Add a done button to vision setting pages in setup flow

Root cause: User feels confused because the particular screen doesn't have a back button but at that moment of the setup flow the regular UI gestures didn't even work.
Solution: Add a done button to the vision settings pages for clearer navigation.

Bug: 262995569
Test: make RunSettingsRoboTests ROBOTEST_FILTER=FragmentForSetupWizardTest
Change-Id: Id3a0d78389e0e6c11b5b5cf016b37673fde7f286

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

@@ -19,8 +19,13 @@ import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.widget.LinearLayout;
 
+import androidx.annotation.StringRes;
+
 import com.android.settings.R;
 
+import com.google.android.setupcompat.template.FooterBarMixin;
+import com.google.android.setupcompat.template.FooterButton;
+import com.google.android.setupcompat.template.Mixin;
 import com.google.android.setupdesign.GlifPreferenceLayout;
 import com.google.android.setupdesign.util.ThemeHelper;
 
@@ -30,7 +35,7 @@ class AccessibilitySetupWizardUtils {
     private AccessibilitySetupWizardUtils(){}
 
     /**
-     * Update the {@link GlifPreferenceLayout} attributes if they have previously been initialized.
+     * Updates the {@link GlifPreferenceLayout} attributes if they have previously been initialized.
      * When the SetupWizard supports the extended partner configs, it means the material layout
      * would be applied. It should set a different padding/margin in views to align Settings style
      * for accessibility feature pages.
@@ -55,4 +60,46 @@ class AccessibilitySetupWizardUtils {
             }
         }
     }
+
+    /**
+     * Sets primary button for footer of the {@link GlifPreferenceLayout}.
+     *
+     * <p> This will be the initial by given material theme style.
+     *
+     * @param context A {@link Context}
+     * @param mixin A {@link Mixin} for managing buttons.
+     * @param text The {@code text} by resource.
+     * @param runnable The {@link Runnable} to run.
+     */
+    public static void setPrimaryButton(Context context, FooterBarMixin mixin, @StringRes int text,
+            Runnable runnable) {
+        mixin.setPrimaryButton(
+                new FooterButton.Builder(context)
+                        .setText(text)
+                        .setListener(l -> runnable.run())
+                        .setButtonType(FooterButton.ButtonType.DONE)
+                        .setTheme(R.style.SudGlifButton_Primary)
+                        .build());
+    }
+
+    /**
+     * Sets secondary button for the footer of the {@link GlifPreferenceLayout}.
+     *
+     * <p> This will be the initial by given material theme style.
+     *
+     * @param context A {@link Context}
+     * @param mixin A {@link Mixin} for managing buttons.
+     * @param text The {@code text} by resource.
+     * @param runnable The {@link Runnable} to run.
+     */
+    public static void setSecondaryButton(Context context, FooterBarMixin mixin,
+            @StringRes int text, Runnable runnable) {
+        mixin.setSecondaryButton(
+                new FooterButton.Builder(context)
+                        .setText(text)
+                        .setListener(l -> runnable.run())
+                        .setButtonType(FooterButton.ButtonType.CLEAR)
+                        .setTheme(R.style.SudGlifButton_Secondary)
+                        .build());
+    }
 }