From 1c5017c5fcf9c28bbceba8e810e93864dd59571d Mon Sep 17 00:00:00 2001
From: Alexey Kuzmin <alexeykuzmin@google.com>
Date: Wed, 15 May 2019 17:03:48 +0100
Subject: [PATCH] Play vibration preview when turning on vibration

Bug: 130332550
Test: Go to Settings > Accessibility > Vibration. Set vibration strength
to some value, then set it to off, then set it back to the previous
value. The vibration preview should be played

Change-Id: Ie28efe01fc4df5356cc0d316c1a88e518f81df41
---
 .../settings/accessibility/VibrationPreferenceFragment.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
index 5261daa466c..c23a25a5ff2 100644
--- a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
@@ -128,6 +128,8 @@ public abstract class VibrationPreferenceFragment extends RadioButtonPickerFragm
             // Update vibration intensity setting
             Settings.System.putInt(getContext().getContentResolver(),
                     getVibrationIntensitySetting(), candidate.getIntensity());
+        } else {
+            playVibrationPreview();
         }
     }