chinwag-android/app/src/main/java/com/keylesspalace/tusky/util/ListUtils.java
Konrad Pozniak a445c12094
Upgrade to AndroidX, move to MaterialComponents theme (#953)
* upgrade to AndroidX, upgrade libraries

* move to MaterialComponents theme

* make sure the compose button looks good everywhere

* fix tollbar title/button alignment on tablet

* move to new material color theming, consolidate colors and themes

* fix build, fix imports

* set error on TextInputLayout instead of EditText

* fix imports, TootButton when

* improve snackbar style

* fix task description color
2018-12-17 15:25:35 +01:00

36 lines
1.3 KiB
Java

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import androidx.annotation.Nullable;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
public class ListUtils {
/** @return true if list is null or else return list.isEmpty() */
public static boolean isEmpty(@Nullable List list) {
return list == null || list.isEmpty();
}
/** @return a new ArrayList containing the elements without duplicates in the same order */
public static <T> ArrayList<T> removeDuplicates(List<T> list) {
LinkedHashSet<T> set = new LinkedHashSet<>(list);
return new ArrayList<>(set);
}
}