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.content.Context; 21 import android.util.DisplayMetrics; 22 import android.util.FeatureFlagUtils; 23 import android.util.Log; 24 import android.util.TypedValue; 25 26 import androidx.window.embedding.SplitController; 27 28 import com.android.settings.R; 29 30 /** An util class collecting all common methods for the embedding activity features. */ 31 public class ActivityEmbeddingUtils { 32 // The smallest value of current width of the window when the split should be used. 33 private static final int MIN_CURRENT_SCREEN_SPLIT_WIDTH_DP = 720; 34 // The smallest value of the smallest-width (sw) of the window in any rotation when 35 // the split should be used. 36 private static final int MIN_SMALLEST_SCREEN_SPLIT_WIDTH_DP = 600; 37 // The minimum width of the activity to show the regular homepage layout. 38 private static final float MIN_REGULAR_HOMEPAGE_LAYOUT_WIDTH_DP = 380f; 39 private static final String TAG = "ActivityEmbeddingUtils"; 40 41 /** Get the smallest width dp of the window when the split should be used. */ getMinCurrentScreenSplitWidthDp()42 public static int getMinCurrentScreenSplitWidthDp() { 43 return MIN_CURRENT_SCREEN_SPLIT_WIDTH_DP; 44 } 45 46 /** 47 * Get the smallest dp value of the smallest-width (sw) of the window in any rotation when 48 * the split should be used. 49 */ getMinSmallestScreenSplitWidthDp()50 public static int getMinSmallestScreenSplitWidthDp() { 51 return MIN_SMALLEST_SCREEN_SPLIT_WIDTH_DP; 52 } 53 54 /** 55 * Get the ratio to use when splitting windows. This should be a float which describes 56 * the percentage of the screen which the first window should occupy. 57 */ getSplitRatio(Context context)58 public static float getSplitRatio(Context context) { 59 return context.getResources().getFloat(R.dimen.config_activity_embed_split_ratio); 60 } 61 62 /** Whether to support embedding activity feature. */ isEmbeddingActivityEnabled(Context context)63 public static boolean isEmbeddingActivityEnabled(Context context) { 64 final boolean isFlagEnabled = FeatureFlagUtils.isEnabled(context, 65 FeatureFlagUtils.SETTINGS_SUPPORT_LARGE_SCREEN); 66 final boolean isSplitSupported = SplitController.getInstance(context).isSplitSupported(); 67 68 Log.d(TAG, "isFlagEnabled = " + isFlagEnabled); 69 Log.d(TAG, "isSplitSupported = " + isSplitSupported); 70 71 return isFlagEnabled && isSplitSupported; 72 } 73 74 /** Whether to show the regular or simplified homepage layout. */ isRegularHomepageLayout(Activity activity)75 public static boolean isRegularHomepageLayout(Activity activity) { 76 DisplayMetrics dm = activity.getResources().getDisplayMetrics(); 77 return dm.widthPixels >= (int) TypedValue.applyDimension( 78 TypedValue.COMPLEX_UNIT_DIP, MIN_REGULAR_HOMEPAGE_LAYOUT_WIDTH_DP, dm); 79 } 80 } 81