diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 2f45dc9..a0566fd 100644
--- a/.idea/caches/build_file_checksums.ser
+++ b/.idea/caches/build_file_checksums.ser
Binary files differ
diff --git a/app/build.gradle b/app/build.gradle
index 02b0f1a..f3d55c6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,7 +20,6 @@
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-    buildToolsVersion '27.0.3'
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a083902..388aa06 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -32,14 +32,14 @@
         </activity>
 
 
-        <activity android:name=".cactusClient.tests.SampleActivity"
-        android:label="@string/app_name"
-        android:screenOrientation="landscape">
-        <intent-filter>
-        <action android:name="android.intent.action.MAIN" />
-        <category android:name="android.intent.category.LAUNCHER" />
-        </intent-filter>
-        </activity>
+        <!--<activity android:name=".cactusClient.tests.SampleActivity"-->
+        <!--android:label="@string/app_name"-->
+        <!--android:screenOrientation="landscape">-->
+        <!--<intent-filter>-->
+        <!--<action android:name="android.intent.action.MAIN" />-->
+        <!--<category android:name="android.intent.category.LAUNCHER" />-->
+        <!--</intent-filter>-->
+        <!--</activity>-->
 
 
     </application>
diff --git a/app/src/main/res/layout/characters_fragment.xml b/app/src/main/res/layout/characters_fragment.xml
index bfaa80a..715dd1a 100644
--- a/app/src/main/res/layout/characters_fragment.xml
+++ b/app/src/main/res/layout/characters_fragment.xml
@@ -7,27 +7,27 @@
     android:layout_height="match_parent">
 
     <Button
-        android:id="@+id/button"
+        android:id="@+id/NOBITA"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginLeft="55dp"
         android:layout_marginStart="55dp"
         android:text="Jyaian"
-        app:layout_constraintBaseline_toBaselineOf="@+id/button2"
-        app:layout_constraintStart_toEndOf="@+id/button2" />
+        app:layout_constraintBaseline_toBaselineOf="@+id/DARAEMON"
+        app:layout_constraintStart_toEndOf="@+id/DARAEMON" />
 
     <Button
-        android:id="@+id/button3"
+        android:id="@+id/JYAIAN"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginLeft="58dp"
         android:layout_marginStart="58dp"
         android:text="DORAEMON"
-        app:layout_constraintBaseline_toBaselineOf="@+id/button"
-        app:layout_constraintStart_toEndOf="@+id/button" />
+        app:layout_constraintBaseline_toBaselineOf="@+id/NOBITA"
+        app:layout_constraintStart_toEndOf="@+id/NOBITA" />
 
     <Button
-        android:id="@+id/button2"
+        android:id="@+id/DARAEMON"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginLeft="25dp"
diff --git a/app/src/main/res/layout/test_activity.xml b/app/src/main/res/layout/test_activity.xml
index 95c07ce..9bb82e1 100644
--- a/app/src/main/res/layout/test_activity.xml
+++ b/app/src/main/res/layout/test_activity.xml
@@ -6,7 +6,7 @@
     android:layout_height="match_parent">
 
     <Button
-        android:id="@+id/button"
+        android:id="@+id/NOBITA"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Button"