update the app

.gitignore

@@ -128,8 +128,9 @@ fabric.properties
 /.idea/libraries
 .DS_Store
 /build
-/captures
+/captures$$$
 GeneratedPluginRegistrant.java
 local.properties
 *.jks
 android/key.properties
+.flutter-plugins-dependencies

android/app/build.gradle

@@ -18,16 +18,16 @@ def keystorePropertiesFile = rootProject.file("key.properties")
 def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
     }
 
     defaultConfig {
         applicationId "team.whatever.sms_forwarder_app"
-        minSdkVersion 16
-        targetSdkVersion 27
+        minSdkVersion 21
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

android/app/src/main/AndroidManifest.xml

@@ -15,9 +15,11 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name="io.flutter.app.FlutterApplication"
         android:label="SMS forwarder"
         android:icon="@mipmap/ic_launcher">
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"

android/app/src/main/java/team/whatever/sms_forwarder_app/MainActivity.java

@@ -1,14 +1,6 @@
 package team.whatever.sms_forwarder_app;
 
-import android.os.Bundle;
-
-import io.flutter.app.FlutterActivity;
-import io.flutter.plugins.GeneratedPluginRegistrant;
+import io.flutter.embedding.android.FlutterActivity;
 
 public class MainActivity extends FlutterActivity {
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
-  }
 }

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:4.1.1'
     }
 }
 

android/gradle.properties

@@ -1,2 +1,3 @@
 org.gradle.jvmargs=-Xmx1536M
 android.enableR8=true
+android.useAndroidX=true

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-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-all.zip

android/settings_aar.gradle

@@ -0,0 +1 @@
+include ':app'

lib/forwarding.dart

@@ -3,12 +3,12 @@ import 'dart:core';
 import 'dart:convert';
 
 import 'package:http/http.dart' as http;
-import 'package:sms/sms.dart';
+import 'package:sms_maintained/sms.dart';
 import 'package:flutter/foundation.dart';
 
-/// Defines forwarder interface.
+/// Defines the forwarder interface.
 abstract class AbstractForwarder {
-  /// Forwards sms to a user
+  /// Forwards an sms to a user
   Future<bool> forward(SmsMessage sms);
 
   /// Unnamed constructor