1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.activityembedding; 18 19 import android.app.Activity; 20 import android.app.ActivityTaskManager; 21 import android.content.Context; 22 import android.graphics.Rect; 23 import android.util.DisplayMetrics; 24 import android.util.FeatureFlagUtils; 25 import android.util.Log; 26 import android.util.TypedValue; 27 28 import androidx.window.embedding.SplitController; 29 30 /** An util class collecting all common methods for the embedding activity features. */ 31 public class ActivityEmbeddingUtils { 32 public static final float SPLIT_RATIO = 0.5f; 33 // The smallest value of current width of the window when the split should be used. 34 private static final float MIN_CURRENT_SCREEN_SPLIT_WIDTH_DP = 720f; 35 // The smallest value of the smallest-width (sw) of the window in any rotation when 36 // the split should be used. 37 private static final float MIN_SMALLEST_SCREEN_SPLIT_WIDTH_DP = 600f; 38 private static final String TAG = "ActivityEmbeddingUtils"; 39 40 /** Get the smallest pixel value of width of the window when the split should be used. */ getMinCurrentScreenSplitWidthPx(Context context)41 public static int getMinCurrentScreenSplitWidthPx(Context context) { 42 final DisplayMetrics dm = context.getResources().getDisplayMetrics(); 43 return (int) TypedValue.applyDimension( 44 TypedValue.COMPLEX_UNIT_DIP, MIN_CURRENT_SCREEN_SPLIT_WIDTH_DP, dm); 45 } 46 47 /** 48 * Get the smallest pixel value of the smallest-width (sw) of the window in any rotation when 49 * the split should be used. 50 */ getMinSmallestScreenSplitWidthPx(Context context)51 public static int getMinSmallestScreenSplitWidthPx(Context context) { 52 final DisplayMetrics dm = context.getResources().getDisplayMetrics(); 53 return (int) TypedValue.applyDimension( 54 TypedValue.COMPLEX_UNIT_DIP, MIN_SMALLEST_SCREEN_SPLIT_WIDTH_DP, dm); 55 } 56 57 /** Whether to support embedding activity feature. */ isEmbeddingActivityEnabled(Context context)58 public static boolean isEmbeddingActivityEnabled(Context context) { 59 final boolean isFlagEnabled = FeatureFlagUtils.isEnabled(context, 60 FeatureFlagUtils.SETTINGS_SUPPORT_LARGE_SCREEN); 61 final boolean isSplitSupported = SplitController.getInstance().isSplitSupported(); 62 63 Log.d(TAG, "isFlagEnabled = " + isFlagEnabled); 64 Log.d(TAG, "isSplitSupported = " + isSplitSupported); 65 66 return isFlagEnabled && isSplitSupported; 67 } 68 69 /** Whether the screen meets two-pane resolution. */ isTwoPaneResolution(Activity activity)70 public static boolean isTwoPaneResolution(Activity activity) { 71 final Rect currentTaskBounds = 72 ActivityTaskManager.getInstance().getTaskBounds(activity.getTaskId()); 73 74 return currentTaskBounds.width() >= getMinCurrentScreenSplitWidthPx(activity) 75 && currentTaskBounds.height() >= getMinSmallestScreenSplitWidthPx(activity); 76 } 77 } 78