| /* |
| * Copyright (C) 2012 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.example.android.bitmapfun.util; |
| |
| import com.example.android.bitmapfun.ui.ImageDetailActivity; |
| import com.example.android.bitmapfun.ui.ImageGridActivity; |
| |
| import android.annotation.TargetApi; |
| import android.os.Build; |
| import android.os.StrictMode; |
| |
| /** |
| * Class containing some static utility methods. |
| */ |
| public class Utils { |
| private Utils() {}; |
| |
| @TargetApi(11) |
| public static void enableStrictMode() { |
| if (Utils.hasGingerbread()) { |
| StrictMode.ThreadPolicy.Builder threadPolicyBuilder = |
| new StrictMode.ThreadPolicy.Builder() |
| .detectAll() |
| .penaltyLog(); |
| StrictMode.VmPolicy.Builder vmPolicyBuilder = |
| new StrictMode.VmPolicy.Builder() |
| .detectAll() |
| .penaltyLog(); |
| |
| if (Utils.hasHoneycomb()) { |
| threadPolicyBuilder.penaltyFlashScreen(); |
| vmPolicyBuilder |
| .setClassInstanceLimit(ImageGridActivity.class, 1) |
| .setClassInstanceLimit(ImageDetailActivity.class, 1); |
| } |
| StrictMode.setThreadPolicy(threadPolicyBuilder.build()); |
| StrictMode.setVmPolicy(vmPolicyBuilder.build()); |
| } |
| } |
| |
| public static boolean hasFroyo() { |
| // Can use static final constants like FROYO, declared in later versions |
| // of the OS since they are inlined at compile time. This is guaranteed behavior. |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO; |
| } |
| |
| public static boolean hasGingerbread() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD; |
| } |
| |
| public static boolean hasHoneycomb() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB; |
| } |
| |
| public static boolean hasHoneycombMR1() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1; |
| } |
| |
| public static boolean hasJellyBean() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN; |
| } |
| |
| public static boolean hasKitKat() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; |
| } |
| } |