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[DatePicker] Always go edge-to-edge in fullscreen mode
Resolves #1966 PiperOrigin-RevId: 432296692
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152 changes: 152 additions & 0 deletions
152
lib/java/com/google/android/material/internal/EdgeToEdgeUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| * Copyright (C) 2022 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. | ||
| */ | ||
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|
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| package com.google.android.material.internal; | ||
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| import static android.graphics.Color.TRANSPARENT; | ||
| import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; | ||
| import static com.google.android.material.color.MaterialColors.isColorLight; | ||
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| import android.annotation.TargetApi; | ||
| import android.content.Context; | ||
| import android.graphics.Color; | ||
| import android.os.Build.VERSION; | ||
| import android.os.Build.VERSION_CODES; | ||
| import android.view.Window; | ||
| import androidx.annotation.ColorInt; | ||
| import androidx.annotation.NonNull; | ||
| import androidx.annotation.Nullable; | ||
| import androidx.annotation.RestrictTo; | ||
| import androidx.core.graphics.ColorUtils; | ||
| import androidx.core.view.WindowCompat; | ||
| import androidx.core.view.WindowInsetsControllerCompat; | ||
| import com.google.android.material.color.MaterialColors; | ||
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| /** | ||
| * A util class that helps apply edge-to-edge mode to activity/dialog windows. | ||
| * | ||
| * @hide | ||
| */ | ||
| @RestrictTo(LIBRARY_GROUP) | ||
| public class EdgeToEdgeUtils { | ||
| private static final int EDGE_TO_EDGE_BAR_ALPHA = 128; | ||
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| private EdgeToEdgeUtils() {} | ||
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| /** | ||
| * Applies or removes edge-to-edge mode to the provided {@link Window}. When edge-to-edge mode is | ||
| * applied, the activities, or the non-floating dialogs, that host the provided window will be | ||
| * drawn over the system bar area by default and the system bar colors will be adjusted according | ||
| * to the background color you provide. | ||
| */ | ||
| public static void applyEdgeToEdge(@NonNull Window window, boolean edgeToEdgeEnabled) { | ||
| applyEdgeToEdge(window, edgeToEdgeEnabled, null, null); | ||
| } | ||
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| /** | ||
| * Applies or removes edge-to-edge mode to the provided {@link Window}. When edge-to-edge mode is | ||
| * applied, the activities, or the non-floating dialogs, that host the provided window will be | ||
| * drawn over the system bar area by default and the system bar colors will be adjusted according | ||
| * to the background color you provide. | ||
| * | ||
| * @param statusBarOverlapBackgroundColor The reference background color to decide the text/icon | ||
| * colors on status bars. {@code null} to use the default color from | ||
| * {@code ?android:attr/colorBackground}. | ||
| * @param navigationBarOverlapBackgroundColor The reference background color to decide the icon | ||
| * colors on navigation bars.{@code null} to use the default color from | ||
| * {@code ?android:attr/colorBackground}. | ||
| */ | ||
| public static void applyEdgeToEdge( | ||
| @NonNull Window window, | ||
| boolean edgeToEdgeEnabled, | ||
| @Nullable @ColorInt Integer statusBarOverlapBackgroundColor, | ||
| @Nullable @ColorInt Integer navigationBarOverlapBackgroundColor) { | ||
| if (VERSION.SDK_INT < VERSION_CODES.LOLLIPOP) { | ||
| return; | ||
| } | ||
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| // If the overlapping background color is unknown or TRANSPARENT, use the default one. | ||
