Shared element transition (from List to Recorded).

src/main/java/de/dennisguse/opentracks/TrackListActivity.java

@@ -17,6 +17,7 @@
 package de.dennisguse.opentracks;
 
 import android.Manifest;
+import android.app.ActivityOptions;
 import android.app.SearchManager;
 import android.content.Context;
 import android.content.Intent;
@@ -29,6 +30,7 @@ import android.location.LocationManager;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.util.Log;
+import android.util.Pair;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -195,17 +197,20 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
 
         viewBinding.trackList.setEmptyView(viewBinding.trackListEmptyView);
         viewBinding.trackList.setOnItemClickListener((parent, view, position, trackId) -> {
-            Intent newIntent;
             if (trackId == recordingTrackId.getId()) {
                 // Is recording -> open record activity.
-                newIntent = IntentUtils.newIntent(TrackListActivity.this, TrackRecordingActivity.class)
+                Intent newIntent = IntentUtils.newIntent(TrackListActivity.this, TrackRecordingActivity.class)
                         .putExtra(TrackRecordedActivity.EXTRA_TRACK_ID, new Track.Id(trackId));
+                startActivity(newIntent);
             } else {
                 // Not recording -> open detail activity.
-                newIntent = IntentUtils.newIntent(TrackListActivity.this, TrackRecordedActivity.class)
+                Intent newIntent = IntentUtils.newIntent(TrackListActivity.this, TrackRecordedActivity.class)
                         .putExtra(TrackRecordedActivity.EXTRA_TRACK_ID, new Track.Id(trackId));
+                ActivityOptions activityOptions = ActivityOptions.makeSceneTransitionAnimation(
+                        this,
+                        new Pair<>(view.findViewById(R.id.list_item_icon), TrackRecordedActivity.VIEW_TRACK_ICON));
+                startActivity(newIntent, activityOptions.toBundle());
             }
-            startActivity(newIntent);
         });
 
         resourceCursorAdapter = new ResourceCursorAdapter(this, R.layout.list_item, null, 0) {

src/main/java/de/dennisguse/opentracks/TrackRecordedActivity.java

@@ -24,6 +24,7 @@ import android.view.MenuItem;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.core.view.ViewCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.viewpager2.adapter.FragmentStateAdapter;
@@ -55,6 +56,8 @@ public class TrackRecordedActivity extends AbstractListActivity implements Confi
 
     private static final String TAG = TrackRecordedActivity.class.getSimpleName();
 
+    public static final String VIEW_TRACK_ICON = "track_icon";
+
     public static final String EXTRA_TRACK_ID = "track_id";
     public static final String EXTRA_MARKER_ID = "marker_id";
 
@@ -84,6 +87,8 @@ public class TrackRecordedActivity extends AbstractListActivity implements Confi
         if (savedInstanceState != null) {
             viewBinding.trackDetailActivityViewPager.setCurrentItem(savedInstanceState.getInt(CURRENT_TAB_TAG_KEY));
         }
+
+        postponeEnterTransition();
     }
 
     @Override
@@ -275,4 +280,9 @@ public class TrackRecordedActivity extends AbstractListActivity implements Confi
             }
         }
     }
+
+    public void startPostponedEnterTransitionWith(View viewIcon, View viewName) {
+        ViewCompat.setTransitionName(viewIcon, TrackRecordedActivity.VIEW_TRACK_ICON);
+        startPostponedEnterTransition();
+    }
 }

src/main/java/de/dennisguse/opentracks/fragments/StatisticsRecordedFragment.java

@@ -34,6 +34,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import de.dennisguse.opentracks.R;
+import de.dennisguse.opentracks.TrackRecordedActivity;
 import de.dennisguse.opentracks.adapters.SensorsAdapter;
 import de.dennisguse.opentracks.content.data.Track;
 import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
@@ -64,7 +65,6 @@ public class StatisticsRecordedFragment extends Fragment {
         return fragment;
     }
 
-
     private TrackStatistics trackStatistics;
     private SensorStatistics sensorStatistics;
     private SensorsAdapter sensorsAdapter;
@@ -164,6 +164,8 @@ public class StatisticsRecordedFragment extends Fragment {
                     loadTrackDescription(track);
                     updateUI();
                     updateSensorUI();
+
+                    ((TrackRecordedActivity) getActivity()).startPostponedEnterTransitionWith(viewBinding.statsActivityTypeIcon, viewBinding.statsNameValue);
                 }
             });
         }