theme the screenshot placeholder

app/src/main/java/org/fdroid/fdroid/Utils.java

@@ -483,12 +483,7 @@ public final class Utils {
      */
     public static DisplayImageOptions.Builder getDefaultDisplayImageOptionsBuilder() {
         if (defaultDisplayImageOptionsBuilder == null) {
-            defaultDisplayImageOptionsBuilder = new DisplayImageOptions.Builder()
+            defaultDisplayImageOptionsBuilder = createDefaultDisplayImageOptionsBuilder();
-                    .cacheInMemory(true)
-                    .cacheOnDisk(true)
-                    .considerExifParams(false)
-                    .bitmapConfig(Bitmap.Config.RGB_565)
-                    .imageScaleType(ImageScaleType.EXACTLY);
         }
         return defaultDisplayImageOptionsBuilder;
     }
@@ -500,7 +495,7 @@ public final class Utils {
      */
     public static DisplayImageOptions getRepoAppDisplayImageOptions() {
         if (repoAppDisplayImageOptions == null) {
-            repoAppDisplayImageOptions = getDefaultDisplayImageOptionsBuilder()
+            repoAppDisplayImageOptions = createDefaultDisplayImageOptionsBuilder()
                     .showImageOnLoading(R.drawable.ic_repo_app_default)
                     .showImageForEmptyUri(R.drawable.ic_repo_app_default)
                     .showImageOnFail(R.drawable.ic_repo_app_default)
@@ -510,6 +505,15 @@ public final class Utils {
         return repoAppDisplayImageOptions;
     }
 
+    private static DisplayImageOptions.Builder createDefaultDisplayImageOptionsBuilder() {
+        return new DisplayImageOptions.Builder()
+                .cacheInMemory(true)
+                .cacheOnDisk(true)
+                .considerExifParams(false)
+                .bitmapConfig(Bitmap.Config.RGB_565)
+                .imageScaleType(ImageScaleType.EXACTLY);
+    }
+
     /**
      * If app has an iconUrl we feed that to UIL, otherwise we ask the PackageManager which will
      * return the app's icon directly when the app is installed.

app/src/main/java/org/fdroid/fdroid/views/ScreenShotsActivity.java

@@ -3,6 +3,7 @@ package org.fdroid.fdroid.views;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -22,6 +23,7 @@ import org.fdroid.fdroid.data.AppProvider;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentStatePagerAdapter;
@@ -132,10 +134,14 @@ public class ScreenShotsActivity extends AppCompatActivity {
         public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
                                  @Nullable Bundle savedInstanceState) {
 
+            Drawable screenShotPlaceholder = ContextCompat.getDrawable(
+                    inflater.getContext(),
+                    R.drawable.screenshot_placeholder
+            );
             DisplayImageOptions displayImageOptions = Utils.getDefaultDisplayImageOptionsBuilder()
-                    .showImageOnFail(R.drawable.screenshot_placeholder)
+                    .showImageOnFail(screenShotPlaceholder)
-                    .showImageOnLoading(R.drawable.screenshot_placeholder)
+                    .showImageOnLoading(screenShotPlaceholder)
-                    .showImageForEmptyUri(R.drawable.screenshot_placeholder)
+                    .showImageForEmptyUri(screenShotPlaceholder)
                     .build();
 
             View rootView = inflater.inflate(R.layout.activity_screenshots_page, container, false);

app/src/main/java/org/fdroid/fdroid/views/ScreenShotsRecyclerViewAdapter.java

@@ -1,6 +1,7 @@
 package org.fdroid.fdroid.views;
 
 import android.content.Context;
+import android.graphics.drawable.Drawable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -14,6 +15,7 @@ import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.App;
 
 import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
 /**
@@ -29,10 +31,12 @@ class ScreenShotsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.V
         this.listener = listener;
 
         screenshots = app.getAllScreenshots(context);
+
+        Drawable screenShotPlaceholder = ContextCompat.getDrawable(context, R.drawable.screenshot_placeholder);
         displayImageOptions = Utils.getDefaultDisplayImageOptionsBuilder()
-                .showImageOnFail(R.drawable.screenshot_placeholder)
+                .showImageOnFail(screenShotPlaceholder)
-                .showImageOnLoading(R.drawable.screenshot_placeholder)
+                .showImageOnLoading(screenShotPlaceholder)
-                .showImageForEmptyUri(R.drawable.screenshot_placeholder)
+                .showImageForEmptyUri(screenShotPlaceholder)
                 .build();
     }
 

