1 files changed, 67 insertions, 0 deletions
diff --git a/src/battery.c b/src/battery.c
new file mode 100644
index 0000000..24790b2
--- /dev/null
+++ b/src/battery.c
@@ -0,0 +1,67 @@
+#include <pebble.h>
+#include <inttypes.h>
+
+static Window *window;
+static TextLayer *battery_percentage;
+static TextLayer *charge_status;
+static char percent_show[5];
+
+static void battery_state_receiver(BatteryChargeState chargeState){
+  uint8_t percent = chargeState.charge_percent;
+  
+  snprintf(percent_show, 5, "%i%%", percent);
+  text_layer_set_text(battery_percentage, percent_show);
+  
+  if(chargeState.is_plugged && chargeState.is_charging)
+    text_layer_set_text(charge_status, "Charging");
+  else if(chargeState.is_plugged && !chargeState.is_charging)
+    text_layer_set_text(charge_status, "Plugged - Not Charging");
+  else if(!chargeState.is_plugged && !chargeState.is_charging)
+    text_layer_set_text(charge_status, "Discharging");
+}
+
+static void window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  GRect bounds = layer_get_bounds(window_layer);
+  
+  battery_percentage = text_layer_create((GRect) { .origin = { 0, 52 }, .size = { bounds.size.w, 20 } });
+  text_layer_set_text_alignment(battery_percentage, GTextAlignmentCenter);
+  
+  charge_status = text_layer_create((GRect) { .origin = { 0, 82 }, .size = { bounds.size.w, 20 } });
+  text_layer_set_text_alignment(charge_status, GTextAlignmentCenter);
+  
+  // make a peek to start
+  battery_state_receiver(battery_state_service_peek());
+  
+  layer_add_child(window_layer, text_layer_get_layer(battery_percentage));
+  layer_add_child(window_layer, text_layer_get_layer(charge_status));
+}
+
+static void window_unload(Window *window) {
+  text_layer_destroy(battery_percentage);
+  text_layer_destroy(charge_status);
+}
+
+static void init(void) {
+  window = window_create();
+  window_set_window_handlers(window, (WindowHandlers) {
+    .load = window_load,
+    .unload = window_unload,
+  });
+  const bool animated = true;
+  window_stack_push(window, animated);
+  battery_state_service_subscribe(battery_state_receiver);
+}
+
+static void deinit(void) {
+  window_destroy(window);
+}
+
+int main(void) {
+  init();
+
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "Done initializing, pushed window: %p", window);
+
+  app_event_loop();
+  deinit();
+}