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/*
* 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.displayingbitmaps.util;
import android.annotation.TargetApi;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.os.StrictMode;
import com.example.android.displayingbitmaps.ui.ImageDetailActivity;
import com.example.android.displayingbitmaps.ui.ImageGridActivity;
/**
* Class containing some static utility methods.
*/
public class Utils {
private Utils() {};
@TargetApi(VERSION_CODES.HONEYCOMB)
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 >= VERSION_CODES.FROYO;
}
public static boolean hasGingerbread() {
return Build.VERSION.SDK_INT >= VERSION_CODES.GINGERBREAD;
}
public static boolean hasHoneycomb() {
return Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
}
public static boolean hasHoneycombMR1() {
return Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
}
public static boolean hasJellyBean() {
return Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
}
public static boolean hasKitKat() {
return Build.VERSION.SDK_INT >= VERSION_CODES.KITKAT;
}
}
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