[Fix] App hanging after qr_code_scanner unmounted with iOS26+. And Android gradle config upgrade.

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.1.0
+
+* Android kotlin_version and minSdkVersion upgrade.
+* [Fix] iOS26+, App hanging after qr_code_scnaner unmounted.
+
 ## 1.0.0
 Breaking changes:
 Minimum Flutter version is now Flutter 3.0.0 (Dart 2.17.0).

android/build.gradle

@@ -2,14 +2,14 @@ group 'net.touchcapture.qr.flutterqr'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.9.0'
+    ext.kotlin_version = '2.1.0'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.0'
+        classpath 'com.android.tools.build:gradle:8.5.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -32,7 +32,7 @@ android {
     }
     defaultConfig {
         // minSdkVersion is determined by Native View.
-        minSdkVersion 20
+        minSdkVersion 21
         targetSdkVersion 33
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true

android/settings.gradle

@@ -18,8 +18,8 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.3.2" apply false
-    id "org.jetbrains.kotlin.android" version "2.0.20" apply false
+    id "com.android.application" version "8.5.2" apply false
+    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
 }
 
 include ":app"

example/ios/Flutter/ephemeral/flutter_lldb_helper.py

@@ -0,0 +1,32 @@
+#
+# Generated file, do not edit.
+#
+
+import lldb
+
+def handle_new_rx_page(frame: lldb.SBFrame, bp_loc, extra_args, intern_dict):
+    """Intercept NOTIFY_DEBUGGER_ABOUT_RX_PAGES and touch the pages."""
+    base = frame.register["x0"].GetValueAsAddress()
+    page_len = frame.register["x1"].GetValueAsUnsigned()
+
+    # Note: NOTIFY_DEBUGGER_ABOUT_RX_PAGES will check contents of the
+    # first page to see if handled it correctly. This makes diagnosing
+    # misconfiguration (e.g. missing breakpoint) easier.
+    data = bytearray(page_len)
+    data[0:8] = b'IHELPED!'
+
+    error = lldb.SBError()
+    frame.GetThread().GetProcess().WriteMemory(base, data, error)
+    if not error.Success():
+        print(f'Failed to write into {base}[+{page_len}]', error)
+        return
+
+def __lldb_init_module(debugger: lldb.SBDebugger, _):
+    target = debugger.GetDummyTarget()
+    # Caveat: must use BreakpointCreateByRegEx here and not
+    # BreakpointCreateByName. For some reasons callback function does not
+    # get carried over from dummy target for the later.
+    bp = target.BreakpointCreateByRegex("^NOTIFY_DEBUGGER_ABOUT_RX_PAGES$")
+    bp.SetScriptCallbackFunction('{}.handle_new_rx_page'.format(__name__))
+    bp.SetAutoContinue(True)
+    print("-- LLDB integration loaded --")

example/ios/Flutter/ephemeral/flutter_lldbinit

@@ -0,0 +1,5 @@
+#
+# Generated file, do not edit.
+#
+
+command script import --relative-to-command-file flutter_lldb_helper.py

ios/Classes/FlutterQrPlugin.h

@@ -1,4 +1,5 @@
 #import <Flutter/Flutter.h>
+#import "MTBBarcodeScanner.h"
 
 @interface FlutterQrPlugin : NSObject<FlutterPlugin>
 @end