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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.displayingbitmaps.util;
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import android.annotation.TargetApi;
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import android.os.Build;
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import android.os.Build.VERSION_CODES;
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import android.os.StrictMode;
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import com.example.android.displayingbitmaps.ui.ImageDetailActivity;
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import com.example.android.displayingbitmaps.ui.ImageGridActivity;
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/**
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* Class containing some static utility methods.
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*/
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public class Utils {
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private Utils() {};
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@TargetApi(VERSION_CODES.HONEYCOMB)
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public static void enableStrictMode() {
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if (Utils.hasGingerbread()) {
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StrictMode.ThreadPolicy.Builder threadPolicyBuilder =
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new StrictMode.ThreadPolicy.Builder()
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.detectAll()
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.penaltyLog();
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StrictMode.VmPolicy.Builder vmPolicyBuilder =
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new StrictMode.VmPolicy.Builder()
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.detectAll()
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.penaltyLog();
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if (Utils.hasHoneycomb()) {
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threadPolicyBuilder.penaltyFlashScreen();
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vmPolicyBuilder
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.setClassInstanceLimit(ImageGridActivity.class, 1)
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.setClassInstanceLimit(ImageDetailActivity.class, 1);
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}
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StrictMode.setThreadPolicy(threadPolicyBuilder.build());
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StrictMode.setVmPolicy(vmPolicyBuilder.build());
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}
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}
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public static boolean hasFroyo() {
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// Can use static final constants like FROYO, declared in later versions
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// of the OS since they are inlined at compile time. This is guaranteed behavior.
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return Build.VERSION.SDK_INT >= VERSION_CODES.FROYO;
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}
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public static boolean hasGingerbread() {
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return Build.VERSION.SDK_INT >= VERSION_CODES.GINGERBREAD;
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}
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public static boolean hasHoneycomb() {
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return Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
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}
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public static boolean hasHoneycombMR1() {
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return Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
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}
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public static boolean hasJellyBean() {
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return Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
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}
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public static boolean hasKitKat() {
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return Build.VERSION.SDK_INT >= VERSION_CODES.KITKAT;
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}
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}