TripsOverviewActivity: Switch back to dark mode by default for up to Android 9 devices.

oeffi/AndroidManifest.xml

@@ -486,7 +486,8 @@
         <activity
             android:name=".directions.TripsOverviewActivity"
             android:configChanges="keyboard|keyboardHidden"
-            android:taskAffinity="de.schildbach.oeffi.directions" />
+            android:taskAffinity="de.schildbach.oeffi.directions"
+            android:theme="@style/My.Theme.DarkDefault" />
 
         <activity
             android:name=".directions.TripDetailsActivity"

oeffi/res/values-notnight-v29/colors.xml

@@ -3,11 +3,17 @@
 
     <!-- foreground -->
     <color name="fg_significant_darkdefault">#000000</color>
+    <color name="fg_significant_inverse_darkdefault">#ffffff</color>
     <color name="fg_less_significant_darkdefault">#777777</color>
+    <color name="fg_insignificant_darkdefault">#bbbbbb</color>
     <color name="fg_highlighted_darkdefault">#dd9055</color>
 
     <!-- background -->
     <color name="bg_level0_darkdefault">#f7f7f7</color>
+    <color name="bg_action_bar_directions_darkdefault">#227722</color>
+    <color name="bg_individual_darkdefault">#cccccc</color>
+    <color name="bg_delayed_darkdefault">#cccccc</color>
+    <color name="bg_current_time_darkdefault">#cc9900</color>
     <color name="bg_position_darkdefault">#757575</color>
     <color name="bg_highlighted_darkdefault">#ffaaaa</color>
 

oeffi/res/values-notnight-v29/dimens.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <dimen name="trips_overview_stroke_width_darkdefault">2dp</dimen>
+
+</resources>

oeffi/res/values-notnight-v29/styes.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <style name="My.Theme.DarkDefault" parent="@android:style/Theme.Material.Light.NoActionBar">
+        <item name="android:windowBackground">@color/bg_level0_darkdefault</item>
+        <item name="android:statusBarColor">@color/bg_status_bar</item>
+        <item name="android:navigationBarColor">@color/bg_navigation_bar</item>
+        <item name="android:textViewStyle">@style/My.Widget.TextView.DarkDefault</item>
+        <item name="android:imageButtonStyle">@style/My.Widget.ImageButton</item>
+    </style>
+
+    <style name="My.Widget.TextView.DarkDefault" parent="@android:style/Widget.TextView">
+        <item name="android:textColor">@color/fg_significant_darkdefault</item>
+        <item name="android:textSize">@dimen/font_size_normal</item>
+    </style>
+
+</resources>

oeffi/res/values/colors.xml

@@ -3,11 +3,13 @@
 
     <!-- foreground -->
     <color name="fg_significant">#000000</color>
-    <color name="fg_significant_inverse">#ffffff</color>
     <color name="fg_significant_darkdefault">#ffffff</color>
+    <color name="fg_significant_inverse">#ffffff</color>
+    <color name="fg_significant_inverse_darkdefault">#000000</color>
     <color name="fg_less_significant">#777777</color>
     <color name="fg_less_significant_darkdefault">#aaaaaa</color>
     <color name="fg_insignificant">#bbbbbb</color>
+    <color name="fg_insignificant_darkdefault">#888888</color>
     <color name="fg_highlighted">#dd9055</color>
     <color name="fg_highlighted_darkdefault">#ff9966</color>
     <color name="fg_arrow">#aa0000</color>
@@ -23,11 +25,15 @@
     <color name="bg_action_bar">#555555</color>
     <color name="bg_action_bar_stations">#777700</color>
     <color name="bg_action_bar_directions">#227722</color>
+    <color name="bg_action_bar_directions_darkdefault">#114411</color>
     <color name="bg_action_bar_appendix">#cccccc</color>
     <color name="bg_selected_entry">#ffcfffaf</color>
     <color name="bg_individual">#cccccc</color>
+    <color name="bg_individual_darkdefault">#444444</color>
     <color name="bg_delayed">#cccccc</color>
+    <color name="bg_delayed_darkdefault">#444444</color>
     <color name="bg_current_time">#cc9900</color>
+    <color name="bg_current_time_darkdefault">#ffff00</color>
     <color name="bg_position">#757575</color>
     <color name="bg_position_darkdefault">#bbbbbb</color>
     <color name="bg_highlighted_darkdefault">#ff4444</color>

oeffi/res/values/dimens.xml

@@ -27,6 +27,7 @@
     <dimen name="directions_form_location_min_height">48dp</dimen>
     <dimen name="directions_form_location_divider_padding">32dp</dimen>
     <dimen name="trips_overview_stroke_width">2dp</dimen>
+    <dimen name="trips_overview_stroke_width_darkdefault">1dp</dimen>
     <dimen name="trips_overview_entry_width">72dp</dimen>
 
