/**
 * Extraction (and some minor cleanup to get rid of warnings) of DrawerLayout from the
 * <a href="http://developer.android.com/tools/support-library/index.html">Android Support Library</a>.
 * 
 * Source at:
 * https://android.googlesource.com/platform/frameworks/support/+/refs/heads/master/v4/java/android/support/v4/widget/DrawerLayout.java
 * https://android.googlesource.com/platform/frameworks/support/+/refs/heads/master/v4/java/android/support/v4/widget/ViewDragHelper.java
 */
package com.termux.drawer;