#630 Search - Animate card elevation on search en/disabling

Signed-off-by: Stefan Niedermann <info@niedermann.it>

4 files changed, 25 insertions, 1 deletions

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/MainActivity.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/MainActivity.java
index 9f18c791d..6837888da 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/ui/MainActivity.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/MainActivity.java
@@ -1,5 +1,6 @@
 package it.niedermann.nextcloud.deck.ui;
 
+import android.animation.AnimatorInflater;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
@@ -952,6 +953,7 @@ public class MainActivity extends BrandedActivity implements DeleteStackListener
         binding.filterText.requestFocus();
         final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
         imm.showSoftInput(binding.filterText, InputMethodManager.SHOW_IMPLICIT);
+        binding.toolbarCard.setStateListAnimator(AnimatorInflater.loadStateListAnimator(this, R.animator.appbar_elevation_on));
     }
 
     private void hideFilterTextToolbar() {
@@ -961,6 +963,7 @@ public class MainActivity extends BrandedActivity implements DeleteStackListener
         binding.searchToolbar.setVisibility(View.GONE);
         binding.enableSearch.setVisibility(View.VISIBLE);
         binding.toolbar.setVisibility(View.VISIBLE);
+        binding.toolbarCard.setStateListAnimator(AnimatorInflater.loadStateListAnimator(this, R.animator.appbar_elevation_off));
     }
 
     private void registerAutoSyncOnNetworkAvailable() {
diff --git a/app/src/main/res/animator/appbar_elevation_off.xml b/app/src/main/res/animator/appbar_elevation_off.xml
new file mode 100644
index 000000000..d24dcb340
--- /dev/null
+++ b/app/src/main/res/animator/appbar_elevation_off.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <objectAnimator
+            android:propertyName="elevation"
+            android:valueTo="0dp"
+            android:valueType="floatType" />
+    </item>
+</selector>
diff --git a/app/src/main/res/animator/appbar_elevation_on.xml b/app/src/main/res/animator/appbar_elevation_on.xml
new file mode 100644
index 000000000..6bd52cf3b
--- /dev/null
+++ b/app/src/main/res/animator/appbar_elevation_on.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="PrivateResource">
+    <item>
+        <objectAnimator
+            android:propertyName="elevation"
+            android:valueTo="@dimen/design_appbar_elevation"
+            android:valueType="floatType" />
+    </item>
+</selector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4bccf9adf..ffe749c15 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -103,14 +103,15 @@
             android:layout_height="wrap_content">
 
             <com.google.android.material.card.MaterialCardView
+                android:id="@+id/toolbarCard"
                 android:layout_width="match_parent"
                 android:layout_height="?attr/actionBarSize"
                 android:layout_marginStart="@dimen/spacer_2x"
                 android:layout_marginTop="@dimen/spacer_1x"
                 android:layout_marginEnd="@dimen/spacer_2x"
                 android:layout_marginBottom="@dimen/spacer_1hx"
-                android:elevation="2dp"
                 app:cardCornerRadius="@dimen/spacer_1x"
+                app:cardElevation="0dp"
                 app:strokeWidth="0dp">