Upgrade AGP to 8.9.1 and migrate Android Namespace

Using Android Studio AGP Upgrade Assistant :
- AGP 7.1.3 -> 8.9.1
- Gradle 7.4 -> 8.11.1
- New Gradle properties `android.nonTransitiveRClass=false`,`android.nonFinalResIds=false`
- Remove namespace declaration from `android/app/src/{debug,main,profile}/AndroidManifest.xml`
- Add `.idea` and `build` to `android/.gitignore`

Author: Renarde-dev

android/.gitignore

@@ -10,3 +10,7 @@ GeneratedPluginRegistrant.java
 # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
 key.properties
 /build/.last_build_id
+
+# Remove AGP temp files
+/.idea/
+/build/

android/app/build.gradle

@@ -49,7 +49,6 @@ android {
 
     defaultConfig {
         multiDexEnabled true
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.piwigo.piwigo_ng"
         minSdkVersion 21
         targetSdkVersion 34
@@ -71,6 +70,7 @@ android {
             signingConfig signingConfigs.release
         }
     }
+    namespace 'com.remi.piwigo_ng'
 }
 
 flutter {

android/app/src/debug/AndroidManifest.xml

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.remi.piwigo_ng">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

android/app/src/main/AndroidManifest.xml

@@ -1,7 +1,6 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.remi.piwigo_ng">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="29" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32"/>
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" android:minSdkVersion="33"/>
     <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" android:minSdkVersion="33"/>

android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.remi.piwigo_ng">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

android/gradle.properties

@@ -2,3 +2,5 @@ org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
 android.jetifier.ignorelist=bcprov-jdk15on
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-all.zip

android/settings.gradle

@@ -18,7 +18,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "7.1.3" apply false
+    id "com.android.application" version '8.9.1' apply false
     id "org.jetbrains.kotlin.android" version "1.9.22" apply false
 }