res/values/constants.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright (C) 2013 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<resources>
    <!-- Duration of fade in/out animation for images -->
    <integer name="bitmap_fade_animation_duration">500</integer>
    <!-- Delay before showing progress bar animations for images that are loading -->
    <integer name="bitmap_progress_animation_delay">2000</integer>
    <!-- Duration of placeholder pulse animation for images -->
    <integer name="bitmap_placeholder_animation_duration">1000</integer>
    <!-- Duration of progress bar animation for images -->
    <integer name="bitmap_progress_animation_duration">4000</integer>
</resources>