1/*
2 * Copyright (C) 2014 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 android.support.v4.app;
18
19import android.app.ActivityManager;
20import android.os.Build;
21import android.support.annotation.NonNull;
22
23/**
24 * Helper for accessing features in {@link android.app.ActivityManager}
25 * introduced after API level 4 in a backwards compatible fashion.
26 */
27public final class ActivityManagerCompat {
28
29    private ActivityManagerCompat() {}
30
31    /**
32     * Returns true if this is a low-RAM device.  Exactly whether a device is low-RAM
33     * is ultimately up to the device configuration, but currently it generally means
34     * something in the class of a 512MB device with about a 800x480 or less screen.
35     * This is mostly intended to be used by apps to determine whether they should turn
36     * off certain features that require more RAM.
37     */
38    public static boolean isLowRamDevice(@NonNull ActivityManager am) {
39        if (Build.VERSION.SDK_INT >= 19) {
40            return ActivityManagerCompatKitKat.isLowRamDevice(am);
41        }
42        return false;
43    }
44}
45