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feat(train): music by cadence in a recording, or the metronome (ADR 0030, D48)

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A workout keeps its cadence as a series of its own (steps a minute, every
10 s while moving). The Record sheet offers Music, Metronome or Off on
foot, remembered; Music once a kept track has a tempo. The recorder
measures the cadence over the last 30 s and plays a fitting track (its
tempo, half or double, within 6 %) through Media3's ExoPlayer, retuning
the track playing where it still fits, else crossfading over 3 s; a
plan's new step picks anew. A run starts at the cadence learnt from the
person's runs, which also gives a plan's steps their cadence.

Media3 1.10.1, pinned by Gradle's checksums (trusted on first download
from Google's Maven, 29 Oct 2026), for review:
  media3-common     aar 39686f54ff6baf8cbc841199afd55619533eaef2ab6cd0efc32b8a3c55dd88c3
                    module a81b2f0ebc256fe0e09f05d93c5259ade5bf44707748b9295343bee67575d9c2
  media3-container  aar a198b62c577fa434941282fbfa31eb66ff0ff308a6573edf0b5dd01f4e38445d
                    module e2a1c62c7e5d1013b906bc6ff5056db3e797cda4505e2d7d229524b24ca67a0e
  media3-database   aar 520e6f814e42a7d428db187ac073b453c0fcba0f4f5f4edd1cf33fafd2cfb740
                    module c380fea161e80d8074215a20e86e3dc2c2d825de964ca87aee66c8331f5ae252
  media3-datasource aar e22f9f779047ce951152c793af094593e7cbb52475a82d56fa4f869fd319e700
                    module 9d32d2ec6a983ee9f418bcc05777aa23eee4db37bf794f44fb66a05d6f22e963
  media3-decoder    aar a9fb2b8fa1d54b4a8d6bda98a1c655b04d59c74b3ace7e2503e9e39830f13aee
                    module 388d5226366edd1facf8eec42cb5420871a46032d545286e90eaea8454789580
  media3-exoplayer  aar 19090f829afbbb595d67618f59c212f72b433ac01dc72b47594cf42552c8ed61
                    module ba0b9ef325fa114baa0f2fbdb4caf54029606924be1999f4af02bed5f079756b
  media3-extractor  aar 3c823279356b64f4215a8c6cb1e6bfa60c533351a651786ad6fa69ad001ef1b1
                    module b3eb755d7373e4fd199ff80814005f3b303693dfb8ace16b5b9482655d49d493

Not tried on a phone yet.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
This commit is contained in:
Tizian 「ティツィアーン」 2026-10-29 13:31:41 +01:00
commit d5b367e930
Signed by: raisondetredev
GPG key ID: 07F6FCF405488B64
5 changed files with 1435 additions and 40 deletions
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6
apps/train/halkyon_train_flutter/lib/l10n/app_de.arb
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@ -501,5 +501,9 @@
"musicKeptDone": "{count} Titel, {size} MB, {tempo} mit Tempo",
"musicKeptDelete": "Löschen",
"musicKeptDeleteTitle": "Die Musik auf diesem Telefon löschen?",
"musicKeptDeleteText": "Alle Playlists werden abgewählt und ihre Titel von diesem Telefon gelöscht. Auf deinem Jellyfin-Server bleiben sie."
"musicKeptDeleteText": "Alle Playlists werden abgewählt und ihre Titel von diesem Telefon gelöscht. Auf deinem Jellyfin-Server bleiben sie.",
"recordMusic": "Musik",
"recordMusicOn": "Musik",
"recordMetronome": "Metronom",
"recordMusicOff": "Aus"
}

7
apps/train/halkyon_train_flutter/lib/l10n/app_en.arb
View file

@ -631,5 +631,10 @@
"@musicKeptDone": {"placeholders": {"count": {"type": "int"}, "size": {"type": "String", "example": "230.4"}, "tempo": {"type": "int"}}},
"musicKeptDelete": "Delete",
"musicKeptDeleteTitle": "Delete the music on this phone?",
"musicKeptDeleteText": "Every playlist is unmarked, and its tracks deleted from this phone. They stay on your Jellyfin server."
"musicKeptDeleteText": "Every playlist is unmarked, and its tracks deleted from this phone. They stay on your Jellyfin server.",
"recordMusic": "Music",
"recordMusicOn": "Music",
"@recordMusicOn": {"description": "The segment playing the kept tracks by cadence."},
"recordMetronome": "Metronome",
"recordMusicOff": "Off"
}

24
apps/train/halkyon_train_flutter/lib/l10n/app_localizations.dart
View file

@ -3033,6 +3033,30 @@ abstract class AppLocalizations {
/// In en, this message translates to:
/// **'Every playlist is unmarked, and its tracks deleted from this phone. They stay on your Jellyfin server.'**
String get musicKeptDeleteText;
/// No description provided for @recordMusic.
///
/// In en, this message translates to:
/// **'Music'**
String get recordMusic;
/// The segment playing the kept tracks by cadence.
///
/// In en, this message translates to:
/// **'Music'**
String get recordMusicOn;
/// No description provided for @recordMetronome.
///
/// In en, this message translates to:
/// **'Metronome'**
String get recordMetronome;
/// No description provided for @recordMusicOff.
///
/// In en, this message translates to:
/// **'Off'**
String get recordMusicOff;
}
class _AppLocalizationsDelegate

12
apps/train/halkyon_train_flutter/lib/l10n/app_localizations_de.dart
View file

@ -1809,4 +1809,16 @@ class AppLocalizationsDe extends AppLocalizations {
@override
String get musicKeptDeleteText =>
'Alle Playlists werden abgewählt und ihre Titel von diesem Telefon gelöscht. Auf deinem Jellyfin-Server bleiben sie.';
@override
String get recordMusic => 'Musik';
@override
String get recordMusicOn => 'Musik';
@override
String get recordMetronome => 'Metronom';
@override
String get recordMusicOff => 'Aus';
}

12
apps/train/halkyon_train_flutter/lib/l10n/app_localizations_en.dart
View file

@ -1797,6 +1797,18 @@ class AppLocalizationsEn extends AppLocalizations {
@override
String get musicKeptDeleteText =>
'Every playlist is unmarked, and its tracks deleted from this phone. They stay on your Jellyfin server.';
@override
String get recordMusic => 'Music';
@override
String get recordMusicOn => 'Music';
@override
String get recordMetronome => 'Metronome';
@override
String get recordMusicOff => 'Off';
}
/// The translations for English, as used in the United Kingdom (`en_GB`).