[Audiosharing] Reimpl audio sharing main switch

New flow: Automatically add sharing source to connected active device eligible for
audio sharing. And then pop up the dialog for users to choose an additinal eligible device
to share audio.

Old flow: Pop up the dialog first and add sharing source after user
interact to the dialog.

Flagged with enable_le_audio_sharing

Bug: 305620450
Test: Manual
Change-Id: If0d1609b2677ca9ecae926c198f305fd1f4e34d3

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

@@ -21,6 +21,7 @@ import android.app.settings.SettingsEnums;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.widget.Button;
 import android.widget.TextView;
 
 import androidx.appcompat.app.AlertDialog;
@@ -39,7 +40,7 @@ import java.util.Locale;
 public class AudioSharingDialogFragment extends InstrumentedDialogFragment {
     private static final String TAG = "AudioSharingDialog";
 
-    private static final String BUNDLE_KEY_DEVICE_ITEMS = "bundle_key_device_names";
+    private static final String BUNDLE_KEY_DEVICE_ITEMS = "bundle_key_device_items";
 
     // The host creates an instance of this dialog fragment must implement this interface to receive
     // event callbacks.
@@ -50,9 +51,6 @@ public class AudioSharingDialogFragment extends InstrumentedDialogFragment {
          * @param item The device item clicked.
          */
         void onItemClick(AudioSharingDeviceItem item);
-
-        /** Called when users click the cancel button in the dialog. */
-        void onCancelClick();
     }
 
     private static DialogEventListener sListener;
@@ -68,6 +66,8 @@ public class AudioSharingDialogFragment extends InstrumentedDialogFragment {
      * Display the {@link AudioSharingDialogFragment} dialog.
      *
      * @param host The Fragment this dialog will be hosted.
+     * @param deviceItems The connected device items eligible for audio sharing.
+     * @param listener The callback to handle the user action on this dialog.
      */
     public static void show(
             Fragment host,
@@ -101,11 +101,6 @@ public class AudioSharingDialogFragment extends InstrumentedDialogFragment {
             subTitle1.setVisibility(View.INVISIBLE);
             subTitle2.setText(
                     "To start sharing audio, connect additional headphones that support LE audio");
-            builder.setNegativeButton(
-                    "Close",
-                    (dialog, which) -> {
-                        sListener.onCancelClick();
-                    });
         } else {
             subTitle1.setText(
                     String.format(
@@ -127,6 +122,8 @@ public class AudioSharingDialogFragment extends InstrumentedDialogFragment {
                         }));
         recyclerView.setLayoutManager(
                 new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false));
+        Button cancelBtn = mRootView.findViewById(R.id.cancel_btn);
+        cancelBtn.setOnClickListener(v -> dismiss());
         AlertDialog dialog = builder.setView(mRootView).create();
         dialog.setCanceledOnTouchOutside(false);
         return dialog;