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ytRino/httptools.oesf.bizandroid-4.1.1_r1.0xrefframeworksbasecorejavaandroidviewViewGroup.java

Created September 17, 2012 09:38
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caseなるほど
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httptools.oesf.bizandroid-4.1.1_r1.0xrefframeworksbasecorejavaandroidviewViewGroup.java
527 /**
528 * Set the descendant focusability of this view group. This defines the relationship
529 * between this view group and its descendants when looking for a view to
530 * take focus in {@link #requestFocus(int, android.graphics.Rect)}.
531 *
532 * @param focusability one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS},
533 * {@link #FOCUS_BLOCK_DESCENDANTS}.
534 */
535 public void setDescendantFocusability(int focusability) {
536 switch (focusability) {
537 case FOCUS_BEFORE_DESCENDANTS:
538 case FOCUS_AFTER_DESCENDANTS:
539 case FOCUS_BLOCK_DESCENDANTS:
540 break;
541 default:
542 throw new IllegalArgumentException("must be one of FOCUS_BEFORE_DESCENDANTS, "
543 + "FOCUS_AFTER_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS");
544 }
545 mGroupFlags &= ~FLAG_MASK_FOCUSABILITY;
546 mGroupFlags |= (focusability & FLAG_MASK_FOCUSABILITY);
547 }
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ytRino commented Sep 17, 2012

http://tools.oesf.biz/android-4.1.1_r1.0/xref/frameworks/base/core/java/android/view/ViewGroup.java

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