feat: Make all objects in Tempo references for quick access (#158)

app/src/main/AndroidManifest.xml

@@ -42,6 +42,16 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="asset"
+                    android:scheme="tempo" />
+            </intent-filter>
         </activity>
 
         <service

app/src/main/java/com/cappielloantonio/tempo/repository/PlaylistRepository.java

@@ -80,6 +80,33 @@ public class PlaylistRepository {
         return listLivePlaylistSongs;
     }
 
+    public MutableLiveData<Playlist> getPlaylist(String id) {
+        MutableLiveData<Playlist> playlistLiveData = new MutableLiveData<>();
+
+        App.getSubsonicClientInstance(false)
+                .getPlaylistClient()
+                .getPlaylist(id)
+                .enqueue(new Callback<ApiResponse>() {
+                    @Override
+                    public void onResponse(@NonNull Call<ApiResponse> call, @NonNull Response<ApiResponse> response) {
+                        if (response.isSuccessful()
+                                && response.body() != null
+                                && response.body().getSubsonicResponse().getPlaylist() != null) {
+                            playlistLiveData.setValue(response.body().getSubsonicResponse().getPlaylist());
+                        } else {
+                            playlistLiveData.setValue(null);
+                        }
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Call<ApiResponse> call, @NonNull Throwable t) {
+                        playlistLiveData.setValue(null);
+                    }
+                });
+
+        return playlistLiveData;
+    }
+
     public void addSongToPlaylist(String playlistId, ArrayList<String> songsId) {
         if (songsId.isEmpty()) {
             Toast.makeText(App.getContext(), App.getContext().getString(R.string.playlist_chooser_dialog_toast_all_skipped), Toast.LENGTH_SHORT).show();

app/src/main/java/com/cappielloantonio/tempo/ui/activity/MainActivity.java

@@ -37,6 +37,8 @@ import com.cappielloantonio.tempo.ui.dialog.ConnectionAlertDialog;
 import com.cappielloantonio.tempo.ui.dialog.GithubTempoUpdateDialog;
 import com.cappielloantonio.tempo.ui.dialog.ServerUnreachableDialog;
 import com.cappielloantonio.tempo.ui.fragment.PlayerBottomSheetFragment;
+import com.cappielloantonio.tempo.util.AssetLinkNavigator;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.Preferences;
 import com.cappielloantonio.tempo.viewmodel.MainViewModel;
@@ -60,6 +62,8 @@ public class MainActivity extends BaseActivity {
     private BottomNavigationView bottomNavigationView;
     public NavController navController;
     private BottomSheetBehavior bottomSheetBehavior;
+    private AssetLinkNavigator assetLinkNavigator;
+    private AssetLinkUtil.AssetLink pendingAssetLink;
 
     ConnectivityStatusBroadcastReceiver connectivityStatusBroadcastReceiver;
     private Intent pendingDownloadPlaybackIntent;
@@ -76,6 +80,7 @@ public class MainActivity extends BaseActivity {
         setContentView(view);
 
         mainViewModel = new ViewModelProvider(this).get(MainViewModel.class);
+        assetLinkNavigator = new AssetLinkNavigator(this);
 
         connectivityStatusBroadcastReceiver = new ConnectivityStatusBroadcastReceiver(this);
         connectivityStatusReceiverManager(true);
@@ -311,6 +316,24 @@ public class MainActivity extends BaseActivity {
     public void goFromLogin() {
         setBottomSheetInPeek(mainViewModel.isQueueLoaded());
         goToHome();
+        consumePendingAssetLink();
+    }
+
+    public void openAssetLink(@NonNull AssetLinkUtil.AssetLink assetLink) {
+        openAssetLink(assetLink, true);
+    }
+
+    public void openAssetLink(@NonNull AssetLinkUtil.AssetLink assetLink, boolean collapsePlayer) {
+        if (!isUserAuthenticated()) {
+            pendingAssetLink = assetLink;
+            return;
+        }
+        if (collapsePlayer) {
+            setBottomSheetInPeek(true);
+        }
+        if (assetLinkNavigator != null) {
+            assetLinkNavigator.open(assetLink);
+        }
     }
 
     public void quit() {
@@ -443,6 +466,7 @@ public class MainActivity extends BaseActivity {
                 || intent.hasExtra(Constants.EXTRA_DOWNLOAD_URI)) {
             pendingDownloadPlaybackIntent = new Intent(intent);
         }
+        handleAssetLinkIntent(intent);
     }
 
     private void consumePendingPlaybackIntent() {
@@ -452,6 +476,35 @@ public class MainActivity extends BaseActivity {
         playDownloadedMedia(intent);
     }
 
+    private void handleAssetLinkIntent(Intent intent) {
+        AssetLinkUtil.AssetLink assetLink = AssetLinkUtil.parse(intent);
+        if (assetLink == null) {
+            return;
+        }
+        if (!isUserAuthenticated()) {
+            pendingAssetLink = assetLink;
+            intent.setData(null);
+            return;
+        }
+        if (assetLinkNavigator != null) {
+            assetLinkNavigator.open(assetLink);
+        }
+        intent.setData(null);
+    }
+
+    private boolean isUserAuthenticated() {
+        return Preferences.getPassword() != null
+                || (Preferences.getToken() != null && Preferences.getSalt() != null);
+    }
+
+    private void consumePendingAssetLink() {
+        if (pendingAssetLink == null || assetLinkNavigator == null) {
+            return;
+        }
+        assetLinkNavigator.open(pendingAssetLink);
+        pendingAssetLink = null;
+    }
+
     private void playDownloadedMedia(Intent intent) {
         String uriString = intent.getStringExtra(Constants.EXTRA_DOWNLOAD_URI);
         if (TextUtils.isEmpty(uriString)) {

app/src/main/java/com/cappielloantonio/tempo/ui/dialog/TrackInfoDialog.java

@@ -2,6 +2,7 @@ package com.cappielloantonio.tempo.ui.dialog;
 
 import android.app.Dialog;
 import android.os.Bundle;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.fragment.app.DialogFragment;
@@ -10,6 +11,7 @@ import androidx.media3.common.MediaMetadata;
 import com.cappielloantonio.tempo.R;
 import com.cappielloantonio.tempo.databinding.DialogTrackInfoBinding;
 import com.cappielloantonio.tempo.glide.CustomGlideRequest;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.MusicUtil;
 import com.cappielloantonio.tempo.util.Preferences;
@@ -21,6 +23,11 @@ public class TrackInfoDialog extends DialogFragment {
     private DialogTrackInfoBinding bind;
 
     private final MediaMetadata mediaMetadata;
+    private AssetLinkUtil.AssetLink songLink;
+    private AssetLinkUtil.AssetLink albumLink;
+    private AssetLinkUtil.AssetLink artistLink;
+    private AssetLinkUtil.AssetLink genreLink;
+    private AssetLinkUtil.AssetLink yearLink;
 
     public TrackInfoDialog(MediaMetadata mediaMetadata) {
         this.mediaMetadata = mediaMetadata;
@@ -52,6 +59,8 @@ public class TrackInfoDialog extends DialogFragment {
     }
 
     private void setTrackInfo() {
+        genreLink = null;
+        yearLink = null;
         bind.trakTitleInfoTextView.setText(mediaMetadata.title);
         bind.trakArtistInfoTextView.setText(
                 mediaMetadata.artist != null
@@ -61,17 +70,41 @@ public class TrackInfoDialog extends DialogFragment {
                         : "");
 
         if (mediaMetadata.extras != null) {
+            songLink = AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_SONG, mediaMetadata.extras.getString("id"));
+            albumLink = AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_ALBUM, mediaMetadata.extras.getString("albumId"));
+            artistLink = AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_ARTIST, mediaMetadata.extras.getString("artistId"));
+            genreLink = AssetLinkUtil.parseLinkString(mediaMetadata.extras.getString("assetLinkGenre"));
+            yearLink = AssetLinkUtil.parseLinkString(mediaMetadata.extras.getString("assetLinkYear"));
+
             CustomGlideRequest.Builder
                     .from(requireContext(), mediaMetadata.extras.getString("coverArtId", ""), CustomGlideRequest.ResourceType.Song)
                     .build()
                     .into(bind.trackCoverInfoImageView);
 
