Manuall set accessibility order of zen radio grouping (92d837b4) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/volume/ZenRadioLayout.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -46,9 +46,16 @@ public class ZenRadioLayout extends LinearLayout {
		throw new IllegalStateException("Expected matching children");
		}
		boolean hasChanges = false;
		View lastView = null;
		for (int i = 0; i < size; i++) {
		View radio = radioGroup.getChildAt(i);
		View content = radioContent.getChildAt(i);
		if (lastView != null) {
		radio.setAccessibilityTraversalAfter(lastView.getId());
		}
		View contentClick = findFirstClickable(content);
		if (contentClick != null) contentClick.setAccessibilityTraversalAfter(radio.getId());
		lastView = findLastClickable(content);
		if (radio.getLayoutParams().height != content.getMeasuredHeight()) {
		hasChanges = true;
		radio.getLayoutParams().height = content.getMeasuredHeight();
		@@ -59,4 +66,28 @@ public class ZenRadioLayout extends LinearLayout {
		super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		}
		}

		private View findFirstClickable(View content) {
		if (content.isClickable()) return content;
		if (content instanceof ViewGroup) {
		ViewGroup group = (ViewGroup) content;
		for (int i = 0; i < group.getChildCount(); i++) {
		View v = findFirstClickable(group.getChildAt(i));
		if (v != null) return v;
		}
		}
		return null;
		}

		private View findLastClickable(View content) {
		if (content.isClickable()) return content;
		if (content instanceof ViewGroup) {
		ViewGroup group = (ViewGroup) content;
		for (int i = group.getChildCount() - 1; i >= 0; i--) {
		View v = findLastClickable(group.getChildAt(i));
		if (v != null) return v;
		}
		}
		return null;
		}
		}