Differences

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--- expressions [2016/02/28 15:31]
Wearable Software
+++ expressions [2021/02/17 21:40] (current)
@@ Line 1: / Line 1: @@
-====== Expressions ======
+====== Using expressions to create a dynamic watchface ======
+Use operators, mathematical functions or conditional statements to build a more dynamic watchface.
 ===== Built-in operators =====
+Watchface Builder supports following operators:
       * Addition: 2 + 2
       * Subtraction: 2 - 2
@@ Line 36: / Line 38: @@
 Returns the integer value for the current temperature
-====== Conditional statements  ======
+===== Conditional statements  =====
-You can use condition statements in expressions to build dynamic watchfaces. The syntax for a conditional statement is:
+You can use condition statements. The syntax is:
 <code>$condition?true value:false value$</code>
@@ Line 49: / Line 51: @@
   * not equals !=
-===== Example =====
+==== Example ====
+For example if you want a blinking watchface layer set following expression on your opacity property.
+<code>${ds}%2==0?100:0$</code>
+Every time the seconds value changes and the value divided by two gives no rest, the layer will be displayed.

Watchface Builder Wiki