-            bind.titleValueSector.setText(mediaMetadata.extras.getString("title", getString(R.string.label_placeholder)));
+            bindAssetLink(bind.trackCoverInfoImageView, albumLink != null ? albumLink : songLink);
-            bind.albumValueSector.setText(mediaMetadata.extras.getString("album", getString(R.string.label_placeholder)));
+            bindAssetLink(bind.trakTitleInfoTextView, songLink);
-            bind.artistValueSector.setText(mediaMetadata.extras.getString("artist", getString(R.string.label_placeholder)));
+            bindAssetLink(bind.trakArtistInfoTextView, artistLink != null ? artistLink : songLink);
+
+            String titleValue = mediaMetadata.extras.getString("title", getString(R.string.label_placeholder));
+            String albumValue = mediaMetadata.extras.getString("album", getString(R.string.label_placeholder));
+            String artistValue = mediaMetadata.extras.getString("artist", getString(R.string.label_placeholder));
+            String genreValue = mediaMetadata.extras.getString("genre", getString(R.string.label_placeholder));
+            int yearValue = mediaMetadata.extras.getInt("year", 0);
+
+            if (genreLink == null && genreValue != null && !genreValue.isEmpty() && !getString(R.string.label_placeholder).contentEquals(genreValue)) {
+                genreLink = AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_GENRE, genreValue);
+            }
+
+            if (yearLink == null && yearValue != 0) {
+                yearLink = AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_YEAR, String.valueOf(yearValue));
+            }
+
+            bind.titleValueSector.setText(titleValue);
+            bind.albumValueSector.setText(albumValue);
+            bind.artistValueSector.setText(artistValue);
             bind.trackNumberValueSector.setText(mediaMetadata.extras.getInt("track", 0) != 0 ? String.valueOf(mediaMetadata.extras.getInt("track", 0)) : getString(R.string.label_placeholder));
-            bind.yearValueSector.setText(mediaMetadata.extras.getInt("year", 0) != 0 ? String.valueOf(mediaMetadata.extras.getInt("year", 0)) : getString(R.string.label_placeholder));
+            bind.yearValueSector.setText(yearValue != 0 ? String.valueOf(yearValue) : getString(R.string.label_placeholder));
-            bind.genreValueSector.setText(mediaMetadata.extras.getString("genre", getString(R.string.label_placeholder)));
+            bind.genreValueSector.setText(genreValue);
             bind.sizeValueSector.setText(mediaMetadata.extras.getLong("size", 0) != 0 ? MusicUtil.getReadableByteCount(mediaMetadata.extras.getLong("size", 0)) : getString(R.string.label_placeholder));
             bind.contentTypeValueSector.setText(mediaMetadata.extras.getString("contentType", getString(R.string.label_placeholder)));
             bind.suffixValueSector.setText(mediaMetadata.extras.getString("suffix", getString(R.string.label_placeholder)));
@@ -83,6 +116,12 @@ public class TrackInfoDialog extends DialogFragment {
             bind.bitDepthValueSector.setText(mediaMetadata.extras.getInt("bitDepth", 0) != 0 ? mediaMetadata.extras.getInt("bitDepth", 0) + " bits" : getString(R.string.label_placeholder));
             bind.pathValueSector.setText(mediaMetadata.extras.getString("path", getString(R.string.label_placeholder)));
             bind.discNumberValueSector.setText(mediaMetadata.extras.getInt("discNumber", 0) != 0 ? String.valueOf(mediaMetadata.extras.getInt("discNumber", 0)) : getString(R.string.label_placeholder));
+
+            bindAssetLink(bind.titleValueSector, songLink);
+            bindAssetLink(bind.albumValueSector, albumLink);
+            bindAssetLink(bind.artistValueSector, artistLink);
+            bindAssetLink(bind.genreValueSector, genreLink);
+            bindAssetLink(bind.yearValueSector, yearLink);
         }
     }
 
@@ -135,4 +174,31 @@ public class TrackInfoDialog extends DialogFragment {
             bind.trakTranscodingInfoTextView.setText(info);
         }
     }
+
+    private void bindAssetLink(android.view.View view, AssetLinkUtil.AssetLink assetLink) {
+        if (view == null) return;
+        if (assetLink == null) {
+            AssetLinkUtil.clearLinkAppearance(view);
+            view.setOnClickListener(null);
+            view.setOnLongClickListener(null);
+            view.setClickable(false);
+            view.setLongClickable(false);
+            return;
+        }
+
+        view.setClickable(true);
+        view.setLongClickable(true);
+        AssetLinkUtil.applyLinkAppearance(view);
+        view.setOnClickListener(v -> {
+            dismissAllowingStateLoss();
+            boolean collapse = !AssetLinkUtil.TYPE_SONG.equals(assetLink.type);
+            ((com.cappielloantonio.tempo.ui.activity.MainActivity) requireActivity()).openAssetLink(assetLink, collapse);
+        });
+        view.setOnLongClickListener(v -> {
+            AssetLinkUtil.copyToClipboard(requireContext(), assetLink);
+            Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, assetLink.id), Toast.LENGTH_SHORT).show();
+            return true;
+        });
+    }
+
 }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/AlbumPageFragment.java

@@ -35,6 +35,7 @@ import com.cappielloantonio.tempo.ui.activity.MainActivity;
 import com.cappielloantonio.tempo.ui.adapter.SongHorizontalAdapter;
 import com.cappielloantonio.tempo.ui.dialog.PlaylistChooserDialog;
 import com.cappielloantonio.tempo.ui.dialog.RatingDialog;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.DownloadUtil;
 import com.cappielloantonio.tempo.util.MappingUtil;
@@ -177,8 +178,35 @@ public class AlbumPageFragment extends Fragment implements ClickCallback {
 
                 bind.albumNameLabel.setText(album.getName());
                 bind.albumArtistLabel.setText(album.getArtist());
+                AssetLinkUtil.applyLinkAppearance(bind.albumArtistLabel);
+                AssetLinkUtil.AssetLink artistLink = buildArtistLink(album);
+                bind.albumArtistLabel.setOnLongClickListener(v -> {
+                    if (artistLink != null) {
+                        AssetLinkUtil.copyToClipboard(requireContext(), artistLink);
+                        Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, artistLink.id), Toast.LENGTH_SHORT).show();
+                        return true;
+                    }
+                    return false;
+                });
                 bind.albumReleaseYearLabel.setText(album.getYear() != 0 ? String.valueOf(album.getYear()) : "");
-                bind.albumReleaseYearLabel.setVisibility(album.getYear() != 0 ? View.VISIBLE : View.GONE);
+                if (album.getYear() != 0) {
+                    bind.albumReleaseYearLabel.setVisibility(View.VISIBLE);
+                    AssetLinkUtil.applyLinkAppearance(bind.albumReleaseYearLabel);
+                    bind.albumReleaseYearLabel.setOnClickListener(v -> openYearLink(album.getYear()));
+                    bind.albumReleaseYearLabel.setOnLongClickListener(v -> {
+                        AssetLinkUtil.AssetLink yearLink = buildYearLink(album.getYear());
+                        if (yearLink != null) {
+                            AssetLinkUtil.copyToClipboard(requireContext(), yearLink);
+                            Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, yearLink.id), Toast.LENGTH_SHORT).show();
+                        }
+                        return true;
+                    });
+                } else {
+                    bind.albumReleaseYearLabel.setVisibility(View.GONE);
+                    bind.albumReleaseYearLabel.setOnClickListener(null);
+                    bind.albumReleaseYearLabel.setOnLongClickListener(null);
+                    AssetLinkUtil.clearLinkAppearance(bind.albumReleaseYearLabel);
+                }
                 bind.albumSongCountDurationTextview.setText(getString(R.string.album_page_tracks_count_and_duration, album.getSongCount(), album.getDuration() != null ? album.getDuration() / 60 : 0));
                 if (album.getGenre() != null && !album.getGenre().isEmpty()) {
                     bind.albumGenresTextview.setText(album.getGenre());
@@ -347,4 +375,23 @@ public class AlbumPageFragment extends Fragment implements ClickCallback {
     private void setMediaBrowserListenableFuture() {
         songHorizontalAdapter.setMediaBrowserListenableFuture(mediaBrowserListenableFuture);
     }
+
+    private void openYearLink(int year) {
+        AssetLinkUtil.AssetLink link = buildYearLink(year);
+        if (link != null) {
+            activity.openAssetLink(link);
+        }
+    }
+
+    private AssetLinkUtil.AssetLink buildYearLink(int year) {
+        if (year <= 0) return null;
+        return AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_YEAR, String.valueOf(year));
+    }
+
+    private AssetLinkUtil.AssetLink buildArtistLink(AlbumID3 album) {
+        if (album == null || album.getArtistId() == null || album.getArtistId().isEmpty()) {
+            return null;
+        }
+        return AssetLinkUtil.buildAssetLink(AssetLinkUtil.TYPE_ARTIST, album.getArtistId());
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlayerBottomSheetFragment.java

@@ -195,6 +195,7 @@ public class PlayerBottomSheetFragment extends Fragment {
         }
     }
 
+
     private void setMediaControllerUI(MediaBrowser mediaBrowser) {
         if (mediaBrowser.getMediaMetadata().extras != null) {
             switch (mediaBrowser.getMediaMetadata().extras.getString("type", Constants.MEDIA_TYPE_MUSIC)) {

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlayerControllerFragment.java

