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Explain font platform inconsistency (#26996)

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Gary Qian 2019-01-25 13:40:05 -05:00 committed by GitHub
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packages/flutter/lib/src/painting/text_style.dart
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@ -262,6 +262,20 @@ const String _kColorForegroundWarning = 'Cannot provide both a color and a foreg
/// If all custom fallback font families are exhausted and no match was found
/// or no custom fallback was provided, the platform font fallback will be used.
///
/// ### Inconsistent platform fonts
///
/// Since Flutter's font discovery for default fonts depends on the fonts present
/// on the device, it is not safe to assume all default fonts will be available or
/// consistent across devices.
///
/// A known example of this is that Samsung devices ship with a CJK font that has
/// smaller line spacing than the Android default. This results in Samsung devices
/// displaying more tightly spaced text than on other Android devices when no
/// custom font is specified.
///
/// To avoid this, a custom font should be specified if absolute font consistency
/// is required for your application.
///
/// See also:
///
/// * [Text], the widget for showing text in a single style.