| boolean useDefaultBackgroundColorForStatusBar = | ||
| statusBarOverlapBackgroundColor == null || statusBarOverlapBackgroundColor == 0; | ||
| boolean useDefaultBackgroundColorForNavigationBar = | ||
| navigationBarOverlapBackgroundColor == null || navigationBarOverlapBackgroundColor == 0; | ||
| if (useDefaultBackgroundColorForStatusBar || useDefaultBackgroundColorForNavigationBar) { | ||
| int defaultBackgroundColor = | ||
| MaterialColors.getColor(window.getContext(), android.R.attr.colorBackground, Color.BLACK); | ||
| if (useDefaultBackgroundColorForStatusBar) { | ||
| statusBarOverlapBackgroundColor = defaultBackgroundColor; | ||
| } | ||
| if (useDefaultBackgroundColorForNavigationBar) { | ||
| navigationBarOverlapBackgroundColor = defaultBackgroundColor; | ||
| } | ||
| } | ||
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| WindowCompat.setDecorFitsSystemWindows(window, !edgeToEdgeEnabled); | ||
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| int statusBarColor = getStatusBarColor(window.getContext(), edgeToEdgeEnabled); | ||
| int navigationBarColor = getNavigationBarColor(window.getContext(), edgeToEdgeEnabled); | ||
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| window.setStatusBarColor(statusBarColor); | ||
| window.setNavigationBarColor(navigationBarColor); | ||
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| boolean isLightStatusBar = | ||
| isUsingLightSystemBar(statusBarColor, isColorLight(statusBarOverlapBackgroundColor)); | ||
| boolean isLightNavigationBar = | ||
| isUsingLightSystemBar( | ||
| navigationBarColor, isColorLight(navigationBarOverlapBackgroundColor)); | ||
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| WindowInsetsControllerCompat insetsController = | ||
| WindowCompat.getInsetsController(window, window.getDecorView()); | ||
| if (insetsController != null) { | ||
| insetsController.setAppearanceLightStatusBars(isLightStatusBar); | ||
| insetsController.setAppearanceLightNavigationBars(isLightNavigationBar); | ||
| } | ||
| } | ||
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| @TargetApi(VERSION_CODES.LOLLIPOP) | ||
| private static int getStatusBarColor(Context context, boolean isEdgeToEdgeEnabled) { | ||
| if (isEdgeToEdgeEnabled && VERSION.SDK_INT < VERSION_CODES.M) { | ||
| // Light status bars are only supported on M+. So we need to use a translucent black status | ||
| // bar instead to ensure the text/icon contrast of it. | ||
| int opaqueStatusBarColor = | ||
| MaterialColors.getColor(context, android.R.attr.statusBarColor, Color.BLACK); | ||
| return ColorUtils.setAlphaComponent(opaqueStatusBarColor, EDGE_TO_EDGE_BAR_ALPHA); | ||
| } | ||
| if (isEdgeToEdgeEnabled) { | ||
| return TRANSPARENT; | ||
| } | ||
| return MaterialColors.getColor(context, android.R.attr.statusBarColor, Color.BLACK); | ||
| } | ||
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| @TargetApi(VERSION_CODES.LOLLIPOP) | ||
| private static int getNavigationBarColor(Context context, boolean isEdgeToEdgeEnabled) { | ||
| // Light navigation bars are only supported on O_MR1+. So we need to use a translucent black | ||
| // navigation bar instead to ensure the text/icon contrast of it. | ||
| if (isEdgeToEdgeEnabled && VERSION.SDK_INT < VERSION_CODES.O_MR1) { | ||
| int opaqueNavBarColor = | ||
| MaterialColors.getColor(context, android.R.attr.navigationBarColor, Color.BLACK); | ||
| return ColorUtils.setAlphaComponent(opaqueNavBarColor, EDGE_TO_EDGE_BAR_ALPHA); | ||
| } | ||
| if (isEdgeToEdgeEnabled) { | ||
| return TRANSPARENT; | ||
| } | ||
| return MaterialColors.getColor(context, android.R.attr.navigationBarColor, Color.BLACK); | ||
| } | ||
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| private static boolean isUsingLightSystemBar(int systemBarColor, boolean isLightBackground) { | ||
| return isColorLight(systemBarColor) || (systemBarColor == TRANSPARENT && isLightBackground); | ||
| } | ||
| } |
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