Fix InvisibleToggle type service does not turn on or turn off correctly when edit shortcut dialog.

Root cause: service status is not updated after the shortcut status
changed.

Next: Add callback to update the service status

Bug: 155157599
Test: Manual test
Change-Id: I286a04d43066c787304c54eb7b0dfdac5728b6ac

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

@@ -17,6 +17,7 @@
 package com.android.settings.accessibility;
 
 import android.accessibilityservice.AccessibilityServiceInfo;
+import android.content.DialogInterface;
 import android.view.View;
 
 import com.android.settings.R;
@@ -68,4 +69,17 @@ public class InvisibleToggleAccessibilityServicePreferenceFragment extends
                     true);
         }
     }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Enables accessibility service when shortcutPreference is checked.
+     */
+    @Override
+    protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
+        super.callOnAlertDialogCheckboxClicked(dialog, which);
+
+        final boolean enabled = mShortcutPreference.isChecked();
+        AccessibilityUtils.setAccessibilityServiceState(getContext(), mComponentName, enabled);
+    }
 }

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

@@ -597,7 +597,13 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference
         return shortcut.getType();
     }
 
-    private void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
+    /**
+     * This method will be invoked when a button in the edit shortcut dialog is clicked.
+     *
+     * @param dialog The dialog that received the click
+     * @param which The button that was clicked
+     */
+    protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
         if (mComponentName == null) {
             return;
         }

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

@@ -381,7 +381,8 @@ public class ToggleScreenMagnificationPreferenceFragment extends
         return shortcut.getType();
     }
 
-    private void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
+    @Override
+    protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
         updateUserShortcutType(/* saveChanges= */ true);
         optInAllMagnificationValuesToSettings(getPrefContext(), mUserShortcutType);
         optOutAllMagnificationValuesFromSettings(getPrefContext(), ~mUserShortcutType);