@@ -13,9 +13,10 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
+import android.widget.RatingBar;
 import android.widget.TextView;
 import android.widget.ToggleButton;
-import android.widget.RatingBar;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.constraintlayout.widget.ConstraintLayout;
@@ -41,12 +42,14 @@ import com.cappielloantonio.tempo.ui.activity.MainActivity;
 import com.cappielloantonio.tempo.ui.dialog.RatingDialog;
 import com.cappielloantonio.tempo.ui.dialog.TrackInfoDialog;
 import com.cappielloantonio.tempo.ui.fragment.pager.PlayerControllerHorizontalPager;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.MusicUtil;
 import com.cappielloantonio.tempo.util.Preferences;
 import com.cappielloantonio.tempo.viewmodel.PlayerBottomSheetViewModel;
 import com.cappielloantonio.tempo.viewmodel.RatingViewModel;
 import com.google.android.material.chip.Chip;
+import com.google.android.material.chip.ChipGroup;
 import com.google.android.material.elevation.SurfaceColors;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
@@ -76,6 +79,10 @@ public class PlayerControllerFragment extends Fragment {
     private ImageButton playerTrackInfo;
     private LinearLayout ratingContainer;
     private ImageButton equalizerButton;
+    private ChipGroup assetLinkChipGroup;
+    private Chip playerSongLinkChip;
+    private Chip playerAlbumLinkChip;
+    private Chip playerArtistLinkChip;
 
     private MainActivity activity;
     private PlayerBottomSheetViewModel playerBottomSheetViewModel;
@@ -139,6 +146,10 @@ public class PlayerControllerFragment extends Fragment {
         songRatingBar =  bind.getRoot().findViewById(R.id.song_rating_bar);
         ratingContainer = bind.getRoot().findViewById(R.id.rating_container);
         equalizerButton = bind.getRoot().findViewById(R.id.player_open_equalizer_button);
+        assetLinkChipGroup = bind.getRoot().findViewById(R.id.asset_link_chip_group);
+        playerSongLinkChip = bind.getRoot().findViewById(R.id.asset_link_song_chip);
+        playerAlbumLinkChip = bind.getRoot().findViewById(R.id.asset_link_album_chip);
+        playerArtistLinkChip = bind.getRoot().findViewById(R.id.asset_link_artist_chip);
         checkAndSetRatingContainerVisibility();
     }
 
@@ -219,6 +230,8 @@ public class PlayerControllerFragment extends Fragment {
                         || mediaMetadata.extras != null && Objects.equals(mediaMetadata.extras.getString("type"), Constants.MEDIA_TYPE_RADIO) && mediaMetadata.extras.getString("uri") != null
                         ? View.VISIBLE
                         : View.GONE);
+
+        updateAssetLinkChips(mediaMetadata);
     }
 
     private void setMediaInfo(MediaMetadata mediaMetadata) {
@@ -259,6 +272,110 @@ public class PlayerControllerFragment extends Fragment {
         });
     }
 
+    private void updateAssetLinkChips(MediaMetadata mediaMetadata) {
+        if (assetLinkChipGroup == null) return;
+        String mediaType = mediaMetadata.extras != null ? mediaMetadata.extras.getString("type", Constants.MEDIA_TYPE_MUSIC) : Constants.MEDIA_TYPE_MUSIC;
+        if (!Constants.MEDIA_TYPE_MUSIC.equals(mediaType)) {
+            clearAssetLinkChip(playerSongLinkChip);
+            clearAssetLinkChip(playerAlbumLinkChip);
+            clearAssetLinkChip(playerArtistLinkChip);
+            syncAssetLinkGroupVisibility();
+            return;
+        }
+
+        String songId = mediaMetadata.extras != null ? mediaMetadata.extras.getString("id") : null;
+        String albumId = mediaMetadata.extras != null ? mediaMetadata.extras.getString("albumId") : null;
+        String artistId = mediaMetadata.extras != null ? mediaMetadata.extras.getString("artistId") : null;
+
+        AssetLinkUtil.AssetLink songLink = bindAssetLinkChip(playerSongLinkChip, AssetLinkUtil.TYPE_SONG, songId);
+        AssetLinkUtil.AssetLink albumLink = bindAssetLinkChip(playerAlbumLinkChip, AssetLinkUtil.TYPE_ALBUM, albumId);
+        AssetLinkUtil.AssetLink artistLink = bindAssetLinkChip(playerArtistLinkChip, AssetLinkUtil.TYPE_ARTIST, artistId);
+        bindAssetLinkView(playerMediaTitleLabel, songLink);
+        bindAssetLinkView(playerArtistNameLabel, artistLink != null ? artistLink : songLink);
+        bindAssetLinkView(playerMediaCoverViewPager, songLink);
+        syncAssetLinkGroupVisibility();
+    }
+
+    private AssetLinkUtil.AssetLink bindAssetLinkChip(Chip chip, String type, String id) {
+        if (chip == null) return null;
+        if (TextUtils.isEmpty(id)) {
+            clearAssetLinkChip(chip);
+            return null;
+        }
+
+        String label = getString(AssetLinkUtil.getLabelRes(type));
+        AssetLinkUtil.AssetLink assetLink = AssetLinkUtil.buildAssetLink(type, id);
+        if (assetLink == null) {
+            clearAssetLinkChip(chip);
+            return null;
+        }
+
+        chip.setText(getString(R.string.asset_link_chip_text, label, assetLink.id));
+        chip.setVisibility(View.VISIBLE);
+
+        chip.setOnClickListener(v -> {
+            if (assetLink != null) {
+                activity.openAssetLink(assetLink);
+            }
+        });
+
+        chip.setOnLongClickListener(v -> {
+            if (assetLink != null) {
+                AssetLinkUtil.copyToClipboard(requireContext(), assetLink);
+                Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, id), Toast.LENGTH_SHORT).show();
+            }
+            return true;
+        });
+
+        return assetLink;
+    }
+
+    private void clearAssetLinkChip(Chip chip) {
+        if (chip == null) return;
+        chip.setVisibility(View.GONE);
+        chip.setText("");
+        chip.setOnClickListener(null);
+        chip.setOnLongClickListener(null);
+    }
+
+    private void bindAssetLinkView(View view, AssetLinkUtil.AssetLink assetLink) {
+        if (view == null) return;
+        if (assetLink == null) {
+            AssetLinkUtil.clearLinkAppearance(view);
+            view.setOnClickListener(null);
+            view.setOnLongClickListener(null);
+            view.setClickable(false);
+            view.setLongClickable(false);
+            return;
+        }
+
+        view.setClickable(true);
+        view.setLongClickable(true);
+        AssetLinkUtil.applyLinkAppearance(view);
+        view.setOnClickListener(v -> {
+            boolean collapse = !AssetLinkUtil.TYPE_SONG.equals(assetLink.type);
+            activity.openAssetLink(assetLink, collapse);
+        });
+        view.setOnLongClickListener(v -> {
+            AssetLinkUtil.copyToClipboard(requireContext(), assetLink);
+            Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, assetLink.id), Toast.LENGTH_SHORT).show();
+            return true;
+        });
+    }
+
+    private void syncAssetLinkGroupVisibility() {
+        if (assetLinkChipGroup == null) return;
+        boolean hasVisible = false;
+        for (int i = 0; i < assetLinkChipGroup.getChildCount(); i++) {
+            View child = assetLinkChipGroup.getChildAt(i);
+            if (child.getVisibility() == View.VISIBLE) {
+                hasVisible = true;
+                break;
+            }
+        }
+        assetLinkChipGroup.setVisibility(hasVisible ? View.VISIBLE : View.GONE);
+    }
+
     private void setMediaControllerUI(MediaBrowser mediaBrowser) {
         initPlaybackSpeedButton(mediaBrowser);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/SongBottomSheetDialog.java

@@ -30,6 +30,7 @@ import com.cappielloantonio.tempo.subsonic.models.Child;
 import com.cappielloantonio.tempo.ui.activity.MainActivity;
 import com.cappielloantonio.tempo.ui.dialog.PlaylistChooserDialog;
 import com.cappielloantonio.tempo.ui.dialog.RatingDialog;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.Constants;
 import com.cappielloantonio.tempo.util.DownloadUtil;
 import com.cappielloantonio.tempo.util.ExternalAudioReader;
@@ -39,6 +40,8 @@ import com.cappielloantonio.tempo.util.Preferences;
 import com.cappielloantonio.tempo.viewmodel.HomeViewModel;
 import com.cappielloantonio.tempo.viewmodel.SongBottomSheetViewModel;
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
+import com.google.android.material.chip.Chip;
+import com.google.android.material.chip.ChipGroup;
 import com.google.common.util.concurrent.ListenableFuture;
 
 import android.content.Intent;
@@ -56,6 +59,13 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
 
     private TextView downloadButton;
     private TextView removeButton;
+    private ChipGroup assetLinkChipGroup;
+    private Chip songLinkChip;
+    private Chip albumLinkChip;
+    private Chip artistLinkChip;
+    private AssetLinkUtil.AssetLink currentSongLink;
+    private AssetLinkUtil.AssetLink currentAlbumLink;
+    private AssetLinkUtil.AssetLink currentArtistLink;
 
     private ListenableFuture<MediaBrowser> mediaBrowserListenableFuture;
 
@@ -109,6 +119,11 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
         TextView artistSong = view.findViewById(R.id.song_artist_text_view);
         artistSong.setText(songBottomSheetViewModel.getSong().getArtist());
 
