Java tutorial
/* * Copyright 2014 Google Inc. All rights reserved. * * 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.google.samples.apps.iosched.util; import android.annotation.TargetApi; import android.app.Activity; import android.app.ActivityManager; import android.content.res.Resources; import android.graphics.Bitmap; import android.os.Build; import android.support.v4.content.ContextCompat; import com.google.samples.apps.iosched.R; /** * Helper class that applies the proper icon, title and background color to recent tasks list. */ public class RecentTasksStyler { private static Bitmap sIcon = null; private RecentTasksStyler() { } @TargetApi(Build.VERSION_CODES.LOLLIPOP) public static void styleRecentTasksEntry(Activity activity) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { return; } final String label = activity.getString(activity.getApplicationInfo().labelRes); final int colorPrimary = UIUtils.getThemeColor(activity, R.attr.colorPrimary, R.color.theme_primary); if (sIcon == null) { // Cache to avoid decoding the same bitmap on every Activity change sIcon = UIUtils.vectorToBitmap(activity, R.drawable.ic_recents_logo); } activity.setTaskDescription(new ActivityManager.TaskDescription(label, sIcon, colorPrimary)); } }