Added code syntax highlighting in README.md

README.md

@@ -24,50 +24,48 @@ Possible usages are:
 
 ### Setup
 In your project's build.gradle file:
-
-    allprojects {
-        repositories {
-            ...
-            maven { url "https://jitpack.io" }
-            ...
-        }
-    }
-
-In your Application's or Module's build.gradle file:
-
-    dependencies {
+```gradle
+allprojects {
+    repositories {
         ...
-        compile 'com.github.BeppiMenozzi:Knob:1.9.0'
+        maven { url "https://jitpack.io" }
         ...
     }
-
-### Minimal usage
-Layout:
-
+}
+```
+In your Application's or Module's build.gradle file:
+```gradle
+dependencies {
     ...
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+    compile 'com.github.BeppiMenozzi:Knob:1.9.0'
     ...
-    <it.beppi.knoblibrary.Knob
-            android:layout_width="64dp"
-            android:layout_height="64dp"
-            android:id="@+id/knob"
-            app:kNumberOfStates="6"
-     />
-
+}
+```
+### Minimal usage
+Layout:
+```xml
+...
+xmlns:app="http://schemas.android.com/apk/res-auto"
+...
+<it.beppi.knoblibrary.Knob
+    android:layout_width="64dp"
+    android:layout_height="64dp"
+    android:id="@+id/knob"
+    app:kNumberOfStates="6" />
+```
 Listener:
-
-    ...
-    Knob knob = (Knob) findViewById(R.id.knob);
-    knob.setState(firstState);
-    knob.setOnStateChanged(new Knob.OnStateChanged() {
-            @Override
-            public void onState(int state) {
-            // do something
-            }
-        });
-
-    ...
-
+```java
+// ...
+Knob knob = (Knob) findViewById(R.id.knob);
+knob.setState(firstState);
+knob.setOnStateChanged(new Knob.OnStateChanged() {
+    @Override
+    public void onState(int state) {
+        // do something
+    }
+});
+// ...
+```
 <br>
 As default, nearly all features are disabled and the default knob is minimal:<br>
 <img src="gifs/ezgif.com-b175d4980a.gif"><br>