[TopAppBar] Added liftOnScroll and lifted toggles to the catalog.

PiperOrigin-RevId: 561137677
material-components · Aug 30, 2023 · 4e995d1 · 4e995d1
1 parent 480bbc6
commit 4e995d1
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Showing 3 changed files with 35 additions and 0 deletions.
diff --git a/catalog/java/io/material/catalog/topappbar/TopAppBarMainDemoFragment.java b/catalog/java/io/material/catalog/topappbar/TopAppBarMainDemoFragment.java
@@ -28,6 +28,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import androidx.annotation.Nullable;
+import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.badge.BadgeDrawable;
 import com.google.android.material.badge.BadgeUtils;
 import com.google.android.material.button.MaterialButton;
@@ -38,9 +39,12 @@
 /** A fragment that displays the main Top App Bar demo for the Catalog app. */
 public class TopAppBarMainDemoFragment extends DemoFragment {
 
+  private AppBarLayout appBarLayout;
   private Toolbar toolbar;
   private BadgeDrawable badgeDrawable;
   private MaterialSwitch editMenuToggle;
+  private MaterialSwitch liftOnScrollToggle;
+  private MaterialSwitch liftToggle;
   private MaterialButton incrementBadgeNumber;
 
   @Override
@@ -54,6 +58,7 @@ public View onCreateDemoView(
       LayoutInflater layoutInflater, @Nullable ViewGroup viewGroup, @Nullable Bundle bundle) {
     View view = layoutInflater.inflate(R.layout.cat_topappbar_fragment, viewGroup, false);
 
+    appBarLayout = view.findViewById(R.id.appbarlayout);
     toolbar = view.findViewById(R.id.toolbar);
     AppCompatActivity activity = (AppCompatActivity) getActivity();
     activity.setSupportActionBar(toolbar);
@@ -66,6 +71,20 @@ public View onCreateDemoView(
           BadgeUtils.attachBadgeDrawable(badgeDrawable, toolbar, R.id.cat_topappbar_item_favorite);
         });
 
+    liftOnScrollToggle = view.findViewById(R.id.cat_topappbar_switch_lift_on_scroll);
+    liftOnScrollToggle.setOnCheckedChangeListener(
+        (buttonView, isChecked) -> {
+          appBarLayout.setLiftOnScroll(isChecked);
+          liftToggle.setEnabled(!isChecked);
+          if (!isChecked) {
+            appBarLayout.setLifted(liftToggle.isChecked());
+          }
+        });
+
+    liftToggle = view.findViewById(R.id.cat_topappbar_switch_lifted);
+    liftToggle.setOnCheckedChangeListener(
+        (buttonView, isChecked) -> appBarLayout.setLifted(isChecked));
+
     incrementBadgeNumber = view.findViewById(R.id.cat_topappbar_button_increment_badge);
     incrementBadgeNumber.setOnClickListener(
         v -> {

diff --git a/catalog/java/io/material/catalog/topappbar/res/layout/cat_topappbar_fragment.xml b/catalog/java/io/material/catalog/topappbar/res/layout/cat_topappbar_fragment.xml
@@ -52,6 +52,20 @@
         android:layout_gravity="center_horizontal"
         android:text="@string/cat_topappbar_edit_menu_toggle"
         android:checked="true"/>
+      <com.google.android.material.materialswitch.MaterialSwitch
+        android:id="@+id/cat_topappbar_switch_lift_on_scroll"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="@string/cat_topappbar_lift_on_scroll_toggle"
+        android:checked="true"/>
+      <com.google.android.material.materialswitch.MaterialSwitch
+        android:id="@+id/cat_topappbar_switch_lifted"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="@string/cat_topappbar_lifted"
+        android:enabled="false"/>
       <Button
         android:id="@+id/cat_topappbar_button_increment_badge"
         android:layout_width="wrap_content"

diff --git a/catalog/java/io/material/catalog/topappbar/res/values/strings.xml b/catalog/java/io/material/catalog/topappbar/res/values/strings.xml
@@ -97,6 +97,8 @@
   <string name="cat_topappbar_increment_badge_number" description="The title of a button to increment the notification number. [CHAR_LIMIT=20]">+Badge number</string>
     <!-- Badge increment button label -->
   <string name="cat_topappbar_edit_menu_toggle" description="The title of a switch to toggle between showing and hiding an edit menu. [CHAR_LIMIT=NONE]">Show edit menu</string>
+  <string name="cat_topappbar_lift_on_scroll_toggle" description="The title of a switch to toggle between enabling and disabling lift on scroll. [CHAR_LIMIT=NONE]">Enable lift on scroll</string>
+  <string name="cat_topappbar_lifted" description="The title of a switch to toggle between lifting and not lifting the app bar. [CHAR_LIMIT=NONE]">Lift the app bar</string>
 
   <string name="cat_topappbar_compress_effect_demo_title">Compress Effect Demo</string>
   <string name="cat_topappbar_compress_toolbar_title">Compress Title</string>