From d2a5145324156eb1b21da0365da626a91d85b5f1 Mon Sep 17 00:00:00 2001
From: Juan Gilsanz Polo <juangilsanz@gmail.com>
Date: Tue, 11 Jun 2024 22:30:55 +0200
Subject: [PATCH] Added support for predictive back gesture

---
 android/app/src/main/AndroidManifest.xml |  3 +-
 lib/config/theme.dart                    | 40 +++++++++++++++++-------
 2 files changed, 30 insertions(+), 13 deletions(-)

diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 03a410b..2eec292 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -4,7 +4,8 @@
     <application
         android:label="Linkdy"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:enableOnBackInvokedCallback="true">
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
diff --git a/lib/config/theme.dart b/lib/config/theme.dart
index 3f3beff..2aaa4ce 100644
--- a/lib/config/theme.dart
+++ b/lib/config/theme.dart
@@ -13,12 +13,15 @@ ThemeData lightTheme(ColorScheme? dynamicColorScheme) => ThemeData(
       brightness: Brightness.light,
       listTileTheme: ListTileThemeData(
         tileColor: Colors.transparent,
-        textColor: dynamicColorScheme != null
-            ? dynamicColorScheme.onSurfaceVariant
-            : const Color.fromRGBO(117, 117, 117, 1),
-        iconColor: dynamicColorScheme != null
-            ? dynamicColorScheme.onSurfaceVariant
-            : const Color.fromRGBO(117, 117, 117, 1),
+        textColor:
+            dynamicColorScheme != null ? dynamicColorScheme.onSurfaceVariant : const Color.fromRGBO(117, 117, 117, 1),
+        iconColor:
+            dynamicColorScheme != null ? dynamicColorScheme.onSurfaceVariant : const Color.fromRGBO(117, 117, 117, 1),
+      ),
+      pageTransitionsTheme: const PageTransitionsTheme(
+        builders: {
+          TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),
+        },
       ),
     );
 
@@ -35,12 +38,15 @@ ThemeData darkTheme(ColorScheme? dynamicColorScheme) => ThemeData(
       brightness: Brightness.dark,
       listTileTheme: ListTileThemeData(
         tileColor: Colors.transparent,
-        textColor: dynamicColorScheme != null
-            ? dynamicColorScheme.onSurfaceVariant
-            : const Color.fromRGBO(187, 187, 187, 1),
-        iconColor: dynamicColorScheme != null
-            ? dynamicColorScheme.onSurfaceVariant
-            : const Color.fromRGBO(187, 187, 187, 1),
+        textColor:
+            dynamicColorScheme != null ? dynamicColorScheme.onSurfaceVariant : const Color.fromRGBO(187, 187, 187, 1),
+        iconColor:
+            dynamicColorScheme != null ? dynamicColorScheme.onSurfaceVariant : const Color.fromRGBO(187, 187, 187, 1),
+      ),
+      pageTransitionsTheme: const PageTransitionsTheme(
+        builders: {
+          TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),
+        },
       ),
     );
 
@@ -58,6 +64,11 @@ ThemeData lightThemeOldVersions(MaterialColor primaryColor) => ThemeData(
         iconColor: Color.fromRGBO(117, 117, 117, 1),
       ),
       brightness: Brightness.light,
+      pageTransitionsTheme: const PageTransitionsTheme(
+        builders: {
+          TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),
+        },
+      ),
     );
 
 ThemeData darkThemeOldVersions(MaterialColor primaryColor) => ThemeData(
@@ -75,4 +86,9 @@ ThemeData darkThemeOldVersions(MaterialColor primaryColor) => ThemeData(
         iconColor: Color.fromRGBO(187, 187, 187, 1),
       ),
       brightness: Brightness.dark,
+      pageTransitionsTheme: const PageTransitionsTheme(
+        builders: {
+          TargetPlatform.android: PredictiveBackPageTransitionsBuilder(),
+        },
+      ),
     );