Изменил название пакета, начал работу по регистрации магазина

android/app/build.gradle

@@ -15,18 +15,17 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.3'
+    compileSdkVersion 21
+    buildToolsVersion '21.0.0'
 
     lintOptions {
         disable 'InvalidPackage'
     }
 
     defaultConfig {
+        targetSdkVersion 21
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.yourcompany.checker"
+        applicationId "com.dinnect.checker"
     }
 
     buildTypes {
@@ -48,7 +47,7 @@ flutter {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestCompile 'com.android.support:support-annotations:25.4.0'
+    androidTestCompile 'com.android.support:support-annotations:21.0.0'
     androidTestCompile 'com.android.support.test:runner:0.5'
     androidTestCompile 'com.android.support.test:rules:0.5'
 }

android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.yourcompany.checker"
+    package="com.dinnect.checker"
     android:versionCode="1"
     android:versionName="0.0.1">
 

android/app/src/main/java/com/yourcompany/checker/activity/CameraActivity.java

@@ -1,4 +1,4 @@
-package com.yourcompany.checker;
+package com.dinnect.checker;
 
 import android.app.Activity;
 import android.content.pm.ActivityInfo;
@@ -29,8 +29,8 @@ import net.sourceforge.zbar.Symbol;
 import net.sourceforge.zbar.SymbolSet;
 import net.sourceforge.zbar.Config;
 
-import com.yourcompany.checker.R;
-import com.yourcompany.checker.view.CameraPreview;
+import com.dinnect.checker.R;
+import com.dinnect.checker.view.CameraPreview;
 
 public class CameraActivity extends Activity {
 

android/app/src/main/java/com/yourcompany/checker/activity/MainActivity.java

@@ -1,9 +1,9 @@
-package com.yourcompany.checker;
+package com.dinnect.checker;
 
 import android.os.Bundle;
 import android.content.Intent;
 import android.util.Log;
-import com.yourcompany.checker.CameraActivity;
+import com.dinnect.checker.CameraActivity;
 
 import io.flutter.app.FlutterActivity;
 import io.flutter.plugins.GeneratedPluginRegistrant;
@@ -15,7 +15,7 @@ import io.flutter.plugin.common.MethodChannel.Result;
 
 public class MainActivity extends FlutterActivity {
 
-    private static final String CHANNEL = "com.yourcompany.checker/scanner";
+    private static final String CHANNEL = "com.dinnect.checker/scanner";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {

android/app/src/main/java/com/yourcompany/checker/view/CameraPreview.java

@@ -1,4 +1,4 @@
-package com.yourcompany.checker.view;
+package com.dinnect.checker.view;
 
 import java.io.IOException;