// Which key was received? |
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switch(t->key) { |
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case KEY_TEMPERATURE: |
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snprintf(temperature_buffer, sizeof(temperature_buffer), "%d", (int)t->value->int32); |
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break; |
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case KEY_CONDITIONS: |
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snprintf(conditions_buffer, sizeof(conditions_buffer), "%s", t->value->cstring); |
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got_weather = true; |
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break; |
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case KEY_ROOM_TEMP: |
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snprintf(room_buffer, sizeof(room_buffer), "%s", t->value->cstring); |
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got_room = true; |
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break; |
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default: |
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APP_LOG(APP_LOG_LEVEL_ERROR, "Key %d not recognized!", (int)t->key); |
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break; |
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} |
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// Look for next item |
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t = dict_read_next(iterator); |
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} |
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// Assemble full string and display |
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if (got_weather) { |
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snprintf(weather_layer_buffer, sizeof(weather_layer_buffer), "%s°C, %s", temperature_buffer, conditions_buffer); |
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text_layer_set_text(s_weather_layer, weather_layer_buffer); |
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} |
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if (got_room) { |
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text_layer_set_text(s_room_layer, room_buffer); |
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} |
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} |
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static void inbox_dropped_callback(AppMessageResult reason, void *context) { |
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APP_LOG(APP_LOG_LEVEL_ERROR, "Message dropped!"); |
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} |
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static void outbox_failed_callback(DictionaryIterator *iterator, AppMessageResult reason, void *context) { |
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APP_LOG(APP_LOG_LEVEL_ERROR, "Outbox send failed!"); |
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} |
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static void outbox_sent_callback(DictionaryIterator *iterator, void *context) { |
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APP_LOG(APP_LOG_LEVEL_INFO, "Outbox send success!"); |
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} |
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static void main_window_load(Window *window) { |
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// Create GBitmap, then set to created BitmapLayer |
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s_background_bitmap = gbitmap_create_with_resource(RESOURCE_ID_TUTORIAL_BACKGROUND); |
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s_background_layer = bitmap_layer_create(GRect(0, 0, 144, 168)); |
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bitmap_layer_set_bitmap(s_background_layer, s_background_bitmap); |
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// Create time TextLayer |
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s_time_layer = text_layer_create(GRect(5, 52, 139, 50)); |
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text_layer_set_background_color(s_time_layer, GColorClear); |
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text_layer_set_text_color(s_time_layer, GColorBlack); |
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// Create temperature Layer |
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s_weather_layer = text_layer_create(GRect(0, 130, 144, 20)); |
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text_layer_set_background_color(s_weather_layer, GColorClear); |
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text_layer_set_text_color(s_weather_layer, GColorWhite); |
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text_layer_set_text(s_weather_layer, "Loading..."); |
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// Create room temperature Layer |
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s_room_layer = text_layer_create(GRect(0, 150, 144, 20)); |
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text_layer_set_background_color(s_room_layer, GColorClear); |
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text_layer_set_text_color(s_room_layer, GColorWhite); |
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text_layer_set_text(s_room_layer, "Loading..."); |
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// Create day-month TextLayer |
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s_daymonth_layer = text_layer_create(GRect(5, 12, 139, 30)); |
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text_layer_set_background_color(s_daymonth_layer, GColorBlack); |
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text_layer_set_text_color(s_daymonth_layer, GColorWhite); |
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// Create GFont |
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s_time_font = fonts_load_custom_font(resource_get_handle(RESOURCE_ID_FONT_PERFECT_DOS_48)); |
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s_weather_font = fonts_load_custom_font(resource_get_handle(RESOURCE_ID_FONT_PERFECT_DOS_16)); |
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s_date_font = fonts_load_custom_font(resource_get_handle(RESOURCE_ID_FONT_PERFECT_DOS_24)); |
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// Apply to TextLayer |
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text_layer_set_font(s_time_layer, s_time_font); |
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text_layer_set_font(s_weather_layer, s_weather_font); |
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text_layer_set_font(s_room_layer, s_weather_font); |
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text_layer_set_font(s_daymonth_layer, s_date_font); |
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// Improve the layout to be more like a watchface |
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text_layer_set_text_alignment(s_time_layer, GTextAlignmentCenter); |
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text_layer_set_text_alignment(s_weather_layer, GTextAlignmentCenter); |
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text_layer_set_text_alignment(s_room_layer, GTextAlignmentCenter); |
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text_layer_set_text_alignment(s_daymonth_layer, GTextAlignmentCenter); |
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// Add it as a child layer to the Window's root layer |
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layer_add_child(window_get_root_layer(window), bitmap_layer_get_layer(s_background_layer)); |
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layer_add_child(window_get_root_layer(window), text_layer_get_layer(s_time_layer)); |
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layer_add_child(window_get_root_layer(window), text_layer_get_layer(s_weather_layer)); |
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layer_add_child(window_get_root_layer(window), text_layer_get_layer(s_room_layer)); |
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layer_add_child(window_get_root_layer(window), text_layer_get_layer(s_daymonth_layer)); |
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} |
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static void main_window_unload(Window *window) { |
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// Destroy TextLayer |
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text_layer_destroy(s_time_layer); |
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text_layer_destroy(s_weather_layer); |
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text_layer_destroy(s_room_layer); |
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text_layer_destroy(s_daymonth_layer); |
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// Unload GFont |
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fonts_unload_custom_font(s_time_font); |
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fonts_unload_custom_font(s_weather_font); |
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fonts_unload_custom_font(s_date_font); |
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// Destroy GBitmap |
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gbitmap_destroy(s_background_bitmap); |
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// Destroy BitmapLayer |
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bitmap_layer_destroy(s_background_layer); |
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} |
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static void init() { |
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// Create main Window element and assign to pointer |
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s_main_window = window_create(); |
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// Set handlers to manage the elements inside the Window |
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window_set_window_handlers(s_main_window, (WindowHandlers){ |
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.load = main_window_load, |
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.unload = main_window_unload |
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}); |
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// Show the Window on the watch, with animated=true |
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window_stack_push(s_main_window, true); |
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// Register with TickTimerService |
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tick_timer_service_subscribe((MINUTE_UNIT | DAY_UNIT), tick_handler); |
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// Register AppMessage callbacks |
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app_message_register_inbox_received(inbox_received_callback); |
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app_message_register_inbox_dropped(inbox_dropped_callback); |
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app_message_register_outbox_failed(outbox_failed_callback); |
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app_message_register_outbox_sent(outbox_sent_callback); |
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// Open AppMessage |
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app_message_open(app_message_inbox_size_maximum(), app_message_outbox_size_maximum()); |
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update_time(); |
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update_date(); |
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} |
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static void deinit() { |
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// Destroy Window |
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window_destroy(s_main_window); |
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} |