upgraded Flutter to stable v3.16.1

.flutter

@@ -1 +1 @@
-Subproject commit d211f42860350d914a5ad8102f9ec32764dc6d06
+Subproject commit 7f20e5d18ce4cb80c621533090a7c5113f5bdc52

CHANGELOG.md

@@ -12,7 +12,7 @@ All notable changes to this project will be documented in this file.
 
 - long press actions trigger haptic feedback according to OS settings
 - target Android 14 (API 34)
-- upgraded Flutter to stable v3.13.9
+- upgraded Flutter to stable v3.16.1
 
 ### Fixed
 

android/app/build.gradle

@@ -68,6 +68,11 @@ android {
         // if there are some libs in `lib/armeabi-v7a` unmatched by libs in `lib/arm64-v8a`,
         // so we exclude the extra `neon` libs bundled by `FFmpegKit`.
         exclude 'lib/armeabi-v7a/*_neon.so'
+
+        // necessary since Flutter v3.16.0
+        pickFirst 'lib/armeabi-v7a/libc++_shared.so'
+        pickFirst 'lib/arm64-v8a/libc++_shared.so'
+        pickFirst 'lib/x86_64/libc++_shared.so'
     }
 
     sourceSets {
@@ -240,7 +245,7 @@ dependencies {
     // huawei flavor only
     huaweiImplementation "com.huawei.agconnect:agconnect-core:$huawei_agconnect_version"
 
-    testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.0'
+    testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.1'
 
     kapt 'androidx.annotation:annotation:1.7.0'
     ksp "com.github.bumptech.glide:ksp:$glide_version"

android/app/src/main/AndroidManifest.xml

@@ -101,18 +101,24 @@
         </intent>
     </queries>
 
+    <!--
+    as of Flutter v3.16.0, predictive back gesture does not work
+    as expected when extending `FlutterFragmentActivity`
+    so we disable `enableOnBackInvokedCallback`
+    -->
     <application
         android:allowBackup="true"
         android:appCategory="image"
         android:banner="@drawable/banner"
         android:dataExtractionRules="@xml/data_extraction_rules"
+        android:enableOnBackInvokedCallback="false"
         android:fullBackupContent="@xml/full_backup_content"
         android:fullBackupOnly="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
-        tools:targetApi="s">
+        tools:targetApi="tiramisu">
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
@@ -309,8 +315,8 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
-        <!-- as of Flutter v3.10.1 (stable) / v3.12.0-15.0.pre.105 (master),
-        Impeller badly renders text, fails to render videos, and crashes with Google Maps -->
+        <!-- as of Flutter v3.16.0 (stable),
+        Impeller fails to render videos & platform views, has poor performance -->
         <meta-data
             android:name="io.flutter.embedding.android.EnableImpeller"
             android:value="false" />

android/build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
-        kotlin_version = '1.8.21'
-        ksp_version = "$kotlin_version-1.0.11"
+        kotlin_version = '1.9.20'
+        ksp_version = "$kotlin_version-1.0.14"
         agp_version = '8.1.2'
         glide_version = '4.16.0'
         // AppGallery Connect plugin versions: https://developer.huawei.com/consumer/en/doc/development/AppGallery-connect-Guides/agc-sdk-changenotes-0000001058732550