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

@@ -1,33 +1,9 @@
-<vector android:height="169dp"
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:viewportHeight="169.33333"
+    android:width="80dp"
-    android:viewportWidth="95.25"
+    android:height="140dp"
-    android:width="92dp"
+    android:viewportWidth="80"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    android:viewportHeight="140">
     <path
-        android:fillAlpha="1"
+        android:pathData="M47,63L47,77L33,77L33,63h14m0,-2L33,61c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L49,63c0,-1.1 -0.9,-2 -2,-2zM42.14,69.86 L39.14,73.73L37,71.14 34,75h12z"
-        android:fillColor="#e8e8e8"
+        android:fillColor="?attr/screenshotPlaceholderIconColor"/>
-        android:pathData="M1.75,0L93.5,0A1.75,1.75 0,0 1,95.25 1.75L95.25,167.59A1.75,1.75 0,0 1,93.5 169.33L1.75,169.33A1.75,1.75 0,0 1,0 167.59L0,1.75A1.75,1.75 0,0 1,1.75 0z"
-        android:strokeAlpha="1"
-        android:strokeColor="#00000000"
-        android:strokeLineCap="round"
-        android:strokeLineJoin="round"
-        android:strokeWidth="0.52916664" />
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#ffffff"
-        android:pathData="M40.77,53.63L54.38,53.63A1.75,1.75 0,0 1,56.13 55.37L56.13,68.98A1.75,1.75 0,0 1,54.38 70.73L40.77,70.73A1.75,1.75 0,0 1,39.03 68.98L39.03,55.37A1.75,1.75 0,0 1,40.77 53.63z"
-        android:strokeAlpha="1"
-        android:strokeColor="#00000000"
-        android:strokeLineCap="round"
-        android:strokeLineJoin="round"
-        android:strokeWidth="0.52916664" />
-    <path
-        android:fillAlpha="1"
-        android:fillColor="#e8e8e8"
-        android:pathData="m41.01,67.8 l3.21,-4.2 2.46,2.79 3.26,-4.16 4.16,5.58z"
-        android:strokeAlpha="1"
-        android:strokeColor="#00000000"
-        android:strokeLineCap="butt"
-        android:strokeLineJoin="miter"
-        android:strokeWidth="0.26458332" />
 </vector>

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

@@ -1,11 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/screenshot"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:contentDescription="@null"
+    android:fitsSystemWindows="true">
-    android:padding="@dimen/layout_horizontal_margin"
+
-    tools:src="@drawable/screenshot_placeholder"
+    <ImageView
-    android:fitsSystemWindows="true"/>
+        android:id="@+id/screenshot"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        android:layout_margin="@dimen/layout_horizontal_margin"
+        android:adjustViewBounds="true"
+        android:background="?attr/colorSurface"
+        android:contentDescription="@null"
+        android:elevation="4dp"
+        tools:src="@drawable/screenshot_placeholder" />
+
+</FrameLayout>

app/src/main/res/layout/app_details2_screenshot_item.xml

@@ -1,11 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
     android:layout_height="match_parent"
-    android:layout_margin="@dimen/details_screenshot_margin"
+    android:layout_margin="@dimen/details_screenshot_margin">
-    android:padding="12dp"
-    app:cardCornerRadius="0dp">
 
     <ImageView
         android:id="@+id/image"

app/src/main/res/values-night/themes.xml

@@ -47,6 +47,8 @@
         <item name="backButtonDrawable">@drawable/ic_back</item>
         <item name="clearButtonDrawable">@drawable/ic_close</item>
         <item name="appDetailsAntiFeatureIconColor">#ffffff</item>
+
+        <item name="screenshotPlaceholderIconColor">#424242</item>
     </style>
 
     <style name="Theme.App.Black" parent="Theme.App">

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

@@ -15,5 +15,6 @@
         <attr name="backButtonDrawable" format="reference"/>
         <attr name="clearButtonDrawable" format="reference"/>
         <attr name="appDetailsAntiFeatureIconColor" format="color"/>
+        <attr name="screenshotPlaceholderIconColor" format="color"/>
     </declare-styleable>
 </resources>

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

@@ -65,7 +65,10 @@
         <item name="lightGrayTextColor">#4a4a4a</item>
         <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
         <item name="appDetailsAntiFeatureIconColor">#000000</item>
+
         <item name="bottomNavigationStyle">@style/Widget.MaterialComponents.BottomNavigationView.PrimarySurface</item>
+
+        <item name="screenshotPlaceholderIconColor">#e8e8e8</item>
     </style>
 
     <!-- light app theme with accent colors following roughly android design guidelines -->