     <item name="trips_overview_entry_public_box_fraction" type="fraction">80%</item>

oeffi/res/values/styles.xml

@@ -16,6 +16,14 @@
         <item name="android:popupMenuStyle">@style/My.Widget.PopupMenu</item>
     </style>
 
+    <style name="My.Theme.DarkDefault" parent="@android:style/Theme.Material.NoActionBar">
+        <item name="android:windowBackground">@color/bg_level0_darkdefault</item>
+        <item name="android:statusBarColor">@color/bg_status_bar</item>
+        <item name="android:navigationBarColor">@color/bg_navigation_bar</item>
+        <item name="android:textViewStyle">@style/My.Widget.TextView.DarkDefault</item>
+        <item name="android:imageButtonStyle">@style/My.Widget.ImageButton</item>
+    </style>
+
     <style name="My.Theme.Fullscreen" parent="@android:style/Theme.Material.Light.NoActionBar.Fullscreen">
         <item name="android:windowBackground">@android:color/black</item>
         <item name="android:windowLayoutInDisplayCutoutMode" tools:targetApi="27">shortEdges</item>

oeffi/src/de/schildbach/oeffi/directions/TripsGallery.java

@@ -79,11 +79,11 @@ public class TripsGallery extends Gallery {
         paddingHorizontalCram = res.getDimensionPixelSize(R.dimen.text_padding_horizontal_cram);
         currentTimeLabelPaddingHorizontal = res.getDimensionPixelSize(R.dimen.text_padding_horizontal);
         currentTimeLabelPaddingVertical = res.getDimensionPixelSize(R.dimen.text_padding_vertical);
-        final float strokeWidth = res.getDimension(R.dimen.trips_overview_stroke_width);
+        final float strokeWidth = res.getDimension(R.dimen.trips_overview_stroke_width_darkdefault);
-        final int colorSignificant = res.getColor(R.color.fg_significant);
+        final int colorSignificant = res.getColor(R.color.fg_significant_darkdefault);
-        final int colorInsignificant = res.getColor(R.color.fg_insignificant);
+        final int colorInsignificant = res.getColor(R.color.fg_insignificant_darkdefault);
-        final int colorSignificantInverse = res.getColor(R.color.fg_significant_inverse);
+        final int colorSignificantInverse = res.getColor(R.color.fg_significant_inverse_darkdefault);
-        final int colorCurrentTime = res.getColor(R.color.bg_current_time);
+        final int colorCurrentTime = res.getColor(R.color.bg_current_time_darkdefault);
 
         gridPaint.setColor(colorInsignificant);
         gridPaint.setStyle(Paint.Style.STROKE);

oeffi/src/de/schildbach/oeffi/directions/TripsGalleryAdapter.java

@@ -34,6 +34,7 @@ import android.graphics.Shader;
 import android.graphics.Shader.TileMode;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
+import android.os.Build;
 import android.text.format.DateFormat;
 import android.text.format.DateUtils;
 import android.view.View;
@@ -88,14 +89,18 @@ public final class TripsGalleryAdapter extends BaseAdapter {
     public TripsGalleryAdapter(final Context context) {
         this.context = context;
         final Resources res = context.getResources();
-        this.darkMode = (res.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
+            this.darkMode =
+                    (res.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES;
+        else
+            this.darkMode = true;
 
         final float strokeWidth = res.getDimension(R.dimen.trips_overview_entry_box_stroke_width);
-        final int colorSignificant = res.getColor(R.color.fg_significant);
+        final int colorSignificant = res.getColor(R.color.fg_significant_darkdefault);
-        final int colorLessSignificant = res.getColor(R.color.fg_less_significant);
+        final int colorLessSignificant = res.getColor(R.color.fg_less_significant_darkdefault);
-        final int colorIndividual = res.getColor(R.color.bg_individual);
+        final int colorIndividual = res.getColor(R.color.bg_individual_darkdefault);
-        colorSignificantInverse = res.getColor(R.color.fg_significant_inverse);
+        colorSignificantInverse = res.getColor(R.color.fg_significant_inverse_darkdefault);
-        colorDelayed = res.getColor(R.color.bg_delayed);
+        colorDelayed = res.getColor(R.color.bg_delayed_darkdefault);
 
         tripWidth = res.getDimensionPixelSize(R.dimen.trips_overview_entry_width);
 

oeffi/src/de/schildbach/oeffi/directions/TripsOverviewActivity.java

@@ -137,7 +137,7 @@ public class TripsOverviewActivity extends OeffiActivity {
         });
 
         final MyActionBar actionBar = getMyActionBar();
-        setPrimaryColor(R.color.bg_action_bar_directions);
+        setPrimaryColor(R.color.bg_action_bar_directions_darkdefault);
         actionBar.setBack(v -> finish());
         actionBar.setCustomTitles(R.layout.directions_trip_overview_custom_title);
         actionBar.addProgressButton().setOnClickListener(v -> handler.post(checkMoreRunnable));