Make alternate row color honor set theme

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java

@@ -18,10 +18,12 @@
 package nodomain.freeyourgadget.gadgetbridge.activities;
 
 import android.annotation.SuppressLint;
+import android.content.Context;
 import android.content.Intent;
-import android.graphics.Color;
+import android.content.res.Resources;
 import android.graphics.Typeface;
 import android.os.Bundle;
+import android.util.TypedValue;
 import android.view.Gravity;
 import android.view.MenuItem;
 import android.view.View;
@@ -63,6 +65,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
     private JSONObject groupData = setGroups();
     private boolean show_raw_data = false;
     BaseActivitySummary currentItem = null;
+    private int alternateColor;
 
     @SuppressLint("ClickableViewAccessibility")
     @Override
@@ -75,6 +78,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
         final int position = intent.getIntExtra("position",0);
         final ActivitySummaryItems items = new ActivitySummaryItems(this, mGBDevice, filter);
         final RelativeLayout layout = findViewById(R.id.activity_summary_detail_relative_layout);
+        alternateColor = getAlternateColor(this);
 
         final Animation animFadeRight;
         final Animation animFadeLeft;
@@ -247,7 +251,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
                         }
                     }
                     TableRow field_row = new TableRow(ActivitySummaryDetail.this);
-                    if (i % 2 == 0) field_row.setBackgroundColor(Color.rgb(237,237,237));
+                    if (i % 2 == 0) field_row.setBackgroundColor(alternateColor);
 
                     TextView name_field = new TextView(ActivitySummaryDetail.this);
                     TextView value_field = new TextView(ActivitySummaryDetail.this);
@@ -344,6 +348,12 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
         }
         return list;
     }
+    public static int getAlternateColor(Context context) {
+        TypedValue typedValue = new TypedValue();
+        Resources.Theme theme = context.getTheme();
+        theme.resolveAttribute(R.attr.alternate_row_background, typedValue, true);
+        return typedValue.data;
+    }
 
     private String getStringResourceByName(String aString) {
         String packageName = getPackageName();

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

@@ -8,4 +8,5 @@
     <attr name="chart_light_sleep" format="color" />
     <attr name="chart_activity" format="color" />
     <attr name="chart_not_worn" format="color" />
+    <attr name="alternate_row_background" format="color" />
 </resources>

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

@@ -32,4 +32,7 @@
     <color name="chart_not_worn_light" type="color">#545254</color>
     <color name="chart_not_worn_dark" type="color">#d8d9d8</color>
 
+    <color name="alternate_row_background_light">#1AFF3D00</color>
+    <color name="alternate_row_background_dark">#1AFF3D00</color>
+
 </resources>

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

@@ -16,6 +16,8 @@
         <item name="chart_light_sleep">@color/chart_light_sleep_light</item>
         <item name="chart_activity">@color/chart_activity_light</item>
         <item name="chart_not_worn">@color/chart_not_worn_light</item>
+
+        <item name="alternate_row_background">@color/alternate_row_background_light</item>
     </style>
 
     <style name="GadgetbridgeTheme.NoActionBar">
@@ -40,6 +42,7 @@
         <item name="chart_light_sleep">@color/chart_light_sleep_dark</item>
         <item name="chart_activity">@color/chart_activity_dark</item>
         <item name="chart_not_worn">@color/chart_not_worn_dark</item>
+        <item name="alternate_row_background">@color/alternate_row_background_dark</item>
     </style>
 
     <style name="ButtonDark" parent="Widget.AppCompat.Button.Colored">
@@ -60,4 +63,5 @@
         <item tools:targetApi="21" name="android:navigationBarColor">@color/primarydark_dark</item>
         <item name="android:windowBackground">@drawable/splash</item>
     </style>
+
 </resources>