Accessibility shortcut primary action - add settings UI for accessibility shortcut type fragment

Bug: 142531433
Test: manual test
Change-Id: I6a9eebc1718f2b924cfb373f09abb57890fa10a5

src/com/android/settings/accessibility/AccessibilitySettings.java

@@ -635,9 +635,11 @@ public class AccessibilitySettings extends DashboardFragment {
                 final String description = info.loadDescription(mPm);
                 final int imageRes = info.getAnimatedImageRes();
                 final String htmlDescription = info.loadHtmlDescription(mPm);
+                final String settingsClassName = info.getSettingsActivityName();
 
                 putBasicExtras(preference, prefKey, title, description, imageRes, htmlDescription,
                         componentName);
+                putSettingsExtras(preference, packageName, settingsClassName);
 
                 preferenceList.add(preference);
             }

src/com/android/settings/accessibility/LaunchAccessibilityActivityPreferenceFragment.java

@@ -26,10 +26,12 @@ import android.content.pm.ActivityInfo;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 import android.view.accessibility.AccessibilityManager;
 
+import androidx.annotation.Nullable;
 import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
@@ -82,6 +84,12 @@ public class LaunchAccessibilityActivityPreferenceFragment extends
 
         // Settings html description.
         mHtmlDescription = arguments.getCharSequence(AccessibilitySettings.EXTRA_HTML_DESCRIPTION);
+
+        // Settings title and intent.
+        final String settingsTitle = arguments.getString(
+                AccessibilitySettings.EXTRA_SETTINGS_TITLE);
+        mSettingsIntent = TextUtils.isEmpty(settingsTitle) ? null : getSettingsIntent(arguments);
+        mSettingsTitle = (mSettingsIntent == null) ? null : settingsTitle;
     }
 
     @Override
@@ -131,4 +139,21 @@ public class LaunchAccessibilityActivityPreferenceFragment extends
             Log.w(TAG, "Target activity not found.");
         }
     }
+
+    @Nullable
+    private Intent getSettingsIntent(Bundle arguments) {
+        final String settingsComponentName = arguments.getString(
+                AccessibilitySettings.EXTRA_SETTINGS_COMPONENT_NAME);
+        if (TextUtils.isEmpty(settingsComponentName)) {
+            return null;
+        }
+
+        final Intent settingsIntent = new Intent(Intent.ACTION_MAIN).setComponent(
+                ComponentName.unflattenFromString(settingsComponentName));
+        if (getPackageManager().queryIntentActivities(settingsIntent, /* flags= */ 0).isEmpty()) {
+            return null;
+        }
+
+        return settingsIntent;
+    }
 }