Add a gradle warning to the AndroidX plugins (flutter#1138)

This warning is only printed once per plugin on build failure.

flutter/flutter#27106

Author: Michael Klimushyn

packages/android_alarm_manager/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.4.1+1
+
+* Log a more detailed warning at build time about the previous AndroidX
+  migration.
+
 ## 0.4.1
 * Added support for setting alarms which persist across reboots.
   * Both `AndroidAlarmManager.oneShot` and `AndroidAlarmManager.periodic` have
@@ -23,6 +28,7 @@
     ```
 
 ## 0.4.0
+
 * **Breaking change**. Migrated the underlying AlarmService to utilize a
   BroadcastReceiver with a JobIntentService instead of a Service to handle
   processing of alarms. This requires AndroidManifest.xml to be updated to

packages/android_alarm_manager/android/build.gradle

@@ -1,3 +1,16 @@
+def PLUGIN = "android_alarm_manager";
+def ANDROIDX_WARNING = "flutterPluginsAndroidXWarning";
+gradle.buildFinished { buildResult ->
+    if (buildResult.failure && !rootProject.ext.has(ANDROIDX_WARNING)) {
+        println '         *********************************************************'
+        println 'WARNING: This version of ' + PLUGIN + ' will break your Android build if it or its dependencies aren\'t compatible with AndroidX.'
+        println '         See https://goo.gl/CP92wY for more information on the problem and how to fix it.'
+        println '         This warning prints for all Android build failures. The real root cause of the error may be unrelated.'
+        println '         *********************************************************'
+        rootProject.ext.set(ANDROIDX_WARNING, true);
+    }
+}
+
 group 'io.flutter.plugins.androidalarmmanager'
 version '1.0-SNAPSHOT'
 

packages/android_alarm_manager/pubspec.yaml

@@ -1,7 +1,7 @@
 name: android_alarm_manager
 description: Flutter plugin for accessing the Android AlarmManager service, and
   running Dart code in the background when alarms fire.
-version: 0.4.1
+version: 0.4.1+1
 author: Flutter Team <[email protected]>
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_alarm_manager
 

packages/android_intent/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.3.0+1
+
+* Log a more detailed warning at build time about the previous AndroidX
+  migration.
+
 ## 0.3.0
 
 * **Breaking change**. Migrate from the deprecated original Android Support

packages/android_intent/android/build.gradle

@@ -1,3 +1,16 @@
+def PLUGIN = "android_intent";
+def ANDROIDX_WARNING = "flutterPluginsAndroidXWarning";
+gradle.buildFinished { buildResult ->
+    if (buildResult.failure && !rootProject.ext.has(ANDROIDX_WARNING)) {
+        println '         *********************************************************'
+        println 'WARNING: This version of ' + PLUGIN + ' will break your Android build if it or its dependencies aren\'t compatible with AndroidX.'
+        println '         See https://goo.gl/CP92wY for more information on the problem and how to fix it.'
+        println '         This warning prints for all Android build failures. The real root cause of the error may be unrelated.'
+        println '         *********************************************************'
+        rootProject.ext.set(ANDROIDX_WARNING, true);
+    }
+}
+
 group 'io.flutter.plugins.androidintent'
 version '1.0-SNAPSHOT'
 

packages/android_intent/pubspec.yaml

@@ -2,7 +2,7 @@ name: android_intent
 description: Flutter plugin for launching Android Intents. Not supported on iOS.
 author: Flutter Team <[email protected]>
 homepage: https://github.com/flutter/plugins/tree/master/packages/android_intent
-version: 0.3.0
+version: 0.3.0+1
 
 flutter:
   plugin:

packages/battery/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.3.0+1
+
+* Log a more detailed warning at build time about the previous AndroidX
+  migration.
+
 ## 0.3.0
 
 * **Breaking change**. Migrate from the deprecated original Android Support

packages/battery/android/build.gradle

@@ -1,3 +1,16 @@
+def PLUGIN = "battery";
+def ANDROIDX_WARNING = "flutterPluginsAndroidXWarning";
+gradle.buildFinished { buildResult ->
+    if (buildResult.failure && !rootProject.ext.has(ANDROIDX_WARNING)) {
+        println '         *********************************************************'
+        println 'WARNING: This version of ' + PLUGIN + ' will break your Android build if it or its dependencies aren\'t compatible with AndroidX.'
+        println '         See https://goo.gl/CP92wY for more information on the problem and how to fix it.'
+        println '         This warning prints for all Android build failures. The real root cause of the error may be unrelated.'
+        println '         *********************************************************'
+        rootProject.ext.set(ANDROIDX_WARNING, true);
+    }
+}
+
 group 'io.flutter.plugins.battery'
 version '1.0-SNAPSHOT'
 

packages/battery/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for accessing information about the battery state
   (full, charging, discharging) on Android and iOS.
 author: Flutter Team <[email protected]>
 homepage: https://github.com/flutter/plugins/tree/master/packages/battery
-version: 0.3.0
+version: 0.3.0+1
 
 flutter:
   plugin:

packages/camera/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.3.0+3
+
+* Log a more detailed warning at build time about the previous AndroidX
+  migration.
+
 ## 0.3.0+2
 
 * Fix issue with calculating iOS image orientation in certain edge cases.