frameworks/base/core/res/res/values/
<!-- Long press to vibrate -->
<!-- Vibrator pattern for feedback about a long screen/key press -->
<integer-array name="config_longPressVibePattern">
<item>0</item>
<item>1</item>
<item>20</item>
<item>21</item>
</integer-array>
<!-- Virtual key vibration -->
<!-- Vibrator pattern for feedback about touching a virtual key -->
<integer-array name="config_virtualKeyVibePattern">
<item>0</item>
<item>10</item>
<item>20</item>
<item>30</item>
</integer-array>
<!-- Soft keyboard key vibration -->
<!-- Vibrator pattern for a very short but reliable vibration for soft keyboard tap -->
<integer-array name="config_keyboardTapVibePattern">
<item>40</item>
</integer-array>
<!-- Non-safe mode start vibration -->
<!-- Vibrator pattern for feedback about booting with safe mode disabled -->
<integer-array name="config_safeModeDisabledVibePattern">
<item>0</item>
<item>1</item>
<item>20</item>
<item>21</item>
</integer-array>
<!-- Safe mode start vibration -->
<!-- Vibrator pattern for feedback about booting with safe mode disabled -->
<integer-array name="config_safeModeEnabledVibePattern">
<item>0</item>
<item>1</item>
<item>20</item>
<item>21</item>
<item>500</item>
<item>600</item>
</integer-array>