+        initAssetLinkChips(view);
+        bindAssetLinkView(coverSong, currentSongLink);
+        bindAssetLinkView(titleSong, currentSongLink);
+        bindAssetLinkView(artistSong, currentArtistLink != null ? currentArtistLink : currentSongLink);
+
         ToggleButton favoriteToggle = view.findViewById(R.id.button_favorite);
         favoriteToggle.setChecked(songBottomSheetViewModel.getSong().getStarred() != null);
         favoriteToggle.setOnClickListener(v -> {
@@ -282,6 +297,95 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
         }
     }
 
+    private void initAssetLinkChips(View root) {
+        assetLinkChipGroup = root.findViewById(R.id.asset_link_chip_group);
+        songLinkChip = root.findViewById(R.id.asset_link_song_chip);
+        albumLinkChip = root.findViewById(R.id.asset_link_album_chip);
+        artistLinkChip = root.findViewById(R.id.asset_link_artist_chip);
+
+        currentSongLink = bindAssetLinkChip(songLinkChip, AssetLinkUtil.TYPE_SONG, song.getId());
+        currentAlbumLink = bindAssetLinkChip(albumLinkChip, AssetLinkUtil.TYPE_ALBUM, song.getAlbumId());
+        currentArtistLink = bindAssetLinkChip(artistLinkChip, AssetLinkUtil.TYPE_ARTIST, song.getArtistId());
+        syncAssetLinkGroupVisibility();
+    }
+
+    private AssetLinkUtil.AssetLink bindAssetLinkChip(@Nullable Chip chip, String type, @Nullable String id) {
+        if (chip == null) return null;
+        if (id == null || id.isEmpty()) {
+            clearAssetLinkChip(chip);
+            return null;
+        }
+
+        String label = getString(AssetLinkUtil.getLabelRes(type));
+        AssetLinkUtil.AssetLink assetLink = AssetLinkUtil.buildAssetLink(type, id);
+        if (assetLink == null) {
+            clearAssetLinkChip(chip);
+            return null;
+        }
+
+        chip.setText(getString(R.string.asset_link_chip_text, label, assetLink.id));
+        chip.setVisibility(View.VISIBLE);
+
+        chip.setOnClickListener(v -> {
+            if (assetLink != null) {
+                ((MainActivity) requireActivity()).openAssetLink(assetLink);
+            }
+        });
+
+        chip.setOnLongClickListener(v -> {
+            if (assetLink != null) {
+                AssetLinkUtil.copyToClipboard(requireContext(), assetLink);
+                Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, id), Toast.LENGTH_SHORT).show();
+            }
+            return true;
+        });
+
+        return assetLink;
+    }
+
+    private void clearAssetLinkChip(@Nullable Chip chip) {
+        if (chip == null) return;
+        chip.setVisibility(View.GONE);
+        chip.setText("");
+        chip.setOnClickListener(null);
+        chip.setOnLongClickListener(null);
+    }
+
+    private void syncAssetLinkGroupVisibility() {
+        if (assetLinkChipGroup == null) return;
+        boolean hasVisible = false;
+        for (int i = 0; i < assetLinkChipGroup.getChildCount(); i++) {
+            View child = assetLinkChipGroup.getChildAt(i);
+            if (child.getVisibility() == View.VISIBLE) {
+                hasVisible = true;
+                break;
+            }
+        }
+        assetLinkChipGroup.setVisibility(hasVisible ? View.VISIBLE : View.GONE);
+    }
+
+    private void bindAssetLinkView(@Nullable View view, @Nullable AssetLinkUtil.AssetLink assetLink) {
+        if (view == null) return;
+        if (assetLink == null) {
+            AssetLinkUtil.clearLinkAppearance(view);
+            view.setOnClickListener(null);
+            view.setOnLongClickListener(null);
+            view.setClickable(false);
+            view.setLongClickable(false);
+            return;
+        }
+
+        view.setClickable(true);
+        view.setLongClickable(true);
+        AssetLinkUtil.applyLinkAppearance(view);
+        view.setOnClickListener(v -> ((MainActivity) requireActivity()).openAssetLink(assetLink, !AssetLinkUtil.TYPE_SONG.equals(assetLink.type)));
+        view.setOnLongClickListener(v -> {
+            AssetLinkUtil.copyToClipboard(requireContext(), assetLink);
+            Toast.makeText(requireContext(), getString(R.string.asset_link_copied_toast, assetLink.id), Toast.LENGTH_SHORT).show();
+            return true;
+        });
+    }
+
     private void initializeMediaBrowser() {
         mediaBrowserListenableFuture = new MediaBrowser.Builder(requireContext(), new SessionToken(requireContext(), new ComponentName(requireContext(), MediaService.class))).buildAsync();
     }

app/src/main/java/com/cappielloantonio/tempo/util/AssetLinkNavigator.java

@@ -0,0 +1,188 @@
+package com.cappielloantonio.tempo.util;
+
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavController;
+import androidx.navigation.NavOptions;
+
+import com.cappielloantonio.tempo.BuildConfig;
+import com.cappielloantonio.tempo.R;
+import com.cappielloantonio.tempo.repository.AlbumRepository;
+import com.cappielloantonio.tempo.repository.ArtistRepository;
+import com.cappielloantonio.tempo.repository.PlaylistRepository;
+import com.cappielloantonio.tempo.repository.SongRepository;
+import com.cappielloantonio.tempo.subsonic.models.AlbumID3;
+import com.cappielloantonio.tempo.subsonic.models.ArtistID3;
+import com.cappielloantonio.tempo.subsonic.models.Child;
+import com.cappielloantonio.tempo.subsonic.models.Playlist;
+import com.cappielloantonio.tempo.subsonic.models.Genre;
+import com.cappielloantonio.tempo.ui.activity.MainActivity;
+import com.cappielloantonio.tempo.ui.fragment.bottomsheetdialog.SongBottomSheetDialog;
+import com.cappielloantonio.tempo.viewmodel.SongBottomSheetViewModel;
+
+public final class AssetLinkNavigator {
+    private final MainActivity activity;
+    private final SongRepository songRepository = new SongRepository();
+    private final AlbumRepository albumRepository = new AlbumRepository();
+    private final ArtistRepository artistRepository = new ArtistRepository();
+    private final PlaylistRepository playlistRepository = new PlaylistRepository();
+
+    public AssetLinkNavigator(@NonNull MainActivity activity) {
+        this.activity = activity;
+    }
+
+    public void open(@Nullable AssetLinkUtil.AssetLink assetLink) {
+        if (assetLink == null) {
+            return;
+        }
+        switch (assetLink.type) {
+            case AssetLinkUtil.TYPE_SONG:
+                openSong(assetLink.id);
+                break;
+            case AssetLinkUtil.TYPE_ALBUM:
+                openAlbum(assetLink.id);
+                break;
+            case AssetLinkUtil.TYPE_ARTIST:
+                openArtist(assetLink.id);
+                break;
+            case AssetLinkUtil.TYPE_PLAYLIST:
+                openPlaylist(assetLink.id);
+                break;
+            case AssetLinkUtil.TYPE_GENRE:
+                openGenre(assetLink.id);
+                break;
+            case AssetLinkUtil.TYPE_YEAR:
+                openYear(assetLink.id);
+                break;
+            default:
+                Toast.makeText(activity, R.string.asset_link_error_unsupported, Toast.LENGTH_SHORT).show();
+                break;
+        }
+    }
+
+    private void openSong(@NonNull String id) {
+        MutableLiveData<Child> liveData = songRepository.getSong(id);
+        Observer<Child> observer = new Observer<Child>() {
+            @Override
+            public void onChanged(Child child) {
+                liveData.removeObserver(this);
+                if (child == null) {
+                    Toast.makeText(activity, R.string.asset_link_error_song, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                SongBottomSheetViewModel viewModel = new ViewModelProvider(activity).get(SongBottomSheetViewModel.class);
+                viewModel.setSong(child);
+                SongBottomSheetDialog dialog = new SongBottomSheetDialog();
+                Bundle args = new Bundle();
+                args.putParcelable(Constants.TRACK_OBJECT, child);
+                dialog.setArguments(args);
+                dialog.show(activity.getSupportFragmentManager(), null);
+            }
+        };
+        liveData.observe(activity, observer);
+    }
+
+    private void openAlbum(@NonNull String id) {
+        MutableLiveData<AlbumID3> liveData = albumRepository.getAlbum(id);
+        Observer<AlbumID3> observer = new Observer<AlbumID3>() {
+            @Override
+            public void onChanged(AlbumID3 album) {
+                liveData.removeObserver(this);
+                if (album == null) {
+                    Toast.makeText(activity, R.string.asset_link_error_album, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                Bundle args = new Bundle();
+                args.putParcelable(Constants.ALBUM_OBJECT, album);
+                navigateSafely(R.id.albumPageFragment, args);
+            }
+        };
+        liveData.observe(activity, observer);
+    }
+
+    private void openArtist(@NonNull String id) {
+        MutableLiveData<ArtistID3> liveData = artistRepository.getArtist(id);
+        Observer<ArtistID3> observer = new Observer<ArtistID3>() {
+            @Override
+            public void onChanged(ArtistID3 artist) {
+                liveData.removeObserver(this);
+                if (artist == null) {
+                    Toast.makeText(activity, R.string.asset_link_error_artist, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                Bundle args = new Bundle();
+                args.putParcelable(Constants.ARTIST_OBJECT, artist);
+                navigateSafely(R.id.artistPageFragment, args);
+            }
+        };
+        liveData.observe(activity, observer);
+    }
+
+    private void openPlaylist(@NonNull String id) {
+        MutableLiveData<Playlist> liveData = playlistRepository.getPlaylist(id);
+        Observer<Playlist> observer = new Observer<Playlist>() {
+            @Override
+            public void onChanged(Playlist playlist) {
+                liveData.removeObserver(this);
+                if (playlist == null) {
+                    Toast.makeText(activity, R.string.asset_link_error_playlist, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                Bundle args = new Bundle();
+                args.putParcelable(Constants.PLAYLIST_OBJECT, playlist);
+                navigateSafely(R.id.playlistPageFragment, args);
+            }
+        };
+        liveData.observe(activity, observer);
+    }
+
+    private void openGenre(@NonNull String genreName) {
+        String trimmed = genreName.trim();
+        if (trimmed.isEmpty()) {
+            Toast.makeText(activity, R.string.asset_link_error_unsupported, Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        Genre genre = new Genre();
+        genre.setGenre(trimmed);
+        genre.setSongCount(0);
+        genre.setAlbumCount(0);
+        Bundle args = new Bundle();
+        args.putParcelable(Constants.GENRE_OBJECT, genre);
+        args.putString(Constants.MEDIA_BY_GENRE, Constants.MEDIA_BY_GENRE);
+        navigateSafely(R.id.songListPageFragment, args);
+    }
+
+    private void openYear(@NonNull String yearValue) {
+        try {
+            int year = Integer.parseInt(yearValue.trim());
+            Bundle args = new Bundle();
+            args.putInt("year_object", year);
+            args.putString(Constants.MEDIA_BY_YEAR, Constants.MEDIA_BY_YEAR);
+            navigateSafely(R.id.songListPageFragment, args);
+        } catch (NumberFormatException ex) {
+            Toast.makeText(activity, R.string.asset_link_error_unsupported, Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void navigateSafely(int destinationId, @Nullable Bundle args) {
+        activity.runOnUiThread(() -> {
+            NavController navController = activity.navController;
+            if (navController == null) {
+                return;
+            }
+            if (navController.getCurrentDestination() != null
+                    && navController.getCurrentDestination().getId() == destinationId) {
+                navController.navigate(destinationId, args, new NavOptions.Builder().setLaunchSingleTop(true).build());
+            } else {
+                navController.navigate(destinationId, args);
+            }
+        });
+    }
+}

