Readme of kotlin

Remove unneccesary code

Author: simonebortolin

README.md

@@ -34,16 +34,29 @@ Single item per line
 ```java
 recyclerView.setLayoutManager(new FlowLayoutManager().singleItemPerLine());
 ```
+
+```kotlin
+recyclerView.setLayoutManager(FlowLayoutManager().singleItemPerLine())
+```
+
 or x items per line
 ```java
 recyclerView.setLayoutManager(new FlowLayoutManager().maxItemsPerLine(x));
 ```
 
+```kotlin
+recyclerView.setLayoutManager(FlowLayoutManager().maxItemsPerLine(x))
+```
+
 to remove Item per line limitation
 ```java
 ((FlowLayoutManager)recyclerView.getLayoutManager()).removeItemPerLineLimit();
 ```
 
+```kotlin
+(recyclerView.getLayoutManager() as FlowLayoutManager).removeItemPerLineLimit()
+```
+
 Auto measurement
 ---
 ```java
@@ -52,11 +65,20 @@ flowLayoutManager.setAutoMeasureEnabled(true);
 recyclerView.setLayoutManager(flowLayoutManager);
 ```
 
+```kotlin
+flowLayoutManager = FlowLayoutManager()
+flowLayoutManager.setAutoMeasureEnabled(true)
+recyclerView.setLayoutManager(flowLayoutManager)
+```
+
 Alignment
 ---
 ```java
 recyclerView.setLayoutManager(new FlowLayoutManager().setAlignment(Alignment.LEFT));
 ```
+```kotlin
+recyclerView.setLayoutManager(FlowLayoutManager().setAlignment(Alignment.LEFT))
+```
 Alignment could be LEFT, CENTER or RIGHT.
 
 ## Credits

app/src/main/java/com/xiaofeng/androidlibs/DemoUtil.java

@@ -2,14 +2,11 @@
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Random;
 
 /**
  * Utility for demo item listWords
  */
 public class DemoUtil {
-	private static final Random random = new Random();
-	private static final String STRING_BASE = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
 	public static List<String> listWords() {
 		ArrayList<String> result = new ArrayList<>();

app/src/main/java/com/xiaofeng/androidlibs/MainActivity.java

@@ -35,7 +35,6 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {
 
                     recyclerView.setLayoutManager(flowLayoutManager);
                     recyclerView.getAdapter().notifyDataSetChanged();
-                    recyclerView.addItemDecoration(itemDecoration);
 
                     return true;
                 case R.id.navigation_center:
@@ -44,7 +43,6 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {
 
                     recyclerView.setLayoutManager(flowLayoutManager);
                     recyclerView.getAdapter().notifyDataSetChanged();
-                    recyclerView.addItemDecoration(itemDecoration);
 
                     return true;
                 case R.id.navigation_rigth:
@@ -53,7 +51,6 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {
 
                     recyclerView.setLayoutManager(flowLayoutManager);
                     recyclerView.getAdapter().notifyDataSetChanged();
-                    recyclerView.addItemDecoration(itemDecoration);
 
                     return true;
             }