harmony 鸿蒙Window Subsystem Changelog
Window Subsystem Changelog
cl.display.1 Calculation Method of xDPI and yDPI of a Display Object Is Optimized
Access Level
Public API
Reason for Change
Since API version 12, the calculation method of xDPI and yDPI of a Display object is changed so that the values of xDPI and yDPI do not change with the display rotation.
Change Impact
This change is a non-compatible change.
In API version 11 and earlier versions, the calculation of xDPI and yDPI of a Display object changes with the display rotation. As a result, the values of xDPI and yDPI obtained by the application change dynamically.
In API version 12 and later versions, the calculation of xDPI and yDPI of a Display object does not change with the display rotation. The values of xDPI and yDPI obtained by the application are fixed.
Start API Level
API version 7
Change Since
OpenHarmony SDK 5.0.0.29
Key API/Component Changes
xDPI and yDPI of a Display object.
Adaptation Guide
During the adaptation, check whether the changed behavior affects the UI effect.
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