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Explain the difference between setBreakStragegy() and setLineBreakStyle() in API doc

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Bug: 217951279
Test: build pass
Change-Id: Ida98327a656edc4878f7ce1c7f2bc99b72cd91d6
This commit is contained in:
allenwtsu
2022-06-07 12:16:40 +08:00
parent 7cefdd3792
commit 289d576548
1 changed files with 9 additions and 2 deletions
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11
core/java/android/widget/TextView.java
View File

@@ -4781,12 +4781,19 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
* TextView is {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}, and the default value for
* EditText is {@link Layout#BREAK_STRATEGY_SIMPLE}, the latter to avoid the
* text "dancing" when being edited.
* <p/>
* <p>
* Enabling hyphenation with either using {@link Layout#HYPHENATION_FREQUENCY_NORMAL} or
* {@link Layout#HYPHENATION_FREQUENCY_FULL} while line breaking is set to one of
* {@link Layout#BREAK_STRATEGY_BALANCED}, {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}
* improves the structure of text layout however has performance impact and requires more time
* to do the text layout.
* to do the text layout.</p>
* <p>
* Compared with {@link #setLineBreakStyle(int)}, line break style with different strictness is
* evaluated in the ICU to identify the potential breakpoints. In
* {@link #setBreakStrategy(int)}, line break strategy handles the post processing of ICU's line
* break result. It aims to evaluate ICU's breakpoints and break the lines based on the
* constraint.
* </p>
*
* @attr ref android.R.styleable#TextView_breakStrategy
* @see #getBreakStrategy()