Lonli-Lokli Lonli-Lokli - 1 year ago 66
Android Question

Missing TextAppearances.Micro style

According to Android Developer Design Style for Typography, there are 4

s (Micro, Small, Medium, Large).

But there is no predefined style for Micro:


None of them can be found in sources of Android. What am I missing?

Answer Source

Good question! After researching a little bit, I didn't find any results for "TextAppearance.Micro".

On the other hand, I found the official Android source for style resource related to TextAppearances.

<style name="TextAppearance.Small">
    <item name="android:textSize">14sp</item>
    <item name="android:textColor">?textColorSecondary</item>

<style name="TextAppearance.Medium">
    <item name="android:textSize">18sp</item>

<style name="TextAppearance.Large">
    <item name="android:textSize">22sp</item>

As you can see, all of them only affect the text size (except TextAppearance.Small, which also affect the text color). So, I can safely say that the site displays the text sizes as a guideline only. On the other hand, you can always add a custom style to support TextAppearance.Micro! Just insert this inside styles.xml.

<style name="TextAppearance.Micro" parent="@android:style/TextAppearance.Small">
    <item name="android:textSize">12sp</item>

and use it like:

    android:textAppearance="@style/TextAppearance.Micro" />

On a bit related note, when I searched "textAppearanceMicro", I found 3 projects on GitHub. All of them adding some custom attributes, which one of them is textAppearanceMicro. Also, all of them are using ActionBarSherlock. I don't know whether there is a connection between textAppearanceMicro and ActionBarSherlock, but I didn't find that attribute was used anywhere in the code.

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