47 lines
1.6 KiB
Java
47 lines
1.6 KiB
Java
/*
|
|
* 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.
|
|
*/
|
|
|
|
package com.android.inputmethod.compat;
|
|
|
|
import android.app.ActivityManager;
|
|
import android.content.Context;
|
|
|
|
import java.lang.reflect.Method;
|
|
|
|
public class ActivityManagerCompatUtils {
|
|
private static final Object LOCK = new Object();
|
|
private static volatile Boolean sBoolean = null;
|
|
private static final Method METHOD_isLowRamDevice = CompatUtils.getMethod(
|
|
ActivityManager.class, "isLowRamDevice");
|
|
|
|
private ActivityManagerCompatUtils() {
|
|
// Do not instantiate this class.
|
|
}
|
|
|
|
public static boolean isLowRamDevice(Context context) {
|
|
if (sBoolean == null) {
|
|
synchronized(LOCK) {
|
|
if (sBoolean == null) {
|
|
final ActivityManager am =
|
|
(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
|
|
sBoolean = (Boolean)CompatUtils.invoke(am, false, METHOD_isLowRamDevice);
|
|
}
|
|
}
|
|
}
|
|
return sBoolean;
|
|
}
|
|
}
|