fix: 首次提交

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() {
+    }
+}