1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.settingslib.applications;
18
19import android.content.pm.ActivityInfo;
20import android.content.res.Configuration;
21import android.content.res.Resources;
22
23public class InterestingConfigChanges {
24    private final Configuration mLastConfiguration = new Configuration();
25    private int mLastDensity;
26
27    public boolean applyNewConfig(Resources res) {
28        int configChanges = mLastConfiguration.updateFrom(res.getConfiguration());
29        boolean densityChanged = mLastDensity != res.getDisplayMetrics().densityDpi;
30        if (densityChanged || (configChanges&(ActivityInfo.CONFIG_LOCALE
31                |ActivityInfo.CONFIG_UI_MODE|ActivityInfo.CONFIG_SCREEN_LAYOUT)) != 0) {
32            mLastDensity = res.getDisplayMetrics().densityDpi;
33            return true;
34        }
35        return false;
36    }
37}
38