app/src/main/java/com/cappielloantonio/tempo/util/AssetLinkUtil.java

@@ -0,0 +1,188 @@
+package com.cappielloantonio.tempo.util;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.core.content.ContextCompat;
+
+import com.cappielloantonio.tempo.R;
+
+import java.util.Objects;
+
+import com.google.android.material.color.MaterialColors;
+
+public final class AssetLinkUtil {
+    public static final String SCHEME = "tempo";
+    public static final String HOST_ASSET = "asset";
+
+    public static final String TYPE_SONG = "song";
+    public static final String TYPE_ALBUM = "album";
+    public static final String TYPE_ARTIST = "artist";
+    public static final String TYPE_PLAYLIST = "playlist";
+    public static final String TYPE_GENRE = "genre";
+    public static final String TYPE_YEAR = "year";
+
+    private AssetLinkUtil() {
+    }
+
+    @Nullable
+    public static AssetLink parse(@Nullable Intent intent) {
+        if (intent == null) return null;
+        return parse(intent.getData());
+    }
+
+    @Nullable
+    public static AssetLink parse(@Nullable Uri uri) {
+        if (uri == null) {
+            return null;
+        }
+
+        if (!SCHEME.equalsIgnoreCase(uri.getScheme())) {
+            return null;
+        }
+
+        String host = uri.getHost();
+        if (!HOST_ASSET.equalsIgnoreCase(host)) {
+            return null;
+        }
+
+        if (uri.getPathSegments().size() < 2) {
+            return null;
+        }
+
+        String type = uri.getPathSegments().get(0);
+        String id = uri.getPathSegments().get(1);
+        if (TextUtils.isEmpty(type) || TextUtils.isEmpty(id)) {
+            return null;
+        }
+
+        if (!isSupportedType(type)) {
+            return null;
+        }
+
+        return new AssetLink(type, id, uri);
+    }
+
+    public static boolean isSupportedType(@Nullable String type) {
+        if (type == null) return false;
+        switch (type) {
+            case TYPE_SONG:
+            case TYPE_ALBUM:
+            case TYPE_ARTIST:
+            case TYPE_PLAYLIST:
+            case TYPE_GENRE:
+            case TYPE_YEAR:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    @NonNull
+    public static Uri buildUri(@NonNull String type, @NonNull String id) {
+        return new Uri.Builder()
+                .scheme(SCHEME)
+                .authority(HOST_ASSET)
+                .appendPath(type)
+                .appendPath(id)
+                .build();
+    }
+
+    @Nullable
+    public static String buildLink(@Nullable String type, @Nullable String id) {
+        if (TextUtils.isEmpty(type) || TextUtils.isEmpty(id) || !isSupportedType(type)) {
+            return null;
+        }
+        return buildUri(Objects.requireNonNull(type), Objects.requireNonNull(id)).toString();
+    }
+
+    @Nullable
+    public static AssetLink buildAssetLink(@Nullable String type, @Nullable String id) {
+        String link = buildLink(type, id);
+        return parseLinkString(link);
+    }
+
+    @Nullable
+    public static AssetLink parseLinkString(@Nullable String link) {
+        if (TextUtils.isEmpty(link)) {
+            return null;
+        }
+        return parse(Uri.parse(link));
+    }
+
+    public static void copyToClipboard(@NonNull Context context, @NonNull AssetLink assetLink) {
+        ClipboardManager clipboardManager = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        if (clipboardManager == null) {
+            return;
+        }
+        ClipData clipData = ClipData.newPlainText(context.getString(R.string.asset_link_clipboard_label), assetLink.uri.toString());
+        clipboardManager.setPrimaryClip(clipData);
+    }
+
+    @StringRes
+    public static int getLabelRes(@NonNull String type) {
+        switch (type) {
+            case TYPE_SONG:
+                return R.string.asset_link_label_song;
+            case TYPE_ALBUM:
+                return R.string.asset_link_label_album;
+            case TYPE_ARTIST:
+                return R.string.asset_link_label_artist;
+            case TYPE_PLAYLIST:
+                return R.string.asset_link_label_playlist;
+            case TYPE_GENRE:
+                return R.string.asset_link_label_genre;
+            case TYPE_YEAR:
+                return R.string.asset_link_label_year;
+            default:
+                return R.string.asset_link_label_unknown;
+        }
+    }
+
+    public static void applyLinkAppearance(@NonNull View view) {
+        if (view instanceof TextView) {
+            TextView textView = (TextView) view;
+            if (textView.getTag(R.id.tag_link_original_color) == null) {
+                textView.setTag(R.id.tag_link_original_color, textView.getCurrentTextColor());
+            }
+            int accent = MaterialColors.getColor(view, com.google.android.material.R.attr.colorPrimary,
+                    ContextCompat.getColor(view.getContext(), android.R.color.holo_blue_light));
+            textView.setTextColor(accent);
+        }
+    }
+
+    public static void clearLinkAppearance(@NonNull View view) {
+        if (view instanceof TextView) {
+            TextView textView = (TextView) view;
+            Object original = textView.getTag(R.id.tag_link_original_color);
+            if (original instanceof Integer) {
+                textView.setTextColor((Integer) original);
+            } else {
+                int defaultColor = MaterialColors.getColor(view, com.google.android.material.R.attr.colorOnSurface,
+                        ContextCompat.getColor(view.getContext(), android.R.color.primary_text_light));
+                textView.setTextColor(defaultColor);
+            }
+        }
+    }
+
+    public static final class AssetLink {
+        public final String type;
+        public final String id;
+        public final Uri uri;
+
+        AssetLink(@NonNull String type, @NonNull String id, @NonNull Uri uri) {
+            this.type = type;
+            this.id = id;
+            this.uri = uri;
+        }
+    }
+}

app/src/main/java/com/cappielloantonio/tempo/util/ExternalAudioWriter.java

@@ -17,6 +17,9 @@ import com.cappielloantonio.tempo.repository.DownloadRepository;
 import com.cappielloantonio.tempo.subsonic.models.Child;
 import com.cappielloantonio.tempo.ui.activity.MainActivity;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.HttpURLConnection;
@@ -102,35 +105,76 @@ public class ExternalAudioWriter {
             ExternalDownloadMetadataStore.remove(metadataKey);
             return;
         }
-        String scheme = mediaUri.getScheme();
+
-        if (scheme == null || (!scheme.equalsIgnoreCase("http") && !scheme.equalsIgnoreCase("https"))) {
+        String scheme = mediaUri.getScheme() != null ? mediaUri.getScheme().toLowerCase(Locale.ROOT) : "";
-            notifyFailure(context, "Unsupported media URI.");
-            ExternalDownloadMetadataStore.remove(metadataKey);
-            return;
-        }
 
