[FIXED] Duplicate/similar code error below

https://codebeat.co/projects/github-com-amardeshbd-android-constraint-layout-cheatsheet-master/pull_requests/221367

```
There is similar code in two places
infomass = 150, difference = 2
app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutGuidelineBarrierActivity.kt
companion object {
    /**
     * Creates an intent with required information to start this activity.
     *
     * @param context Activity context.
     */
    fun createStartIntent(context: Context): Intent {
        val intent = Intent(context, LayoutGuidelineBarrierActivity::class.java)
        intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, R.layout.preview_virtual_helper_barrier)
        return intent
    }
}
app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutChainStyleActivity.kt
companion object {
    /**
     * Creates an intent with required information to start this activity.
     *
     * @param context Activity context.
     */
    fun createStartIntent(context: Context): Intent {
        val intent = Intent(context, LayoutChainStyleActivity::class.java)
        intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, R.layout.preview_chain_style_main)
        return intent
    }
}
```

Author: hossain-khan

app/src/main/java/com/hossainkhan/android/demo/browse/LayoutBrowseActivity.kt

@@ -80,13 +80,16 @@ class LayoutBrowseActivity : AppCompatActivity() {
 
         when (layoutResId) {
             R.layout.preview_visibility_gone -> {
-                startActivity(LayoutVisibilityGoneActivity.createStartIntent(this))
+                startActivity(LayoutPreviewBaseActivity.createStartIntent(this,
+                        LayoutVisibilityGoneActivity::class.java, R.layout.preview_visibility_gone))
             }
             R.layout.preview_chain_style_main -> {
-                startActivity(LayoutChainStyleActivity.createStartIntent(this))
+                startActivity(LayoutPreviewBaseActivity.createStartIntent(this,
+                        LayoutChainStyleActivity::class.java, R.layout.preview_chain_style_main))
             }
             R.layout.preview_virtual_helper_barrier -> {
-                startActivity(LayoutGuidelineBarrierActivity.createStartIntent(this))
+                startActivity(LayoutPreviewBaseActivity.createStartIntent(this,
+                        LayoutGuidelineBarrierActivity::class.java, R.layout.preview_virtual_helper_barrier))
             }
             else -> {
                 startActivity(LayoutPreviewBaseActivity.createStartIntent(this, layoutResId))

app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutChainStyleActivity.kt

@@ -16,20 +16,16 @@
 
 package com.hossainkhan.android.demo.layoutpreview
 
-import android.content.Context
-import android.content.Intent
 import android.os.Bundle
+import android.view.View
+import android.widget.RadioButton
+import android.widget.TextView
 import androidx.annotation.StringRes
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.constraintlayout.widget.ConstraintSet
-import androidx.constraintlayout.widget.ConstraintSet.CHAIN_PACKED
-import androidx.constraintlayout.widget.ConstraintSet.CHAIN_SPREAD
-import androidx.constraintlayout.widget.ConstraintSet.CHAIN_SPREAD_INSIDE
+import androidx.constraintlayout.widget.ConstraintSet.*
 import androidx.transition.TransitionManager
-import android.view.View
 import com.hossainkhan.android.demo.R
-import android.widget.RadioButton
-import android.widget.TextView
 import timber.log.Timber
 
 /**
@@ -39,19 +35,6 @@ import timber.log.Timber
  */
 class LayoutChainStyleActivity : LayoutPreviewBaseActivity() {
 
-    companion object {
-        /**
-         * Creates an intent with required information to start this activity.
-         *
-         * @param context Activity context.
-         */
-        fun createStartIntent(context: Context): Intent {
-            val intent = Intent(context, LayoutChainStyleActivity::class.java)
-            intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, R.layout.preview_chain_style_main)
-            return intent
-        }
-    }
-
     private lateinit var constraintLayout: ConstraintLayout
     private lateinit var guideTextView: TextView
     /**

app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutGuidelineBarrierActivity.kt

@@ -16,28 +16,18 @@
 
 package com.hossainkhan.android.demo.layoutpreview
 
-import android.content.Context
-import android.content.Intent
 import android.os.Bundle
 import android.widget.Button
 import android.widget.TextView
 import com.hossainkhan.android.demo.R
 
+/**
+ * Activity showcasing how virtual guideline barrier changes when a view length changes within the barrier.
+ *
+ * See https://developer.android.com/reference/android/support/constraint/Barrier
+ */
 class LayoutGuidelineBarrierActivity : LayoutPreviewBaseActivity() {
 
-    companion object {
-        /**
-         * Creates an intent with required information to start this activity.
-         *
-         * @param context Activity context.
-         */
-        fun createStartIntent(context: Context): Intent {
-            val intent = Intent(context, LayoutGuidelineBarrierActivity::class.java)
-            intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, R.layout.preview_virtual_helper_barrier)
-            return intent
-        }
-    }
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 

app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutPreviewBaseActivity.kt

@@ -61,6 +61,19 @@ open class LayoutPreviewBaseActivity : AppCompatActivity() {
             intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, layoutResourceId)
             return intent
         }
+
+        /**
+         * Creates an intent with required information to start child activity with specific interactive demo.
+         *
+         * @param context Activity context.
+         * @param clazz Activity class that has interactive demo.
+         * @param layoutResourceId The layout resource ID to load into the view.
+         */
+        fun <T> createStartIntent(context: Context, clazz: Class<T>, @LayoutRes layoutResourceId: Int): Intent {
+            val intent = Intent(context, clazz)
+            intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, layoutResourceId)
+            return intent
+        }
     }
 
     @Inject

app/src/main/java/com/hossainkhan/android/demo/layoutpreview/LayoutVisibilityGoneActivity.kt

@@ -16,28 +16,17 @@
 
 package com.hossainkhan.android.demo.layoutpreview
 
-import android.content.Context
-import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.widget.Button
 import com.hossainkhan.android.demo.R
 
+/**
+ * Activity showcasing how visibility GONE affects constraints.
+ *
+ * See https://developer.android.com/reference/android/support/constraint/ConstraintLayout#VisibilityBehavior
+ */
 class LayoutVisibilityGoneActivity : LayoutPreviewBaseActivity() {
-
-    companion object {
-        /**
-         * Creates an intent with required information to start this activity.
-         *
-         * @param context Activity context.
-         */
-        fun createStartIntent(context: Context): Intent {
-            val intent = Intent(context, LayoutVisibilityGoneActivity::class.java)
-            intent.putExtra(BUNDLE_KEY_LAYOUT_RESID, R.layout.preview_visibility_gone)
-            return intent
-        }
-    }
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)