Add a utility of isLowRamDevice

Bug: 8967766

Change-Id: Id7132d1155bb3489bdab72d613289335945808e8
main
Satoshi Kataoka 2013-09-24 19:41:04 +09:00
parent 3ca9c5cbec
commit 03e55efe03
1 changed files with 46 additions and 0 deletions

View File

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/*
* 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;
}
}