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Add the content description for accessibility tutorial pages.

Browse Source 
Bug: 155833961
Test: manual test & robo test
Change-Id: Iec86a6478706dcf6ce224046e8439a3d3b68144a
This commit is contained in:
Peter_Liang
2020-05-15 12:39:30 +08:00
parent dfb3f561ea
commit 606479bc81
2 changed files with 18 additions and 3 deletions
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2
res/values/strings.xml
View File

@@ -4942,6 +4942,8 @@
</string>
<!-- Summary for the accessibility preference screen to enable screen magnification via the nav bar. [CHAR LIMIT=none] -->
<string name="accessibility_screen_magnification_navbar_summary">When magnification is turned on, you can zoom in on your screen.\n\n<b>To zoom</b>, start magnification, then tap anywhere on the screen.\n<ul><li>Drag 2 or more fingers to scroll</li>\n<li>Pinch 2 or more fingers to adjust zoom</li></ul>\n\n<b>To zoom temporarily</b>, start magnification, then touch &amp; hold anywhere on the screen.\n<ul><li>Drag to move around the screen</li>\n<li>Lift finger to zoom out</li></ul>\n\nYou can’t zoom in on the keyboard or navigation bar.</string>
<!-- Accessibility label for paging indicator in accessibility tutorial page. [CHAR LIMIT=NONE] -->
<string name="accessibility_tutorial_pager">Page <xliff:g id="current_page" example="2">%1$d</xliff:g> of <xliff:g id="num_pages" example="3">%2$d</xliff:g></string>
<!-- Title for the accessibility tutorial dialog in accessibility service with button. [CHAR LIMIT=50] -->
<string name="accessibility_tutorial_dialog_title_button">Use accessibility button to open</string>
<!-- Title for the accessibility tutorial dialog in accessibility service with volume keys. [CHAR LIMIT=100] -->

19
src/com/android/settings/accessibility/AccessibilityGestureNavigationTutorial.java
View File

@@ -297,8 +297,14 @@ public final class AccessibilityGestureNavigationTutorial {
final ViewPager viewPager = contentView.findViewById(R.id.view_pager);
viewPager.setAdapter(new TutorialPagerAdapter(tutorialPages));
viewPager.setContentDescription(context.getString(R.string.accessibility_tutorial_pager,
/* firstPage */ 1, tutorialPages.size()));
viewPager.setImportantForAccessibility(tutorialPages.size() > 1
? View.IMPORTANT_FOR_ACCESSIBILITY_YES
: View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
viewPager.addOnPageChangeListener(
new TutorialPageChangeListener(context, title, instruction, tutorialPages));
new TutorialPageChangeListener(context, viewPager, title, instruction,
tutorialPages));
return contentView;
}
@@ -479,10 +485,12 @@ public final class AccessibilityGestureNavigationTutorial {
private final TextSwitcher mTitle;
private final TextSwitcher mInstruction;
private final List<TutorialPage> mTutorialPages;
private final ViewPager mViewPager;
TutorialPageChangeListener(Context context, ViewGroup title, ViewGroup instruction,
List<TutorialPage> tutorialPages) {
TutorialPageChangeListener(Context context, ViewPager viewPager, ViewGroup title,
ViewGroup instruction, List<TutorialPage> tutorialPages) {
this.mContext = context;
this.mViewPager = viewPager;
this.mTitle = (TextSwitcher) title;
this.mInstruction = (TextSwitcher) instruction;
this.mTutorialPages = tutorialPages;
@@ -521,6 +529,11 @@ public final class AccessibilityGestureNavigationTutorial {
}
mTutorialPages.get(position).getIndicatorIcon().setEnabled(true);
mLastTutorialPagePosition = position;
final int currentPageNumber = position + 1;
mViewPager.setContentDescription(
mContext.getString(R.string.accessibility_tutorial_pager,
currentPageNumber, mTutorialPages.size()));
}
@Override