         HttpURLConnection connection = null;
+        DocumentFile sourceDocument = null;
+        File sourceFile = null;
+        long remoteLength = -1;
+        String mimeType = null;
         DocumentFile targetFile = null;
-        try {
-            connection = (HttpURLConnection) new URL(mediaUri.toString()).openConnection();
-            connection.setConnectTimeout(CONNECT_TIMEOUT_MS);
-            connection.setReadTimeout(READ_TIMEOUT_MS);
-            connection.setRequestProperty("Accept-Encoding", "identity");
-            connection.connect();
 
-            int responseCode = connection.getResponseCode();
+        try {
-            if (responseCode >= HttpURLConnection.HTTP_BAD_REQUEST) {
+            if (scheme.equals("http") || scheme.equals("https")) {
-                notifyFailure(context, "Server returned " + responseCode);
+                connection = (HttpURLConnection) new URL(mediaUri.toString()).openConnection();
+                connection.setConnectTimeout(CONNECT_TIMEOUT_MS);
+                connection.setReadTimeout(READ_TIMEOUT_MS);
+                connection.setRequestProperty("Accept-Encoding", "identity");
+                connection.connect();
+
+                int responseCode = connection.getResponseCode();
+                if (responseCode >= HttpURLConnection.HTTP_BAD_REQUEST) {
+                    notifyFailure(context, "Server returned " + responseCode);
+                    ExternalDownloadMetadataStore.remove(metadataKey);
+                    return;
+                }
+
+                mimeType = connection.getContentType();
+                remoteLength = connection.getContentLengthLong();
+            } else if (scheme.equals("content")) {
+                sourceDocument = DocumentFile.fromSingleUri(context, mediaUri);
+                mimeType = context.getContentResolver().getType(mediaUri);
+                if (sourceDocument != null) {
+                    remoteLength = sourceDocument.length();
+                }
+            } else if (scheme.equals("file")) {
+                String path = mediaUri.getPath();
+                if (path != null) {
+                    sourceFile = new File(path);
+                    if (sourceFile.exists()) {
+                        remoteLength = sourceFile.length();
+                    }
+                }
+                String ext = MimeTypeMap.getFileExtensionFromUrl(mediaUri.toString());
+                if (ext != null && !ext.isEmpty()) {
+                    mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(ext);
+                }
+            } else {
+                notifyFailure(context, "Unsupported media URI.");
                 ExternalDownloadMetadataStore.remove(metadataKey);
                 return;
             }
 
-            String mimeType = connection.getContentType();
             if (mimeType == null || mimeType.isEmpty()) {
                 mimeType = "application/octet-stream";
             }
 
             String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mimeType);
+            if ((extension == null || extension.isEmpty()) && sourceDocument != null && sourceDocument.getName() != null) {
+                String name = sourceDocument.getName();
+                int dot = name.lastIndexOf('.');
+                if (dot >= 0 && dot < name.length() - 1) {
+                    extension = name.substring(dot + 1);
+                }
+            }
+            if ((extension == null || extension.isEmpty()) && sourceFile != null) {
+                String name = sourceFile.getName();
+                int dot = name.lastIndexOf('.');
+                if (dot >= 0 && dot < name.length() - 1) {
+                    extension = name.substring(dot + 1);
+                }
+            }
             if (extension == null || extension.isEmpty()) {
                 String suffix = child.getSuffix();
                 if (suffix != null && !suffix.isEmpty()) {
@@ -146,7 +190,6 @@ public class ExternalAudioWriter {
             String fileName = sanitized + "." + extension;
 
             DocumentFile existingFile = findFile(directory, fileName);
-            long remoteLength = connection.getContentLengthLong();
             Long recordedSize = ExternalDownloadMetadataStore.getSize(metadataKey);
             if (existingFile != null && existingFile.exists()) {
                 long localLength = existingFile.length();
@@ -175,7 +218,7 @@ public class ExternalAudioWriter {
             }
 
             Uri targetUri = targetFile.getUri();
-            try (InputStream in = connection.getInputStream();
+            try (InputStream in = openInputStream(context, mediaUri, scheme, connection, sourceFile);
                  OutputStream out = context.getContentResolver().openOutputStream(targetUri)) {
                 if (out == null) {
                     notifyFailure(context, "Cannot open output stream.");
@@ -319,4 +362,32 @@ public class ExternalAudioWriter {
                 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE
         );
     }
+
+    private static InputStream openInputStream(Context context,
+                                               Uri mediaUri,
+                                               String scheme,
+                                               HttpURLConnection connection,
+                                               File sourceFile) throws IOException {
+        switch (scheme) {
+            case "http":
+            case "https":
+                if (connection == null) {
+                    throw new IOException("Connection not initialized");
+                }
+                return connection.getInputStream();
+            case "content":
+                InputStream contentStream = context.getContentResolver().openInputStream(mediaUri);
+                if (contentStream == null) {
+                    throw new IOException("Cannot open content stream");
+                }
+                return contentStream;
+            case "file":
+                if (sourceFile == null || !sourceFile.exists()) {
+                    throw new IOException("Missing source file");
+                }
+                return new FileInputStream(sourceFile);
+            default:
+                throw new IOException("Unsupported scheme " + scheme);
+        }
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java

@@ -74,6 +74,12 @@ public class MappingUtil {
         bundle.putInt("originalWidth", media.getOriginalWidth() != null ? media.getOriginalWidth() : 0);
         bundle.putInt("originalHeight", media.getOriginalHeight() != null ? media.getOriginalHeight() : 0);
         bundle.putString("uri", uri.toString());
+        bundle.putString("assetLinkSong", AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_SONG, media.getId()));
+        bundle.putString("assetLinkAlbum", AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ALBUM, media.getAlbumId()));
+        bundle.putString("assetLinkArtist", AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ARTIST, media.getArtistId()));
+        bundle.putString("assetLinkGenre", AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_GENRE, media.getGenre()));
+        Integer year = media.getYear();
+        bundle.putString("assetLinkYear", year != null && year != 0 ? AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_YEAR, String.valueOf(year)) : null);
 
         return new MediaItem.Builder()
                 .setMediaId(media.getId())

app/src/main/java/com/cappielloantonio/tempo/widget/WidgetProvider.java

@@ -5,17 +5,20 @@ import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProvider;
 import android.content.Context;
 import android.content.Intent;
+import android.net.Uri;
+import android.text.TextUtils;
 import android.widget.RemoteViews;
 
 import com.cappielloantonio.tempo.R;
 
 import android.app.TaskStackBuilder;
-import android.app.PendingIntent;
 
 import com.cappielloantonio.tempo.ui.activity.MainActivity;
 
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 public class WidgetProvider extends AppWidgetProvider {
     private static final String TAG = "TempoWidget";
     public static final String ACT_PLAY_PAUSE = "tempo.widget.PLAY_PAUSE";
@@ -28,7 +31,7 @@ public class WidgetProvider extends AppWidgetProvider {
     public void onUpdate(Context ctx, AppWidgetManager mgr, int[] ids) {
         for (int id : ids) {
             RemoteViews rv = WidgetUpdateManager.chooseBuild(ctx, id);
-            attachIntents(ctx, rv, id);
+            attachIntents(ctx, rv, id, null, null, null);
             mgr.updateAppWidget(id, rv);
         }
     }
@@ -50,16 +53,23 @@ public class WidgetProvider extends AppWidgetProvider {
     public void onAppWidgetOptionsChanged(Context context, AppWidgetManager appWidgetManager, int appWidgetId, android.os.Bundle newOptions) {
         super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions);
         RemoteViews rv = WidgetUpdateManager.chooseBuild(context, appWidgetId);
-        attachIntents(context, rv, appWidgetId);
+        attachIntents(context, rv, appWidgetId, null, null, null);
         appWidgetManager.updateAppWidget(appWidgetId, rv);
         WidgetUpdateManager.refreshFromController(context);
     }
 
     public static void attachIntents(Context ctx, RemoteViews rv) {
-        attachIntents(ctx, rv, 0);
+        attachIntents(ctx, rv, 0, null, null, null);
     }
 
     public static void attachIntents(Context ctx, RemoteViews rv, int requestCodeBase) {
+        attachIntents(ctx, rv, requestCodeBase, null, null, null);
+    }
+
+    public static void attachIntents(Context ctx, RemoteViews rv, int requestCodeBase,
+                                     String songLink,
+                                     String albumLink,
+                                     String artistLink) {
         PendingIntent playPause = PendingIntent.getBroadcast(
                 ctx,
                 requestCodeBase + 0,
@@ -97,9 +107,31 @@ public class WidgetProvider extends AppWidgetProvider {
         rv.setOnClickPendingIntent(R.id.btn_shuffle, shuffle);
         rv.setOnClickPendingIntent(R.id.btn_repeat, repeat);
 
