Android Canvas

♘ Android values directory files can be defined both as standard resources (under res/values/), as well as direct values supplied for mappings (in styles, themes and attributes in XML files such as layouts). Here are some standard dimensions, color codes for use in Android app development.

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1) color.xml

Themable, flexible color ramps for design applications.

• ➤ Color - Style - Material Design
  Material Design is a cross-platform design system from Google, and it is the design system for Android.

  Out of color ideas?
  Material Design Color Palette will assist you quickly decide which color to choose for your project.

  
  

• Or add colour.xml file in the res/values folder of your project to easily work with standard color formats (All Color Codes from Google's Material design color palette).

  

• ➤ Color Library
  HTML Color Codes library features flat design colors, Google's Material design scheme and the classic web safe color palette, all with Hex color codes and color names.
  

• Add colour.xml file in the res/values folder of your project to work with wide range of colours.

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2) dimens.xml

Dimensions file which is used to define all size dimensions used within an app. A dimension is specified with a number followed by a unit of measure. For example: 10px, 5sp. Dimensions should be defined within res/values/dimens.xml.

- Dimensions Style #01

The 'space' tag represent both margins and padding properties as follows,

  <resources>
       <!-- Margins and Padding -->
       <dimen name="space_xl">32dp</dimen>
       <dimen name="space_large">24dp</dimen>
       <dimen name="space_medium">16dp</dimen> 
       <dimen name="space_small">8dp</dimen>
       <dimen name="space_xs">4dp</dimen>
  </resources>

• Format 01 : dimens.xml ( space_xs, space_xl )
  
• Format 02 : dimens.xml ( space_extra_small, space_extra_large )

- Dimensions Style #02 :

Margins and padding properties defined in separate sections as shown below,

  <resources>
        <!-- Margins -->
        <dimen name="margin_xxl">48dp</dimen>
        <dimen name="margin_xl">32dp</dimen>
        <dimen name="margin_large">24dp</dimen>
        <dimen name="margin_medium">16dp</dimen> 
        <dimen name="margin_small">8dp</dimen>
        <dimen name="margin_xs">4dp</dimen>

        <!-- Padding -->
        <dimen name="padding_xl">32dp</dimen>
        <dimen name="padding_large">24dp</dimen>
        <dimen name="padding_medium">16dp</dimen>
        <dimen name="padding_small">8dp</dimen>
        <dimen name="padding_xs">4dp</dimen>
  </resources>

• Format 01 : dimens.xml ( margin_xs, padding_xl )
  
• Format 02 : dimens.xml ( margin_extra_small, padding_extra_large )

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Copyright (c) 2021 Rajitha Shavinda

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