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Fix [a11y] Wi-Fi Easy Connect Talkback issues

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1. Remove android:contentDescription from ButtonPreference layout file
   'wifi_button_preference_widget.xml' because it should be a more
   general purpose component. Add ButtonPreference#setButtonContentDescription
   for this change.
2. Add a LinearLayout to group title & summary for better Talkback UX
3. Set android:contentDescription for Wi-Fi enrollee scan button
4. setTitle for Talkback actionbar back button of WifiDppQrCodeGeneratorFragment &
   WifiDppQrCodeScannerFragment
5. Auto trigger Talkback to speak title & summary in WifiDppAddDeviceFragment &
   WifiDppChooseSavedWifiNetworkFragment
6. Auto trigger Talkback to speak summary change in WifiDppAddDeviceFragment
7. Auto trigger Talkback to speak error message in WifiDppQrCodeScannerFragment

Bug: 126007405
Bug: 124424996
Bug: 124424445
Test: manual test

Change-Id: I54a3f033bb8871c47be12115ae8f97691fd83302
This commit is contained in:
Arc Wang
2019-03-06 12:29:45 +08:00
parent b249fb7d13
commit 70e3580f5d
10 changed files with 104 additions and 33 deletions
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5
src/com/android/settings/wifi/dpp/WifiDppQrCodeBaseFragment.java
View File

@@ -38,6 +38,7 @@ public abstract class WifiDppQrCodeBaseFragment extends InstrumentedFragment {
private ImageView mDevicesCheckCircleGreenHeaderIcon;
protected TextView mTitle;
protected TextView mSummary;
protected View mTitleSummaryContainer;
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
@@ -48,6 +49,10 @@ public abstract class WifiDppQrCodeBaseFragment extends InstrumentedFragment {
view.findViewById(R.id.devices_check_circle_green_icon);
mTitle = view.findViewById(android.R.id.title);
mSummary = view.findViewById(android.R.id.summary);
// This is the LinearLayout which groups mTitle and mSummary for Talkback to announce the
// content in a way that reflects its natural groupings.
mTitleSummaryContainer = view.findViewById(R.id.title_summary_container);
}
protected void setHeaderIconImageResource(int resId) {