-        PendingIntent launch = TaskStackBuilder.create(ctx)
+        PendingIntent launch = buildMainActivityPendingIntent(ctx, requestCodeBase + 10, null);
-                .addNextIntentWithParentStack(new Intent(ctx, MainActivity.class))
-                .getPendingIntent(requestCodeBase + 10, PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT);
         rv.setOnClickPendingIntent(R.id.root, launch);
+
+        PendingIntent songPending = buildMainActivityPendingIntent(ctx, requestCodeBase + 20, songLink);
+        PendingIntent artistPending = buildMainActivityPendingIntent(ctx, requestCodeBase + 21, artistLink);
+        PendingIntent albumPending = buildMainActivityPendingIntent(ctx, requestCodeBase + 22, albumLink);
+
+        PendingIntent fallback = launch;
+        rv.setOnClickPendingIntent(R.id.album_art, songPending != null ? songPending : fallback);
+        rv.setOnClickPendingIntent(R.id.title, songPending != null ? songPending : fallback);
+        rv.setOnClickPendingIntent(R.id.subtitle,
+                artistPending != null ? artistPending : (songPending != null ? songPending : fallback));
+        rv.setOnClickPendingIntent(R.id.album, albumPending != null ? albumPending : fallback);
+    }
+
+    private static PendingIntent buildMainActivityPendingIntent(Context ctx, int requestCode, @Nullable String link) {
+        Intent intent;
+        if (!TextUtils.isEmpty(link)) {
+            intent = new Intent(Intent.ACTION_VIEW, Uri.parse(link), ctx, MainActivity.class);
+        } else {
+            intent = new Intent(ctx, MainActivity.class);
+        }
+        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
+        TaskStackBuilder stackBuilder = TaskStackBuilder.create(ctx);
+        stackBuilder.addNextIntentWithParentStack(intent);
+        return stackBuilder.getPendingIntent(requestCode, PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT);
     }
 }

app/src/main/java/com/cappielloantonio/tempo/widget/WidgetUpdateManager.java

@@ -4,8 +4,9 @@ import android.appwidget.AppWidgetManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.graphics.Bitmap;
-import android.text.TextUtils;
 import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.text.TextUtils;
 
 import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.transition.Transition;
@@ -17,6 +18,7 @@ import androidx.media3.session.MediaController;
 import androidx.media3.session.SessionToken;
 
 import com.cappielloantonio.tempo.service.MediaService;
+import com.cappielloantonio.tempo.util.AssetLinkUtil;
 import com.cappielloantonio.tempo.util.MusicUtil;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
@@ -34,7 +36,10 @@ public final class WidgetUpdateManager {
                                        boolean shuffleEnabled,
                                        int repeatMode,
                                        long positionMs,
-                                       long durationMs) {
+                                       long durationMs,
+                                       String songLink,
+                                       String albumLink,
+                                       String artistLink) {
         if (TextUtils.isEmpty(title)) title = ctx.getString(R.string.widget_not_playing);
         if (TextUtils.isEmpty(artist)) artist = ctx.getString(R.string.widget_placeholder_subtitle);
         if (TextUtils.isEmpty(album)) album = "";
@@ -46,7 +51,7 @@ public final class WidgetUpdateManager {
         for (int id : ids) {
             android.widget.RemoteViews rv = choosePopulate(ctx, title, artist, album, art, playing,
                     timing.elapsedText, timing.totalText, timing.progress, shuffleEnabled, repeatMode, id);
-            WidgetProvider.attachIntents(ctx, rv, id);
+            WidgetProvider.attachIntents(ctx, rv, id, songLink, albumLink, artistLink);
             mgr.updateAppWidget(id, rv);
         }
     }
@@ -56,7 +61,7 @@ public final class WidgetUpdateManager {
         int[] ids = mgr.getAppWidgetIds(new ComponentName(ctx, WidgetProvider4x1.class));
         for (int id : ids) {
             android.widget.RemoteViews rv = chooseBuild(ctx, id);
-            WidgetProvider.attachIntents(ctx, rv, id);
+            WidgetProvider.attachIntents(ctx, rv, id, null, null, null);
             mgr.updateAppWidget(id, rv);
         }
     }
@@ -70,7 +75,10 @@ public final class WidgetUpdateManager {
                                        boolean shuffleEnabled,
                                        int repeatMode,
                                        long positionMs,
-                                       long durationMs) {
+                                       long durationMs,
+                                       String songLink,
+                                       String albumLink,
+                                       String artistLink) {
         final Context appCtx = ctx.getApplicationContext();
         final String t = TextUtils.isEmpty(title) ? appCtx.getString(R.string.widget_not_playing) : title;
         final String a = TextUtils.isEmpty(artist) ? appCtx.getString(R.string.widget_placeholder_subtitle) : artist;
@@ -79,6 +87,9 @@ public final class WidgetUpdateManager {
         final boolean sh = shuffleEnabled;
         final int rep = repeatMode;
         final TimingInfo timing = createTimingInfo(positionMs, durationMs);
+        final String songLinkFinal = songLink;
+        final String albumLinkFinal = albumLink;
+        final String artistLinkFinal = artistLink;
 
         if (!TextUtils.isEmpty(coverArtId)) {
             CustomGlideRequest.loadAlbumArtBitmap(
@@ -93,7 +104,7 @@ public final class WidgetUpdateManager {
                             for (int id : ids) {
                                 android.widget.RemoteViews rv = choosePopulate(appCtx, t, a, alb, resource, p,
                                         timing.elapsedText, timing.totalText, timing.progress, sh, rep, id);
-                                WidgetProvider.attachIntents(appCtx, rv, id);
+                                WidgetProvider.attachIntents(appCtx, rv, id, songLinkFinal, albumLinkFinal, artistLinkFinal);
                                 mgr.updateAppWidget(id, rv);
                             }
                         }
@@ -105,7 +116,7 @@ public final class WidgetUpdateManager {
                             for (int id : ids) {
                                 android.widget.RemoteViews rv = choosePopulate(appCtx, t, a, alb, null, p,
                                         timing.elapsedText, timing.totalText, timing.progress, sh, rep, id);
-                                WidgetProvider.attachIntents(appCtx, rv, id);
+                                WidgetProvider.attachIntents(appCtx, rv, id, songLinkFinal, albumLinkFinal, artistLinkFinal);
                                 mgr.updateAppWidget(id, rv);
                             }
                         }
@@ -117,7 +128,7 @@ public final class WidgetUpdateManager {
             for (int id : ids) {
                 android.widget.RemoteViews rv = choosePopulate(appCtx, t, a, alb, null, p,
                         timing.elapsedText, timing.totalText, timing.progress, sh, rep, id);
-                WidgetProvider.attachIntents(appCtx, rv, id);
+                WidgetProvider.attachIntents(appCtx, rv, id, songLinkFinal, albumLinkFinal, artistLinkFinal);
                 mgr.updateAppWidget(id, rv);
             }
         }
@@ -133,6 +144,7 @@ public final class WidgetUpdateManager {
                 MediaController c = future.get();
                 androidx.media3.common.MediaItem mi = c.getCurrentMediaItem();
                 String title = null, artist = null, album = null, coverId = null;
+                String songLink = null, albumLink = null, artistLink = null;
                 if (mi != null && mi.mediaMetadata != null) {
                     if (mi.mediaMetadata.title != null) title = mi.mediaMetadata.title.toString();
                     if (mi.mediaMetadata.artist != null)
@@ -140,10 +152,26 @@ public final class WidgetUpdateManager {
                     if (mi.mediaMetadata.albumTitle != null)
                         album = mi.mediaMetadata.albumTitle.toString();
                     if (mi.mediaMetadata.extras != null) {
+                        Bundle extras = mi.mediaMetadata.extras;
                         if (title == null) title = mi.mediaMetadata.extras.getString("title");
                         if (artist == null) artist = mi.mediaMetadata.extras.getString("artist");
                         if (album == null) album = mi.mediaMetadata.extras.getString("album");
-                        coverId = mi.mediaMetadata.extras.getString("coverArtId");
+                        coverId = extras.getString("coverArtId");
+
+                        songLink = extras.getString("assetLinkSong");
+                        if (songLink == null) {
+                            songLink = AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_SONG, extras.getString("id"));
+                        }
+
+                        albumLink = extras.getString("assetLinkAlbum");
+                        if (albumLink == null) {
+                            albumLink = AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ALBUM, extras.getString("albumId"));
+                        }
+
+                        artistLink = extras.getString("assetLinkArtist");
+                        if (artistLink == null) {
+                            artistLink = AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ARTIST, extras.getString("artistId"));
+                        }
                     }
                 }
                 long position = c.getCurrentPosition();
@@ -159,7 +187,10 @@ public final class WidgetUpdateManager {
                         c.getShuffleModeEnabled(),
                         c.getRepeatMode(),
                         position,
-                        duration);
+                        duration,
+                        songLink,
+                        albumLink,
+                        artistLink);
                 c.release();
             } catch (ExecutionException | InterruptedException ignored) {
             }

