[Audiosharing] Add calls and alarms device picker when sharing.

Flagged with enable_le_audio_sharing

Bug: 305620450
Test: Manual
Change-Id: I211bbd83e29a1ea865c3e368f0fcacf3a98255e9

src/com/android/settings/connecteddevice/audiosharing/AudioSharingDashboardFragment.java

@@ -16,6 +16,7 @@
 
 package com.android.settings.connecteddevice.audiosharing;
 
+import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.os.Bundle;
 
@@ -36,8 +37,7 @@ public class AudioSharingDashboardFragment extends DashboardFragment {
 
     @Override
     public int getMetricsCategory() {
-        // TODO: update category id.
-        return 0;
+        return SettingsEnums.AUDIO_SHARING_SETTINGS;
     }
 
     @Override
@@ -63,6 +63,7 @@ public class AudioSharingDashboardFragment extends DashboardFragment {
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
+        use(CallsAndAlarmsPreferenceController.class).init(this);
     }
 
     @Override

src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsDialogFragment.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2023 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.settings.connecteddevice.audiosharing;
+
+import android.app.Dialog;
+import android.app.settings.SettingsEnums;
+import android.os.Bundle;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.flags.Flags;
+
+/** Provides a dialog to choose the active device for calls and alarms. */
+public class CallsAndAlarmsDialogFragment extends InstrumentedDialogFragment {
+    private static final String TAG = "CallsAndAlarmsDialog";
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.DIALOG_AUDIO_SHARING_SWITCH_ACTIVE;
+    }
+
+    /**
+     * Display the {@link CallsAndAlarmsDialogFragment} dialog.
+     *
+     * @param host The Fragment this dialog will be hosted.
+     */
+    public static void show(Fragment host) {
+        if (!Flags.enableLeAudioSharing()) return;
+        final FragmentManager manager = host.getChildFragmentManager();
+        if (manager.findFragmentByTag(TAG) == null) {
+            final CallsAndAlarmsDialogFragment dialog = new CallsAndAlarmsDialogFragment();
+            dialog.show(manager, TAG);
+        }
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        // TODO: use real device names
+        String[] choices = {"Buds 1", "Buds 2"};
+        AlertDialog.Builder builder =
+                new AlertDialog.Builder(getActivity())
+                        .setTitle(R.string.calls_and_alarms_device_title)
+                        .setSingleChoiceItems(
+                                choices,
+                                0, // TODO: set to current active device.
+                                (dialog, which) -> {
+                                    // TODO: set device to active device for calls and alarms.
+                                });
+        return builder.create();
+    }
+}

src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsPreferenceController.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2023 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.settings.connecteddevice.audiosharing;
+
+import android.content.Context;
+import android.util.Log;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.flags.Flags;
+
+/** PreferenceController to control the dialog to choose the active device for calls and alarms */
+public class CallsAndAlarmsPreferenceController extends BasePreferenceController {
+
+    private static final String TAG = "CallsAndAlarmsPreferenceController";
+
+    private static final String PREF_KEY = "calls_and_alarms";
+
+    private Preference mPreference;
+    private DashboardFragment mFragment;
+
+    public CallsAndAlarmsPreferenceController(Context context) {
+        super(context, PREF_KEY);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return Flags.enableLeAudioSharing() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return PREF_KEY;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = screen.findPreference(getPreferenceKey());
+        mPreference.setOnPreferenceClickListener(
+                preference -> {
+                    if (mFragment != null) {
+                        CallsAndAlarmsDialogFragment.show(mFragment);
+                    } else {
+                        Log.w(TAG, "Dialog fail to show due to null host.");
+                    }
+                    return true;
+                });
+    }
+
+    /**
+     * Initialize the controller.
+     *
+     * @param fragment The fragment to host the {@link CallsAndAlarmsDialogFragment} dialog.
+     */
+    public void init(DashboardFragment fragment) {
+        this.mFragment = fragment;
+    }
+}