fix: 首次提交

SettingsLib/ActivityEmbedding/Android.bp

@@ -0,0 +1,39 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_base_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_library {
+    name: "SettingsLibActivityEmbedding",
+    use_resource_processor: true,
+    defaults: [
+        "SettingsLintDefaults",
+    ],
+
+    srcs: ["src/**/*.java"],
+
+    static_libs: [
+        "androidx.annotation_annotation",
+        "androidx.core_core",
+        "androidx.window_window",
+        "SettingsLibUtils",
+    ],
+    sdk_version: "system_current",
+    min_sdk_version: "21",
+    // TODO(b/228508619) Remove the optional uses after fixing upstream
+    optional_uses_libs: [
+        "org.apache.http.legacy",
+        "androidx.window.extensions",
+        "androidx.window.sidecar",
+    ],
+
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.permission",
+        "com.android.healthfitness",
+    ],
+}

SettingsLib/ActivityEmbedding/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.android.settingslib.widget.activityembedding">
+
+    <uses-sdk android:minSdkVersion="21" />
+
+    <application>
+        <uses-library android:name="org.apache.http.legacy" android:required="false" />
+        <uses-library android:name="androidx.window.extensions" android:required="false" />
+        <uses-library android:name="androidx.window.sidecar" android:required="false" />
+    </application>
+
+</manifest>

SettingsLib/ActivityEmbedding/OWNERS

@@ -0,0 +1,4 @@
+# Default reviewers for this and subdirectories.
+sunnyshao@google.com
+
+# Emergency approvers in case the above are not available

SettingsLib/ActivityEmbedding/src/com/android/settingslib/activityembedding/ActivityEmbeddingUtils.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2021 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.android.settingslib.activityembedding;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+import androidx.core.os.BuildCompat;
+import androidx.window.embedding.ActivityEmbeddingController;
+
+import com.android.settingslib.utils.BuildCompatUtils;
+
+/**
+ * An util class collecting all common methods for the embedding activity features.
+ */
+public final class ActivityEmbeddingUtils {
+    private static final String ACTION_SETTINGS_EMBED_DEEP_LINK_ACTIVITY =
+            "android.settings.SETTINGS_EMBED_DEEP_LINK_ACTIVITY";
+    private static final String PACKAGE_NAME_SETTINGS = "com.android.settings";
+    private static final String TAG = "ActivityEmbeddingUtils";
+
+    /**
+     * Whether the embedding activity feature is enabled.
+     *
+     * <p>This returns false if the Android version is below S or if the embedding activity is not
+     * enabled (unsupported devices).
+     */
+    public static boolean isEmbeddingActivityEnabled(Context context) {
+        final boolean isEmbeddingActivityEnabled = getEmbeddingActivityComponent(context) != null;
+        Log.d(TAG, "isEmbeddingActivityEnabled : " + isEmbeddingActivityEnabled);
+        return isEmbeddingActivityEnabled;
+    }
+
+    /**
+     * Returns a base Intent to the embedding activity (without the extras).
+     *
+     * <p>This returns null if the Android version is below S or if the embedding activity is not
+     * enabled (unsupported devices).
+     */
+    public static Intent buildEmbeddingActivityBaseIntent(Context context) {
+        ComponentName embeddingActivityComponentName = getEmbeddingActivityComponent(context);
+        if (embeddingActivityComponentName == null) {
+            return null;
+        }
+        return new Intent(ACTION_SETTINGS_EMBED_DEEP_LINK_ACTIVITY)
+                .setComponent(embeddingActivityComponentName);
+    }
+
+    /**
+     * Returns the ComponentName associated with the embedding activity.
+     *
+     * <p>This returns null if the Android version is below S or if the embedding activity is not
+     * enabled (unsupported devices).
+     */
+    private static ComponentName getEmbeddingActivityComponent(Context context) {
+        if (!BuildCompatUtils.isAtLeastSV2()) {
+            return null;
+        }
+        final Intent intent = new Intent(ACTION_SETTINGS_EMBED_DEEP_LINK_ACTIVITY);
+        intent.setPackage(PACKAGE_NAME_SETTINGS);
+        return intent.resolveActivity(context.getPackageManager());
+    }
+
+    /**
+     * Whether the current activity is embedded in the Settings app or not.
+     *
+     * @param activity Activity that needs the check
+     */
+    public static boolean isActivityEmbedded(Activity activity) {
+        return ActivityEmbeddingController.getInstance(activity).isActivityEmbedded(activity);
+    }
+
+    /**
+     * Whether the current activity should hide the navigate up button.
+     *
+     * @param activity          Activity that needs the check
+     * @param isSecondLayerPage indicates if the activity(page) is shown in the 2nd layer of
+     *                          Settings app
+     */
+    public static boolean shouldHideNavigateUpButton(Activity activity, boolean isSecondLayerPage) {
+        if (!BuildCompat.isAtLeastT()) {
+            return false;
+        }
+
+        if (!isSecondLayerPage) {
+            return false;
+        }
+
+        return isActivityEmbedded(activity);
+    }
+
+    private ActivityEmbeddingUtils() {
+    }
+}