Difference between revisions of "Variables"
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| − | + | <span style="color: #00828f; font-size: 24px; display: inline-block; margin-top: 15px; margin-bottom: 0px;"><strong>About variables</strong></span> | |
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Variables can be used to store values (numbers, text strings and true/false conditions). These values can be set in the Set Variable Action. Variables can be used throughout the app as Triggers and Conditions, and can be used for controlling specific Macrodroid and system settings. | Variables can be used to store values (numbers, text strings and true/false conditions). These values can be set in the Set Variable Action. Variables can be used throughout the app as Triggers and Conditions, and can be used for controlling specific Macrodroid and system settings. | ||
</pre> | </pre> | ||
| − | + | '' An introduction video is available here '' | |
https://www.youtube.com/watch?v=0V_EcyhxrpA&t=1s | https://www.youtube.com/watch?v=0V_EcyhxrpA&t=1s | ||
<br> | <br> | ||
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=== Local === | === Local === | ||
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| − | Local variables are specific to | + | '''Simplified:''' |
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| + | belongs to the macro it has been created into. It can only be used inside this macro. Its name must be unique inside the macro it belongs to. | ||
| + | |||
| + | '''Advanced:''' | ||
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| + | Local variables are specific to a single macro. Use them only when the value is required within that macro. Local variables can be accessed through the edit macro screen. | ||
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=== Global === | === Global === | ||
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| − | Global variables are | + | '''Simplified:''' |
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| + | Can be accessed and used from any macro. Its name must be unique among all the 'global' variables | ||
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| + | '''Advanced:''' | ||
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| + | Global variables are accessible throughout the application from any Macro. They should be used when storing a value between multiple macros. The list of global variables can be accessed via the Variables tile on the home screen, where you can add, delete, and modify their values. | ||
==<p><b>Standard Variable Types</b></p>== | ==<p><b>Standard Variable Types</b></p>== | ||
=== Boolean === | === Boolean === | ||
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| − | + | allows 2 states: True or False. | |
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=== Integer === | === Integer === | ||
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| − | + | to store positive or negative numbers without decimal part, in order to make any kind of mathematical calculations or comparison. | |
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=== Decimal === | === Decimal === | ||
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| − | + | to store any positive or negative numeric value, with or without decimal digits, in order to make any kind of mathematical calculations or comparison. Sientific notation as 1.3E-2 may be used. | |
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=== String === | === String === | ||
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contains any kind of character (alphanumeric ones or any special ones, such as line feed/carriage return/new line or emojis). HINT: an individual string variable can hold up to 500,000 characters, however it is advisable to avoid very long strings where possible. If you should use strings of great length it is recommended to clear them when finished with. | contains any kind of character (alphanumeric ones or any special ones, such as line feed/carriage return/new line or emojis). HINT: an individual string variable can hold up to 500,000 characters, however it is advisable to avoid very long strings where possible. If you should use strings of great length it is recommended to clear them when finished with. | ||
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==<p><b>Data Structure Variable Types</b></p>== | ==<p><b>Data Structure Variable Types</b></p>== | ||
=== Array === | === Array === | ||
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stores a series of values with associated index variables. For example if you wanted to store a count for each day of the month you could create an array called dayOfMonthCount and have a series of entries such as dayOfWeekCount[1] = 5, dayOfWeekCount[2] = 2 etc. | stores a series of values with associated index variables. For example if you wanted to store a count for each day of the month you could create an array called dayOfMonthCount and have a series of entries such as dayOfWeekCount[1] = 5, dayOfWeekCount[2] = 2 etc. | ||
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=== Dictionary === | === Dictionary === | ||
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stores a series of key value pairs. For example if you wanted to store a count for each day of the week you could create a dictionary called dayOfWeekCount and have a series of entries such as dayOfWeekCount [monday] = 1, dayOfWeekCount [tuesday] = 3 etc. | stores a series of key value pairs. For example if you wanted to store a count for each day of the week you could create a dictionary called dayOfWeekCount and have a series of entries such as dayOfWeekCount [monday] = 1, dayOfWeekCount [tuesday] = 3 etc. | ||
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Latest revision as of 16:47, 23 April 2024
About variables
Variables can be used to store values (numbers, text strings and true/false conditions). These values can be set in the Set Variable Action. Variables can be used throughout the app as Triggers and Conditions, and can be used for controlling specific Macrodroid and system settings.
An introduction video is available here
https://www.youtube.com/watch?v=0V_EcyhxrpA&t=1s
Global / Local Variables
Local
Simplified:
belongs to the macro it has been created into. It can only be used inside this macro. Its name must be unique inside the macro it belongs to.
Advanced:
Local variables are specific to a single macro. Use them only when the value is required within that macro. Local variables can be accessed through the edit macro screen.
Global
Simplified:
Can be accessed and used from any macro. Its name must be unique among all the 'global' variables
Advanced:
Global variables are accessible throughout the application from any Macro. They should be used when storing a value between multiple macros. The list of global variables can be accessed via the Variables tile on the home screen, where you can add, delete, and modify their values.
Standard Variable Types
Boolean
allows 2 states: True or False.
Integer
to store positive or negative numbers without decimal part, in order to make any kind of mathematical calculations or comparison.
Decimal
to store any positive or negative numeric value, with or without decimal digits, in order to make any kind of mathematical calculations or comparison. Sientific notation as 1.3E-2 may be used.
String
contains any kind of character (alphanumeric ones or any special ones, such as line feed/carriage return/new line or emojis). HINT: an individual string variable can hold up to 500,000 characters, however it is advisable to avoid very long strings where possible. If you should use strings of great length it is recommended to clear them when finished with.
Data Structure Variable Types
Array
stores a series of values with associated index variables. For example if you wanted to store a count for each day of the month you could create an array called dayOfMonthCount and have a series of entries such as dayOfWeekCount[1] = 5, dayOfWeekCount[2] = 2 etc.
Dictionary
stores a series of key value pairs. For example if you wanted to store a count for each day of the week you could create a dictionary called dayOfWeekCount and have a series of entries such as dayOfWeekCount [monday] = 1, dayOfWeekCount [tuesday] = 3 etc.