diff --git a/app/build.gradle b/app/build.gradle
index 18729ac..a1c1106 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'com.google.gms.google-services'
 
+
 android {
     compileSdkVersion 28
     defaultConfig {
@@ -30,5 +31,7 @@ dependencies {
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     implementation 'com.google.firebase:firebase-core:16.0.6'
     implementation 'com.google.firebase:firebase-database:16.0.5'
+    implementation 'com.google.dagger:dagger:2.13'
+    annotationProcessor 'com.google.dagger:dagger-compiler:2.13'
 }
 apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
diff --git a/app/src/main/java/com/ofmine/project/testapp/DI/BattleForGalaxy.java b/app/src/main/java/com/ofmine/project/testapp/DI/BattleForGalaxy.java
new file mode 100644
index 0000000..e9be794
--- /dev/null
+++ b/app/src/main/java/com/ofmine/project/testapp/DI/BattleForGalaxy.java
@@ -0,0 +1,20 @@
+package com.ofmine.project.testapp.DI;
+
+import dagger.Component;
+
+public class BattleForGalaxy {
+
+    public void mainMethod() {
+        BattleComponent component = DaggerBattleComponent.create();
+        War war = component.getWar();
+        war.prepare();
+        war.report();
+    }
+
+
+}
+
+@Component
+interface BattleComponent {
+    War getWar();
+}
diff --git a/app/src/main/java/com/ofmine/project/testapp/DI/Empire.java b/app/src/main/java/com/ofmine/project/testapp/DI/Empire.java
new file mode 100644
index 0000000..2519476
--- /dev/null
+++ b/app/src/main/java/com/ofmine/project/testapp/DI/Empire.java
@@ -0,0 +1,22 @@
+package com.ofmine.project.testapp.DI;
+
+import javax.inject.Inject;
+
+public class Empire implements Fraction {
+    @Inject //Dagger 2
+    public Empire(){
+    }
+
+    @Override
+    public void prepareForWar() {
+        // что-то происходит
+        System.out.println(this.getClass().getSimpleName()+" prepared for war");
+    }
+
+    @Override
+    public void reportForWar() {
+        // что-то происходит
+        System.out.println(this.getClass().getSimpleName()+" reporting..");
+    }
+
+}
diff --git a/app/src/main/java/com/ofmine/project/testapp/DI/Fraction.java b/app/src/main/java/com/ofmine/project/testapp/DI/Fraction.java
new file mode 100644
index 0000000..21f51e0
--- /dev/null
+++ b/app/src/main/java/com/ofmine/project/testapp/DI/Fraction.java
@@ -0,0 +1,10 @@
+package com.ofmine.project.testapp.DI;
+
+public interface Fraction {
+
+
+     void prepareForWar();
+     void reportForWar();
+
+
+}
diff --git a/app/src/main/java/com/ofmine/project/testapp/DI/Republic.java b/app/src/main/java/com/ofmine/project/testapp/DI/Republic.java
new file mode 100644
index 0000000..e021e93
--- /dev/null
+++ b/app/src/main/java/com/ofmine/project/testapp/DI/Republic.java
@@ -0,0 +1,26 @@
+package com.ofmine.project.testapp.DI;
+
+import android.widget.FrameLayout;
+
+import javax.inject.Inject;
+
+public class Republic implements Fraction {
+
+
+    @Inject //Dagger 2
+    public Republic(){
+    }
+
+    @Override
+    public void prepareForWar() {
+        // что-то происходит
+        System.out.println(this.getClass().getSimpleName()+" prepared for war");
+    }
+
+    @Override
+    public void reportForWar() {
+        // что-то происходит
+        System.out.println(this.getClass().getSimpleName()+" reporting..");
+    }
+
+}
diff --git a/app/src/main/java/com/ofmine/project/testapp/DI/War.java b/app/src/main/java/com/ofmine/project/testapp/DI/War.java
new file mode 100644
index 0000000..67ae550
--- /dev/null
+++ b/app/src/main/java/com/ofmine/project/testapp/DI/War.java
@@ -0,0 +1,26 @@
+package com.ofmine.project.testapp.DI;
+
+import javax.inject.Inject;
+
+public class War {
+
+    private Republic republic;
+    private Empire empire;
+
+    @Inject
+    public War(Republic republic, Empire empire) {
+        this.republic = republic;
+        this.empire = empire;
+    }
+
+    public void prepare() {
+        republic.prepareForWar();
+        empire.prepareForWar();
+    }
+
+    public void report() {
+        republic.reportForWar();
+        empire.reportForWar();
+    }
+
+}
diff --git a/app/src/main/java/com/ofmine/project/testapp/MainActivity.java b/app/src/main/java/com/ofmine/project/testapp/MainActivity.java
index 3849045..7824654 100644
--- a/app/src/main/java/com/ofmine/project/testapp/MainActivity.java
+++ b/app/src/main/java/com/ofmine/project/testapp/MainActivity.java
@@ -13,6 +13,7 @@
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
 import com.google.firebase.database.ValueEventListener;
+import com.ofmine.project.testapp.DI.War;
 import com.vk.sdk.VKAccessToken;
 import com.vk.sdk.VKCallback;
 import com.vk.sdk.VKScope;
@@ -65,7 +66,7 @@ public void onComplete(VKResponse response) {
                         GsonBuilder builder = new GsonBuilder();
                         Gson gson = builder.create();
                         String answer=response.responseString;
-                         userData=gson.fromJson(answer, UserData.class);
+                        userData=gson.fromJson(answer, UserData.class);
 
                         textView.setText( userData.response.get(0).getFirst_name());
                     }
@@ -100,28 +101,27 @@ public void onCancelled(DatabaseError error) {
 
             }
         });
-
     }
-        @Override
-        protected void onActivityResult ( int requestCode, int resultCode, Intent data){
-            if (!VKSdk.onActivityResult(requestCode, resultCode, data, new VKCallback<VKAccessToken>() {
-                @Override
-                public void onResult(VKAccessToken res) {
+    @Override
+    protected void onActivityResult ( int requestCode, int resultCode, Intent data){
+        if (!VKSdk.onActivityResult(requestCode, resultCode, data, new VKCallback<VKAccessToken>() {
+            @Override
+            public void onResult(VKAccessToken res) {
 
-                        textView.setText("success");
+                textView.setText("success");
 
 // Пользователь успешно авторизовался
-                }
+            }
 
-                @Override
-                public void onError(VKError error) {
-                    textView.setText("failure");
+            @Override
+            public void onError(VKError error) {
+                textView.setText("failure");
 // Произошла ошибка авторизации (например, пользователь запретил авторизацию)
-                }
-            })) {
-                super.onActivityResult(requestCode, resultCode, data);
             }
+        })) {
+            super.onActivityResult(requestCode, resultCode, data);
         }
+    }