Added option to show statistics while recording without unlocking the device.

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

@@ -22,6 +22,7 @@ import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.provider.MediaStore;
 import android.util.Pair;
@@ -29,6 +30,7 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.view.WindowManager;
 import android.widget.ShareActionProvider;
 import android.widget.TabHost;
 import android.widget.TabHost.TabSpec;
@@ -94,6 +96,8 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
     // Preferences
     private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
     private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+    private boolean showOnLockScreen = PreferencesUtils.SHOW_TRACKDETAIL_WHILE_RECORDING_ON_LOCKSCREEN;
+
     private final Runnable bindChangedCallback = new Runnable() {
         @Override
         public void run() {
@@ -132,6 +136,11 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
                 recordingTrackPaused = PreferencesUtils.getBoolean(TrackDetailActivity.this, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
             }
 
+            if (key == null || key.equals(PreferencesUtils.getKey(TrackDetailActivity.this, R.string.trackdetail_show_on_lockscreen_while_recording))) {
+                showOnLockScreen = PreferencesUtils.getBoolean(TrackDetailActivity.this, R.string.trackdetail_show_on_lockscreen_while_recording, PreferencesUtils.SHOW_TRACKDETAIL_WHILE_RECORDING_ON_LOCKSCREEN);
+                setLockscreenPolicy();
+            }
+
             if (key == null) return;
 
             runOnUiThread(new Runnable() {
@@ -214,6 +223,22 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         trackController = new TrackController(this, trackRecordingServiceConnection, false, recordListener, stopListener);
     }
 
+    @Override
+    public void onAttachedToWindow() {
+        setLockscreenPolicy();
+        super.onAttachedToWindow();
+    }
+
+    private void setLockscreenPolicy() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
+            setShowWhenLocked(showOnLockScreen);
+        } else {
+            if (showOnLockScreen)
+                getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+            else getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+        }
+    }
+
     @Override
     protected void onStart() {
         super.onStart();

src/main/java/de/dennisguse/opentracks/util/PreferencesUtils.java

@@ -83,6 +83,8 @@ public class PreferencesUtils {
 
     public static final String TRACK_NAME_DEFAULT = "DATE_ISO_8601";
 
+    public static final boolean SHOW_TRACKDETAIL_WHILE_RECORDING_ON_LOCKSCREEN = false;
+
     // Track widget
     public static final int TRACK_WIDGET_ITEM1_DEFAULT = 3; // moving time
     public static final int TRACK_WIDGET_ITEM2_DEFAULT = 0; // distance