Notifications/Wearable/src/main/java/com/example/android/wearable/wear/wearnotifications/StandaloneMainActivity.java [403:469]:
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        Intent mainIntent = new Intent(this, BigPictureSocialMainActivity.class);

        PendingIntent mainPendingIntent =
                PendingIntent.getActivity(
                        this,
                        0,
                        mainIntent,
                        PendingIntent.FLAG_UPDATE_CURRENT
                );

        // 4. Set up a RemoteInput Action, so users can input (keyboard, drawing, voice) directly
        // from the notification without entering the app.

        // Create the RemoteInput.
        String replyLabel = getString(R.string.reply_label);
        RemoteInput remoteInput =
                new RemoteInput.Builder(BigPictureSocialIntentService.EXTRA_COMMENT)
                        .setLabel(replyLabel)
                        // List of quick response choices for any wearables paired with the phone.
                        .setChoices(bigPictureStyleSocialAppData.getPossiblePostResponses())
                        .build();

        // Create PendingIntent for service that handles input.
        Intent replyIntent = new Intent(this, BigPictureSocialIntentService.class);
        replyIntent.setAction(BigPictureSocialIntentService.ACTION_COMMENT);
        PendingIntent replyActionPendingIntent = PendingIntent.getService(this, 0, replyIntent, 0);

        // Enable action to appear inline on Wear 2.0 (24+). This means it will appear over the
        // lower portion of the Notification for easy action (only possible for one action).
        final NotificationCompat.Action.WearableExtender inlineActionForWear2 =
                new NotificationCompat.Action.WearableExtender()
                        .setHintDisplayActionInline(true)
                        .setHintLaunchesActivity(false);

        NotificationCompat.Action replyAction =
                new NotificationCompat.Action.Builder(
                        R.drawable.ic_reply_white_18dp,
                        replyLabel,
                        replyActionPendingIntent)
                        .addRemoteInput(remoteInput)
                        // Add WearableExtender to enable inline actions.
                        .extend(inlineActionForWear2)
                        .build();

        // 5. Build and issue the notification

        // Because we want this to be a new notification (not updating a previous notification), we
        // create a new Builder. Later, we use the same global builder to get back the notification
        // we built here for a comment on the post.

        // Notification Channel Id is ignored for Android pre O (26).
        NotificationCompat.Builder notificationCompatBuilder =
                new NotificationCompat.Builder(
                        getApplicationContext(), notificationChannelId);

        GlobalNotificationBuilder.setNotificationCompatBuilderInstance(notificationCompatBuilder);

        notificationCompatBuilder
                // BIG_PICTURE_STYLE sets title and content.
                .setStyle(bigPictureStyle)
                .setContentTitle(bigPictureStyleSocialAppData.getContentTitle())
                .setContentText(bigPictureStyleSocialAppData.getContentText())
                .setSmallIcon(R.drawable.ic_launcher)
                .setLargeIcon(BitmapFactory.decodeResource(
                        getResources(),
                        R.drawable.ic_person_black_48dp))
                .setContentIntent(mainPendingIntent)
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Notifications/Wearable/src/main/java/com/example/android/wearable/wear/wearnotifications/handlers/BigPictureSocialIntentService.java [166:223]:
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        Intent mainIntent = new Intent(this, BigPictureSocialMainActivity.class);

        PendingIntent mainPendingIntent =
                PendingIntent.getActivity(
                        this,
                        0,
                        mainIntent,
                        PendingIntent.FLAG_UPDATE_CURRENT
                );

        // 4. Set up a RemoteInput Action, so users can input (keyboard, drawing, voice) directly
        // from the notification without entering the app.
        String replyLabel = getString(R.string.reply_label);
        RemoteInput remoteInput =
                new RemoteInput.Builder(BigPictureSocialIntentService.EXTRA_COMMENT)
                        .setLabel(replyLabel)
                        .setChoices(bigPictureStyleSocialAppData.getPossiblePostResponses())
                        .build();

        Intent replyIntent = new Intent(this, BigPictureSocialIntentService.class);
        replyIntent.setAction(BigPictureSocialIntentService.ACTION_COMMENT);
        PendingIntent replyActionPendingIntent = PendingIntent.getService(this, 0, replyIntent, 0);

        // Enable action to appear inline on Wear 2.0 (24+). This means it will appear over the
        // lower portion of the Notification for easy action (only possible for one action).
        final NotificationCompat.Action.WearableExtender inlineActionForWear2 =
                new NotificationCompat.Action.WearableExtender()
                        .setHintDisplayActionInline(true)
                        .setHintLaunchesActivity(false);

        NotificationCompat.Action replyAction =
                new NotificationCompat.Action.Builder(
                        R.drawable.ic_reply_white_18dp,
                        replyLabel,
                        replyActionPendingIntent)
                        .addRemoteInput(remoteInput)
                        // Add WearableExtender to enable inline actions.
                        .extend(inlineActionForWear2)
                        .build();

        // 5. Build and issue the notification.

        // Notification Channel Id is ignored for Android pre O (26).
        NotificationCompat.Builder notificationCompatBuilder =
                new NotificationCompat.Builder(
                        getApplicationContext(), notificationChannelId);

        GlobalNotificationBuilder.setNotificationCompatBuilderInstance(notificationCompatBuilder);

        notificationCompatBuilder
                .setStyle(bigPictureStyle)
                .setContentTitle(bigPictureStyleSocialAppData.getContentTitle())
                .setContentText(bigPictureStyleSocialAppData.getContentText())
                .setSmallIcon(R.drawable.ic_launcher)
                .setLargeIcon(BitmapFactory.decodeResource(
                        getResources(),
                        R.drawable.ic_person_black_48dp))
                .setContentIntent(mainPendingIntent)
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