app/src/main/res/drawable/ic_link.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:pathData="M3.9,12c0,1.71 1.39,3.1 3.1,3.1h3v1.8h-3c-2.7,0 -4.9,-2.2 -4.9,-4.9s2.2,-4.9 4.9,-4.9h3v1.8h-3c-1.71,0 -3.1,1.39 -3.1,3.1zM7,13h10v-2H7v2zM17,6.9h-3v-1.8h3c2.7,0 4.9,2.2 4.9,4.9s-2.2,4.9 -4.9,4.9h-3v-1.8h3c1.71,0 3.1,-1.39 3.1,-3.1s-1.39,-3.1 -3.1,-3.1z" />
+</vector>

app/src/main/res/layout/bottom_sheet_song_dialog.xml

@@ -68,6 +68,14 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
+    <include
+        android:id="@+id/song_asset_link_row"
+        layout="@layout/view_asset_link_row"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingStart="20dp"
+        android:paddingEnd="12dp" />
+
     <LinearLayout
         android:id="@+id/option_linear_layout"
         android:layout_width="match_parent"

app/src/main/res/layout/inner_fragment_player_controller_layout.xml

@@ -57,6 +57,17 @@
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
+    <include
+        android:id="@+id/player_asset_link_row"
+        layout="@layout/view_asset_link_row"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/player_media_quality_sector" />
+
     <androidx.viewpager2.widget.ViewPager2
         android:id="@+id/player_media_cover_view_pager"
         android:layout_width="0dp"
@@ -66,7 +77,7 @@
         app:layout_constraintBottom_toTopOf="@id/guideline"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/player_media_quality_sector" />
+        app:layout_constraintTop_toBottomOf="@+id/player_asset_link_row" />
 
     <androidx.constraintlayout.widget.Guideline
         android:id="@+id/guideline"

app/src/main/res/layout/view_asset_link_row.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.chip.ChipGroup xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/asset_link_chip_group"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:visibility="gone"
+    android:paddingTop="4dp"
+    android:paddingBottom="4dp"
+    app:singleLine="true"
+    app:selectionRequired="false"
+    app:singleSelection="false">
+
+    <com.google.android.material.chip.Chip
+        android:id="@+id/asset_link_song_chip"
+        style="@style/Widget.Material3.Chip.Assist"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checkable="false"
+        android:clickable="true"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:text=""
+        app:chipIcon="@drawable/ic_link"
+        app:chipIconTint="?attr/colorOnSurfaceVariant"
+        app:rippleColor="@color/ripple_material_light" />
+
+    <com.google.android.material.chip.Chip
+        android:id="@+id/asset_link_album_chip"
+        style="@style/Widget.Material3.Chip.Assist"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checkable="false"
+        android:clickable="true"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:text=""
+        app:chipIcon="@drawable/ic_link"
+        app:chipIconTint="?attr/colorOnSurfaceVariant"
+        app:rippleColor="@color/ripple_material_light" />
+
+    <com.google.android.material.chip.Chip
+        android:id="@+id/asset_link_artist_chip"
+        style="@style/Widget.Material3.Chip.Assist"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checkable="false"
+        android:clickable="true"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:text=""
+        app:chipIcon="@drawable/ic_link"
+        app:chipIconTint="?attr/colorOnSurfaceVariant"
+        app:rippleColor="@color/ripple_material_light" />
+</com.google.android.material.chip.ChipGroup>

app/src/main/res/values/ids.xml

@@ -0,0 +1,3 @@
+<resources>
+    <item name="tag_link_original_color" type="id" />
+</resources>

app/src/main/res/values/strings.xml

@@ -410,6 +410,22 @@
     <string name="share_bottom_sheet_update">Update share</string>
     <string name="share_subtitle_item">Expiration date: %1$s</string>
     <string name="share_unsupported_error">Sharing is not supported or not enabled</string>
+    <string name="asset_link_clipboard_label">Tempo asset link</string>
+    <string name="asset_link_label_song">Song UID</string>
+    <string name="asset_link_label_album">Album UID</string>
+    <string name="asset_link_label_artist">Artist UID</string>
+    <string name="asset_link_label_playlist">Playlist UID</string>
+    <string name="asset_link_label_genre">Genre UID</string>
+    <string name="asset_link_label_year">Year UID</string>
+    <string name="asset_link_label_unknown">Asset UID</string>
+    <string name="asset_link_error_unsupported">Unsupported asset link</string>
+    <string name="asset_link_error_song">Song could not be opened</string>
+    <string name="asset_link_error_album">Album could not be opened</string>
+    <string name="asset_link_error_artist">Artist could not be opened</string>
+    <string name="asset_link_error_playlist">Playlist could not be opened</string>
+    <string name="asset_link_chip_text">%1$s • %2$s</string>
+    <string name="asset_link_copied_toast">Copied %1$s to clipboard</string>
+    <string name="asset_link_debug_toast">Asset link: %1$s</string>
     <string name="share_update_dialog_hint_description">Description</string>
     <string name="share_update_dialog_hint_expiration_date">Expiration date</string>
     <string name="share_update_dialog_negative_button">Cancel</string>

app/src/notquitemy/java/com/cappielloantonio/tempo/service/MediaService.kt

@@ -20,6 +20,7 @@ import androidx.media3.session.*
 import androidx.media3.session.MediaSession.ControllerInfo
 import com.cappielloantonio.tempo.R
 import com.cappielloantonio.tempo.ui.activity.MainActivity
+import com.cappielloantonio.tempo.util.AssetLinkUtil
 import com.cappielloantonio.tempo.util.Constants
 import com.cappielloantonio.tempo.util.DownloadUtil
 import com.cappielloantonio.tempo.util.DynamicMediaSourceFactory
@@ -421,7 +422,14 @@ class MediaService : MediaLibraryService() {
             ?: mi?.mediaMetadata?.extras?.getString("artist")
         val album = mi?.mediaMetadata?.albumTitle?.toString()
             ?: mi?.mediaMetadata?.extras?.getString("album")
-        val coverId = mi?.mediaMetadata?.extras?.getString("coverArtId")
+        val extras = mi?.mediaMetadata?.extras
+        val coverId = extras?.getString("coverArtId")
+        val songLink = extras?.getString("assetLinkSong")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_SONG, extras?.getString("id"))
+        val albumLink = extras?.getString("assetLinkAlbum")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ALBUM, extras?.getString("albumId"))
+        val artistLink = extras?.getString("assetLinkArtist")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ARTIST, extras?.getString("artistId"))
         val position = player.currentPosition.takeIf { it != C.TIME_UNSET } ?: 0L
         val duration = player.duration.takeIf { it != C.TIME_UNSET } ?: 0L
         WidgetUpdateManager.updateFromState(
@@ -434,7 +442,10 @@ class MediaService : MediaLibraryService() {
             player.shuffleModeEnabled,
             player.repeatMode,
             position,
-            duration
+            duration,
+            songLink,
+            albumLink,
+            artistLink
         )
     }
 

app/src/tempo/java/com/cappielloantonio/tempo/service/MediaService.kt

@@ -22,6 +22,7 @@ import androidx.media3.session.MediaLibraryService
 import androidx.media3.session.MediaSession.ControllerInfo
 import com.cappielloantonio.tempo.repository.AutomotiveRepository
 import com.cappielloantonio.tempo.ui.activity.MainActivity
+import com.cappielloantonio.tempo.util.AssetLinkUtil
 import com.cappielloantonio.tempo.util.Constants
 import com.cappielloantonio.tempo.util.DownloadUtil
 import com.cappielloantonio.tempo.util.DynamicMediaSourceFactory
@@ -262,7 +263,14 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
             ?: mi?.mediaMetadata?.extras?.getString("artist")
         val album = mi?.mediaMetadata?.albumTitle?.toString()
             ?: mi?.mediaMetadata?.extras?.getString("album")
-        val coverId = mi?.mediaMetadata?.extras?.getString("coverArtId")
+        val extras = mi?.mediaMetadata?.extras
+        val coverId = extras?.getString("coverArtId")
+        val songLink = extras?.getString("assetLinkSong")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_SONG, extras?.getString("id"))
+        val albumLink = extras?.getString("assetLinkAlbum")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ALBUM, extras?.getString("albumId"))
+        val artistLink = extras?.getString("assetLinkArtist")
+            ?: AssetLinkUtil.buildLink(AssetLinkUtil.TYPE_ARTIST, extras?.getString("artistId"))
         val position = player.currentPosition.takeIf { it != C.TIME_UNSET } ?: 0L
         val duration = player.duration.takeIf { it != C.TIME_UNSET } ?: 0L
         WidgetUpdateManager.updateFromState(
@@ -275,7 +283,10 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
             player.shuffleModeEnabled,
             player.repeatMode,
             position,
-            duration
+            duration,
+            songLink,
+            albumLink,
+            artistLink
         )
     }