Set collapsing toolbar scrims programmatically

app/src/main/java/com/todoroo/astrid/activity/MainActivity.java

@@ -294,7 +294,7 @@ public class MainActivity extends InjectingAppCompatActivity
 
   private void applyTheme() {
     ThemeColor filterColor = getFilterColor();
-    filterColor.applyToStatusBar(binding.drawerLayout);
+    filterColor.setStatusBarColor(binding.drawerLayout);
     filterColor.applyToNavigationBar(this);
     filterColor.applyTaskDescription(
         this, filter == null ? getString(R.string.app_name) : filter.listingTitle);

app/src/main/java/org/tasks/location/LocationPickerActivity.java

@@ -33,6 +33,7 @@ import butterknife.ButterKnife;
 import butterknife.OnClick;
 import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.appbar.AppBarLayout.Behavior;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.common.base.Strings;
 import com.mapbox.android.core.location.LocationEngineCallback;
 import com.mapbox.android.core.location.LocationEngineProvider;
@@ -87,6 +88,9 @@ public class LocationPickerActivity extends InjectingAppCompatActivity
   @BindView(R.id.app_bar_layout)
   AppBarLayout appBarLayout;
 
+  @BindView(R.id.collapsing_toolbar_layout)
+  CollapsingToolbarLayout toolbarLayout;
+
   @BindView(R.id.coordinator)
   CoordinatorLayout coordinatorLayout;
 
@@ -166,6 +170,7 @@ public class LocationPickerActivity extends InjectingAppCompatActivity
     ThemeColor themeColor = theme.getThemeColor();
     themeColor.applyToStatusBarIcons(this);
     themeColor.applyToNavigationBar(this);
+    themeColor.setStatusBarColor(toolbarLayout);
 
     boolean dark = theme.getThemeBase().isDarkTheme(this);
     map.init(getSupportFragmentManager(), this, dark);

app/src/main/java/org/tasks/themes/ThemeColor.java

@@ -16,6 +16,7 @@ import androidx.annotation.RequiresApi;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.graphics.ColorUtils;
 import androidx.drawerlayout.widget.DrawerLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
 import org.tasks.R;
 import org.tasks.dialogs.ColorPickerDialog;
 import org.tasks.ui.MenuColorizer;
@@ -154,13 +155,13 @@ public class ThemeColor implements ColorPickerDialog.Pickable {
 
   public void setStatusBarColor(Activity activity) {
     if (atLeastLollipop()) {
-      activity.getWindow().setStatusBarColor(getColorPrimaryVariant());
+      activity.getWindow().setStatusBarColor(colorPrimaryVariant);
     }
   }
 
-  public void applyToStatusBar(DrawerLayout drawerLayout) {
+  public void setStatusBarColor(DrawerLayout drawerLayout) {
     if (atLeastLollipop()) {
-      drawerLayout.setStatusBarBackgroundColor(getColorPrimaryVariant());
+      drawerLayout.setStatusBarBackgroundColor(colorPrimaryVariant);
     }
     if (atLeastMarshmallow()) {
       int systemUiVisibility = applyLightStatusBarFlag(drawerLayout.getSystemUiVisibility());
@@ -168,6 +169,11 @@ public class ThemeColor implements ColorPickerDialog.Pickable {
     }
   }
 
+  public void setStatusBarColor(CollapsingToolbarLayout layout) {
+    layout.setContentScrimColor(colorPrimary);
+    layout.setStatusBarScrimColor(colorPrimaryVariant);
+  }
+
   public void applyToStatusBarIcons(Activity activity) {
     if (atLeastMarshmallow()) {
       View decorView = activity.getWindow().getDecorView();
@@ -249,10 +255,6 @@ public class ThemeColor implements ColorPickerDialog.Pickable {
     return actionBarTint;
   }
 
-  private int getColorPrimaryVariant() {
-    return colorPrimaryVariant;
-  }
-
   public void apply(Toolbar toolbar) {
     toolbar.setBackgroundColor(getPrimaryColor());
     MenuColorizer.colorToolbar(toolbar, actionBarTint);

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

@@ -15,12 +15,11 @@
     android:theme="?attr/overlay_theme">
 
     <com.google.android.material.appbar.CollapsingToolbarLayout
+      android:id="@+id/collapsing_toolbar_layout"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:fitsSystemWindows="true"
-      app:contentScrim="?attr/colorPrimary"
       app:layout_scrollFlags="scroll|exitUntilCollapsed|snap"
-      app:statusBarScrim="?attr/colorPrimaryVariant"
       app:titleEnabled="false">
 
       <androidx.constraintlayout.widget.ConstraintLayout